Modeling, Simulation & Systems Design
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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).
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.
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.
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.
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.
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.
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.
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 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.
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.
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.
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 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.
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, 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.
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.
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.
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.
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.
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.
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.
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.
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.
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]
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.
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.
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.
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.
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.
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.
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.
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.
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]
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.
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.
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.
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.
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.
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.
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.
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 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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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]
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.
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.
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]
Laser-assisted graphene layer exfoliation from graphite slab, B Javvaji, R Vasireddi, X Zhuang, D Roy Mahapatra, T Rabczuk, Molecular Simulation, 47(18), 1540-1548, 2021.
Mechanical properties of Graphene: molecular dynamic simulation correlated to continuum based scaling laws, B. Javvaji, P.R. Budarapu, V.K. Sutrakar, D. Roy Mahapatra, M. Paggi, G. Zi, T. Rabczuk, Computational Material Science, 2016, 125, 319-327.
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.
Optoelectronic properties of graphene on silicon substrate: effect of defects in graphene, Brahmanandam Javvaji, M Ajmalghan, D Roy Mahapatra, MR Rahman, GM Hegde, SPIE Photonics West, OPTO, San Francisco, California, USA, February 07, 2015, Proc. SPIE 9357, Physics and Simulation of Optoelectronic Devices XXIII, 93571X (March 16, 2015); doi:10.1117/12.2084796.
Modelling of optical transport behavior of organic photovoltaic devices with nano-pillar transparent conducting electrodes, A.K. Jagdish, P.C. Ramamurthy, D. Roy Mahapatra, Gopalkrishna Hegde, J. Appl. Phy. 116 (7), 2014, 074504.
Electronic band structure and photoemission spectra of graphene on silicon substrate, B Javvaji, A Ravikumar, BM Shenoy, DR Mahapatra, MR Rahman, SPIE Photonics West 2014, Proc. SPIE 8980, Physics and Simulation of Optoelectronic Devices XXII, (March 7, 2014); doi:10.1117/12.2042576, 89801B-6, February 1-6, 2014.
Orientation, Size, and Temperature Dependent Ductile Brittle Transition in NiAl Nanowire under Tensile Loading – A Molecular Dynamics Study, V.K. Sutrakar, A.C.R. Pillai and D. Roy Mahapatra, Defence Science Journal, 64(2), 2014, 179-185.
A model of coupled thermal, mechanical, and electrostatic field effects in III-N thin film heterostructures, BM Shenoy, DR Mahapatra, G Hegde, Journal of Applied Physics 114 (4), 044506-044506-8, 2013.
Molecular dynamics simulation of residual stress distribution in nc-Si quantum dot embedded in a-SiO2 due to cooling, Bhamy Maithry Shenoy, Gopalkrishna Hegde and D. Roy Mahapatra, International Conference on Smart Materials Structures and Systems, Bangalore, India, January 04-07, 2012.
Temperature and pressure induced soild-solid to reorientation in FCC metallic nanowire: A molecular dynamic study, V. Sutrakar and D. Roy Mahapatra and A.C. Pillai, J. Physics: Cond. Matter, 24, 015401, 2011 Universal Stability and Temperature Dependent Phase Transformation in Group VIIB-IB Transition Metals FCC Nanowire, V. Sutrakar and D. Roy Mahapatra, J. Physical Chemistry C 2011, 115, 10394–10398.
Designing copper–zirconium based nanowires for improving yield strength and plasticity by configuring surface atoms, Vijay Sutrakar and D. Roy Mahapatra, Journal of Nanoparticle Research, 13(12), 6907-6918, 2011.
Investigation of the effect of nonlocal Scale on ultrasonic wave dispersion characteristics of a monolayer graphene, S. Narendar, D. Roy Mahapatra and S. Gopalakrishnan, Computational Material Science, 49, 734-742, 2010.
Modeling of cohesive zone crack and growth in Ni-Al thin film using MD-XFEM based approach, Gaurav Singh, Vijay Sutrakar and D. Roy Mahapatra, ASME 2010 International congress and Exposition, November 12-18, 2010, Vancouver, British Columbia, Canada, Paper no. IMECE2010-37868.
Asymmetry in structural and thermo-mechanical behaviour of intermetallic NiAl nanowire under tensile/compressive loading: A molecular dynamic study, Vijay Kumar Sutrakar and D. Roy Mahapatra, Intermetallics, 18, 1565-1571, 2010.
