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Gopalakrishnan, S. ; Ramabathiran, Amuthan Arunkumar (2014) Comparative study of different nonconserving time integrators for wave propagation in hyperelastic waveguides Acta Mechanica, 225 (10). pp. 2789-2814. ISSN 0001-5970

Ramabathiran, Amuthan Arunkumar ; Gopalakrishnan, S. (2014) Automatic finite element formulation and assembly of hyperelastic higher order structural models Applied Mathematical Modelling, 38 (11-12). pp. 2867-2883. ISSN 0307-904X

Samaratunga, Dulip ; Jha, Ratneshwar ; Gopalakrishnan, S. (2014) Wavelet spectral finite element for wave propagation in shear deformable laminated composite plates Composite Structures, 108 . pp. 341-353. ISSN 0263-8223

Chellappan, Vinita ; Gopalakrishnan, S. ; Mani, V. (2014) Frequency domain based solution for certain class of wave equations: an exhaustive study of numerical solutions CMES: Computer Modeling in Engineering & Sciences, 97 (2). pp. 131-174. ISSN 1526-1492

Narendar, S. ; Gopalakrishnan, S. (2014) A nonlocal continuum mechanics model for analyzing the terahertz flexural wave dispersion characteristics of a monolayer graphene embedded in elastic medium International Journal for Computational Methods in Engineering Science and Mechanics, 15 (1). pp. 62-68. ISSN 1550-2287

Ajith, V. ; Gopalakrishnan, S. (2013) Wave propagation in stiffened structures using spectrally formulated finite element European Journal of Mechanics - A/Solids, 41 . pp. 1-15. ISSN 0997-7538

Ajith, V. ; Gopalakrishnan, S. (2013) Wave propagation in a porous composite beam: Porosity determination, location and quantification International Journal of Solids and Structures, 50 (3-4). pp. 556-569. ISSN 0020-7683

Ajith, V. ; Gopalakrishnan, S. (2013) Wave propagation in a porous composite beam: porosity determination, location and quantification International Journal of Solids and Structures, 50 (3-4). pp. 556-569. ISSN 0020-7683

Prasanna Kumar, T. J. ; Narendar, S. ; Gopalakrishnan, S. (2013) Thermal vibration analysis of monolayer graphene embedded in elastic medium based on nonlocal continuum mechanics Composite Structures, 100 . pp. 332-342. ISSN 0263-8223

Gopalakrishnan, S. (2013) Lamb wave propagation in laminated composite structures Journal of the Indian Institute of Science, 93 (4). pp. 699-713. ISSN 0970-4140

Gopalakrishnan, S. (2013) Wave propagation in structures with periodic defects Proceedings of the Indian National Science Academy - Part B: Biological Sciences, 79 (4). pp. 615-624. ISSN 0073-6600

Ramabathiran, Amuthan Arunkumar ; Gopalakrishnan, S. (2012) Automatic energy–momentum conserving time integrators for hyperelastic waves Journal of Computational and Applied Mathematics, 236 (18). pp. 4700-4711. ISSN 0377-0427

Narendar, S. ; Gopalakrishnan, S. (2012) Nonlocal continuum mechanics based ultrasonic flexural wave dispersion characteristics of a monolayer graphene embedded in polymer matrix Composites Part B: Engineering, 43 (8). pp. 3096-3103. ISSN 1359-8368

Deepak, B. P. ; Ganguli, Ranjan ; Gopalakrishnan, S. (2012) Dynamics of rotating composite beams: a comparative study between CNT reinforced polymer composite beams and laminated composite beams using spectral finite elements International Journal of Mechanical Sciences, 64 (1). pp. 110-126. ISSN 0020-7403

Narendar, S. ; Gopalakrishnan, S. (2012) Study of terahertz wave propagation properties in nanoplates with surface and small-scale effects International Journal of Mechanical Sciences, 64 (1). pp. 221-231. ISSN 0020-7403

Narendar, S. ; Gupta, S. S. ; Gopalakrishnan, S. (2012) Wave propagation in single-walled carbon nanotube under longitudinal magnetic field using nonlocal Euler–Bernoulli beam theory Applied Mathematical Modelling, 36 (9). pp. 4529-4538. ISSN 0307-904X

Jalan, S. K. ; NageswaraRao, B. ; Gopalakrishnan, S. (2012) Development of empirical relations for the transversely isotropic properties of zigzag, armchair and chiral single-walled carbon nanotubes Advanced Composites Letters, 21 (4). pp. 93-99. ISSN 0963-6935

Chakraborty, N. ; Rathod, V. T. ; Roy, Mahapatra D. ; Gopalakrishnan, S. (2012) Guided wave based detection of damage in honeycomb core sandwich structures NDT & E International, 49 . pp. 27-33. ISSN 0963-8695

Satish, N. ; Narendar, S. ; Gopalakrishnan, S. (2012) Thermal vibration analysis of orthotropic nanoplates based on nonlocal continuum mechanics Physica E: Low-dimensional Systems and Nanostructures, 44 (9). pp. 1950-1962. ISSN 1386-9477

Narendar, S. ; Ravinder, S. ; Gopalakrishnan, S. (2012) Study of non-local wave properties of nanotubes with surface effects Computational Materials Science, 56 . pp. 179-184. ISSN 0927-0256

Narendar, S. ; Gopalakrishnan, S. (2012) Temperature effects on wave propagation in nanoplates Composites Part B: Engineering, 43 (3). pp. 1275-1281. ISSN 1359-8368

