C S Upadhyay

Professor

Department of Aerospace Engineering IIT Kanpur

☰ MENU
×

Publication in Referred International Journal:

I. Babuska, T. Strouboulis and C.S. Upadhyay A model study of the quality of a posteriori error esti mators for linear elliptic problems. Error estimation in the interior of patchwise uniform grids of triangles Comput. Methods Appl. Mech. Engrg., 114, (1994) 307-378.

I. Babuska, T .Strouboulis, C.S. Upadhyay and S.K. Gangaraj and K.Copps, Validatation of a posteriori error estimators by numarical approach Internat. J. Numer. Methods Engrg., 37, (1994) 1073-1123.

I. Babuska, T .Strouboulis, C.S. Upadhyay and S.K. Gangaraj, Computer-based proof of the existence of superconvergence points in the finite element method. Superconvergence of the derivatives in finite element solutions of Laplace's, Poisson's and the elasticity equations Numer. Methods for PDEs, 12, (1996) 347-392.

I. Babuska, T. Strouboulis and C.S. Upadhyay \eta- Superconvergence of finite element approximations in the interior of general meshes of triangles Comput. Methods Appl. Mech. Engrg., 122, (1995) 273-305.

I. Babuska, T. Strouboulis, A. Mathur and C.S. Upadhyay Pollution-error in the h-version of the finite element method and the local quality of a-posteriori error estimators Finite Elements in Analysis and Design, 17, (1994) 273-321.

I .Babuska, T. Strouboulis, C.S. Upadhyay and S.K. Gangaraj A posteriori estimation and adaptive control of the pollution error in the h-version of the finite element method Internat. J. Numer. Methods Engrg., 38, (1995) 4207-4235.

I. Babuska, T. Strouboulis, S.K. Gangaraj and C.S. Upadhyay Pollution error in the h-version of the finite element method and the local quality of the recovered derivatives Comput. Methods Appl. Mech. Engrg., 140, (1997) 1-39.

I. Babuska, T. Strouboulis, C.S. Upadhyay and S.K.Gangaraj, A model study of element residual estimators in the interior of meshes of triangles and quadrilaterals Computers & Structures, 57, (1995) 1009-1028.

I. Babuska, T. Strouboulis, C.S. Upadhyay, S.K. Gangaraj and K. Copps, Validation of a posteriori error estimators by numerical approach Internat. J. Numer. Methods Engrg., 37, (1994) 1073-1123.

I. Babuska, T. Strouboulis and C.S. Upadhyay, A model study of the quality of a-posteriori error estimators for linear elliptic problems. Error estimation at the boundary of patchwise uniform grids of triangles Internat. J. Numer. Methods Engrg., 40, (1997) 2721-2773.

I. Babuska, T. Stroublulis, C.S. Upadhyay and S.K. Gangaraj, Superconvergence in the finite element method by computer-based proof, IACM bulletin, 10, (1995)27-41.

I. Babuska, T. Strouboulis, C.S. Upadhyay and S.K. Gangaraj, A model study of element resudual estimators for linear elliptic problems: The quality of the estimators in the interior of meshes of triangles and quadrilaterals, Computers & Structures, 57, (1995) 1009-1028.

I. Babuska, T. Strouboulis, S.K. Gangaraj and C.S. Upadhyay, \eta%- superconvergence in the interior of locally refined meshes of quadrilaterals: Superconvergence of the gradient in finite element solutions of Laplace's and Poisson's equations, Appl. Numer. Math., 16 (1994) 3-49.

I. Babuska, T. Strouboulis, S.K. Gangaraj and C.S. Upadhyay, Validation of recipes for the recovery of stresses and derivatives by a computer-based approach, Mathl. Comput. Modelling, 20, (1994) 45-89.

P.M. Mohite and C.S. Upadhyay, Local quality of smoothening based a-posteriori error estimators for laminated plates under transverse loading, Computers & Structures, 80 (2002), 1477-1488.

P.M. Mohite and C.S. Upadhyay, Focused adaptivity for laminated plates, Computers and Structures, 81 (2002), 287-298.

S.N. Ahmad, C.S. Upadhyay and C. Venkatesan, Linear and nonlinear analysis of a smart beam using general electro-thermo-elastic formulation, AIAA journal, 42 (2004), 840-849.