Superplasticity in intermetallic NiAl nanowires via atomistic simulations, Vijay Kumar Sutrakar, D. Roy Mahapatra, Materials Letter, 64(7), 879-881, 2010.
An Ultra-Stable Cu Nanowire under Thermo-Mechanical Loading: A Molecular Dynamic Study, Vijay Kumar Sutrakar and D. Roy Mahapatra, International Journal of Micro and Nano Systems, 1(1), 49-56, 2009.
Size-dependent and strain rate effects in quantum dot nanostructures with molecular dynamic simulations, Roy Mahapatra, Vijay K. Sutrakar and R.V.N. Melnik, Congress on Computational Mechanics, Ohahio, USA, July 16-19, 2009.
Computational implementation of a new multiphysics model for field emission from thin films, N. Sinha, D. Roy Mahapatra, R.V.N. Melnik and J.T.W. Yeow, Lecture Notes in Computer Science, Springer, 5102, 197-206, 2008.
An ultra-stable Cu nanowire under thermo-mechanical loading: A molecular dynamic study, V.K. Sutrakar and D. Roy Mahapatra, Proc. Conference on Smart Materials Structures and Systems, July 24-26, 2008, Bangalore, India. Paper no. -2008/P-98.
Ultrasonic signal sensitivity due to crack parameters and computational approach based on wavelet energy correlated damage index, M. Panchal, D. Roy Mahapatra, S. Gopalakrishnan and M.R. Bhat, AIAA Structures, Structural Dynamics and Materials Conf., AIAA-2008-2013, Schaumburg, IL, April 7-10, 2008.
Computational implementation of a new multiphysics model for field emission from thin films, N. Sinha, D. Roy Mahapatra, R.V.N. Melnik, J.T.W. Yeow, Lecture Notes in Computer Science, Computational Science ICCS 2008, Vol. 5102, 197-206, 2008.
Optoelectronic properties of ZnO/ZnMgO quantum well lasers with coupled self-consistent models, R.V.N. Melnik, M. Willatzen, D. Roy Mahapatra and L.C.L.Y. Voon, SPIE Optics and Photononics Conf., 26-30 August, 2007, San Diego, USA. Paper no. 6645-34.
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.
Multi-physics self-consistent modeling in nanotechnological applications: quantum dots and quantum-well lasers, R. Melnik, D. Roy Mahapatra, M. Willatzen, B. Lassen and L.C. Lew Yan Voon, Computational Methods for Coupled Problems in Science and Engineering II: Coupled Problems 2007, Eds. E. Onate, M. Papadrakakis and B. Schrefler, pp. 499-502 (ISBN: 978-84-96736-18-4) Barcelona, Spain, May 2007.
Multiscale modeling of quantum dots: Between atomistic and continuum worlds, R.V.N. Melnik, D. Roy Mahapatra, M. Willatzen, B. Lassen and L.C.L. Yan Voon, Meso Mechanics 2007, May 13-17, Presqu’île de Giens southern France.
Modeling the field emission current fluctuation in carbon nanotube Thin Films, N. Sinha, D. Roy Mahapatra, J.T.W. Yeow and R.V.N. Melnik, arXiv:0704.1682 (April 2007).
Carbon nanotube thin film field emitting diode: Understanding the system response based on multiphysics modelling, N. Sinha, D. Roy Mahapatra, J.T.W. Yeow, R.V.N. Melnik and D.A. Jaffray, J. Computational and Theoretical Nanoscience, 4, 1-15, 2007.
Coupled effects in quantum dot nanostructures with nonlinear strain and bridging modelling scales, D. Roy Mahapatra and R. Melnik, Computers and Structures, 85, 698-711, 2007.
Finite element modelling and simulation of phase transformations in shape memory alloy thin films, D. Roy Mahapatra and R.Melnik, Intl. J. Multiscale Computational Engineering, 1, 65-71, 2007.
Analysis of low-dimensional semiconductor nanostructures with a self-consistent iterative scheme, D. Roy Mahapatra and R. Melnik, SPIE Proc. 6415A, Conf.Smart Materials, Nano- and Micro-Smart Systems, Adelaide, Dec 10-13, 2006.
Poisson-Schrödinger model in the analysis of coupled effects in quantum well nanostructures, D. Roy Mahapatra, R. Melnik, M. Willatzen, B. Lassen, L.C. Lew Yan Voon, IEEE Publication, Proceedings of COMMAD’06 (The 2006 Conference on Optoelectronic and Microelectronic Materials and Devices), Perth, Australia, Dec 6-8, 2006.