Narendar, S. ; Gopalakrishnan, S. (2012) Scale effects on buckling analysis of orthotropic nanoplates based on nonlocal two-variable refined plate theory Acta Mechanica, 223 (2). pp. 395-413. ISSN 0001-5970

Narendar, S. ; Gopalakrishnan, S. (2012) A nonlocal continuum mechanics model to estimate the material property of single-walled carbon nanotubes International Journal of Nanoscience, 11 (1). Article ID 1250007-8 pages. ISSN 0219-581X

Narendar, S. ; Gopalakrishnan, S. (2012) Nonlocal continuum mechanics formulation for axial, flexural, shear and contraction coupled wave propagation in single walled carbon nanotubes Latin American Journal of Solids and Structures, 9 (4). pp. 497-513. ISSN 1679-7825

Narendar, Saggam ; Gopalakrishnan, Srinivasan (2012) Scale effects on ultrasonic wave dispersion characteristics of monolayer graphene embedded in an elastic medium Journal of Mechanics of Materials and Structures, 7 (5). pp. 413-434. ISSN 1559-3959

Narendar, S. ; Ravinder, S. ; Gopalakrishnan, S. (2012) Strain gradient torsional vibration analysis of micro/nano rods International Journal of Nano Dimension, 3 (1). pp. 1-17. ISSN 2008-8868

Ramabathiran, Amuthan Arunkumar ; Gopalakrishnan, S. (2012) Time and frequency domain finite element models for axial wave analysis in hyperelastic rods Mechanics of Advanced Materials and Structures, 19 (1-3). pp. 79-99. ISSN 1537-6494

Kishor, Krishna D. ; Ganguli, Ranjan ; Gopalakrishnan, S. (2012) Uncertainty quantification of sloshing motion in partially filled rectangular tanks International Journal for Computational Methods in Engineering Science and Mechanics, 13 (3). pp. 146-160. ISSN 1550-2287

Narendar, S. ; Gopalakrishnan, S. (2011) Nonlocal thermoelastic damping in carbon nanotube NanoTrends: A Journal of Nanotechnology and Its Applications, 11 (2). pp. 14-24. ISSN 0973-418X

Narendar, S. ; Gupta, S. S. ; Gopalakrishnan, S. (2011) Longitudinal magnetic field effect on nonlocal ultrasonic vibration analysis of single-walled carbon nanotubes based on wave propagation approach Advanced Science Letters, 4 (11-12). pp. 3382-3389. ISSN 1936-6612

Narendar, S. ; Gopalakrishnan, S. (2011) A Revisit to capture the entire behavior of ultrasonic wave dispersion characteristics of single walled carbon nanotubes based on nonlocal elasticity theory and Flügge shell model Journal of Computational and Theoretical Nanoscience, 8 (10). pp. 1933-1944. ISSN 1546-1955

Trikha, M. ; Gopalakrishnan, S. ; Mahapatra, D. Roy (2011) Analysis of dynamic stability of space launch vehicles under aerodynamic forces using CFD derived data International Journal for Computational Methods in Engineering Science and Mechanics, 12 (5). pp. 213-224. ISSN 1550-2287

Narendar, S. ; Gopalakrishnan, S. (2011) Spectral finite element formulation for nanorods via nonlocal continuum mechanics Journal of Applied Mechanics, 78 (6). Article ID 061018-9 pages. ISSN 0021-8936

Kishor, Krishna D. ; Ganguli, Ranjan ; Gopalakrishnan, S. (2011) Uncertainty analysis of vibrational frequencies of an incompressible liquid in a rectangular tank with and without a baffle using polynomial chaos expansion Acta Mechanica, 220 (1-4). pp. 257-273. ISSN 0001-5970

Ajith, V. ; Gopalakrishnan, S. (2011) Spectral element approach to wave propagation in uncertain composite beam structures Journal of Vibration and Acoustics, 133 (5). Article ID 051006-19 pages. ISSN 1048-9002

Narendar, S. ; Roy Mahapatra, D. ; Gopalakrishnan, S. (2011) Ultrasonic wave characteristics of a monolayer graphene on silicon substrate Composite Structures, 93 (8). pp. 1997-2009. ISSN 0263-8223

Narendar, S. ; Roy Mahapatra, D. ; Gopalakrishnan, S. (2011) Prediction of nonlocal scaling parameter for armchair and zigzag single-walled carbon nanotubes based on molecular structural mechanics, nonlocal elasticity and wave propagation International Journal of Engineering Science, 49 (6). pp. 509-522. ISSN 0020-7225

Krishna Kishor, D. ; Gopalakrishnan, S. ; Ganguli, Ranjan (2011) Three-dimensional sloshing: a consistent finite element approach International Journal for Numerical Methods in Fluids, 66 (3). pp. 345-376. ISSN 0271-2091

Omkar, S. N. ; Senthilnath, J. ; Khandelwal, Rahul ; Narayana Naik, G. ; Gopalakrishnan, S. (2011) Artificial Bee Colony (ABC) for multi-objective design optimization of composite structures Applied Soft Computing, 11 (1). pp. 489-499. ISSN 1568-4946

Narendar, S. ; Gopalakrishnan, S. (2011) Axial wave propagation in coupled nanorod system with nonlocal small scale effects Composites Part B: Engineering, 42 (7). pp. 2013-2023. ISSN 1359-8368

Narendar, S. ; Gopalakrishnan, S. (2011) Critical buckling temperature of single-walled carbon nanotubes embedded in a one-parameter elastic medium based on nonlocal continuum mechanics Physica E: Low-dimensional Systems and Nanostructures, 43 (6). pp. 1185-1191. ISSN 1386-9477

