Browse by IITH Authors

Article

Rajagopal, Amirtham (2023) Modeling fracture in polymeric material using phase field method based on critical stretch criterion. International Journal of Solids and Structures, 270. p. 112216. ISSN 0020-7683

Balla, Taraka M.R. and Suriya Prakash, S. and Rajagopal, Amirtham (2023) Role of size on the compression behaviour of hybrid FRP strengthened square RC columns – Experimental and finite element studies. Composite Structures, 303. pp. 1-20. ISSN 0263-8223

Akshaya Gomathi, K. and Rajagopal, Amirtham and Suriya Prakash, S. (2022) Predicting the failure mechanism of RC slabs under combined blast and impact loading. Theoretical and Applied Fracture Mechanics, 119. pp. 1-22. ISSN 0167-8442

Pranavi, D. and Rajagopal, A. and Reddy, J.N. (2021) Interaction of anisotropic crack phase field with interface cohesive zone model for fiber reinforced composites. Composite Structures, 270 (114038). ISSN 02638223

Muthukaruppan, Arunachalam and Pandey, Manoj and Rajagopal, Amirtham (2021) Testing Weibull as a viable statistical strength distribution for Nacre. Mechanics of Materials, 158. p. 103855. ISSN 01676636

Basak, Arthesh and Rajagopal, Amirtham and Basappa, Umesh and Hossain, Mokarram (2021) The Use of Contravariant Tensors to Model Anisotropic Soft Tissues. International Journal of Applied Mechanics, 13 (03). p. 2150039. ISSN 1758-8251

Kudimova, A. B. and Nasedkin, A. V. and Nasedkina, A. A. and Rajagopal, Amirtham (2021) Computer Simulation of Composites Consisting of Piezoceramic Matrix with Metal Inclusions and Pores. Mechanics of Composite Materials, 57 (5). pp. 657-666. ISSN 0191-5665

Balakrishnan, B. and Raja, S. and Rajagopal, Amirtham (2021) Influence of MWCNT fillers on vibroacoustic characteristics of polymer nanocomposite and coated aircraft panels. Applied Acoustics, 172. p. 107604. ISSN 0003682X

Pranavi, D. and Rajagopal, A. and Reddy, J.N. (2021) Interaction of anisotropic crack phase field with interface cohesive zone model for fiber reinforced composites. Composite Structures, 270. p. 114038. ISSN 02638223

Raghu, P. and Rajagopal, A. and Jalan, S. K. and Reddy, J. N. (2021) Modeling of brittle fracture in thick plates subjected to transient dynamic loads using a hybrid phase field model. Meccanica, 56 (6). pp. 1269-1286. ISSN 0025-6455

Karthik, S. and Rajagopal, A. and Reddy, J.N. (2021) Nonlocal phase field approach for modeling damage in brittle materials. Mechanics of Materials, 157. p. 103797. ISSN 01676636

Balakrishnan, B and Rajagopal, Amirtham and Raja, S (2021) Vibroacoustic performance assessment of aircraft panels in low, mid and high frequency regimes. Mechanics of Advanced Materials and Structures. pp. 1-20. ISSN 1537-6494

Gomathi, K. Akshaya and Rajagopal, A. (2020) Dynamic Performance of Reinforced Concrete Slabs Under Impact and Blast Loading Using Plasticity-Based Approach. International Journal of Structural Stability and Dynamics, 20 (14). p. 2043015. ISSN 0219-4554

Gomathi, K. Akshaya and Rajagopal, A. (2020) Numerical Damage Modelling of RC Slabs Under Blast Loading Using K&C Concrete Model. Lecture Notes in Civil Engineering, 103. pp. 529-541. ISSN 2366-2557

Kasirajan, P. and Bhattacharya, S. and Rajagopal, A. and Reddy, J.N. (2020) Phase field modeling of fracture in Quasi-Brittle materials using natural neighbor Galerkin method. Computer Methods in Applied Mechanics and Engineering, 366 (113019). ISSN 00457825

Basant, K. and Srividya, S. and Gupta, R. K. and Rajagopal, A. (2020) Nonlocal nonlinear analysis of functionally graded plates using natural neighbour Galerkin method. Annals of Solid and Structural Mechanics, 12 (1-2). pp. 97-122. ISSN 1867-6936

Rawat, Angel and Piska, Raghu and Rajagopal, Amirtham and Hossain, Mokarram (2020) Nonlocal plasticity-based damage modeling in quasi-brittle materials using an isogeometric approach. Engineering Computations, 38 (6-). pp. 2604-2630. ISSN 0264-4401