Modeling and analysis of PVDF copolymer-ceramic composite thin film, D. Roy Mahapatra and R.V.N. Melnik, 5th Int. Conf. Engineering Computational Technology (ECT), Sep 12-15, 2006, Gran Canaria, Spain.
Multiphysics modeling of heterojunction quantum dots, L.Y. Voon, R.V.N. Melnik, D. Roy Mahapatra, Kurt Eying and Jeremy Pitz, 7th World Congress on Computational Mechanics (WCCM06), Symp. Coupled and Transport Processes in Micro and Nano Technology, Los Angeles, CA, July 16-22, 2006.
A coupled quantum-hydrodynamic model for field-emission from carbon nanotube thin film, N. Sinha, D. Roy Mahapatra, J.T.W. Yeow, R.V.N. Melnik and D.A. Jaffray, Symp. Transport and Coupled Processes in Micro and Nano Technology, 7th World Congress on Computational Mechanics (WCCM06), Los Angeles, California, July 16-22, 2006.
Theoretical and experimental characterization of self-assembly and evolution in carbon nanotube thin film during field emission, N. Sinha, D. Roy Mahapatra, J.T.W. Yeow, R.V.N. Melnik and D.A. Jaffray, IEEE-Nano2006, Cincinnati, July 16-20, 2006.
Numerical simulation of phase transformations in shape memory alloy thin films, D. Roy Mahapatra and R.V.N. Melnik Int. Conf. Computational Science ICCS06, Symp. Simulations of Multiphysics and Multiscale Systems, Reading, UK, May 28-31, 2006, Springer LNCS vol. 3992, 114-121.
Modeling the mesoscopic dynamics of piezoelectric polymer thin film, D. Roy Mahapatra and R.V.N. Melnik, SPIE Smart Structure/ Conf., San Diego California, Feb 26 – March 2, 2006. SPIE paper no. 6168-83.
A quasi-three-dimensional approach to modeling and analysis of a constrained thin film, R. Ali, D. Roy Mahapatra and S. Gopalakrishnan, Acta Materialia 54, 5529-5540, 2006.
Multiscale finite element modelling of pattern formation in magnetostrictive composite thin film, D. Roy Mahapatra, D.P. Ghosh and S. Gopalakrishnan, Int. J. Multiscale Computational Engineering 4(3), 337-349, 2006.
Finite element analysis of phase transformation dynamics in shape memory alloys with a consistent Landau-Ginzburg free energy model, D. Roy Mahapatra and R.V.N. Melnik, Mechanics of Advanced Materials and Structures, 13, 443-455, 2006.
Multiscale finite element modeling of the coupled nonlinear dynamics of magnetostrictive composite thin film, D. Roy Mahapatra, D.P. Ghosh and S. Gopalakrishnan, LNCS Springer-Verlag, 3516, 1-8, 2005.
Dynamics of multivariant phase transformation in shape memory materials: A microscopic theory to device scale simulation, D. Roy Mahapatra and R.V.N. Melnik, Proc. 2005 International Conference on Smart Materials Structures and Systems, pp. SC-25-32, Bangalore, India, July 28-30, 2005.
Computation of phase transformation dynamics in shape memory alloys based on a Landau-Ginzburg free energy model, D. Roy Mahapatra and R.V.N. Melnik, Proc. II ECCOMAS Thematic Conference on Smart Structures and Materials, C.A. Mota Soares et al. (Eds.) Lisbon, Portugal, July 18-21, 2005.
A 3D finite element model of martensitic transformation dynamics using a consistent microscopic energy representation, D. Roy Mahapatra and R.V.N. Melnik, 7th International Conference on Mathematical and Numerical Aspects of Waves (WAVES’05), Brown University, USA, June 20-24, 2005.
Multiscale finite element modeling of the coupled nonlinear dynamics of magnetostrictive composite thin film, D. Roy Mahapatra, D.P. Ghosh and S. Gopalakrishnan, Simulation of Multiscale Multiphysics Systems, International Conference on Computational Science (ICCS’05), May 22-25, 2005, Atlanta, USA.
An analytical model of constrained piezoelectric thin film sensors, R. Ali, D. Roy Mahapatra and S. Gopalakrishnan, Sensors and Actuators A: Physical, 116, 424-437, 2004.
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]
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.
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.
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]
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.
Optimization of a Diaphragm for a Micro-Shock Tube-Based Drug Delivery Method, VT Rathod, DR Mahapatra, Bioengineering, 2017, 4 (1), 24.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.