A. K. Onkar, C.S. Upadhyay and D. Yadav, Probabilistic failure of composite laminated plates using the stochastic finite element method, Composite Structures, Volume 77, Issue 1, January 2007, Pages 79-91.

A. K. Onkar, C.S .Upadhyay and D. Yadav, Generalized buckling of composite laminated plates using the stochastic finite element method, International Journal of mechanical sciences,2006, 48, 7, 780-789.

N.A .Sheikh, C.S .Upadhyay and C. Venkatesan, Electro-elastic analysis and layer-by-layer analysis of a smart beam, AIAA journal 2005, Vol 43, 2606-2616.

N.A. Sheikh, C.S. Upadhyay and C. Venkatesan, Electro-thermo-elastic formulation for the analysis of smart structures, J. Smart Materials and Structures, 2006, 15 No 2, 401-416.

P.M. Mohite and C.S. Upadhyay Accurate computation of critical local quantities in composite laminated plates under transverse loading Computers and Structures, 2006,Vol. 84,10-11, pp. 657-675.

P.M. Mohite and C.S. Upadhyay, Region-by-region modeling of laminated composite plates, Computers and Structures, Vol. 85, 23-24, December 2007; 1808-1827.

A . K. Onkar, C. S.Upadhyay, D. Yadav, stochastic finite element buckling analysis of laminated composite plates with circular under uniaxial compression Journal of Applied Mechanics 2007, Vol. 74, No.4, PP. 798-809.

A. K. Onkar, C. S.Upadhyay, D. Yadav, stochastic buckling analysis of laminated plates with random material properties under shear and compression AIAA Journal, Vol. 45, No.8, August 2007pp 2005-2014.

Anil and C.S. Upadhyay, Stability Analysis of composite Laminate with and without rectangular cut-outs under bi-axial loading, Composite Structures, Volume 80, Issue 1, September 2007, Pages 92-104.

Sateesh V. L., C. S. Upadhyay, and C.Venkatesan, Thermodynamic modeling of hysteresis effects in piezoceramics for application to smart structures, (Technical Note) AIAA Journal, Vol. 45, No. 8, 2007.

Sateesh V. L., C. S. Upadhyay, and C.Venkatesan, Thermodynamic modeling of hysteresis effects in piezoceramics for application to smart structures, AIAA Journal, Vol. 46, No. 1, 2008, pp. 280 - 284.

Sateesh V. L.,C. S. Upadhyay, and C.Venkatesan, Layer-by-layer finite element analysis of smart composite plates, Journal of Advanced materials Research, Vol. 47-50, 2008, pp. 1011-1014.

Sateesh V. L.,C. S. Upadhyay, and C.Venkatesan, A study on Polarization-Electric Field (P-E) Nonlinearity in Smart Composite Structures, Submited to AIAA.

V. Murari, C. S. Upadhyay, Towards a Generalized Macro-level Damage Model for unidirectional Composites, Advanced Materials Research Vols. 47-50 pp 869-872 (2008).

N.Kishore Kumar, P.Dutt, C.S.Upadhyay, Nonconforming spectral h-p element methods for elliptic systems Journal of Numerical Mathematics, Published online: 24/07/2009.

Mohite PM and Upadhyay CS. Modeling error estimation for laminated composite plates, [under preparation]

Mohite PM and Upadhyay CS. Goal based modeling of laminated composite plates, [under preparation]

Publication in Referred National Journal

H.N. Sharma and C.S. Upadhyay, 1, 2008, pp. 280A comparative study of averaging Schemes for Periodic Heterogeneous Media, IE (I) Journal - AS, 2002, Vol. 83, 29-35.

N.Kishore Kumar, P.Dutt, C.S.Upadhyay, Nonconforming h-p spectral methods for elliptic problems Proceedings Indian Academy Sciences, Vol.117, No.1, Feb 2007,pp. 109-145.

P.M. Mohite and C.S. Upadhyay, A simple strain-recovery based a-posteriori error estimator for laminated composite plates, Journal of Aerospace Sciences and Technology, 2007,Vol. 59(3), 212-222.

International in Conference Proceedings

C.S. Upadhyay, A study of the quality of extracted stress intensity factors using the finite element method, Proceedings of the Second Structural Engg. Convention, 5-8 Jan. 2000, IIT Bombay, Mumbai.