Raghu, P. and Rajagopal, A. and Reddy, J. N. (2020) Nonlocal transient dynamic analysis of laminated composite plates. Mechanics of Advanced Materials and Structures, 27 (13). pp. 1076-1084. ISSN 1537-6494

Gomathi, K Akshaya and Rajagopal, Amirtham and Reddy, K S S and et al, . (2020) Plasticity based material model for concrete subjected to dynamic loadings. International Journal of Impact Engineering. ISSN 0734-743X (In Press)

Rajagopal, Amirtham (2020) Preface to the special issue “Recent advances in nonlocal and non-classical continuum mechanics: in honor of Professor J. N. Reddy” on the occasion of his 75th Birthday. Annals of Solid and Structural Mechanics, 12 (1-2). pp. 1-5. ISSN 1867-6936

Piska, Raghu and Rajagopal, Amirtham and Reddy, J N (2020) Thermodynamically consistent variational approach for modeling brittle fracture in thick plates by a hybrid phase field model. Journal of Applied Mechanics, 87 (021002). pp. 1-14. ISSN 0021-8936

Kumar, Basant and Somireddy, Madhukar and Rajagopal, Amirtham (2019) Adaptive analysis of plates and laminates using natural neighbor Galerkin meshless method. Engineering with Computers, 35 (1). pp. 201-214. ISSN 0177-0667

Srividhya, Singam and Kumar, Basant and Gupta, R K and Rajagopal, Amirtham (2019) Nonlinear analysis of FGM plates using generalised higher order shear deformation theory. International Journal of Materials and Structural Integrity, 13 (1/2/3). p. 3. ISSN 1745-0055

Shiva, K and Raghu, P and Rajagopal, Amirtham and Reddy, J N (2019) Nonlocal buckling analysis of laminated composite plates considering surface stress effects. Composite Structures, 226. p. 111216. ISSN 02638223

Umesh, B and Rajagopal, Amirtham and Reddy, J N (2019) One dimensional nonlocal integro-differential model & gradient elasticity model : Approximate solutions and size effects. Mechanics of Advanced Materials and Structures, 26 (3). pp. 260-273. ISSN 1537-6494

Umesh, B and Rajagopal, Amirtham and Reddy, J N (2019) One dimensional nonlocal integro-differential model & gradient elasticity model : Approximate solutions and size effects. Mechanics of Advanced Materials and Structures, 26 (3). pp. 260-273. ISSN 1537-6494

Aurojyoti, P and Raghu, P and Rajagopal, Amirtham and Reddy, J N (2019) An n ‐sided polygonal finite element for nonlocal nonlinear analysis of plates and laminates. International Journal for Numerical Methods in Engineering. ISSN 0029-5981

Rajagopal, Amirtham and Nair, Dipin K and Singh, Sajal Sagar (2018) Dynamic analysis of microbeams based on modified strain gradient theory using differential quadrature method. European Journal of Computational Mechanics, 27 (3). pp. 187-203. ISSN 1779-7179

Singh, Sajal Sagar and Nair, Dipin K and Rajagopal, Amirtham and et al, . (2018) Dynamic analysis of microbeams based on modified strain gradient theory using differential quadrature method. European Journal of Computational Mechanics, 27 (3). pp. 187-203. ISSN 1779-7179

Umesh, B and Rajagopal, Amirtham (2018) Higher order continuous approximation for the assessment of nonlocal-gradient based damage model. Mechanics of Advanced Materials and Structures. pp. 1-12. ISSN 1537-6494

Singam, Srividhya and K, Basanth and Gupta, R K and Rajagopal, Amirtham and Reddy, J N (2018) Influence of the homogenization scheme on the bending response of functionally graded plates. Acta Mechanica. ISSN 0001-5970 (In Press)

Nasedkina, A A and Rajagopal, Amirtham (2018) Mathematical and computer homogenization models for bulk mixture composite materials with imperfect interfaces. Materials Physics and Mechanics, 37. pp. 34-41. ISSN 1605-2730

Srividhya, S and Raghu, P and Rajagopal, Amirtham and Reddy, J N (2018) Nonlocal nonlinear analysis of functionally graded plates using third-order shear deformation theory. International Journal of Engineering Science, 125. pp. 1-22. ISSN 00207225

Raghu, P and Rajagopal, Amirtham and Reddy, J N (2017) Nonlocal nonlinear finite element analysis of composite plates using TSDT. Composite Structures. ISSN 0263-8223 (In Press)

Santosh, K and Rajagopal, Amirtham (2016) A strain gradient plasticity based damage model for quasibrittle materials. Journal of Structural Engineering (Madras), 43 (6). ISSN 0970-0137

Somireddy, Madhukar and Rajagopal, Amirtham (2014) Meshless Natural Element Method for Nonlinear Analysis of Composite Plates. Journal of Structural Engineering. pp. 1468-1477.

