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Chandrasekhar Annavarapu

Indian Institute of Technology (IIT), Madras

Chennai

India

SCHOLARLY PAPERS

10

DOWNLOADS

1,019

TOTAL CITATIONS

6

Scholarly Papers (10)

1.

Adaptive Interface-PINNs(AdaI-PINNs) for Inverse Problems: Determining Material Properties for Heterogeneous Systems

Number of pages: 28 Posted: 19 Oct 2024 Last Revised: 05 Jun 2025
Dibakar Roy Sarkar, Chandrasekhar Annavarapu and Pratanu Roy
Indian Institute of Technology (IIT), Madras, Indian Institute of Technology (IIT), Madras and Lawrence Livermore National Laboratory
Downloads 248 (308,710)

Abstract:

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physics-informed neural networks, inverse problems, discontinuous material properties, multi-material diffusion

2.

A detailed guide to an open-source implementation of the hybrid phase field method for 3D fracture modeling in deal.II

The paper has been accepted to appear in the journal Computer Physics Communications on 13/10/2025.
Number of pages: 42 Posted: 23 Oct 2025
Wasim Niyaz Munshi, Marc Fehling, Wolfgang Bangerth and Chandrasekhar Annavarapu
Indian Institute of Technology Madras, Charles University, Colorado State University, Fort Collins and Indian Institute of Technology (IIT), Madras
Downloads 153 (485,678)

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Phase field method, three-dimensional fractures, deal.ii implementation, parallel framework, adaptive mesh refinement.

3.

Interface Pinns: A Framework of Physics-Informed Neural Networks for Interface Problems

Number of pages: 51 Posted: 20 Mar 2024
Antareep Sarma, Sumanta Roy, Chandrasekhar Annavarapu, Pratanu Roy and Sriram Jagannathan
affiliation not provided to SSRN, Indian Institute of Technology (IIT), Madras, Indian Institute of Technology (IIT), Madras, Lawrence Livermore National Laboratory and affiliation not provided to SSRN
Downloads 127 (569,079)
Citation 6

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Physics-informed Neural Networks, heterogeneous materials, Deep Learning, partial differential equations, Physics-informed machine learning

4.

Adaptive Interface-PINNs (AdaI-PINNs) for Transient Diffusion: Applications to Forward and Inverse Problems in Heterogeneous Media

Number of pages: 36 Posted: 28 Sep 2024 Last Revised: 13 Feb 2025
Indian Institute of Technology (IIT), Madras, Indian Institute of Technology (IIT), Madras, Indian Institute of Technology (IIT), Madras, Lawrence Livermore National Laboratory, affiliation not provided to SSRN and ExxonMobil Technology and Engineering Company
Downloads 120 (596,393)

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physics-informed neural networks, Deep learning, heterogeneous media, Interface Problems, transient diffusion, discontinuities

5.

Modeling Three-Dimensional Crack Interaction in Layered Materials with Imperfectly Bonded Interfaces Using a Phase-Field Model

Number of pages: 42 Posted: 12 Jun 2025
Indian Institute of Technology Madras, Indian Institute of Technology (IIT), Madras, Indian Institute of Technology (IIT), Madras and Universitat Politécnica de Catalunya
Downloads 114 (621,896)

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Three-dimensional fractures, phase-field, layered materials, crack inclination, crack twisting

6.

Adaptive phase-field modeling of fracture propagation in layered media: effects of mechanical property mismatches, layer thickness and interface strength

Number of pages: 57 Posted: 04 Apr 2024 Last Revised: 22 Aug 2025
Salman Khan, Ishank Singh, Chandrasekhar Annavarapu and Antonio Rodriguez-Ferran
Indian Institute of Technology (IIT), Madras, affiliation not provided to SSRN, Indian Institute of Technology (IIT), Madras and Universitat Politécnica de Catalunya
Downloads 99 (704,534)

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adaptive phase-field method, layered materials, Fracture mechanisms, Fracture-interface interactions, imperfectly bonded interfaces

7.

An Adaptive Mesh Refinement Algorithm for Stress-Based Phase Field Fracture Models for Heterogeneous Media: Application Using Fenics to Ice-Rock Cliff Failures

Number of pages: 42 Posted: 19 Oct 2024
Nguyen Duc Tien, Abhinav Gupta, Ravindra Duddu and Chandrasekhar Annavarapu
Vanderbilt University, Vanderbilt University, Vanderbilt University and Indian Institute of Technology (IIT), Madras
Downloads 78 (830,555)

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Phase-field fracture, Heterogeneous media, Adaptive mesh refinement, Ice and rock fracture, Hanging glaciers

8.

Adaptive Phase – Field Modeling of Fracture in Orthotropic Composites

Engineering Fracture Mechanics, volume 292, 2023[10.1016/j.engfracmech.2023.109673]
Number of pages: 53 Posted: 22 Aug 2025
Delft University of Technology (TU Delft), Universitat Politécnica de Catalunya, Indian Institute of Technology (IIT), Madras, Indian Institute of Technology (IIT), Madras and Universitat Politécnica de Catalunya
Downloads 38 (1,222,651)

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Phase-Field, Fracture Propagation, Damage, Composites, Orthotropic Materials

9.

Adaptive Phase-Field Modeling of Fracture Propagation in Bi-Layered Materials

Number of pages: 48 Posted: 04 Sep 2025
Salman Khan, