Materials, Structures & Manufacturing


Aerospace & Mechanical Systems and Materials Manufacturing 

Investigation on the effect of Laser Shock Peening on Residual Stress, Stress Corrosion Cracking behaviour and Surface Roughness of AA2219 Friction Stir Weld, Metallurgical and Materials Transactions B, 25 February 2026 (online). 

Effect of laser shock peening on local tensile behaviour of various zones of AA2219 friction stir weld, M P Dhanasekaran, M Agilan, S K Selvan, D Swain, G S Rao, R Muthukumar, D Roy Mahapatra, Materials Today Communications, 44, March 2025, 111999. [DOI: 10.1016/j.mtcomm.2025.111999]  

Enhancing Toughness and Thermal Stability Using YSZ Nanoparticle in Glass Fabric Composites, D B Subbappa, K B Kancherla, B Raju, D Roy Mahapatra, Applied Composite Materials, 32, 909–935, 04 January 2025. [DOI: 10.1007/s10443-024-10301-5]  

Optimization of CNT-carbon fabric composites for enhanced mechanical and thermal properties, and improved fracture toughness: Finite element simulation and experimental validation, B Raju, KB Kancherla, DB Subappa, D Roy Mahapatra, Journal of Composite Materials, 59(10), 1307-1330, 2024.  

Kolappan Geetha, G., Ravi, N.B., and Roy Mahapatra, D., “Generating Reduced-Order Image Data and Detecting Defect Map on Structural Components Using Ultrasonic Guided Wave Scan,” SAE Technical Paper 2024-26-0416, 2024, doi:10.4271/2024-26-0416.  

Dakshayini, B.S., Kancherla, K.B., Raju, B., and Roy Mahapatra, D., “Assessing the Structural Feasibility and Recyclability of Flax/PLA Bio-Composites for Enhanced Sustainability,” SAE Technical Paper 2024-26-0407, 2024, doi:10.4271/2024-26-0407. Conference Track Best Paper Award.  

High emittance plasma sprayed ZrO2-Y2O3/La2Zr2O7 thermal barrier coatings for potential application in scramjets, NK Gopinath, A Dan, ST Aruna, KV Govindarajan, G Jagadeesh, D Roy Mahapatra, Applied Surface Science, 2024, 652, 159324. [DOI: 10.1016/j.apsusc.2024.159324]  

Varma, A., Ganesh, K.V., and Roy Mahapatra, D., “Multi-Scale Modeling of Selective Laser Melting Process,” SAE Technical Paper 2024-26-0415, 2024, [doi:10.4271/2024-26-0415].  

Raju, B., Kancherla, K.B., Dakshayini, B.S., and Roy Mahapatra, D., “Selective Laser Melting Based Additive Manufacturing Process Diagnostics Using In-Line Monitoring Technique and Laser-Material Interaction Model,” SAE Technical Paper 2024-26-0420, 2024, doi:10.4271/2024-26-0420.  

Kumar, R., Karan, D.S., and Roy Mahapatra, D., “A Multi-Scale Computational Scheme for Prediction of High-Cycle Fatigue Damage in Metal Alloy Components,” SAE Technical Paper 2024-26-0430, 2024, [doi:10.4271/2024-26-0430].  

Singh, S. and Roy Mahapatra, D., “Aero-Engine Fastened Structural Components: An Investigation into Impact Induced Three-Dimensional Dynamic Fracture Mechanism,” SAE Technical Paper 2024-26-0414, 2024, [doi:10.4271/2024-26-0414].  

Mukherjee, R. and Roy Mahapatra, D., “Thermal Analysis of Prismatic Core Sandwich Structural Panel for Hypersonic Application,” SAE Technical Paper 2024-26-0422, 2024, [doi:10.4271/2024-26-0422]. Conference Track Best Paper Award.  

Nagarajan Kirupakaran, G., Govindarajan, K.V., and Roy Mahapatra, D., “On the Aero-Thermo-Structural Performance of Rectangular and Axisymmetric Scramjet Configurations,” SAE Technical Paper 2024-26-0441, 2024, [doi:10.4271/2024-26-0441]. Conference Track Best Paper Award. SAE Conference overall best paper award.  

Effect of Laser Shock Peening on AA2219 Friction Stir Weld Joint: Temperature Dependent Tensile Properties, MP Dhanasekaran, M Agilan, S Avinash, G Sudarshan Rao, R Muthukumar, D Roy Mahapatra, Journal of Materials Engineering and Performance, 22 December 2023. [DOI: 10.1007/s11665-023-09034-6]  

Transient Heat Transfer in a Scramjet Forebody under Varying Hypersonic Flow, N K Gopinath, K V Govindarajan, D Roy Mahapatra, 25th AIAA International Space Planes and Hypersonic Systems and Technologies Conference, Bengaluru, 27 May 2023, vol. 3090.  

Influence of laser shock peening on Residual stress and microhardness of AA2219 friction stir weld, MP Dhanasekaran, M Agilan, S Avinash, KN Vidyananda, GS Rao, D Roy Mahapatra, Materials Letters, 2023, 356, 135586. [DOI: 10.1007/s11665-023-09034-6]  

Ultrasonic guided waves through Coalescence of matrix cracks and delaminations in laminated composites, RK Munian, D Roy Mahapatra, Journal of Composite Materials, 2023, 57 (19), 3119-3132.  

Hierarchical Neural Network and Simulation Based Structural Defect Identification and Classification, DS Singh, GBL Chowdary, D Roy Mahapatra, Structural Control and Health Monitoring 2023, 3555133.  

A Reduced-Order Modeling Framework for Simulating Signatures of Faults in a Bladed Disk, DS Singh, A Agrawal, D Roy Mahapatra, SAE International Journal of Aerospace, 2023, 16 (1), 22.  

Micro-crack bridging effects on the tensile and compressive strengths of CNT-epoxy composites, N. Gupta, S. R. Hiremath, and D. R. Mahapatra, Mechanics of Composite Materials, 58(4), 585-598, 2022.  

Fluid-Thermo-Structural Analysis of Actively Cooled Scramjet Combustor in Hypersonic Acceleration-Cruise Flight, N.K. Gopinath, K.V. Govindarajan, D. Roy Mahapatra, Int. J. Heat and Mass Transfer, 194, 123060, 2022.  

Ultrasonic horn contact-induced transient anharmonic resonance effect on vibro-thermography, GK Geetha, RK Munian, D Roy Mahapatra, CW In, DA Raulerson, Journal of Sound and Vibration, 116786, 2022.  

Stochastic modeling of the polygonal microstructures of alloys using representative microscopic images, P Kunjam, K Shashidhar, S Rakesh, D Roy Mahapatra, Materialstoday Communications, 29, 102832, 2021.  

A reduced-order modeling framework for simulating signatures of faults in a bladed disk, DS Singh, A Agrawal, D Roy Mahapatra, arXiv, 2108.06265, 2021.  

Mechanical and Acoustic Behavior of 3D Printed Hierarchical Mathematical Fractal Menger Sponge, B Kushwaha, K Dwivedi, RS Ambekar, V Pal, DP Jena, D Roy Mahapatra, CS Tiwary, Advanced Engineering Materials, 23(4), 2001471, 2021.  

Ultrahigh transverse rupture strength in tungsten-based nanocomposites with minimal lattice misfit and dual microstructure, D Chakravarty, N Laxman, R Jayasree, RB Mane, S Mathiazhagan, PVV Srinivas, R Das, M Nagini, M Eizadjou, L Venkatesh, N Ravi, DR Mahapatra, R Vijay, SP Ringer, CS Tiwary, International Journal of Refractory Metals and Hard Materials, 95, 105454, 2021.  

Micromechanical effect of pores on elastic properties of polymer matrix composites, K Chawla, B Raju, DB Subbappa, KB Kancherla, D Roy Mahapatra, Polymer Composites, 42 (3), 1497-1518, 2021.  

Transient vibro-thermography and nonlinear resonant modes, GK Geetha, D Roy Mahapatra, CW In, D Raulerson, Journal of Vibration and Acoustics, 142(6): 061007, 2020.  

Ultrasonic Guided Wave Scattering due to Delamination in Curved Composite Structures, RK Munian, D Roy Mahapatra, S Gopalakrishnan, Composite Structures 239, 111987, 2020.  

Effect of intrinsic structural defects on mechanical properties of single layer MoS2, A Mahata, JW Jiang, DR Mahapatra, T Rabczuk, Nano-Structures & Nano-Objects, 18, 100247, 2019.  

B. Raju, K.B. Kancherla, B.S. Dakshayini, N.B. Ravi, R. Patil, D. Roy Mahapatra, Additively Manufactured Sensors for SHM of Composite Structures, Structural Health Monitoring 2019, Ed. Fu-Kuo Chang, Alfredo Güemes, Fotis Kopsaftopoulos, Enabling Intelligent Life-cycle Health Management for Industry Internet of Things (IIOT), Proceedings of the Twelfth International Workshop on Structural Health Monitoring, September 10–12, 2019, 10.12783/shm2019/32359.  

Mathiazhagan S, D. Roy Mahapatra, “Influence of Orientation Relationship on the Mechanical Behaviour of Eutectic Structure of Aluminium Copper Alloys”, Proceedings of International Conference on Advanced materials and processes (ADMAT- 2019), Sep 23-25, 2019, Hyderabad, India.  