Agarwal, Anil and Selden, Kristi and Rajagopal, Amirtham (2014) Stability Behavior of Steel Building Structures in Fire Conditions: Role of Composite Floor System with Shear-Tab Connections. Journal of Structural Fire Engineering, 5 (2). pp. 77-96. ISSN 2040-2317

Fischer, Paul and Rajagopal, Amirtham and Kuhl, Ellen and et al, . (2011) Cahn-Hilliard Generalized Diffusion Modeling Using the Natural Element Method. ‘Mechanics of Generalized Continua, Advanced Structural Materials, 7. pp. 325-337. ISSN 1869-8433

Book Section

Nasedkin, Andrey and Nasedkina, Anna and Rajagopal, Amirtham (2020) Finite Element Investigation of Effective Moduli of Transversely Isotropic Thermoelastic Materials with Nanoscale Porosity. In: Advanced Materials. Springer Nature, pp. 325-337.

Conference or Workshop Item

Pranavi, Dhaladhuli and Rajagopal, Amirtham (2022) Nonlocal Diffused Approach to Model Delamination in Composites. In: 3rd Structural Integrity Conference and Exhibition, SICE 2020, 11 December 2020 through 13 December 2020, Virtual, Online.

Basak, Arthesh and Rajagopal, Amirtham and Basappa, Umesh (2021) Contravariant tensor algebra for anisotropic hyperelasticity. In: 2nd International Conference on Advances in Physical Sciences and Materials 2021, ICAPSM 2021, 12 August 2021 through 13 August 2021, Virtual, Online.

Nasedkin, Andrey and Nasedkina, Anna A and Rajagopal, Amirtham (2019) Homogenization of Dispersion-Strengthened Thermoelastic Composites with Imperfect Interfaces by Using Finite Element Technique. In: Proceedings of the International Conference on “Physics and Mechanics of New Materials and Their Applications”, PHENMA, 2018.

Reddy, K S S and Nasedkina, Anna A and Nasedkin, Andrey V and et al, . (2018) Comparative Study on Progressive Damage Models for Composites. In: International Conference on Physics, Mechanics of New Materials and Their Applications, PHENMA, 14-16 October 2017, Jabalapur, India.

Raghu, P and Nasedkina, Anna A and Saswata, B and Rajagopal, Amirtham et. al (2018) Nonlocal Nonlinear Analysis of Composites. In: International Conference on Physics and Mechanics of New Materials and Their Applications, 14-16 October 2017, Jabalapur, India.

Raghu, P and Rajagopal, Amirtham (2017) Nonlinear Finite Element Analysis of Laminated Composite Plates Using Nonlocal Third Order Shear Deformation Theory. In: International Conference on Composite Structures, 4-7 September 2017, Paris, France..

Sharma, Deepesh and Piska, Raghu and Rajagopal, Amirtham (2017) A Novel n-Sided Polygonal Finite Element Approach for Analysis of Isotropic Plates. In: International Conference on “Physics and Mechanics of New Materials and Their Applications” (PHENMA 2017), 14-16 October 2017, Jabalpur, India.

Reddy, K S S and Rajagopal, Amirtham and Madhavi, M (2016) Effect of Damage modes and Fiber volume fraction on the Effective properties of the Unidirectional composites. In: Proceedings of 61st Congress of Indian Society of Theoretical and Applied Mechanics Conference, 11-14 December 2016, VIT University Vellore, Tamil Nadu.

Srividhya, S and Rajagopal, Amirtham and Gupta, V K and Kumar, Basant (2016) Meshless Natural Neighbor Galerkin method for the analysis of composite plates using higher order shear deformation theories. In: Proceedings of 61st Congress of Indian Society of Theoretical and Applied Mechanics Conference, 11-14 December 2016, VIT University Vellore, Tamil Nadu.