Narayana Naik, G. ; Omkar, S. N. ; Mudigere, Dheevatsa ; Gopalakrishnan, S. (2011) Nature inspired optimization techniques for the design optimization of laminated composite structures using failure criteria Expert Systems with Applications, 38 (3). pp. 2489-2499. ISSN 0957-4174

Narendar, S. ; Gopalakrishnan, S. (2011) Nonlocal wave propagation in rotating nanotube Results in Physics, 1 (1). pp. 17-25. ISSN 2211-3797

Narendar, S. ; Ravinder, S. ; Gopalakrishnan, S. (2011) Surface effects on nonlocal critical buckling temperature of nanotubes Nanomechanics Science and Technology: An International Journal, 2 (4). pp. 295-308. ISSN 1947-5748

Gangadharan, R. ; Murthy, C. ; Gopalakrishnan, S. ; Bhat, M. (2011) Time reversal health monitoring of composite plates using lamb waves International Journal of Aerospace Innovations, 3 (3). p. 131. ISSN 1757-2258

Gangadharan, R. ; Murthy, C. R. L. ; Gopalakrishnan, S. ; Bhat, M. R. (2010) Characterization of cracks and delaminations using PWAS AD lamb wave based time-frequency methods International Journal on Smart Sensing and Intelligent Systems, 3 (4). pp. 703-735. ISSN 1178-5608

Anandatheertha, Sunil ; Naik, Narayana G. ; Gopalakrishnan, S. ; Rao, Subba P. (2010) High accuracy curve fits for chirality, length and diameter dependent initial modulus of single walled carbon nanotubes Physica E: Low-dimensional Systems and Nanostructures, 43 (1). pp. 252-255. ISSN 1386-9477

Giridhara, G. ; Rathod, V. T. ; Naik, S. ; Roy, Mahapatra D. ; Gopalakrishnan, S. (2010) Rapid localization of damage using a circular sensor array and Lamb wave based triangulation Mechanical Systems and Signal Processing, 24 (8). pp. 2929-2946. ISSN 0888-3270

Narendar, S. ; Gopalakrishnan, S. (2010) Strong nonlocalization induced by small scale parameter on terahertz flexural wave dispersion characteristics of a monolayer graphene Physica E: Low-dimensional Systems and Nanostructures, 43 (1). pp. 423-430. ISSN 1386-9477

Narendar, Saggam ; Gopalakrishnan, Srinivasan (2010) Theoretical estimation of length dependent in-plane stiffness of single walled carbon nanotubes using the nonlocal elasticity theory Journal of Computational and Theoretical Nanoscience, 7 (11). pp. 2349-2354. ISSN 1546-1955

Narendar, S. ; Roy, Mahapatra D. ; Gopalakrishnan, S. (2010) Investigation of the effect of nonlocal scale on ultrasonic wave dispersion characteristics of a monolayer graphene Computational Materials Science, 49 (4). pp. 734-742. ISSN 0927-0256

Trikha, M. ; Roy, Mahapatra D. ; Gopalakrishnan, S. ; Pandiyan, R. (2010) Structural stability of slender aerospace vehicles: part II International Journal of Mechanical Sciences, 52 (9). pp. 1145-1157. ISSN 0020-7403

Trikha, M. ; Roy, Mahapatra D. ; Gopalakrishnan, S. ; Pandiyan, R. (2010) Structural stability of slender aerospace vehicles: part I International Journal of Mechanical Sciences, 52 (7). pp. 937-951. ISSN 0020-7403

Kishor, Krishna D. ; Gopalakrishnan, S. ; Ganguli, Ranjan (2010) A Legendre spectral element model for sloshing and acoustic analysis in nearly incompressible fluids Journal of Computational Physics, 229 (7). pp. 2605-2624. ISSN 0021-9991

Narendar, S. ; Gopalakrishnan, S. (2010) Nonlocal scale effects on ultrasonic wave characteristics of nanorods Physica E: Low-dimensional Systems and Nanostructures, 42 (5). pp. 1601-1604. ISSN 1386-9477

Narendar, S. ; Gopalakrishnan, S. (2010) Terahertz wave characteristics of a single-walled carbon nanotube containing a fluid flow using the nonlocal Timoshenko beam model Physica E: Low-dimensional Systems and Nanostructures, 42 (5). pp. 1706-1712. ISSN 1386-9477

Ali, R. ; Mahapatra, D. R. ; Gopalakrishnan, S. (2010) Time domain characteristics of electrical measures for a piezoelectric thin film to identify defects in the substrate Structural Health Monitoring, 9 (2). pp. 173-192. ISSN 1475-9217

Sudhakar, V. ; Vijayaraju, K. ; Gopalakrishnan, S. (2010) Development of a new finite element for the analysis of sandwich beams with soft core Journal of Sandwich Structures and Materials, 12 (6). p. 649. ISSN 1099-6362

Ajith, V. ; Gopalakrishnan, S. (2010) Spectral element approach to wave propagation in uncertain beam structures Journal of Mechanics of Materials and Structures, 5 (4). pp. 637-659. ISSN 1559-3959

Narendar, S. ; Gopalakrishnan, S. (2010) Ultrasonic wave characteristics of nanorods via nonlocal strain gradient models Journal of Applied Physics, 107 (8). Article ID 084312. ISSN 0021-8979