Gopinath N.K, Govindarajan K.V, Mahapatra D.R., “Thermomechanical behaviour of Multifunctional Sandwich Panel with Combined Thermal Management for Hypersonic Cruise Vehicles”, Proceedings of International Conference on Advanced materials and processes (ADMAT- 2019), Sep 23-25, 2019, Hyderabad, India.  

Mukherjee R, Mahapatra D.R., “Heat Transfer Analysis of Actively Cooled Sandwich Panel for Scramjet Application”, Proceedings of International Conference on Advanced materials and processes (ADMAT- 2019), Sep 23-25, 2019, Hyderabad, India. (Best poster award).  

Prashant Kunjam, D. Roy Mahapatra, “Stress Localization in Titanium alloy Microstructure due to Variation of Phase Orientation”, Proceedings of International Conference on Advanced materials and processes (ADMAT- 2019), Sep 23-25, 2019, Hyderabad, India.  

K Kishore Babu, Benjamin Raju, Dakshayini B S, D. Roy Mahapatra, “Thermo-mechanical Performance of Functionally Graded Composites”, Proceedings of International Conference on Advanced materials and processes (ADMAT- 2019), Sep 23-25, 2019, Hyderabad, India.  

Parinit Angadi, D. Roy Mahapatra, “Modelling Grain Boundary Effect on Dislocation Dynamics in Titanium Alloys”, Proceedings of International Conference on Advanced materials and processes (ADMAT- 2019), Sep 23-25, 2019, Hyderabad, India.  

D. Roy Mahapatra, Kishore Babu Kancherla, Dakshayini B Subbappa, Benjamin Raju, “Nano-Additives based Fabric Composite Design, Manufacturing and Performance Enhancement Strategies”, INCCOM-2019, ISAMPE, 20-21 Sep 2019, Thiruvananthapuram, India.  

Dakshayini B S, Kishore Babu K, Benjamin Raju, Rushal Patil, D Roy Mahapatra, “Functionally Graded Composites with 3D Printed Cooling Channels”, proceedings of AMRGT 2019, March 19-20, 2019, Siemens Conference Centre, Berlin, Germany.  

Enhancing mechanical properties of glass fabric composite with surfactant treated zirconia nanoparticles, K.B. Kancherla, D.B. Subbappa, S.R. Hiremath, B. Raju, D.R. Mahapatra, Composite Part A: Applied Science and Manufacturing, 118, 131-141, 2019.  

Micro-crack Pinning and Interfacial Fracture in Mixed Metal Oxide Reinforced Epoxy Nanocomposite, R Vasireddi, DR Mahapatra, Journal of Materials Engineering and Performance, 27(11), 5938–5946, 2018.  

Lamb Wave Interaction with Composite Delamination, RK Munian, DR Mahapatra, S Gopalakrishnan, Composite Structures, 206, 484-498, 2018.  

A Review of Micromechanics based Models for Effective Elastic Properties of Reinforced Polymer Matrix Composites, Raju B, Hiremath SR, Mahapatra DR, Composite Structures, 204, 607-619, 2018.  

Multi-layer graphene reinforced aluminum–manufacturing of high strength composite by friction stir alloying, Saurabh Dixit, Avik Mahata, D Roy Mahapatra, Satish V Kailas, K Chattopadhyay, Composite Part B, 136, 63-71, 2018.  

Stress Triaxiality in Damage Models, SR Hiremath, Deepak Alapur, D Roy Mahapatra, Blast Mitigation Strategies in Marine Composite and Sandwich Structures, Ed. Gopalakrishnan and Rajapaksi, Springer (2018), 247-264.  

Nano-ceramic Reinforced Polymer Matrix Composites for Enhanced Thermo-Mechanical Stability, Dakshayini B. Subbappa, Kishore B. Kancherla, Shashishekarayya R. Hiremath and Debiprosad Roy Mahapatra, International Conference on Composite Materials and Structures, 27-29th December 2017, Hyderabad, India.  

Development of A Continuous Sensing Technique for Shape Memory Alloy Wire Based Integrated Structural Systems, Sukhendu S Manna, D Roy Mahapatra, M R Bhat, Manish Trikha, International Conference on Composite Materials and Structures, 27-29th December 2017, Hyderabad, India.  

Polygonal Finite Elements for Thick Laminated Composite Shell, Priyank Prasad, D Roy Mahapatra, International Conference on Composite Materials and Structures, 27-29th December 2017, Hyderabad, India.  

Integration of Non-Destructive Evaluation based Ultrasonic Simulation – A means for simulation in structural health monitoring, C Boller, D. Roy Mahapatra, Ramanan Sridaran Venkat, Nitin Balajee Ravi, N. Chakraborty, Rakesh Shivamurthy, Keerthy M Simon, Structural Health Monitoring Journal, 2017, 16(5) 611–629.  

Ultrasonic Guided Wave Sensing Characteristics of Large Area Thin Piezo Coating, Vivek T Rathod, A Antony Jeyaseelan, Soma Dutta, and D Roy Mahapatra, Smart Materials and Structures, 26 (10), 1-11, 2017.  

Thermal Analysis of Scramjet Combustor Panel with Active Cooling Using Cellular Materials, R Mukherjee, NK Gopinath, V Vignesh, A Purwar, DR Mahapatra, Proc. 30th International Symposium on Shock Waves, Springer, 239-244, 2017.  

Nature Inspired Strategy to Enhance Mechanical Properties via Liquid Reinforcement, Peter Samora Owuor, Shashishekarayya Hiremath, Alin C. Chipara, Robert Vajtai, Jun Lou, D. Roy Mahapatra, Chandra Sekhar Tiwary, and Pulickel M. Ajayan, Adv. Mater. Interfaces 2017, 1700240.  

Thermomechanical Deformation Behavior of a Hypersonic Waverider Using Finite Element Method, NK Gopinath, V Vignesh, Y Singh, MKK Devaraj, DR Mahapatra, Proc. 30th International Symposium on Shock Waves, Springer, 251-255, 2017.  

Length-scale and strain rate-dependent mechanism of defect formation and fracture in carbon nanotubes under tensile loading, B Javvaji, S Raha, D Roy Mahapatra, Journal of Nanoparticle Research, 19 (2), 1-17, 2017.  

A Methodology for Coupled Thermal-Structural Analysis and Structural Design of Scramjet Combustor, A Purwar, DR Mahapatra, N Thakor, KS Priyamvada, R Mukherjee, Proc. 30th International Symposium on Shock Waves, Springer, 245-250, 2017 Modal Analysis of Power Electronics Module of Spacecraft and its Health Monitoring–An Approach, JK Pandit, DR Mahapatra, R Pandiyan, Procedia Engineering 144, 283-288, 2016.  

Simulation as a Prerequisite in Structural Health Monitoring, C. Boller, D.R. Mahapatra, R. Sridaran Venkat, N.B. Ravi, N. Chakraborty, 04 Nov 2016, 8th International Symposium on NDT in Aerospace, Bangalore, India Feasibility Study of SHM Simulation based Design of Accelerated Fatigue Tests, Nitin Balajee Ravi, Nibir Chakraborty, Rakesh Shivamurthy, Keerthy M Simon, Ramanan Sridaran Venkat, Mirko Steckel, Debiprosad Roy Mahapatra, Christian Boller, 04 Nov 2016, 8th International Symposium on NDT in Aerospace, Bangalore, India Simulation of Ultrasonic Inspection of Defects in Thick Structural Components, Nitin B. Ravi1,Nibir Chakraborty, Rakesh Shivamurthy, Ramanan Sridaran Venkat, D. Roy Mahapatra, Christian Boller, 04 Nov 2016, 8th International Symposium on NDT in Aerospace, Bangalore, India Design of nanostructures for light management in organic photovoltaic devices, AK Jagdish, S Luke, PC Ramamurthy, DR Mahapatra, G Hegde, Photovoltaic Specialists Conference (PVSC), 2016 IEEE 43rd, 0315-0317.  

Growth of Zinc Oxide Nanorod Structures: Pressure Controlled Hydrothermal Process and Growth Mechanism, R. Vasireddi, B. Javvaji, H. Vardhan, D. R. Mahapatra and G.M. Hegde, Journal of Materials Science, 2016, 52 (4), 2007-2020 Design of Thermal Barrier coating system for Scramjet using Coupled Thermo-Structural Analysis, A. Purwar, D. R. Mahapatra, Transactions of Indian Ceramic Society, 2016, 75(4), 242-249.  

A Study of Effectiveness of an SHM Sensor System for Fatigue Damage Inspection, Nitin B Ravi, Nibir Chakraborty, Mirko Steckel, Punith Betagiri, Padmanaban Raghuraman, Rakesh Shivamurty, Ramanan S Venkat, D Roy Mahapatra, Christian Boller, 8th European Workshop on Structural Health Monitoring (EWSHM 2016), 5-8 July 2016, Bilbao, Spain.  

Laser Doppler imaging of delamination in a composite T-joint with remotely located ultrasonic actuators, G. Kolappan Geetha, D. Roy Mahapatra, S. Gopalakrishnan, S. Hanagud, Composite Structures, 147, 197-210 (2016).  

Prototypic Simulation Platform for Structural Health Monitoring Ultrasonic Transducer Networks, RS Venkat, C Boller, NB Ravi, DR Mahapatra, N Chakraborty, Proceedings on 19th World conference on Non-Destructive Testing, 2016.  

