Sensors, IoT & Advanced Testing Technologies
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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).
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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]
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.
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.
Analysis of constrained piezoelectric layer: A two-dimensional coupled electromechanical model, R. Ali, D. Roy Mahapatra and S. Gopalakrishnan, Ferroelectrics 329, 131-137, 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.
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.
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.
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.
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.
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.
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 spectral estimation and genetic algorithm. A. Nag, D. Roy Mahapatra and S. Gopalakrishnan, Smart Materials and Structures, 11(6), 899-908, 2002.
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.
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.
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]
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] [DOI: 10.1021/acsaem.4c02415]
Broadband Flexible CuPc-PCBM Photodetector with Responsivity in different Spectral Regions, B Nath, PC Ramamurthy, D Roy Mahapatra, G Hegde, IEEE Journal on Flexible Electronics, 2023, 2(2), 209-215.
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]
Flexible Organic Photodetector with High Responsivity in Visible Range, B Nath, P C Ramamurthy, D Roy Mahapatra, G Hegde, 2022 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS), 2022, pp. 1-4.
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.
Ultrasonic Lamb Wave Sensitivity of P(VDF-TrFE) Thin Films, Vivek T. Rathod, Jayanth K. Swamy, Anjana Jain, D. Roy Mahapatra, ISSS Journal of Micro and Smart Systems, 7(1), 35-43, 2018.
Transient dynamic distributed strain sensing using photonic crystal waveguides, H.P. Sagar, V. Mahalingam, D. Roy Mahapatra, G. Hegde, S. Hanagud, and M.R. Rahman, Applied Optics, 56(28), 7877-7885, 2017.
Understanding coupled electro-thermal processes in the catastrophic failure of organic electronic devices, J A Krishnaswamy, G Pavan Kumar, P C Ramamurthy, D Roy Mahapatra, G M Hegde, Organic Electronics, 2016, 39, 354-360.
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.
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.
Understanding degradation phenomena in organic electronic devices, AK Jagdish, G Pavankumar, Praveen C Ramamurthy, D Roy Mahapatra, Gopalkrishna Hegde, SPIE Photonics West, OPTO, San Francisco, California, USA, February 07, 2015, Proc. SPIE 9360, Organic Photonic Materials and Devices XVII, 93600S (March 16, 2015); doi:10.1117/12.2082576.
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.
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.
Ultrasonic-guided wave-sensing properties of PVDF thin film with inter digital electrodes, Vivek T Rathod, 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:10.1117/12.2047314, 90620U-11, 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.
Transient dynamic distributed strain sensing using photonic crystal fibres, SA Samad, GM Hegde, DR Mahapatra, S Hanagud, SPIE Photonics West 2014, Proc. SPIE 8994, Photonic and Phononic Properties of Engineered Nanostructures IV, (February 19, 2014); doi:10.1117/12.2042574, 89940B-10, February 1-6, 2014.
Influence of crack parameters on wavelet energy correlated damage index, MB Panchal, DR Mahapatra, Advances in Vibration Engineering 12 (3), 311-318, 2013.
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.
Large-area piezoceramic coating with IDT electrodes for ultrasonic sensing applications, VT Rathod, DR Mahapatra, AA Jeyaseelan, S Dutta, SPIE Smart Structures and Materials and NDE Conf., San Diego, California, USA, March 10, 2013, Proc. SPIE 8693, Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2013, 86930L (April 11, 2013); doi:10.1117/12.2011495.
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.
Ultrasonic performance of the PVDF thin film sensors under thermal fatigue, Vivek T. Rathod, D. Roy Mahapatra, Anjana Jain, A. Gayathri, Proc. of SPIE Smart Structures/NDE Conference, San Diego, California, USA, 11-15 March, 2012. SPIE Proc. Vol 8342, DOI: 10.1117/12.917603, Published 8 May 2012.
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.
3D Laser Doppler Imaging of Lamb Wave Scattering due to Damage in a Flat Plate: An Investigation on the Guided Energy Modes, G. Kolappan Geetha, V.T. Rathod, N. Chakraborty, M. Fritzscheb, D. Roy Mahapatra, S. Hanagud, S. Gopalakrishnan, SMART 2011 Conf., Saarland University, Saarbrücken, Germany, 6-8 July 2011.
3D Laser Doppler Imaging of Lamb Wave Scattering due to Damage in a Flat Plate: An Investigation on the Guided Energy Modes, G. Kolappan Geetha, V.T. Rathod, N. Chakraborty, M. Fritzsche, D. Roy Mahapatra, S. Hanagud, S. Gopalakrishnan, 5th ECCOMAS Thematic Conf. on Smart Structures and Materials (SMART’11), Fraunhofer IZFP, Saarbrücken, Germany, July 6-8, 2011.
Electromechanical fatigue in IPMC under dynamic energy harvesting conditions, Arvind Krishnaswamy and D. Roy Mahapatra, Proc. of SPIE Smart Structures/ Conference, San Diego, California, USA, 6-10 March, 2011.
Magnetoresistance of flexible -Fe composite thin films in a dynamic electric field, Rejin Isaac and D. Roy Mahapatra, Proc. of SPIE Smart Structures/ Conference, San Diego, California, USA, 6-10 March, 2011.