Raghu, P and Rajagopal, Amirtham and Kasi, B (2016) Poly - FEM for the analysis of plane elasticity problems. In: Proceedings of 61st Congress of Indian Society of Theoretical and Applied Mechanics Conference, 11-14 December 2016, VIT University Vellore, Tamil Nadu.

Basappa, U and Rajagopal, Amirtham (2015) An Adaptive Approach to Isogemetric Analysis. In: XDMS conference, 2015, Italy.

Rajagopal, Amirtham and Kasirajan, P (2015) Meshfree natural neighbour galerkin method for nonlinear analysis of composite plates. In: Proceedings of the 18th International Congress on Composites, 15-18 June, Lisbon, Portugal.

Nasedkina, A V and Nasedkina, Anna A and Rajagopal, Amirtham and Remizov, Vladimir V (2015) Some Finite Element Approaches for Modeling of Anisotropic Thermoelastic Mixture and Periodic Composites with Internal Microstructure. In: 8th GRACM International Congress on Computational Mechanics, 12-15 July 2015, Volos, Greece.

Bassappa, Umesh and Rajagopal, Amirtham (2014) Paramterization in Isogeometric analysis. In: Proceedings of Asia Pacific Congress on Computational Mechanics, APCOM2014, Singapore.

Umesh, B S and Rajagopal, Amirtham (2013) Parameterization in Isogeometric analysis. In: Asia Pacific Conference on Computational Mechanics, 23-26 december 2013, singapore.

Somireddy, M and Rajagopal, Amirtham (2012) Adaptive Natural Neighbour Galerkin Method for the Analysis of Plates and Laminates. In: The proceedings of 4th International Congress on Computational Mechanics and Simulation (ICCMS 2012), 9-12 december 2012, Hyderabad, India.

Pal, M K and Rajagopal, Amirtham (2012) Generalized Finite Element Method for Fracture Analysis. In: The proceedings of 4th International Congress on Computational Mechanics and Simulation (ICCMS 2012), 9-12 december 2012, Hyderabad, India.

Bassappa, Umesh and Rajagopal, Amirtham (2012) Higher Order Natural Element Analysis Of Cahn- Hilliard Phase Field Model For Strongly Anisotropic Systems. In: Proceedings of World Congress on Computational Mechanics WCCM2012, 8-13 July 2012, Sao Paulo, Brazil.

Pal, M K and Rajagopal, Amirtham (2012) Multiscale failure Modeling of composites using generalized finite element method. In: Proceedings of applied mechanics and mathematics, Special Issue: 83rd Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM), 03 December 2012, Darmstadt, Germany.

Kumar, N and Rajagopal, Amirtham (2012) Plasticity based composite interface model for failure modelling of Masonry. In: The proceedings of 4th International Congress on Computational Mechanics and Simulation (ICCMS 2012), 9-12 december 2012, Hyderabad, India.

Rajagopal, Amirtham and Fischer, Paul and Kraus, Markus and et al, . (2010) Hyperelastic Analysis Using Adaptive Delaunay Tessellation. In: Proceedings of ICTACEM, Volume 1, 27-29 December 2010.

Thesis

Kumar, Basant and Rajagopal, Amirtham (2019) Nonlocal nonlinear analysis of functionally graded plates. PhD thesis, Indian Institute of Technology Hyderabad.

Gautam, Akash and Rajagopal, Amirtham (2019) Peridynamic solutions to micropolar beam. Masters thesis, Indian institute of technology Hyderabad.

C A, Manoj Varma and Rajagopal, Amirtham (2018) Interface model for unreinforced masonry under cyclic loading based on plasticity approach. Masters thesis, Indian Institute of Technology Hyderabad.

Singam, Srividhya and Rajagopal, Amirtham (2018) Nonlocal Nonlinear Analysis of Functionally Graded Plates Using Natural Neighbor Galerkin Method. Masters thesis, Indian Institute of Technology Hyderabad.

Other

Rajagopal, Amirtham and IITH, IITH (2019) IIT Hyderabad invites applications for short term course on Nonlocal Mechanics Approaches for Modelling Localized Deformations. Hindustan Times.

Rajagopal, Amirtham and IITH, IITH (2019) Applications invited for short-term course at IIT-H. The Hindu.

Rajagopal, Amirtham and IITH, IITH (2019) IIT Hyderabad Invites applications for Short Term Course on ‘Nonlocal Mechanics Approaches for Modelling Localized Deformations’. Indian Education Diary, Hyderabad.

Rajagopal, Amirtham and IITH, IITH (2019) IIT Hyderabad Invites Applications For Short Term Course. BW Education.