Simulation Based Optimization of Sensor Network for SHM of Complex Structures, Nitin B Ravi, Nibir Chakraborty, D Roy Mahapatra, 8th European Workshop on Structural Health Monitoring (EWSHM 2016), 5-8 July 2016, Bilbao, Spain.  

Ultrasonic Guided Wave Simulation Performance Evaluation for QNDE-SHM Processes, N.B. Ravi, R.S. Venkat, N. Chakraborty, D.R. Mahapatra, Christian Boller, 8th European Workshop on Structural Health Monitoring (EWSHM 2016), 5-8 July 2016, Bilbao, Spain.  

Integration of Non-Destructive Evaluation based Ultrasonic Simulation (INDEUS) – A Means for Simulation in SHM, Christian Boller, D Roy Mahapatra, Ramanan S Venkat, Nitin B Ravi, Nibir Chakraborty, Peter Starke, Mirko Steckel, Dwarakanath Krishnamurthy, 8th European Workshop on Structural Health Monitoring (EWSHM 2016), 5-8 July 2016, Bilbao, Spain.  

Ultrasonic Guided Wave Simulation Performance Evaluation for QNDE-SHM Processes Nitin B Ravi, Ramanan S Venkat, Nibir Chakraborty, D Roy Mahapatra, Christian Boller, 8th European Workshop on Structural Health Monitoring (EWSHM 2016), 5-8 July 2016, Bilbao, Spain.  

Mechanical properties of CNT–Bisphenol E cyanate ester-based CFRP nanocomposite developed through VARTM process, P Subba Rao, K Renji, MR Bhat, D Roy Mahapatra, G Narayana Naik, Journal of Reinforced Plastics and Composites, 2015 34 (12), 1000-1014.  

Ultrasonic Guided Wave Sensor Network Optimization for Monitoring Rivet Line, Nitin B. Ravi, Nibir Chakraborty, D. Roy Mahapatra, 10th International Workshop on Structural Health Monitoring 2015 (IWSHM 2015), 1-3 September 2015, Stanford, USA.  

Uncertainty Quantification in Ultrasonic Wave based Detection of Delamination in Composite Structures, Rajendra Kumar Munian, D. Roy Mahapatra, Srinivasan Gopalakrishnan, 10th International Workshop on Structural Health Monitoring 2015 (IWSHM 2015), 1-3 September 2015, Stanford, USA.  

Damage Detection Sensitivity, Specificity and Classification Data Analysis for SHM Systems Design, Verification and Validation, Ganesh K Geetha, Nitin B. Ravi, Nibir Chakraborty, Kishorekumar C Ukirde, G. S. Kamalakar, D. Roy Mahapatra, 10th International Workshop on Structural Health Monitoring 2015 (IWSHM 2015), 1-3 September 2015, Stanford, USA.  

Ultrasonic Guided Wave based Damage Detection using Low-Dimensional Data from Laser Doppler Scan, Ganesh K Geetha, D. Roy Mahapatra, 10th International Workshop on Structural Health Monitoring 2015 (IWSHM 2015), 1-3 September 2015, Stanford, USA.  

Optimized Actuator/Sensor Combinations for Structural Health Monitoring: Simulation and Experimental Validation, R. Sridaran Venkat, C. Boller, N. B. Ravi, N. Chakraborty, G. S. Kamalakar, K. Ukirde and D. Roy Mahapatra, 10th International Workshop on Structural Health Monitoring 2015 (IWSHM 2015), 1-3 September 2015, Stanford, USA.  

Modeling ultrasonic NDE and guided wave based structural health monitoring, Nitin B. Ravi, Vivek T. Rathod, Nibir. Chakraborty, D. R. Mahapatra, Ramanan Sridaran, Christian Boller, SPIE Smart Structures and Materials, Nondestructive Evaluation and Health Monitoring Conf., San Diego, California, USA, March 9-13, 2015, Proc. SPIE 9437, Structural Health Monitoring and Inspection of Advanced Materials, Aerospace, and Civil Infrastructure 2015, 94371V (April 1, 2015); doi:10.1117/12.2085000.  

A Meshless Adaptive Multiscale Method for Fracture, S.-W. Yang, P.R. Budarapu, D Roy Mahapatra, S.P.A. Bordas, G. Zi, T. Rabczuk, Computational Material Science, 2015, 96, 382-395.  

Dynamic response of a piezoelectric flapping wing, Alok Kumar, Gaurang Khandwekar, S. Venkatesh, D. R. Mahapatra, S. Dutta, SPIE Smart Structures and Materials, Nondestructive Evaluation and Health Monitoring Conf., San Diego, California, USA, March 9-13, 2015, Proc. SPIE 9429, Bioinspiration, Biomimetics, and Bioreplication 2015, 94290O (March 26, 2015); doi:10.1117/12.2180156.  

Temperature compensation in CNT-composite distributed strain sensors, V Sundararaman, VT Rathod, D Roy Mahapatra, SPIE Smart Structures and Materials, Nondestructive Evaluation and Health Monitoring Conf., San Diego, California, USA, March 9-13, 2015, Proc. SPIE 9436, Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2015, 94360M (March 27, 2015); doi:10.1117/12.2175489.  

Strength and fatigue life evaluation of composite laminate with embedded sensors, Vivek T Rathod, SR Hiremath, D Roy Mahapatra, SPIE Smart Structures and Materials, Nondestructive Evaluation and Health Monitoring Conf., Proc. SPIE 9062, Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2014 (April 10, 2014); doi:10.1117/12.2047323, 90620X-10, San Diego, California, USA, March 9-13, 2014.  

Interfacial stresses in shape memory alloy-reinforced composites, SR Hiremath, Maulik Prajapati, S Rakesh, D Roy Mahapatra, SPIE Smart Structures and Materials, Nondestructive Evaluation and Health Monitoring Conf., Proc. SPIE 9058, Behavior and Mechanics of Multifunctional Materials and Composites 2014, (March 20, 2014); doi:10.1117/12.2047331, 905806-8, San Diego, California, USA, March 9-13, 2014.  

Length-scale dependent mechanical properties of Al-Cu eutectic alloy: Molecular dynamics based model and its experimental verification, C.S. Tiwary, S. Chakraborty, D.R. Mahapatra, and K. Chattopadhyay, Journal of Applied Physics, 115(20), 2014, 203502.  

Vibration Analysis of Multi-walled Carbon Nanotubes Embedded in Elastic Medium, Pattabhi R. Budarapu, Sudhir Sastry Y.B., D. Roy Mahapatra, Frontiers of Structural and Civil Engineering, 8(2), 2014, 151-159.  

Zoledronic acid in combination with alfacalcidol has additive effects on trabecular microarchitecture and mechanical properties in osteopenic ovariectomized rats, Deepak Kumar Khajuria, Rema Razdan, D. Roy Mahapatra, J. Orthopaedic Sci., 19(4) (2014), 646-656.  

Sensitivity of polyvinylidene fluoride films to mechanical vibration modes and impact after optimizing stretching conditions, Anjana Jain, Jayanth S. Kumar, S. Srikanth, V.T. Rathod, D. Roy Mahapatra, Polymer Science and Engineering, 53 (4), 707-715, 2012.  

Effect of length scale on mechanical properties of Al-Cu eutectic alloy, C.S. Tiwary, D. Roy Mahapatra, K. Chattopadhyay, Applied Physics Letter, 101(17), 171901, 2012.  

Guided Wave based Detection of Damage in Honeycomb Core Sandwich Structures, N. Chakraborty, D. Roy Mahapatra and S. Gopalakrishnan, J. NDT&E, 49, 27-33, 2012.  

Reduced-Order Modeling of Aircraft Wing with Pylon and Engine for Applications in Integrated Vehicle Structural Health Monitoring, A. Kumar, K. Sainath, M. Thangavel, D.Roy.Mahapatra, International Congress on Computational Mechanics and Simulation (ICCMS), IIT Hyderabad, 10-12 December 2012.  

Experimental Studies of Lamb Wave Propagation and Damage Detection in Honeycomb Core Sandwich Panel, N. Chakraborty, V.T. Rathod, D. Roy Mahapatra, S. Gopalakrishnan, ASC-CANCOM International Conf. on Composite, Montreal, Canada, 26-28 Sep 2012.  

Carbon nanotube based composite fibers for strain sensing, signal processing, and computing, Harsh Vardhan, D. Roy Mahapatra, Proc. of SPIE Smart Structures/NDE Conference, San Diego, California, USA, 11-15 March, 2012. SPIE Proc. Vol 8344, DOI: 10.1117/12.918102, Published 8 May 2012.  

Ultrasonic guided wave characterization and damage detection in foam-core sandwich panel using PWAS and LDV, Nibir Chakraborty, D. Roy Mahapatra; Gopalakrishnan Srinivasan, Proc. of SPIE Smart Structures/ Conference, San Diego, California, USA, 11-15 March, 2012. SPIE Proc. Vol 8348, DOI: 10.1117/12.917598, Published 8 May 2012.  

Guided-wave based damage detection in a composite T-joint using 3D scanning laser Doppler vibrometer, Ganesh Kolappan Geetha; D. Roy Mahapatra; Gopalakrishnan Srinivasan, Proc. of SPIE Smart Structures/NDE Conference, San Diego, California, USA, 11-15 March, 2012. SPIE Proc. Vol 8348, DOI: 10.1117/12.917600, Published 8 May 2012.  