Gangadharan, R. ; Bhat, M. R. ; Murthy, C. R. L. ; Gopalakrishnan, S. (2010) A geodesic-based triangulation technique for damage location in metallic and composite plates Smart Materials and Structures, 19 (11). Article ID 115010. ISSN 0964-1726

Narendar, S. ; Gopalakrishnan, S. (2009) Nonlocal scale effects on wave propagation in multi-walled carbon nanotubes Computational Materials Science, 47 (2). pp. 526-538. ISSN 0927-0256

Gangadharan, R. ; Murthy, C. R. L. ; Gopalakrishnan, S. ; Bhat, M. R. (2009) Time reversal technique for health monitoring of metallic structure using lamb waves Ultrasonics, 49 (8). pp. 696-705. ISSN 0041-624X

Omkar, S. N. ; Khandelwal, Rahul ; Ananth, T. V. S. ; Naik, Narayana G. ; Gopalakrishnan, S. (2009) Quantum behaved Particle Swarm Optimization (QPSO) for multi-objective design optimization of composite structures Expert Systems with Applications, 36 (8). pp. 11312-11322. ISSN 0957-4174

Mitra, Mira ; Gopalakrishnan, S. (2009) Wave propagation in multi-walled carbon nanotube Computational Materials Science, 45 (2). pp. 411-418. ISSN 0927-0256

Gangadharan, R. ; Roy, Mahapatra D. ; Gopalakrishnan, S. ; Murthy, C. R. L. ; Bhat, M. R. (2009) On the sensitivity of elastic waves due to structural damages: time–frequency based indexing method Journal of Sound and Vibration, 320 (4-5). pp. 915-941. ISSN 0022-460X

Gangadharan, R. ; Prasanna, G. ; Bhat, M. R. ; Murthy, C. R. L. ; Gopalakrishnan, S. (2009) Acoustic emission source location and damage detection in a metallic structure using a graph-theory-based geodesic approach Smart Materials and Structures, 18 (11). Article ID 115022. ISSN 0964-1726

Gangadharan, R. ; Prasanna, G. ; Bhat, M. R. ; Murthy, C. R. L. ; Gopalakrishnan, S. (2009) Acoustic emission source location in composite structure by Voronoi construction using geodesic curve evolution The Journal of the Acoustical Society of America, 126 (5). p. 2324. ISSN 0001-4966

Trikha, M. ; Gopalakrishnan, S. ; Roy, Mahapatra D. ; Pandiyan, R. (2009) Dynamic instabilities in slender space launch vehicles under propulsive thrust and aerodynamic forces CMES: Computer Modeling in Engineering & Sciences, 45 (2). pp. 97-139. ISSN 1526-1492

Giridhara, G ; Gopalakrishnan, S (2009) Frequency domain based damage index for structural health monitoring Structural Durability & Health Monitoring, 5 (1). pp. 1-32. ISSN 1930-2983

Omkar, S. N. ; Khandelwal, Rahul ; Yathindra, Santhosh ; Naik, Narayana G. ; Gopalakrishnan, S. (2008) Artificial immune system for multi-objective design optimization of composite structures Engineering Applications of Artificial Intelligence, 21 (8). pp. 1416-1429. ISSN 0952-1976

Omkar, S. N. ; Mudigere, Dheevatsa ; Naik, Narayana G. ; Gopalakrishnan, S. (2008) Vector evaluated particle swarm optimization (VEPSO) for multi-objective design optimization of composite structures Computers & Structures, 86 (1-2). pp. 1-14. ISSN 0045-7949

Gupta, Priyank ; Giridhara, G. ; Gopalakrishnan, S. (2008) Damage detection based on damage force indicator using reduced-order FE models International Journal for Computational Methods in Engineering Science and Mechanics, 9 (3). pp. 154-170. ISSN 1550-2287

Narayana Naik, G. ; Gopalakrishnan, S. ; Ganguli, Ranjan (2008) Design optimization of composites using genetic algorithms and failure mechanism based failure criterion Composite Structures, 83 (4). pp. 354-367. ISSN 0263-8223

Ali, Rizwaan ; Mahapatra, D Roy ; Gopalakrishnan, S (2008) Electrostatic measures for a piezoelectric thin film with an embedded crack in the substrate: I. Mode I Smart Materials and Structures, 17 (2). Article ID 025037. ISSN 0964-1726

Ali, Rizwaan ; Mahapatra, D Roy ; Gopalakrishnan, S (2008) Electrostatic measures for a piezoelectric thin film with an embedded crack in the substrate: II. Mode II Smart Materials and Structures, 17 (2). Article ID 025038. ISSN 0964-1726

Apetre, N. ; Ruzzene, M. ; Hanagud, S. ; Gopalakrishnan, S. (2008) Spectral and perturbation analysis of first-order beams with notch damage Journal of Applied Mechanics, 75 (3). Article ID 031019. ISSN 0021-8936

Mitra, Mira ; Gopalakrishnan, S. (2008) Wave characteristics of multi-walled carbon nanotubes Computer Modeling in Engineering & Sciences, 27 (2). pp. 125-136. ISSN 1526-1492

Mitra, Mira ; Gopalakrishnan, S. (2008) Wave propagation analysis in anisotropic plate using wavelet spectral element approach Journal of Applied Mechanics, 75 (1). Article ID 014504. ISSN 0021-8936

Apetre, Nicole ; Ruzzene, Massimo ; Hanagud, Sathyanaraya ; Gopalakrishnan, S. (2008) A wave-based damage index for the analysis of the filtered response of damaged beams Journal of Mechanics of Materials and Structures, 3 (9). pp. 1605-1623. ISSN 1559-3959