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.
Size and Temperature Dependent Stability and Phase Transformation in Single-Crystal Zirconium Nanowire, V. Sutrakar and D. Roy Mahapatra, J. Nanoparticle Research 13(10), 5335-5346,2011.
Ultrasonic wave characteristics of monolayer graphene on silicon substrate, S. Narendar, D. Roy Mahapatra and S. Gopalakrishnan, Composite Structures, 93, 1997-2009, 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.
Hydrodynamic energy harvesting using an Ionic Polymer-Metal Composite stack for underwater applications, Arvind Krishnaswamy and D. Roy Mahapatra, ASME 2010 International Congress and Exposition, November 12-18, 2010, Vancouver, British Columbia, Canada. Paper no. IMECE2010-39549.
Characterization of a Large Area PVDF Thin Film for Electro-Mechanical and Ultrasonic Sensing Applications, V.T. Rathod, D. Roy. Mahapatra, Anjana Jain, A. Gayathri, Sensors and Actuators A: Physical, 163, 164-171, 2010.
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.
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.
Energy harvesting using ionic electro-active polymer thin films with Ag-based electrodes, S.V. Anand, K. Arvind, P. Bharath and D. Roy Mahapatra, Smart Materials and Structures, 19, 045026, 2010.
Single and multi-step phase transformation in CuZr nanowire under compressive/tensile loading, Vijay Kumar Sutrakar, D. Roy Mahapatra, Intermetallics, 18(4), 679-687, 2010.
Time Domain Characteristics of Electrical Measures for a Piezoelectric Thin Film to Identify Defects in the Substrate, R. Ali, D.R. Mahapatra and S. Gopalakrishnan, Structural Health Monitoring, 9(2), 173 – 192, 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.
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.
Electrical and magneto-resistance of Co//epoxy thin film for strain and magnetic field sensing, Sandeep V. Anand, Rejin Isaac and D. Roy Mahapatra, Proc. of SPIE Smart Structures/ Conference, 8-12 March, 2009, San Diego, California, USA. 7291, 2009.
Coupled electro-mechanical response of an electroactive polymer cantilever structure and its application in energy harvesting, B. Ahish, S. V. Anand, P. Bharath, K. Arvind, N. Chakraborty and D. Roy Mahapatra, Proc. of SPIE Smart Structures/ Conference, 8-12 March, 2009, San Diego, California, USA, 7287, 2009.
Effects of Isothermal and Adiabatic Thermal Loading on Size and Strain Rate Dependence of Copper Nanowire, Vijay Kumar Sutrakar and D. Roy Mahapatra, Defence Science Journal, 59(3), 252-259, 2009.
Dynamics of polymerized carbon nanotubes in semiconductor polymer electronics and electro-mechanical sensing, Sandeep V Anand and D Roy Mahapatra, Nanotechnology, 20(14), 145707, 2009.
Quasi-static and dynamic strain sensing using carbon nanotube/epoxy nanocomposite thin films, Sandeep V Anand and D Roy Mahapatra, Smart Materiials and Structures, 18(4), 045013, 2009.
Size-dependent thermo-mechanical properties of ultra-stable Cu nanowire, V.K. Sutrakar and D. RoyMahapatra, EMIT08 Int. Conf. Emerging Microelectronics and Interconnection Technologies, Dec 15-18, 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.
A structural health monitoring system using a Lamb wave sensor network and a wavelet energy correlation technique, M.B. Panchal, S.S. Chenagani, D. Roy Mahapatra, S. Gopalakrishnan and M.R. Bhat, Proc. Conference on Smart Materials Structures and Systems, July 24-26, 2008, Bangalore, India. Paper no. -2008/P-111.
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.
Formation of stable ultra-thin pentagon Cu nanowires under high strain rate loading, V. Sutrakar and D. Roy Mahapatra, Journal of Physics: Condensed Matter, 20, 335206, 2008.
Electrostatic measures for a piezoelectric thin film with an embedded crack in the substrate: II. Mode II, R. Ali, D. Roy Mahapatra and S. Gopalakrishnan, Smart Materials and Structures, 17, 025038, 2008.
Electrostatic measures for a piezoelectric thin film with an embedded crack in the substrate: I. Mode I, R. Ali, D. Roy Mahapatra and S. Gopalakrishnan, Smart Materials and Structures, 17, 025037, 2008.
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.
Effects of piezoelectricity and nonlinear strain on quantum dot heterostructures, D. Roy Mahapatra and R.V.N. Melnik, Photonics 2006, Hyderabad, Dec 13-16, 2006.
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.
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.
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.
Constrained piezoelectric thin film for sensing of subsurface cracks, R. Ali, D. Roy Mahapatra and S. Gopalakrishnan. Smart Materials and Structures, 14, 376-386, 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.
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.
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]
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]
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]
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.
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.
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.
Review on nanomaterials-enabled electrochemical sensors for ascorbic acid detection, K Dhara, D Roy Mahapatra, Analytical Biochemistry 586, 113415, 2019.
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.
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.
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).
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.