Modeling heterostructures with Schrödinger-Poisson-Navier iterative schemes, effect of carrier charge, and influence of electromechanical coupling, Mahapatra, D.R., Willatzen, M., Melnik, R.V.N., Lassen, B., and Lew Yan Voon, L.C., NANO, 7 (4), 1250031, 2012.  

Size Dependent Mechanical Properties of Carbon Nanotubes: A Molecular Dynamics Study, Brahmanandam Javvaji, D. Roy Mahapatra and S. Raha, International Conference on Smart Materials Structures and Systems, Bangalore, India, January 04-07, 2012.  

Force Measurement and Feedback Control of Pulsed Field Emission from Carbon Nanotube based Emitters for Electron Thruster Applications, Aman Chandra, Arvind Krishnaswamy, D. Roy Mahapatra, Space Transportation Symposium (STS2011), VSSC, Thiruvananthapuram, 16-18 Dec 2011. [Best Paper Award].  

Linear phased array of piezoelectric transducers for delamination monitoring in a composite laminate using Lamb waves, Vivek T. Rathod, Nibir Chakraborty, and D. Roy Mahapatra, Proc. of SPIE Smart Structures/ Conference, San Diego, California, USA, 6-10 March, 2011.  

Self-actuating and self-diagnosing plastically deforming piezo-composite flapping wing , Ajay B. Harish, Dineshkumar Harursampath and D. Roy Mahapatra, Proc. of SPIE Smart Structures/ Conference, San Diego, California, USA, 6-10 March, 2011.  

Prediction of nonlocal scaling parameter for armchair and zigzag single-walled carbon nanotubes based on molecular structural mechanics, nonlocal elasticity and wave propagation, S. Narendar, D. Roy Mahapatra, S. Gopalakrishnan, International Journal of Engineering Science, 49, 509-522, 2011.  

Pulsed laser assisted modification of phase transformation characteristics of NiTi shape memory alloy actuator wire, Pratibha Raghunandan, G. M. Hegde and D. Roy Mahapatra, International conference Experimental Mechanics, Kaula Lumpur, Malaysia, November 29 – December 1, 2010.  

Modeling the interface effect of shape memory alloy composite materials, Chetan S. Jarali, D. Roy Mahapatra, S. Raja, Multidiscipline Modeling in Materials and Structures, 6, 257-283, 2010.  

Rapid Localization of Damage using a Circular Sensor Array and Lamb Wave based Triangulation, G. Giridhara, V.T. Rathod, S. Naik, D. Roy Mahapatra and S. Gopalakrishnan, Mechanical Systems and Signal Processing, 24, 2929-2946, 2010.  

On Numerical Integration of Discontinuous Approximations in Partition Of Unity Finite Elements, Sundararajan Natarajan and Stephane P.A. Bordas and D. Roy Mahapatra, IUTAM Book series, Vol. 19, 2010, part-IV, p. 396. [DOI: 10.1007/978-90-481-3771-8_30]  

Mesoscopic Model for Electroactive Composite Films and Its Applications, D. Roy Mahapatra and R.V.N. Melnik, Particle and Continuum Aspects of Mesomechanics, (Shi et al. Eds), Wiley Interscience, Part , DOI: 10.1002/9780470610794, 163-170, 2010.  

Structural Stability of Slender Aerospace Vehicles: Part I – Theoretical Aspects, M. Trikha, D. Roy Mahapatra, S. Gopalakrishnan, R. Pandiyan, International Journal of Mechanical Science, 52, 937-951, 2010.  

Structural Stability of Slender Aerospace Vehicles: Part II – Numerical Simulations, M. Trikha, D. Roy Mahapatra, S. Gopalakrishnan, R. Pandiyan, International Journal of Mechanical Science, 52, 1145-1157, 2010.  

Wave propagation and bandgaps in a parametrically modulated composite laminate, Vijay K. Chanda, D. Roy Mahapatra, Wave Motion, 47, 103-116, 2010.  

Shape Memory Alloy Actuator Integrated Morphing Aerofoil Structure, K. Dasharathi, A A Wadkar, A K Kancharla, D Roy Mahapatra, Journal of Aerospace Innovation, 2(3), 225-238, 2010.  

Detailed studies on the formation of piezoelectric β-phase of PVDF at different hot-stretching conditions, Anjana Jain, Jayanth Kumar S., D. Roy Mahapatra, H. H Kumar, Proc. SPIE Smart Structures and NDE Conf., Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2010.  

Dynamic Instabilities in Slender Space Launch Vehicles under Propulsive Thrust and Aerodynamic Forces, M. Trikha, S. Gopalakrishnan, D. Roy Mahapatra and R. Pandiyan, Computer Modelling in Engineering and Sciences, 45, 97-140, 2009.  

Energy harvesting using Ag nanoparticle coated ionic polymer-metal composites, S. V Anand, P. Bharath, K. Arvind, N. Chakraborty, B. Ahish and D. Roy Mahapatra, IISc Centenary International Conference and Exhibition on Aerospace Engineering ICEAE 2009, 18-22 May, 2009, Bangalore, India.  

Overview of Aerospace Structures Research in India, B. Dattaguru, D. Roy Mahapatra, 50th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conf., Palm Springs, California, May 4-7, 2009, AIAA-2009-2391.  

Analysis of Dynamic Stability of Space Launch Vehicles under aerodynamic forces using CFD derived data, M. Trikha, S. Gopalakrishnan, D. Roy Mahapatra, International Journal for Computational Methods in Engineering Science and Mechanics, 2009.  

Constitutive modelling of shape memory alloy wire with non-local rate kinetics, V.K. Jha and D. Roy Mahapatra, J. Continuum Mechanics and Thermodynamics, 21(1), 1-15, 2009.  

Strain Rate, Size, and Temperature Dependent Structural and Mechanical Properties of Intermetallic NiAl Nanowires, Vijay Kumar Sutrakar and D. Roy Mahapatra, IISc Centenary International Conference and Exhibition on Aerospace Engineering ICEAE 2009, 18-22 May, 2009, Bangalore, India.  

On the sensitivity of elastic waves due to structural damages: Time-frequency based indexing method, R. Gangadharan, D. Roy Mahapatra, S. Gopalakrishnan, C.R.L. Murthy, M.R. Bhat, J. Sound and Vibration, 320, 915-941, 2009.  

Effects of Loading rate on the dynamic response of shape memory alloys. D.R. Mahapatra, K. Dasharathi and Vijay Kumar Sutrakar, Topical Problems in Solid Mechanics, Editors, N.K. Gupta and A.V. Manzhirov. ISBN 8188901369, (2009).  

A circular Array of Piezoelectric Sensors for Lamb Wave Based Structural Health Monitoring, V. T. Rathod, D. Roy Mahapatra and S. Gopalakrishnan, IISc Centenary International Conference and Exhibition on Aerospace Engineering ICEAE 2009, 18-22 May, 2009, Bangalore, India.  

Dynamics of polymerized carbon nanotubes for realizing flexible, large area electro-mechanical sensors, Sandeep V. Anand and D. Roy Mahapatra, IISc Centenary International Conference and Exhibition on Aerospace Engineering ICEAE 2009, 18-22 May, 2009, Bangalore, India.  

Active Vibration Control Synthesis for Smart Structures using Phenomenological Damping, G.K. Vadiraja and D. Roy Mahapatra, IISc Centenary International Conference and Exhibition on Aerospace Engineering ICEAE 2009, 18-22 May, 2009, Bangalore, India.  

Doubly spectral stochastic finite element method (DSSFEM) for random field problems, Sondipon Adhikari, and D. Roy Mahapatra, IISc Centenary International Conference and Exhibition on Aerospace Engineering ICEAE 2009, 18-22 May, 2009, Bangalore, India.  

Thermo-Mechanical Influence of Inclusions with Diffused Interface in SiC/Ti-6Al-4V Composites, Vijay Kumar Sutrakar and D. Roy Mahapatra, IISc Centenary International Conference and Exhibition on Aerospace Engineering ICEAE 2009, 18-22 May, 2009, Bangalore, India.  

Thermo-Electrical Control and Fatigue degradation of SMA Wire Actuator in Morphing Aerofoil, Kannan Dasharathi, Abhishek A Wadkar, D Roy Mahapatra, IISc Centenary International Conference and Exhibition on Aerospace Engineering ICEAE 2009, 18-22 May, 2009, Bangalore, India.  

Viscoelastic phenomenology based structure assignment for closed-loop vibration control of a beam with sensors and actuators, G. K. Vadiraja and D. Roy Mahapatra, Proc. of SPIE Smart Structures/ Conference, 8-12 March, 2009, San Diego, California, USA, 7286, 2009.  

Strain Dependant Memory Effect in the Effective Resistance of Carbon Nanotube Dispersed Polymer Nanocomposites, Sandeep Anand, Rejin Isaac and D. Roy Mahapatra, Proceedings of the 53rd DAE Solid State Physics Symposium, Bhabha Atomic Research Centre (BARC), Trombay, Mumbai, India, vol. 53, C129, 481-482, 2008.  

Structural morphing using shape memory alloy wire integrated systems, A. Kancharla, K. Dasharathi, V.K. Jha, A. Wadkar and D. Roy Mahapatra, Proc. Conference on Smart Materials Structures and Systems, July 24-26, 2008, Bangalore, India. Paper no. -2008/P-110.  