Vinod, K. G. ; Gopalakrishnan, S. ; Ganguli, Ranjan (2007) Free vibration and wave propagation analysis of uniform and tapered rotating beams using spectrally formulated finite elements International Journal of Solids and Structures, 44 (18-19). pp. 5875-5893. ISSN 0020-7683

Hu, N. ; Wang, H. H. ; Yan, B. ; Fukunaga, H. ; Mahapatra Roy, D. ; Gopalakrishnan, S. (2007) The partition of unity finite element method for elastic wave propagation in Reissner–Mindlin plates International Journal for Numerical Methods in Engineering, 70 (12). pp. 1451-1479. ISSN 0029-5981

Sahoo, Niranjan ; Mahapatra, D. R. ; Jagadeesh, G. ; Gopalakrishnan, S. ; Reddy, K. P. J. (2007) Design and analysis of a flat accelerometer-based force balance system for shock tunnel testing Measurement, 40 (1). pp. 93-106. ISSN 0263-2241

Vignesh, P. S. ; Mitra, Mira ; Gopalakrishnan, S. (2007) Nano-composite insert in 1D waveguides for control of elastic power flow Nanotechnology, 18 (3). Article ID 035706. ISSN 0957-4484

Hu, N. ; Fukunaga, H. ; Kameyama, M. ; Mahapatra, Roy D. ; Gopalakrishnan, S. (2007) Analysis of wave propagation in beams with transverse and lateral cracks using a weakly formulated spectral method Journal of Applied Mechanics, 74 (1). pp. 119-127. ISSN 0021-8936

Tabrez, Shamsh ; Mitra, Mira ; Gopalakrishnan, S. (2007) Modeling of degraded composite beam due to moisture absorption for wave based detection CMES: Computer Modeling in Engineering & Sciences, 22 (1). pp. 77-90. ISSN 1526-1492

Kumar, A. ; Gopalakrishnan, S. ; Chakraborty, A. (2007) Modified virtual crack-closure technique using spectral element method International Journal of Computational Methods, 04 (01). p. 109. ISSN 0219-8762

Mitra, Mira ; Gopalakrishnan, S. (2007) Vibrational characteristics of single-walled carbon-nanotube: time and frequency domain analysis Journal of Applied Physics, 101 (11). Article ID 114320. ISSN 0021-8979

Mitra, Mira ; Gopalakrishnan, S. (2007) Wave propagation in imperfectly bonded single walled carbon nanotube-polymer composites Journal of Applied Physics, 102 (8). Article ID 084301. ISSN 0021-8979

Mitra, Mira ; Gopalakrishnan, S. (2007) Wavelet spectral element for wave propagation studies in pressure loaded axisymmetric cylinders Journal of Mechanics of Materials and Structures, 2 (4). pp. 753-772. ISSN 1559-3959

Mitra, Mira ; Gopalakrishnan, S. (2007) Wavelet spectral element for wave propagation studies in pressure loaded axisymmetric cylinders Journal of Mechanics of Materials and Structures, 2 (4). pp. 753-772. ISSN 1559-3959

Murthy, M. V. V. S. ; Gopalakrishnan, S. ; Nair, P. S. (2007) A new locking free higher order finite element formulation for composite beams Computers, Materials & Continua (CMC), 5 (1). pp. 43-62. ISSN 1546-2218

Ghosh, D. P. ; Gopalakrishnan, S. (2007) A superconvergent finite element for composite beams with embedded magnetostrictive patches Composite Structures, 79 (3). pp. 315-330. ISSN 0263-8223

Ali, Rizwan ; Mahapatra, D. R. ; Gopalakrishnan, S. (2006) A quasi-three-dimensional approach to modeling and analysis of a constrained piezoelectric thin film Acta Materialia, 54 (20). pp. 5529-5540. ISSN 1359-6454

Sridhar, R. ; Chakraborty, A. ; Gopalakrishnan, S. (2006) Wave propagation analysis in anisotropic and inhomogeneous uncracked and cracked structures using pseudospectral finite element method International Journal of Solids and Structures, 43 (16). pp. 4997-5031. ISSN 0020-7683

Sridhar, R. ; Chakraborty, A. ; Gopalakrishnan, S. (2006) Wave propagation analysis in anisotropic and inhomogeneous uncracked and cracked structures using pseudospectral finite element method International Journal of Solids and Structures, 43 (16). pp. 4997-5031. ISSN 0020-7683

Kumar, Sreekanth D. ; Mahapatra, Roy D. ; Gopalakrishnan, S. (2006) Estimation of dynamic fracture parameters in a transverse cracked composite beam using a simplified diagnostic wave propagation model Structural Health Monitoring, 5 (2). pp. 99-124. ISSN 1475-9217

Mitra, Mira ; Gopalakrishnan, S. (2006) Wavelet based spectral finite element for analysis of coupled wave propagation in higher order composite beams Composite Structures, 73 (3). pp. 263-277. ISSN 0263-8223

Agarwal, S. ; Chakraborty, A. ; Gopalakrishnan, S. (2006) Large deformation analysis for anisotropic and inhomogeneous beams using exact linear static solutions Composite Structures, 72 (1). pp. 91-104. ISSN 0263-8223

Chakraborty, Abir ; Gopalakrishnan, S. (2006) Approximate spectral element for wave propagation analysis in inhomogenous layered media AIAA Journal, 44 (7). pp. 1676-1685. ISSN 0001-1452 (In Press)