C.S. Upadhyay and H.N. Sharma, A comparative study of averaging schemes for periodic heterogeneous media, CDROM Proceedings of ICTACEM-2001, Dec. 26-29, IIT Kharagpur.

C.S. Upadhyay and V. Swaminathan, Topology optimization based design of stiffened plates, CDROM Proceedings of ICTACEM-2001, DEc.26-29, IIT Kharagpur.

C. Venkatesan and C.S. Upadhyay, A General Approach to Modeling and Analysis of Smart Structures International Conference on Smart Materials, Structures and Systems, July 17-19, 2002, Indian Institute of Science Bangalore, India, ISSS2002-IS-224

Sheikh N. Ahmad, C.S. Upadhyay and C. Venkatesan, Electro-Thermo-Elastic Formulation and Analysis of a Smart Beam International Conference on Smart Materials, Structures and Systems, July 17-19, 2002, Indian Institute of Science Bangalore, India, ISSS-SA-544

S.N. Ahmad, C.S. Upadhyay and C. Venkatesan, Actuation, sensing and shape control of a smart beam using a general electro-thermo-elastic formulation, Proceedings of the 11th AIAA/ASME/AHS Adaptive structures conference, 7-10 April 2003, Norfolk, Virginia (USA).

A. K. Onkar, D. Yadav and C. S. Upadhyay, Non-linear response statistics of laminates composite plates with random material properties under random loading, Asia-Pacific Conference on System Integrity and Maintenance, Dec 6-9, 2004, Hotel Inter-Continental The Grand, New Delhi.

A. K. Onkar, D. Yadav and C. S. Upadhyay, Failure of laminated composite plates with random material properties under random loading, International Congress on Computational Mechanics and Simulation, Dec 9-12, 2004, IIT Kanpur.

P.M. Mohite and C.S .Upadhyay, A study of various modeling approaches for analysis of laminated composite plates, International Congress on Computational Mechanics and Simulation, Dec 9-12, 2004, IIT Kanpur.

V.Anil, C.S. Upadhyay and N.G.R .Iyengar, Stability analysis of composite laminates with cut-outs, International Congress on Computational Mechanics and Simulation, Dec 9-12, 2004, IIT Kanpur.

A.K. Onkar, D. Yadav and C. S. Upadhyay, Stochastic finite element buckling analysis of composite plates with random material properties, International Conference on Theoretical, Applied, Computational and Experimental Mechanics, Dec 28-30, 2004, IIT Kharagpur.

Mohite PM and C.S.Upadhyay, Comparison of plate models for analysis of laminated composites International Conference on Theoretical, Applied, Computational and Experimental Mechanics, Dec 28-30, 2004, IIT Kharagpur India

C. S. Upadhyay, P. M. Mohite and Amit Kr. Onkar, Accurate computation of critical response quantities for laminated composite structures, Indo-Japan Joint Conference, Feb 24-25, 2005, IIT Kanpur.

P.M. Mohite and C.S. Upadhyay, Reliable computation of local quantities in composite laminated plates, Proceedings of the 46th AIAA/ ASME/ASCE/AHS/ASC Structures, Structural dynamics and materials conference, 18-21 April 2005, Austin, Texas (USA).

P.M. Mohite and C.S. Upadhyay, Reliable computation of point wise data for laminated composite plates, Proceedings of 8th USNCCM Conference, 24-28 July 2005, Austin, Texas (USA).

V.Anil, C.S .Upadhyay and N.G.R .Iyengar, Study of interaction curves for composite laminate with cut-outs, Proceedings of Third MIT Conference on Computational Solid and Fluid Mechanics, 14-17 June 2005, Boston, MS (USA).

P.M. Mohite and C.S. Upadhyay, Region-by-region Modeling for Layered Composites, Internat. Conf. for Computational and Experimental Engg. and Sciences, IIT Madras 1-6 December 2005.

A.K. Onkar, C.S. Upadhyay and D. Yadav, Stochastic finite element failure analysis of laminated plates under uniaxial compressive loading, Proceedings of the 47th AIAA/ ASME/ASCE/AHS/ASC Structures, Structural dynamics and materials conference, 1-4 May 2006, Newport Rhode Island (USA).

P.M. Mohite and C.S. Upadhyay, A Novel subdomainwise modeling approach for analysis of layered composite structures, Proceedings of the 47th AIAA/ ASME/ASCE/AHS/ASC Structures, Structural dynamics and materials conference, 1-4 May 2006, New Port, Rhode Island (USA).