Modeling and analysis of a tunable piezoelectric structure for transverse shear wave generation, Shiva S. Chenagani and D. Roy Mahapatra, SPIE Proc. Sensors and Smart Structures Technologies for Civil, Mechanical and Aerospace Systems, Vol No. 6932, DOI:10.1117/12.776282, 2008.  

Analysis of aeroelastic stability of aslender launch vehicle using aerodynamic data, M. Trikha, D. Roy Mahapatra, S. Gopalakrishnan and R. Pandiyan, AIAA Aerospace Science Meeting, Reno, Nevada, Jan 7-10, 2008, AIAA-2008-310.  

Aerodynamic pressure variation over SMA wire integrated morphing aerofoil, A. Kancharala and D. Roy Mahapatra, AIAA Structures, Structural Dynamics and Materials Conf., AIAA-2008-2044, Schaumburg, IL, April 7-10, 2008.  

Influence of combustion coupled follower force and mass sensitivity on launch vehicle stability, M. Trikha, S. Gopalakrishnan, D. Roy Mahapatra and R. Pandiyan, AIAA Structures, Structural Dynamics and Materials Conf., AIAA-2008-2023, Schaumburg, IL, April 7-10, 2008.  

Design and analysis of a flat accelerometer-based force balance system for shock tunnel testing, N. Sahoo, D. Roy Mahapatra, G. Jagadeesh, S. Gopalakrishnan and K.P.J. Reddy, Measurement, 40, 93-106, 2007.  

Spectral Finite Element Method: Wave Propagation, Diagnostics and Control in Anisotropic and In-homogeneous Structures, S. Gopalakrishnan, A. Chakraborty, D. Roy Mahapatra; 2007, 430 p., 100 illus., Hardcover, ISBN: 1-84628-355-8, Springer, London. [ISBN: 978-1846283550; DOI: 10.1007/978-1-84628-356-7]  

Design and analysis of a morphing aerofoil integrated with shape memory alloy wires, A.K. Kancharala and D. Roy Mahapatra, Symp. Applied Aerodynamics and Design of Aerospace Vehicle (SAROD07), Nov. 22-23, 2007, Thiruvananthapuram, India.  

Numerical methods for coupled nonlinear problems of dynamic thermoelasticity and shape memory alloys modeling, R. Melnik, D. Roy Mahapatra, L. Wang and T. Roberts, Computational Methods for Coupled Problems in Science and Engineering II: Coupled Problems 2007, Eds. E. Onate, M. Papadrakakis and B. Schrefler, pp. 461-464 (ISBN: 978-84-96736-18-4) Barcelona, Spain, May 2007.  

Mesoscopic model for electroactive composite films and its applications, D. Roy Mahapatra and R.V.N. Melnik, Meso Mechanics 2007, May 13-17, Presqu’île de Giens southern France.  

Adaptive control of vibration transmission in a strut system C.-M. Liao, D. Roy Mahapatra and B. Balachandran, SPIE Smart Mater. Struct. Conf., San Diego, March 18-22, 2007, SPIE paper 6523-26.  

Estimation of dynamic fracture parameters in a transverse cracked composite beam using a simplified diagnostic wave propagation model, D. Sreekanth Kumar, D. Roy Mahapatra and S. Gopalakrishnan, Structural Health Monitoring 5(2), 99-124, 2006.  

Equivalent constitutive model-based design of wave-absorbing material system and controller, D. Roy Mahapatra, Journal of Sound and Vibration 289(3), 509-528, 2006.  

A higher order finite waveguide model for spectral analysis of composite structures, D. Roy Mahapatra, S. Singhal and S. Gopalakrishnan, Computer Methods in Applied Mechanics and Engineering, 195, 1116-113, 2006.  

Experimental studies toward the development of a structural health monitoring system using damage force indicator, A.K. Rao, M. Kumar, D. Roy Mahapatra, S. Gopalakrishnan and M.S. Bhat, Proc. 2005 International Conference on Smart Materials, Structures and Systems, pp. SB-171-178, Bangalore, India, July 28-30, 2005.  

Phase kinetics in modelling shape memory alloys, D. Roy Mahapatra and R.V.N. Melnik, Int. Conf. Nonsmooth/Nonconvex Mechanics, Aristotle University of Thessaloniki, July 7-8, 2006.  

Diffusion kinetics and multivariant phase transformation in shape memory alloys, D. Roy Mahapatra and R.V.N. Melnik, Symp. Fracture and Fatigue at the Micro and Nano Scales, 16th European Conference of Fracture (ECF16), Alexandroupolis, Greece, July 3-7, 2006.  

Spectral finite element modelling of complex structures for applications in real-time structural health monitoring, D. Roy Mahapatra, S. Gopalakrishnan and N.Hu, 47th AIAA Structural Dynamics and Materials Conf., Newport, RI, USA, May 1-4, 2006, Paper No. 1957.  

Three-dimensional mathematical models of phase transformation kinetics in shape memory alloys, D. Roy Mahapatra and R.V.N. Melnik, Dynamics of Continuous Discrete and Impulsive Systems: B, 2, 557-562, 2005.  

Analysis of constrained piezoelectric layer: A two-dimensional coupled electromechanical model, R. Ali, D. Roy Mahapatra and S. Gopalakrishnan, Ferroelectrics 329, 131-137, 2005.  

A dynamic model for phase transformations in 3D samples of shape memory alloys, D. Roy Mahapatra and R.V.N. Melnik, LNCS Springer-Verlag, 3516, 25-32, 2005.  

Numerical analysis of piezoelectric composite IDT for Lamb wave generation, D. Roy Mahapatra, A. Singhal and S. Gopalakrishnan, IEEE Trans. Ultrasonics, Ferroelectrics and Frequency Control, 52(10), 1851, 2005.  

Shape memory alloys and their industrial applications: New models and numerical schemes, R.V.N. Melnik and D. Roy Mahapatra, SIAM Conference on Mathematics for Industry: Challenges and Frontiers, Oct 24-26, 2005, Detroit, USA.  

Numerical characterization of the transformation dynamics in shape memory alloys, D. Roy Mahapatra and R.V.N. Melnik, Proc. CANSMART International Workshop on Smart Materials and Structures, Oct 13-14, 2005, Toronto, Canada.  

Three-dimensional mathematical models of phase transformation kinetics in shape memory alloys, D. Roy Mahapatra and R.V.N. Melnik, Proc. DCDIS 4th International Conference on Engineering Applications and Computational Algorithms, Guelph, ON, Canada, July 27-29, 2005, pp.557-562, ISSN 1492-8760, Watam Press, Waterloo, Canada.  

A new modeling approach toward the structural stability of slender hypersonic vehicles, M. Trikha, D. Roy Mahapatra, S. Gopalakrishnan and K. Badarinarayana, The 25th International Symposium on Shock Waves (ISSW25), July 17-22, 2005, Bangalore, India.  

Computational modeling of coupled dynamic phase transformation in shape memory alloys, D. Roy Mahapatra and R.V.N. Melnik, 19th International Symposium on High Performance Computing Systems and Applications (HPCS05), May 15-18, 2005, Guelph, Canada. IEEE Proc. (ISSN:1550-5243) pp.267-273.  

Estimation of degraded composite laminate properties using acoustic wave propagation model and a reduction-prediction network, D. Roy Mahapatra, S. Suresh, S.N. Omkar and S. Gopalakrishnan, Engineering Computation, 22(7), 849-876, 2005.  

A refined higher order finite element for asymmetric composite beams, M.V.V.S. Murthy, K. Badrinarayana, D. Roy Mahapatra and S. Gopalakrishnan, Composite Structure 67(1), 27-35, 2005.  

Estimation of composite damage model parameters using spectral finite element and neural network, A.K. Garg, D. Roy Mahapatra, S. Suresh, S. Gopalakrishnan and S.N. Omkar, Composite Science and Technology 64(16), 2477-2493, 2004.  

A spectral finite element for wave propagation and structural diagnostic analysis of composite beam with transverse cracks, D. S. Kumar, D. Roy Mahapatra and S. Gopalakrishnan, Finite Elements in Analysis and Design 40(13-14), 1729-1751, 2004.  

Distributed sensing of static and dynamic fracture in self-sensing piezoelectric composite: finite element simulation, C.V.S. Sastry, D. Roy Mahapatra, S. Gopalakrishnan and T.S. Ramamurthy, Journal of Intelligent Material Systems and Structures 15(5), 339-354, 2004.  

Spectral finite element analysis of coupled wave propagation in composite beams with multiple delaminations and strip inclusions, D. Roy Mahapatra and S. Gopalakrishnan, International Journal of Solids and Structures 41, 1173-1208, 2004.  

An -adaptive finite element technique for fracture problems using SERR-based error estimator and automatic mesh generator, A. Bisi, D. Roy Mahapatra, S. Gopalakrishnan and B. Dattaguru, Proc. International Conference on Advances in Structural Integrity, July 14-17, 2004, Indian Institute of Science, Bangalore, India.  

A novel free floating accelerometer force balance system for shock tunnel applications, R. Joarder, D. Roy Mahapatra and G. Jagadeesh, 24th International Symposium on Shock Waves, Beijing, China. July 2004.  

Analysis of constrained piezoelectric layer: A two dimensional coupled electro-mechanical model, R. Ali, D. Roy Mahapatra and S. Gopalakrishnan, 4th Asian Meeting on Ferroelectrics, Dec 12-15, 2003. Bangalore, India.  