Mitra, Mira ; Gopalakrishnan, S. (2006) Extraction of wave characteristics from wavelet-based spectral finite element formulation Mechanical Systems and Signal Processing, 20 (8). pp. 2046-2079. ISSN 0888-3270

Mahapatra, Roy D. ; Ghosh, D. P. ; Gopalakrishnan, S. (2006) Multiscale finite element modelling of pattern formation in magnetostrictive composite thin film International Journal for Multiscale Computational Engineering, 4 (3). pp. 337-349. ISSN 1543-1649

Chakraborty, A. ; Sivakumar, M. S. ; Gopalakrishnan, S. (2006) Spectral element based model for wave propagation analysis in multi-wall carbon nanotubes International Journal of Solids and Structures, 43 (2). pp. 279-294. ISSN 0020-7683

Vinod, K. G. ; Gopalakrishnan, S. ; Ganguli, R. (2006) Wave propogation characteristics of rotating uniform Euler-Bernoulli beams CMES: Computer Modeling in Engineering & Sciences, 16 (3). pp. 197-208. ISSN 1526-1492

Mitra, Mira ; Gopalakrishnan, S. (2006) Wavelet based 2-D spectral finite element formulation for wave propagation analysis in isotropic plates Computer Modeling in Engineering & Sciences, 15 (1). pp. 49-68. ISSN 1526-1492

Gopalakrishnan, S. ; Mitra, M. (2006) Wavelet based spectral finite element modelling and detection of de-lamination in composite beams Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 462 . pp. 1721-1740. ISSN 1364-5021

Gopalakrishnan, S. ; Mitra, M. (2006) Wavelet based spectral finite element modelling and detection of de-lamination in composite beams Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 462 (2070). p. 1721. ISSN 1364-5021

Roy Mahapatra, D. ; Singhal, A. ; Gopalakrishnan, S. (2006) A higher-order finite waveguide model for spectral analysis of composite structures Computer Methods in Applied Mechanics and Engineering, 195 (9-12). pp. 1116-1135. ISSN 0045-7825

Chakraborty, A. ; Gopalakrishnan, S. (2006) A spectral finite element model for wave propagation analysis in laminated composite plate Journal of Vibration and Acoustics, 128 (4). pp. 477-488. ISSN 1048-9002

Roy, Mahapatra D. ; Singhal, A. ; Gopalakrishnan, S. (2005) Lamb wave characteristics of thickness-graded piezoelectric IDT Ultrasonics, 43 (9). pp. 736-746. ISSN 0041-624X

Roy, Mahapatra D. ; Singhal, A. ; Gopalakrishnan, S. (2005) Numerical analysis of Lamb wave generation in piezoelectric composite IDT IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 52 (10). pp. 1851-1860. ISSN 0885-3010

Chakraborty, A. ; Gopalakrishnan, S. ; Kausel, E. (2005) Wave propagation analysis in inhomogeneous piezo-composite layer by the thin-layer method International Journal for Numerical Methods in Engineering, 64 (5). pp. 567-598. ISSN 0029-5981

Chakraborty, A. ; Gopalakrishnan, S. (2005) A spectrally formulated plate element for wave propagation analysis in anisotropic material Computer Methods in Applied Mechanics and Engineering, 194 (42-44). pp. 4425-4446. ISSN 0045-7825

Narayana Naik, G. ; Krishna Murty, A. V. ; Gopalakrishnan, S. (2005) A failure mechanism based failure theory for laminated composites including the effect of shear stress Composite Structures, 69 (2). pp. 219-227. ISSN 0263-8223

Murthy, M. V. V. S. ; Roy, Mahapatra D. ; Badarinarayana, K. ; Gopalakrishnan, S. (2005) A refined higher order finite element for asymmetric composite beams Composite Structures, 67 (1). pp. 27-35. ISSN 0263-8223

Ali, R. ; Mahapatra, Roy D. ; Gopalakrishnan, S. (2005) Analysis of constrained piezoelectric layer: a two-dimensional coupled electromechanical model Ferroelectrics, 329 (1). pp. 131-137. ISSN 0015-0193

Ali, R. ; Mahapatra, Roy D. ; Gopalakrishnan, S. (2005) Constrained piezoelectric thin film for sensing of subsurface cracks Smart Materials and Structures, 14 (2). p. 376. ISSN 0964-1726

Ghosh, D. P. ; Gopalakrishnan, S. (2005) Coupled analysis of composite laminate with embedded magnetostrictive patches Smart Materials and Structures, 14 (6). p. 1462. ISSN 0964-1726

Roy Mahapatra, D. ; Suresh, S. ; Omkar, S. N. ; Gopalakrishnan, S. (2005) Estimation of degraded composite laminate properties using acoustic wave propagation model and a reduction‐prediction network Engineering Computations, 22 (7). pp. 849-876. ISSN 0264-4401

Mahapatra, Debiprosad Roy ; Ghosh, Debi Prasad ; Srinivasan, Gopalakrishnan (2005) Multiscale finite element modeling of the coupled nonlinear dynamics of magnetostrictive composite thin film Computational Science – ICCS 2005 Lecture Notes in Computer Science, 3516 . pp. 1-8. ISSN 0302-9743

Mitra, Mira ; Gopalakrishnan, S. (2005) Spectrally formulated wavelet finite element for wave propagation and impact force identification in connected 1-D waveguides International Journal of Solids and Structures, 42 (16-17). pp. 4695-4721. ISSN 0020-7683