P.M. Mohite and C.S. Upadhyay, Region wise modeling Approch for the analysis of leyered structures, Proceedings of computation methods in engineering and science. EPMESC X. 21 to 23 Aug. 2006. Sanya, Hainan, China.

C.S. Upadhyay,P.M. Mohite and Amit kr.Onkar, A discussion on some key issues related to computational analyysis of laminated structures ICCMS,Dec 8-10, 2006,IIT Guwahati.

Amit Kr. Onkar, C. S.Upadhyay, and D.Yadav, A nonlinear finite element analyais of damaged laminated plates under uniaxial compression Proceedings of the 48th AIAA/ASME/ASCE/AHS/ASC Structures, structural dynamics and materials conference, April 23-26,2007,Sheraton, Waikiki,Hawaii, USA.

Amit Kr. Onkar, C. S.Upadhyay, and D.Yadav, A nonlinear stochastic buckling analysis of laminated plates in the presence of static damage ICTACEM, Dec 27-29, IIT Kharagpur.

V. L.Sateesh, C. S.Upadhyay, and C.Venkatesan,Thermodynamic modeling of hysteresis effects in piezoceramics for application to smart structures, 15th AIAA/ ASME/AHS Adaptive Structures conference, 23-26 April 2007, Honolulu, Hawaii (USA).

V. Murari, S. Prabu, C. S. Upadhyay, Three dimensional homogenization based study of effect of damage in unidirectional composites, (ICTACEM) International Conference on Theoretical, Applied, Computational and Experimental Mechanics, IIT Kharagpur, India,(2007).

V. L.Sateesh, C. S.Upadhyay, and C.Venkatesan, Layer-by-layer finite element analysis of nonlinear smart plates, International Conference on Aerospace Science and Technology-NAL 50, 26-28 June 2008, Bangalore.

V. L.Sateesh, C. S.Upadhyay, and C.Venkatesan, Thermodynamic modeling of hysteresis effects in piezoceramics for application to smart structures, Internat.Conf.on Multifunctional Materials and structres,Hong Kong, China (2008).

V. L.Sateesh, C. S.Upadhyay, and C.Venkatesan, Layer-by-layer finite element analysis of smart composite plates, MFM Conference, 28-31 July, Hong Kong, China.

V. L.Sateesh, C. S.Upadhyay, and C.Venkatesan, A study on Polarization-Electric Field (P-E) Nonlinearity in Smart Composite Structures, IUTAM-MMSS-08, 10-13 Dec, 2008<

J.Yellavenkata Sunil, C.S.Upadhyay, Study of Influence of Scatter in Constituent Properties on Effective Composite Properties AIAA Regiin VII Student Paper Presentatin Conference,Nov 17-18, 2008.Monash & RMIT University,Melbourne Australia.

V. Murari, C. S. Upadhyay, Towards a Generalized Macro-level Damage Model for Unidirectional Composites, (MFMS)International Conference on Multifunctional Materials and Structures, Hong Kong, China(2008).

National in Conference Proceedings

P.M. Mohite and C.S. Upadhyay, A posteriori estimation of error in the quantity of interest for laminated composite plates, Invited paper in conference on Mathematical modelling and computer simulation, 14-15 November 2002, NAL, Bangalore.

P.M. Mohite and C.S. Upadhyay, A continuum damage mechanics based damage initiation and evolution in laminated composites, 14th NASAS Theme: Fatigue, Fracture and Aging Structures at VNIT, Nagpur 30-31 January 2006.

P.M. Mohite and C.S. Upadhyay, Accurate and Computationally Economical Analysis Tool for Layered Composites, proceedings of the National Symposium on Recent Trends in Product Design. 15-16 Sept. 2006. Textile and Engg. Institute Ichalkaranji,Maharashtra, India.

V. L.Sateesh, C. S.Upadhyay, and C.Venkatesan, Nonlinear constitutive modeling of Hysteresis effects in piezoceramics for application to smart structures, National Conference on Smart Structures and MEMS Systems for Aerospace Applications, 1-2 December 2006, RCI, Hyderabad.

Jain A, Upadhyay CS and Mohite PM. Fibre breaking damage model for unidirectional fibrous composite using micromechanics, 16th NASAS at IIT Bombay, 19-20 November 2009.

designed by: Yogi