Effect of actuation phase on the in delaminated composite with embedded piezoelectric layers, C.V.S. Sastry, D. Roy Mahapatra, S. Gopalakrishnan and T.S. Ramamurthy, Smart Materials and Structures 12, 602-611, 2003.  

An accelerometer balance system for measurement of aerodynamic force coefficients over blunt bodies in hypersonic shock tunnel, N. Sahoo, D.R. Mahapatra, G. Jagadeesh, S. Gopalakrishnan and K.P.J. Reddy, Measurement Science and Technology 14(3), 260-272, 2003.  

A spectral finite element with embedded delamination for modeling of wave scattering in composite beams. A. Nag, D. Roy Mahapatra, S. Gopalakrishnan and T.S. Sankar, Composite Science and Technology, 63(15), 2187-2200, 2003.  

A spectral finite element for analysis of wave propagation in uniform composite tubes. D. Roy Mahapatra and S. Gopalakrishnan, Journal of Sound and Vibration, 268(3), 429-463, 2003.  

An active spectral element model for PID feedback control of wave propagation in composite beams, D. Roy Mahapatra and S. Gopalakrishnan, Advances in Vibration Engineering Universities Press, India, 1(2), 165-175, 2002.  

Identification of delaminations in composite beams using spectral estimation and genetic algorithm. A. Nag, D. Roy Mahapatra and S. Gopalakrishnan, Smart Materials and Structures, 11(6), 899-908, 2002.  

Identification of delamination in composite: structural health monitoring software based on spectral estimation and hierarchical genetic algorithm. A. Nag, D. Roy Mahapatra and S. Gopalakrishnan, -SPIE 2002 International Conference on Smart Materials and Structures, Dec 12-14, 2002, Bangalore, India, -SA-506, 675-682. Proc. SPIE, 5062, 720-727.  

Identification of delaminations in composite beams using a damaged spectral element. A. Nag, D. Roy Mahapatra and S. Gopalakrishnan, Structural Health Monitoring, 1(1), 105-126, 2002.  

A spectral finite element model for analysis of axial-flexural-shear coupled wave propagation in laminated composite beams. D. Roy Mahapatra and S. Gopalakrishnan, Composite Structure, 59(1), 67-88, 2002.  

Aerodynamic force measurements on 60 degree apex angle blunt cones flying at Mach 5.75 using a 3-component accelerometer balance. N. Sahoo, D. Roy Mahapatra, G. Jagadeesh, S. Gopalakrishnan and K.P.J. Reddy, AIAA/AAAF 11th International Space Planes and Hypersonic Systems and Technologies Conference, Orleans, France, Sept. 29-Oct 4., 2002, AIAA-2002-5204.  

Finite element analysis of free vibration and wave propagation in asymmetric composite beams with structural discontinuities. A. Chakraborty, D. Roy Mahapatra and S. Gopalakrishnan, Composite Structures, 55(1), 23-36, 2001.  

Scattering and transmission of mixed-mode waves in delaminated thick composite beams. D. Roy Mahapatra, S. Gopalakrishnan and T.S. Sankar, ASME Design Engineering Technical Conference, 18th Biennial Conference on Vibration and Noise, Pittsburgh, Pennsylvania, USA. Sept 9-12, 2001. Conf. Proc. 01-VIB-21543.  

Active feedback control of multiple waves in helicopter gearbox support struts. D. Roy Mahapatra, S. Gopalakrishnan and B. Balachandran, Smart Materials and Structures, 10, 1046-1058, 2001.  

Optimal Spectral Control of Broadband waves in composite beams with distributed sensor-actuator configuration. S. Gopalakrishnan and D. Roy Mahapatra, SPIE Symposium on Smart Materials and MEMS, Melbourne, Australia. Dec 13-15, 2000, SPIE 4234-12.  

Active control of structure-born noise in helicopter cabin transmitted through gearbox support struts. S. Gopalakrishnan and D. Roy Mahapatra, Designing for Quietness, Proc. IUTAM Symposium, Bangalore, India, Dec 12-14, 2000. Solid Mechanics and its Applications, Vol. 102. (Ed. M.L. Munjal), Kluwer Academic Publishers.  

An active spectral element model for PID feedback control of wave propagation in composite beams. D. Roy Mahapatra and S. Gopalakrishnan, CD-ROM Proc. 1st Int. Conf. Vibration Engineering and Technology of Machinery (VETOMAC-I), Bangalore, India, Oct 23-25, 2000.  

Active wave control in finite length strut. D. Roy Mahapatra, S. Gopalakrishnan and B. Balachandran, CD-ROM Proc. 1st Int. Conf. Vibration Engineering and Technology of Machinery (VETOMAC-I), Bangalore, India, Oct 23-25, 2000.  

Spectral element based solutions for wave propagation analysis of multiply connected laminated composite beams. D. Roy Mahapatra, S. Gopalakrishnan and T. S. Sankar, Journal of Sound and Vibration, 237(5), 819-836, 2000.  

Spectrally formulated finite element for elementary composite beam with embedded smart layers. D.Roy Mahapatra and S. Gopalakrishnan, Proc. Int. conference on Smart Materials, Structures and Systems, -SPIE’99, Bangalore, India, 337-342, 1999.  

Energy Systems and Electronic Materials Manufacturing 
Bio-Materials and Systems Manufacturing 

Unveiling the Wavelength-Dependent Performance and Photodegradation Analysis of Perovskite Solar Cells, B Nath, PC Ramamurthy, DR Mahapatra, G Hegde, ACS Applied Energy Materials, 8, 922-934, 2025. [DOI: 10.1021/acsaem.4c02415]  

Role of transition metal iodides in defect and charge dynamics of perovskite solar cells, B. Nath, R. Roy Chaudhuri, M. Shrivastava, P. C. Ramamurthy, D. Roy Mahapatra, G. Hegde, Solar Energy, 2024, 282, 112928. [DOI: 10.1016/j.solener.2024.112928]  

Dakshayini, B.S., Kancherla, K.B., Raju, B., and Roy Mahapatra, D., “Assessing the Structural Feasibility and Recyclability of Flax/PLA Bio-Composites for Enhanced Sustainability,” SAE Technical Paper 2024-26-0407, 2024, [DOI:10.4271/2024-26-0407]. Conference Track Best Paper Award.  

Exploring the potential of green synthesized ZnO-SnO2 composite as an effective electron transport layer for perovskite solar cells: A sustainable approach, B Nath, B Uppara, S Singh, P C Ramamurthy, D Roy Mahapatra, G Hegde, Chemical Engineering Science, 2024, 296, 120249.  

Understanding The Heterointerfaces in Perovskite Solar Cells via Hole Selective Layer Surface Functionalization, B Nath, SK Behera, J Kumar, A Hemmerle, P Fontaine, PC Ramamurthy, D Roy Mahapatra, G Hegde, Advanced Materials, 2024, 36(5), 2307547. [DOI: 10.1002/adma.202307547]  

Interfacial engineering using ammonia-functionalized MXene in perovskite solar cells, B Nath, S Khasnabis, P C Ramamurthy, D Roy Mahapatra, G Hedge, Nanotechnology for Environmental Engineering, 2023, 8, 847–858.  

Perovskite solar cell performance analysis via interface engineering employing MOF-composite, B Nath, S Singh, SK Behera, PC Ramamurthy, D Roy Mahapatra, G Hegde, Solar Energy, 2023, 257, 249-256.  

Effect of Cuprous Iodide Passivation in Perovskite Solar Cells, B. Nath, P. C. Ramamurthy, D. Roy Mahapatra, G. Hegde, Journal of Materials Science: Materials in Electronics, 2022, 33, 14457–14467.  

Electrode Transport Layer–Metal Electrode Interface Morphology Tailoring for Enhancing the Performance of Perovskite Solar Cells, B Nath, PC Ramamurthy, D Roy Mahapatra, G Hegde, ACS Applied Electronic Materials 4 (2), 689–697, 2022.  

Nanoparticles and Bacterial Interaction of Host-Pathogens and the Detection Enhancement of Biomolecules by Fluorescence Raman Spectroscopic Investigation, G Satpathy, G K Chandra, K Elayaraja, D Roy Mahapatra, A Subramania, Z Guo, S Umapathy, E Manikandan, Engineered Science, 20, 341-351, 2022.  

Role of electrodes on perovskite solar cells performance: A review, B Nath, PC Ramamurthy, G Hegde, D Roy Mahapatra, ISSS Journal of Micro and Smart Systems, 1-19, 2022.  

Modelling and Design of Nanostructured Optoelectronic Devices: Solar Cells and Photodetectors, J A Krishnaswamy, P C Ramamurthy, G Hegde, D Roy Mahapatra, Springer (2022), ISBN 978-981-19-0606-0. [ISBN: 978-981-19-0606-0; DOI: 10.1007/978-981-19-0607-7]  

Effect of top electrode using Silver Nano powder on the performance of Perovskite Solar cells, B Nath, PC Ramamurthy, D Roy Mahapatra, G Hegde, 2021 IEEE 48th Photovoltaic Specialists Conference (PVSC), 0326-0329.  

Hermetic Sealed Perovskite Solar Cells: Water Stable Encapsulation, V Adiga, B Nath, PC Ramamurthy, D Roy Mahapatra, G Hegde, 2021 IEEE 48th Photovoltaic Specialists Conference (PVSC), 0904-0907.  