Murty, Krishna A. V. ; Naik, Narayana G. ; Gopalakrishnan, S. (2005) Towards a rational failure criterion for unidirectional composite laminae Mechanics of Advanced Materials and Structures, 12 (2). pp. 147-157. ISSN 1537-6494

Mitra, Mira ; Gopalakrishnan, S. (2005) Wave propagation analysis in carbon nanotube embedded composite using wavelet based spectral finite elements Smart Materials and Structures, 15 (1). p. 104. ISSN 0964-1726

Garg, A. K. ; Roy, Mahapatra D. ; Suresh, S. ; Gopalakrishnan, S. ; Omkar, S. N. (2004) Estimation of composite damage model parameters using spectral finite element and neural network Composites Science and Technology, 64 (16). pp. 2477-2493. ISSN 0266-3538

Ali, R. ; Roy, Mahapatra D. ; Gopalakrishnan, S. (2004) An analytical model of constrained piezoelectric thin film sensors Sensors and Actuators A: Physical, 116 (3). pp. 424-437. ISSN 0924-4247

Chakraborty, A. ; Gopalakrishnan, S. (2004) A higher-order spectral element for wave propagation analysis in functionally graded materials Acta Mechanica, 172 (1-2). pp. 17-43. ISSN 0001-5970

Chakraborty, A. ; Gopalakrishnan, S. (2004) A spectrally formulated finite element for wave propagation analysis in layered composite media International Journal of Solids and Structures, 41 (18-19). pp. 5155-5183. ISSN 0020-7683

Kumar, Sreekanth D. ; Roy, Mahapatra D. ; Gopalakrishnan, S. (2004) A spectral finite element for wave propagation and structural diagnostic analysis of composite beam with transverse crack Finite Elements in Analysis and Design, 40 (13-14). pp. 1729-1751. ISSN 0168-874X

Sastry, C. V. S. ; Mahapatra, D. R. ; Gopalakrishnan, S. ; Ramamurthy, T. S. (2004) Distributed sensing of static and dynamic fracture in self-sensing piezoelectric composite: finite element simulation Journal of Intelligent Materials Systems and Structures, 15 (5). pp. 339-354. ISSN 1045-389X

Chakraborty, A. ; Gopalakrishnan, S. (2004) Wave propagation in inhomogeneous layered media: solution of forward and inverse problems Acta Mechanica, 169 (1-4). pp. 153-185. ISSN 0001-5970

Mahapatra, Roy D. ; Gopalakrishnan, S. (2004) Spectral finite element analysis of coupled wave propagation in composite beams with multiple delaminations and strip inclusions International Journal of Solids and Structures, 41 (5-6). pp. 1173-1208. ISSN 0020-7683

Mitra, Mira ; Gopalakrishnan, S. ; Bhat, Seetharama M. (2004) A new super convergent thin walled composite beam element for analysis of box beam structures International Journal of Solids and Structures, 41 (5-6). pp. 1491-1518. ISSN 0020-7683

Ghosh, D. P. ; Gopalakrishnan, S. (2004) Role of coupling terms in constitutive relationships of magnetostrictive materials Computers, Materials & Continua (CMC), 1 (3). pp. 213-228. ISSN 1546-2218

Chakraborty, A. ; Gopalakrishnan, S. (2004) Thermoelastic wave propagation in anisotropic layered media — a spectral element formulation International Journal of Computational Methods, 01 (03). p. 535. ISSN 0219-8762

Mitra, Mira ; Gopalakrishnan, S. ; Bhat, Seetharama M. (2004) Vibration control in a composite box beam with piezoelectric actuators Smart Materials and Structures, 13 (4). p. 676. ISSN 0964-1726

Saidha, Eslavath ; Naik, G. N. ; Gopalkrishnan, S. (2003) An experimental investigation of a smart laminated composite beam with a magnetostrictive patch for health monitoring applications Structural Health Monitoring, 2 (4). pp. 273-292. ISSN 1475-9217

Mahapatra, Roy D. ; Gopalakrishnan, S. (2003) A spectral finite element for analysis of wave propagation in uniform composite tubes Journal of Sound and Vibration, 268 (3). pp. 429-463. ISSN 0022-460X

Mahapatra, Roy D. ; Gopalakrishnan, S. (2003) A spectral finite element for analysis of wave propagation in uniform composite tubes Journal of Sound and Vibration, 268 (3). pp. 429-463. ISSN 0022-460X

Nag, A. ; Mahapatra, Roy D. ; Gopalakrishnan, S. ; Sankar, T. S. (2003) A spectral finite element with embedded delamination for modeling of wave scattering in composite beams Composites Science and Technology, 63 (15). pp. 2187-2200. ISSN 0266-3538

Sastry, C. V. S. ; Mahapatra, D. Roy ; Gopalakrishnan, S. ; Ramamurthy, T. S. (2003) Effect of the actuation phase on the SIF in delaminated composites with embedded piezoelectric layers Smart Materials and Structures, 12 (4). pp. 602-611. ISSN 0964-1726

Chakraborty, A. ; Gopalakrishnan, S. (2003) Various numerical techniques for analysis of longitudinal wave propagation in inhomogeneous one-dimensional waveguides Acta Mechanica, 162 (1-4). pp. 1-27. ISSN 0001-5970

Chakraborty, A. ; Gopalakrishnan, S. (2003) A spectrally formulated finite element for wave propagation analysis in functionally graded beams International Journal of Solids and Structures, 40 (10). pp. 2421-2448. ISSN 0020-7683

