Journal Papers
·
Numerical integration over arbitrary
polygonal domains based on Schwarz-Christoffel conformal mapping,
Sundararajan Natarajan, St´ephane Bordas and D. Roy Mahapatra, International
Journal for Numerical Methods in Engineering, (In press) 2009. ·
Enhancing
Field Emission from a Carbon Nanotube Array by Lateral Control of
Electrodynamic Force Field, D. Roy Mahapatra, S.V. Anand, N. Sinha and
R.V.N. Melnik, Molecular Simulation, 35(6), 512-519, 2009. ·
The 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 Mater. Struct., 18, No 4, 045013, 2009. ·
Coupled effect of
size, strain rate, and temperature on the shape memory of a pentagonal Cu
nanowire, Vijay Kumar Sutrakar
and D Roy Mahapatra, Nanotechnology, 20 No 4 (28 January 2009) 045701 ·
Constitutive
modeling of shape memory alloy wire with non-local rate kinetics, Vikash
K. Jha and D. Roy Mahapatra, J. Continuum Mechanics and Thermodynamics,
(online) 2009. ·
Stress
induced martensitic phase transformation in Cu-Zr nanowires, Vijay K.
Sutrakar and D. Roy Mahapatra, Materials Letter, (online) March 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, Journal of Sound and Vibration,
320, 915-941, 2009. ·
Wave propagation
in elastic solids undergoing damage and growth process, D. Roy Mahapatra,
Acta Mechanica, 203, 163-181, 2009.
·
Field
emission from strained carbon nanotube on cathode substrate, D. Roy
Mahapatra, ·
Computational
implementation of a new multiphysics model for field emission from CNT 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.
·
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). ·
Coupled
effects in quantum dot nanostructures with nonlinear strain and bridging
modeling scales, Roderick Melnik and Roy Mahapatra, Computers and Structures,
85, 698-711, 2007. (cond-mat/0702577 (Feb 2007)).
·
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, 13, 377-384, 2006. ·
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.
·
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. ·
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. ·
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. ·
Lamb wave characteristics of
thickness-graded piezoelectric IDT, D. Roy Mahapatra, A. Singhal and S.
Gopalakrishnan, Ultrasonics, 43(9), 736-746, 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. ·
Analysis of wave propagation in
beams with transverse and lateral cracks using a weakly formulated spectral
method, N. Hu, H. Fukunaga, M. Kameyama, D. Roy Mahapatra and S.
Gopalakrishnan, ASME Journal of Applied Mechanics (accepted) Dec, 2005. ·
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,
1116-1135, 2006. ·
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.
·
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. ·
Distributed sensing of static and
dynamic fracture in self-sensing piezoelectric composite: finite element
simulation, C.V.S. Sastry, D. Roy Mahapatra, ·
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.
·
Finite element simulation of BAW
propagation in inhomogeneous plate due to piezoelectric actuation, A.
Chakraborty, D. Roy Mahapatra and S. Gopalakrishnan, Lecture Notes in
Computational Science, 2668, 715-724, Springer-Verlag, 2003. ·
A nonlinear spectral finite element
model for analysis of wave propagation in solid with internal friction and
dissipation, D. Roy Mahapatra and S. Gopalakrishnan, Lecture Notes in
Computational Science, 2668, 745-754, Springer-Verlag, 2003. ·
Effect of actuation phase on the ·
An iterative system equivalent
reduction expansion process for extraction of high frequency response from
reduced order finite element model, C.V.S. Sastry, D. Roy Mahapatra, S.
Gopalakrishnan and T.S. Ramamurthy, Computer Methods in Applied Mechanics in
Engineering, 192, 1821-1840, 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, ·
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 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.
·
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. ·
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. ·
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.
· 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. |