Monitoring microbial growth on a microfluidic lab-on-chip with electrochemical impedance spectroscopic technique, S Shaik, A Saminathan, D Sharma, JA Krishnaswamy, D Roy Mahapatra, Biomedical Microdevice 23, 26, 2021.  

Field enhancement in microfluidic semiconductor nanowire array, BM Shenoy, G Hegde, D Roy Mahapatra, Biomicrofluidics 14, 064102, 2020.  

Pathogenic Escherichia coli (E. coli) detection through tuned nanoparticles enhancement study, G Satpathy, GK Chandra, E Manikandan, D Roy Mahapatra, S Umapathy, Biotechnology Letters, 42, 853-863, 2020.  

Ionic Diffusion and Drug Release Behavior of Core–Shell-Functionalized Alginate–Chitosan-Based Hydrogel, DK Khajuria, R Vasireddi, MK Priydarshi, DR Mahapatra, ACS Omega, 5(1), 758-765, 2019.  

Review on nanomaterials-enabled electrochemical sensors for ascorbic acid detection, K Dhara, D Roy Mahapatra, Analytical Biochemistry 586, 113415, 2019.  

Graphene Oxide–A Tool for Preparation of Chemically Crosslinking Free Alginate-Chitosan-Collagen Scaffold for Bone Tissue Engineering, Kolanthai, Elayaraja; P, Abinaya Sindu; Khajuria, Deepak Kumar; Veerla, Sarath; Kuppuswamy, Dhandapani; Catalani, Luiz; Roy Mahapatra, D., ACS Applied Materials and Interfaces, 10(15), 12441-12452, 2018.  

Moldable biomimetic nanoscale optoelectronic platforms for simultaneous enhancement in optical absorption and charge transport, J.A. Krishnaswamy, K. Garg, P.C. Ramamurthy, D. Roy Mahapatra, G. Hegde, Nanoscale, 10, 3730-3737, 2018.  

Shape memory composite cellular plan-forms for shape and area morphing, Maulik Prajapati, Kannan Dasharathi, Alok Kumar, D. Roy Mahapatra, ISSS Journal of Micro and Smart Systems, 6, 161-171, 2017.  

Thermal Analysis of Scramjet Combustor Panel with Active Cooling Using Cellular Materials, R Mukherjee, NK Gopinath, V Vignesh, A Purwar, DR Mahapatra, Proc. 30th International Symposium on Shock Waves, Springer, 239-244, 2017.  

Optimization of a Diaphragm for a Micro-Shock Tube-Based Drug Delivery Method, VT Rathod, DR Mahapatra, Bioengineering, 2017, 4 (1), 24.  

Risedronate/zinc-hydroxyapatite based nanomedicine for osteoporosis, DK Khajuria, C Disha, R Vasireddi, R Razdan, DR Mahapatra, Materials Science and Engineering: C 63, 78-87 (2016).  

Magnetic nanoparticles for thermal lysis and application in cancer treatment, S Das, B Javvaji, SC Veerla, DR Mahapatra, SPIE Photonics West, BiOS, 97083C-97083C-6, 2016.  

Fluorescence intensity enhancement mechanism in presence of plasmonic nanoparticles, S Das, B Javvaji, KH Villa, A Arikady, GM Hegde, DR Mahapatra, SPIE Photonics West, BiOS, 97240K-97240K-7, 2016.  

Optical diagnostics of osteoblast cells and osteogenic drug screening, E Kolanti, SC Veerla, DK Khajuria, DR Mahapatra, SPIE Photonics West, BiOS, 96894I-96894I-6, 2016.  

Development, in vitro and in vivo characterization of zoledronic acid functionalized hydroxyapatite nanoparticle based formulation for treatment of osteoporosis in animal model, Deepak Kumar Khajuria, Rema Razdan, Debiprosad Roy Mahapatra, European Journal of Pharmaceutical Sciences, 2015, 66, 173-183.  

Dynamic response of a piezoelectric flapping wing, Alok Kumar, Gaurang Khandwekar, S. Venkatesh, D. R. Mahapatra, S. Dutta, SPIE Smart Structures and Materials, Nondestructive Evaluation and Health Monitoring Conf., San Diego, California, USA, March 9-13, 2015, Proc. SPIE 9429, Bioinspiration, Biomimetics, and Bioreplication 2015, 94290O (March 26, 2015); [DOI:10.1117/12.2180156].  

Plasmonic nanoparticle interaction with cell membrane for diagnostic applications, Sumana Das, Akshata Arikady, Ramakrishna Vasireddi, Krishna Harika Villa, Manish C Konnur, Gopalkrishna M Hegde, D Roy Mahapatra, SPIE Photonics West, BIOS, San Francisco, California, USA, February 07, 2015, Proc. SPIE 9310, Frontiers in Biological Detection: From Nanosensors to Systems VII, 93100A (March 2, 2015); doi:10.1117/12.2082598.  

Photonic monitoring of chitosan nanostructured alginate microcapsules for drug release, Deepak K Khajuria, Manish C Konnur, Ramakrishna Vasireddi, D Roy Mahapatra, SPIE Photonics West, BIOS, San Francisco, California, USA, February 07, 2015, Proc. SPIE 9303, Photonic Therapeutics and Diagnostics XI, 93033V (February 26, 2015); [DOI:10.1117/12.2084966].  

Additive effects of zoledronic acid and propranolol on bone density and biochemical markers of bone turnover in osteopenic ovariectomized rats, Deepak Kumar Khajuria, Rema Razdan, D. Roy Mahapatra, Brazilian Journal of Rheumatology, 55 (2), 103-112 (2015).  

Validation of Polyvinylidene Fluoride Nasal Sensor to assess nasal obstruction in comparison with subjective technique, G. Roopa Manjunatha, D. Roy Mahapatra, Surya Prakash, K. Rajanna, American Journal of Otolaryngology, 36 (2), 122-129 (2015).  

Additive effect of zoledronic acid and alfacalcidol in the treatment of disuse osteoporosis in rats, Deepak Kumar Khajuria, Rema Razdan, D. Roy Mahapatra, Brazilian Journal of Rheumatology, 2015, 55 (3), 240-250.  

Effect of combined treatment with zoledronic acid and propranolol on mechanical strength in a rat model of disuse osteoporosis, D.K. Khajuria, R. Razdan. D.R. Mahapatra, Brazilian Journal of Rheumatology, 2015, 55(6), 501-511.  

The Combination Therapy with Zoledronic Acid and Propranolol Improves the Trabecular Microarchitecture and Mechanical Property in an Rat Model of Postmenopausal Osteoporosis, Deepak kumar Khajuria, Rema Razdan, and D. Roy Mahapatra, Journal of Osteoporosis, 2014, 586431.  

Prophylactic Effects of Propranolol Versus Standard Therapy son a New Model of Disuse Osteoporosis in Rats, Khajuria DK, Disha C, Razdan R, Mahapatra DR, Vasireddi R, Sci Pharm, 2014, 82, 357-374.  

Evaluation of polyvinylidene fluoride nasal sensor to assess deviated nasal septum in comparison with peak nasal inspiratory flow measurements, Roopa G Manjunatha, K Rajanna, D Roy Mahapatra, Surya Prakash, American Journal of Rhinology & Allergy, (2014) 28, 62-67.  

Molecular dynamics study of phonon screening in grapheme, Brahmanandam Javvaji, D Roy Mahapatra, S Raha, SPIE Smart Structures and Materials, Nondestructive Evaluation and Health Monitoring, Proc. SPIE 9060, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2014 (April 16, 2014); [DOI:10.1117/12.2047308], 90600H-7, San Diego, California, USA, March 9-13, 2014.  

Shape memory alloy-based active chiral composite cells, Maulik Prajapati, D Roy Mahapatra, SPIE Smart Structures and Materials, Nondestructive Evaluation and Health Monitoring Conf., Proc. SPIE 9057, Active and Passive Smart Structures and Integrated Systems 2014 (April 1, 2014); doi:10.1117/12.2047329, 90573C-9, San Diego, California, USA, March 9-13, 2014.  

Estimation of fatigue damage parameters using guided wave technique, Vivek T Rathod, D Roy Mahapatra, SPIE Smart Structures and Materials, Nondestructive Evaluation and Health Monitoring Conf., Proc. SPIE 9064, Health Monitoring of Structural and Biological Systems 2014, (March 9, 2014); doi:10.1117/12.2047326, 90642B-9, San Diego, California, USA, March 9-13, 2014.  

Detection of target DNA using photo-reactive protoporphyrin moeity on a nanocomposite substrate, S Das, M Mishra, R Vasireddi, DR Mahapatra, SPIE Photonics West 2014, Proc. SPIE 8933, Frontiers in Biological Detection: From Nanosensors to Systems VI, (March 13, 2014); doi:10.1117/12.2042556, 893308-6, February 1-6, 2014.  

Photonic hydrogel beads for controlled release of risedronate, DK Khajuria, DR Mahapatra, SPIE Photonics West 2014, Proc. SPIE 8926, Photonic Therapeutics and Diagnostics X, (March 4, 2014); doi:10.1117/12.2042568, 892640-7, February 1-6, 2014.  

Polyvinylidene fluoride film based nasal sensor to monitor human respiration pattern: An initial clinical study, GR Manjunatha, K Rajanna, DR Mahapatra, MM Nayak, UM Krishnaswamy, R Srinivasa, Journal of clinical monitoring and computing, (2013) 27:647–657.  