Chakraborty, A. ; Gopalakrishnan, S. (2003) A spectrally formulated finite element for wave propagation analysis in functionally graded beams International Journal of Solids and Structures, 40 (10). pp. 2421-2448. ISSN 0020-7683

Chakraborty, A. ; Gopalakrishnan, S. ; Reddy, J. N. (2003) A new beam finite element for the analysis of functionally graded materials International Journal of Mechanical Sciences, 45 (3). pp. 519-539. ISSN 0020-7403

Jayachandran, Arul S. ; Gopalakrishnan, S. ; Narayanan, R. (2003) Improved secant matrices for the postbuckling analysis of thin composite plates International Journal of Structural Stability and Dynamics, 03 (03). p. 355. ISSN 0219-4554

Chakraborty, A. ; Gopalakrishnan, S. (2003) Poisson's contraction effects in a deep laminated composite beam Mechanics of Advanced Materials and Structures, 10 (3). pp. 205-225. ISSN 1537-6494

Sahoo, Niranjan ; Mahapatra, D. R. ; Jagadeesh, G. ; Gopalakrishnan, S. ; Reddy, K. P. J. (2003) An accelerometer balance system for measurement of aerodynamic force coefficients over blunt bodies in a hypersonic shock tunnel Measurement Science and Technology, 14 (3). p. 260. ISSN 0957-0233

Sastry, C. V. S. ; Roy Mahapatra, D. ; Gopalakrishnan, S. ; Ramamurthy, T. S. (2003) An iterative system equivalent reduction expansion process for extraction of high frequency response from reduced order finite element model Computer Methods in Applied Mechanics and Engineering, 192 (15). pp. 1821-1840. ISSN 0045-7825

Roy Mahapatra, D. ; Gopalakrishnan, S. (2003) A spectral finite element model for analysis of axial–flexural–shear coupled wave propagation in laminated composite beams Composite Structures, 59 (1). pp. 67-88. ISSN 0263-8223

Nag, A. ; Mahapatra, D. R. ; Gopalakrishnan, S. (2002) Identification of delamination in a composite beam using a damaged spectral element Structural Health Monitoring, 1 (1). pp. 105-126. ISSN 1475-9217

Gopalakrishnan, S. (2002) Behaviour of isoparametric quadrilateral family of Lagrangian fluid finite elements International Journal for Numerical Methods in Engineering, 54 (5). pp. 731-761. ISSN 0029-5981

Chakraborty, A. ; Mahapatra, Roy D. ; Gopalakrishnan, S. (2002) Finite element analysis of free vibration and wave propagation in asymmetric composite beams with structural discontinuities Composite Structures, 55 (1). pp. 23-36. ISSN 0263-8223

Nag, A. ; Mahapatra, Roy D. ; Gopalakrishnan, S. (2002) Identification of delamination in composite beams using spectral estimation and a genetic algorithm Smart Materials and Structures, 11 (6). p. 899. ISSN 0964-1726

Mahapatra, Roy D. ; Gopalakrishnan, S. (2002) An active spectral element model for PID feedback control of wave propagation in composite beams Advances in Vibration Engineering and Technologies, 1 (2). pp. 165-175. ISSN 0972-5768

Jayachandran, Arul S. ; Gopalakrishnan, S. ; Narayanan, R. (2001) Explicit incremental matrices for the postbuckling analysis of thin plates with small initial curvature Structural Engineering and Mechanics, 12 (3). pp. 283-295. ISSN 1225-4568

Mahapatra, Roy D. ; Gopalakrishnan, S. ; Balachandran, B. (2001) Active feedback control of multiple waves in helicopter gearbox support struts Smart Materials and Structures, 10 (5). Article ID 1046. ISSN 0964-1726

Roy, Mahapatra D. ; Gopalakrishnan, S. ; Sankar, T. S. (2000) Spectral element based solutions for wave propagation analysis of multiply connected unsymmetric laminated composite beams Journal of Sound and Vibration, 237 (5). pp. 819-836. ISSN 0022-460X

Gopalakrishnan, S. (2000) A deep rod finite element for structural dynamics and wave propagation problems International Journal for Numerical Methods in Engineering, 48 (5). pp. 731-744. ISSN 0029-5981

Gopalakrishnan, S. ; Devi, G. (2000) Behaviour of Lagrangian triangular mixed fluid finite elements Sadhana (Academy Proceedings in Engineering Sciences), 25 (1). pp. 21-35. ISSN 0256-2499

Gopalakrishnan, S. ; Devi, G. (2000) A Lagrangian quadratic triangular fluid finite element for fluid-structure interaction problems International Journal of Computational Engineering Science, 01 (02). p. 257. ISSN 1465-8763

Gopalakrishnan, S. ; Doyle, J. F. (1995) Spectral super-elements for wave propagation in structures with local non-uniformities Computer Methods in Applied Mechanics and Engineering, 121 (1-4). pp. 77-90. ISSN 0045-7825

Gopalakrishnan, S. ; Doyle, J. F. (1994) Wave propagation in connected waveguides of varying cross-section Journal of Sound and Vibration, 175 (3). pp. 347-363. ISSN 0022-460X

Martin, M. ; Gopalakrishnan, S. ; Doyle, J. F. (1994) Wave propagation in multiply connected deep waveguides Journal of Sound and Vibration, 174 (4). pp. 521-538. ISSN 0022-460X

Gopalakrishnan, S. ; Martin, M. ; Doyle, J. F. (1992) A matrix methodology for spectral analysis of wave propagation in multiple connected Timoshenko beams Journal of Sound and Vibration, 158 (1). pp. 11-24. ISSN 0022-460X