Publications

1. A spatially resolved model of neutron-irradiated Tungsten coupling Stochastic Cluster Dynamics and Finite Deformation Plasticity. Sabyasachi Chatterjee, Qianran Yu, Kenneth Roche, Giacomo Po, Jaime Marian. Journal of Nuclear Materials, 605:155526, 2025. (link)

2. System identification and reliability assessment of hyperelastic materials via an efficient sparsity-promoting variational Bayesian approach. Rohan Thorat, Mohammad Anas, Rajdip Nayek, Sabyasachi Chatterjee.  Accepted in Probabilistic Engineering Mechanics, 2025. 

3. Constitutive Law Discovery of Hyperelastic Materials via an Efficient Variational Bayesian Framework. 9th International Congress on Computational Mechanics and Simulations, IIT Gandhinagar, Dec 2023. (link)

4. A discrete dislocation dynamics study of precipitate bypass mechanisms in nickel-based superalloys. Sabyasachi Chatterjee, Yang Li, Giacomo Po. International Journal of Plasticity, 145: 103062, 2021. (link)

5.  Coupling crystal plasticity and stochastic cluster dynamics models of irradiation damage in tungsten Qianran Yu, Sabyasachi Chatterjee, Kenneth Roche, Giacomo Po, Jaime Marian.  Modelling and Simulation in Materials Science and Engineering, 29: 055021, 2021. (link)

6. On the cross slip of screw dislocations in Zirconium. Yang Li, Sabyasachi Chatterjee, Enrique Martinez, Nasr Ghoniem, Giacomo Po.  Acta Materialia, 208:116764, 2021. (link)

7. How useful are formal hierarchies? A case study on averaging dislocation dynamics to define meso-macro plasticity. Sabyasachi Chatterjee, Amit Acharya. International Journal for multiscale computational engineering, 18(5): 587-610, 2020. (link)

8. Plasticity without phenomenology: A first step. Sabyasachi Chatterjee, Giacomo Po, Xiaohan Zhang, Amit Acharya, Nasr Ghoniem. Journal of the Mechanics and Physics of Solids, 143: 104059, 2020. (link)

9. Computing singularly perturbed differential equations. Sabyasachi Chatterjee, Amit Acharya, Zvi Artstein. Journal of Computational Physics, 354:417-446, 2018. (link)

Conferences/Workshops

1. A spatially resolved model of neutron-irradiated Tungsten coupling Stochastic Cluster Dynamics and Finite Deformation Plasticity, Mechanical Sciences Young Investigators Meet (MSYIM), IIT Kanpur, March 2024. 

2. New trends and open challenges in Computational Mechanics: From Nano to Macroscale, Virtual Workshop, March 25-26, 2021. 

3. Practical Time Averaging of nonlinear dynamics with application to plasticity from Discrete Dislocation Dynamics, Poster Presentation at Graduate and Postdoctoral Research Symposium, University of Miami, March 5, 2020. 

4. Co-author: Dislocation patterning in Finite Deformation Dislocation Mechanics and Towards Plasticity without phenomenological assumptions, presented by Amit Acharya at Dislocations 2019 held at Haifa, Israel (Sept 15-20, 2019). The Dislocations 20XX series is a quadrennial International conference held in different parts of the world.

5. Toward plasticity without phenomenological assumptions, presented at U.S. National Congress on Computational Mechanics (USNCCM), Austin, Texas, July 30, 2019.

6. Computing singularly perturbed differential equations and plasticity without constitutive assumptions, presented at World Congress on Computational Mechanics (WCCM), New York City, July 26, 2018.

7. Computing singularly perturbed differential equations and plasticity without constitutive assumptions, presented at Society for Industrial and Applied Mathematics (SIAM), Portland, Oregon, July 13, 2018.

8. Co-author: Practical time averaging of nonlinear dynamics, presented by Amit Acharya at Multiscale Materials Modeling held at Osaka, Japan (Oct. 29 - Nov. 2, 2018).

9. High Performance Computing Workshop on Message Passing Interface (MPI), Pittsburgh Supercomputing Center, Oct. 3-4, 2017. 

10. Computing singularly perturbed differential equations. Poster presentation at Nonconvexity, Nonlocality and Incompatibility: From Materials to Biology, University of Pittsburgh, Pittsburgh, Pennsylvania, May 5-7, 2017.

11. Co-author: Plasticity models and connections with Dislocation Theory, presented by Amit Acharya as the opening plenary lecture at Dislocations 2016 held at Purdue University (Sept. 19-26, 2016).