Guided ultrasonic wave propagation through inaccessible damage in a folded plate using sensor-actuator network, GK Geetha, DR Mahapatra, S Gopalakrishnan, SPIE Smart Structures and Materials and NDE Conf., San Diego, California, USA, March 10, 2013, Proc. SPIE 8695, Health Monitoring of Structural and Biological Systems 2013, 86951J (April 17, 2013); doi:10.1117/12.2010519.  

Electromagnetic characteristics of Polyaniline/SWCNT composites, B Javvaji, DR Mahapatra, S Raha, SPIE Smart Structures and Materials and NDE Conf., San Diego, California, USA, March 10, 2013, Proc. SPIE 8691, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2013, 86910Z (April 16, 2013); doi:10.1117/12.2010516.  

pH induced switching in hydrogel coated fiber Bragg grating sensor, BN Shivananju, MK Priydarshi, DR Mahapatra, GM Hegde, S Asokan, SPIE BiOS, San Francisco, California, USA, February 02, 2013, Proc. SPIE 8598, Bioinspired, Biointegrated, Bioengineered Photonic Devices, 85980O (April 12, 2013); doi:10.1117/12.2009620.  

Charge injection through nanocomposite electrode in microfluidic channel for electrical lysis of biological cells, M Mishra, A Krishna, A Chandra, BM Shenoy, GM Hegde, DR Mahapatra, SPIE BiOS, San Francisco, California, USA, February 02, 2013, Proc. SPIE 8570, Frontiers in Biological Detection: From Nanosensors to Systems V, 85700R (March 5, 2013); doi:10.1117/12.2012295.  

Modeling And Simulation of Hydrodynamic Interaction of DNA in a Micro-Fluidic Channel, Raghavan, Sunitha and Mahapatra, Roy D and Samanta, Arnab, 2nd ASME Global Congress on NanoEngineering for Medicine and Biology, FEB 04-06, 2013 , Boston, pp. 23-25.  

Mechanism of Cell Lysis in Microfluidic Channel with Integrated Nanocomposite Electrodes, Madhusmita Mishra, Anil Krishna Koduri, Aman Chandra, Roy D Mahapatra, GM Hegde, 2nd ASME Global Congress on Nanoengineering for Medicine and Biology, FEB 04-06, 2013, Boston, pp. 17-22.  

Identification of different respiratory rate by a piezo polymer based nasal sensor, Roopa G Manjunatha, N Ranjith, YV Meghashree, K Rajanna, D Roy Mahapatra, Sensors, 2013 IEEE Proc. 1-4.  

Improvement in Bone Properties by using Risedronate Adsorbed Hydroxyapatite Novel Nanoparticle Based Formulation in a Rat Model of Osteoporosis, Sahana, H., Khajuria, Deepak Kumar, Razdan, Rema, Mahapatra, D.R., Bhat, M.R., Suresh, Sarasija, Rao, R. Ramachandra, Mariappan, L., Journal of Biomedical Nanotechnology, 9(2), 193-201(9), 2013.  

Comparative Evaluation of Zoledronic Acid, Alfacalcidol and Propranolol in Pharmacological Correction of Experimental Osteoporosis, Choudhary Disha, Deepak Kumar Khajuria, Rema Razdan, D Roy Mahapatra, MR Bhat, Indian Journal Of Pharmacology, 45, S171, 2013.  

Novel Eudragit Coated Alloxan Nanoparticle Based Formulation For Inducing Type 2 Diabetes Mellitus in Rats, DK Khajuria, S Joseph, R Razdan, DR Mahapatra, M Kachroo, R Pai, Journal of Nanopharmaceutics and Drug Delivery 1 (4), 394-403. Comparative evaluation of zoledronic acid, alfacalcidol, and propranolol in pharmacological correction of experimental osteoporosis, Khajuria DK, Disha C, Razdan R, Mahapatra DR, Bhat MR, Latin Am. J. Pharm. 2013; 32: 968-976.  

pH Sensing by Single and Multi-Layer Hydrogel Coated Fiber Bragg Grating, B.N. Shivananju, Manish K. Priydarshi, D. Roy Mahapatra, G.M .Hegde and S. Asokan, Proceedings of the 2012 1st International Symposium on Physics and Technology of Sensors, 8-10th March, 2012, Pune, India. IEEE Conf. Proc. 10.1109/ISPTS.2012.6260883, pp. 74-78, 2012.  

Suppression of air bubble in microfluidic channel using electro-acoustic excitation, Harsh Vardhana, Manish Kumar Priydarshia, D Roy Mahapatra, and Gopalkrishna M Hegde, International Conference on Smart Materials Structures and Systems, Bangalore, India, January 04-07, 2012.  

Use of a 3D-Laser Doppler Velocimetry and SHM of Delamination in T-Beams, S. Hanagud, R. Zaharieva, G. Kolappan Geetha, D. Roy Mahapatra and S. Gopalakrishnan, International Conference on Smart Materials Structures and Systems, Bangalore, India, January 04-07, 2012 Thermally and Piezoelectrically Responsive Soft Actuator Material based on MWCNT-Hydrogel Nano-composite, D. Roy Mahapatra and S. Gopalakrishnan, International Conference on Smart Materials Structures and Systems, Bangalore, India, January 04-07, 2012.  

Drugs for the management of osteoporosis: A review, D.K. Khajuria, R. Razdan, D. Roy Mahapatra, Brazilian Journal of Rheumatology, 51(4), 365-82, 2011.  

Electronic transport properties of alginate based hydrogel under various pH conditions for sensing applications, J. Bhadra, P. Nampoothiri, Manish K. Priydarshi, D. Roy Mahapatra, International Conference on Nanomaterials and Nanotechnology, Tiruchengode, December 13-16, 2010.  

Sensing CaCl2 binding and pH induced strain relaxation by hydrogel coated FBG sensor, P. Nampoothiri, J. Bhadra, D. Roy Mahapatra, G.M. Hegde, B.N. Shivananju, S. Asokan, S. Bandyopadhyay and P. Biswas, International Conference on Nanomaterials and Nanotechnology, Tiruchengode, December 13-16, 2010.  

Effect of Core-shell structure of hydrogel beads on the threshold concentration of water for swelling and its pH sensitivity, Joly Bhadra, Pramod K. Nampoothiri, Kamlesh J. Suthar, D. Roy Mahapatra, ASME 2010 International Congress and Exposition, November 12-18, 2010, Vancouver, British Columbia, Canada. Paper no. IMECE2010-39583.  

Integrating strong and weak discontinuities without integration subcells and example applications in an XFEM/GFEM framework, S. Natarajan, D. Roy Mahapatra, Stéphane P.A. Bordas, Int. J. Numerical Methods in Engineering, 83, 269-294, 2010.  

A Comparative Study of Degradation and Regenerative Phenomena in Ag and Carbon Nanoparticle Coated Ionic-Polymer-Metal Composite (IPMC) Membrane, K. Arvind, P. Bharat, S.V. Anand and D. Roy Mahapatra, Fuel Cell Technologies Conf., Mumbai, 11-13 Nov, 2009.  

Design of cellular composite laminate for vibration and noise control: Effects of inclusions and filling patterns on acoustic bandgap, C. Vijay Kumar and D. Roy Mahapatra, Proc. Conference on Smart Materials Structures and Systems, July 24-26, 2008, Bangalore, India. Paper no. -2008/P-112.  

Wave dispersion in a cellular composite with modulated microstructure, Vijay Kumar and D. Roy Mahapatra, SPIE Proc. Behaviour and Mechanaics of Multifunctional and Composite Materials, Vol No. 6929, DOI:10.1117/12.776323, 2008.  

Modeling the field emission current fluctuation in carbon nanotube thin films, N. Sinha, D. Roy Mahapatra, J.T.W. Yeow and R. Melnik, NSTI Bio-Nanotechnology Conf., May 20-24, 2007, Santa Clara, CA, USA.  

Modelling and analysis of collagen piezoelectricity in human cornea, D. Roy Mahapatra and R.V.N. Melnik, Dynamics of Continuous, Discrete and Impulsive systems: A 3, 377-384, 2006.  

Simulation of RNA silencing pathway based on a generalized amplification model, X.-D. Yang, D. Roy Mahapatra and R.V.N. Melnik, Int. Symp. Computational Biology and Bioinformatics (ISBB’06), Bhubaneshwar, India, Dec 15-17, 2006.  

Numerical models for biocompatible shape memory materials and their biomedical applications, R.V.N. Melnik, L., Wang and D. Roy Mahapatra, Proc. 17th IMACS World Congress on Scientific Computation, Applied Mathematics and Simulation, Paris, France, July 11-15, 2005, #T4-I-22-0126, P. Borne et al. (Eds.), ISBN: 2-915913-02-1.  

Modeling and analysis of piezoelectricity in human cornea, D. Roy Mahapatra and R.V.N. Melnik, International Workshop on Differential Equations and Dynamical Systems, Guelph, Canada, July 29-31, 2005.  

Modelling the effect of surgical stress and bacterial growth in human cornea, D. Roy Mahapatra and R.V.N. Melnik, to appear in the post-conference reviewed proceedings Differential and Difference Equations and Applications, Aug 1-5, 2005, Melbourne, Florida. Book Proc., Eds. Ravi P. Agarwal, and Kanishka Perera, Hindawi, ISBN 977-5945-380, pp.721-732.  

 

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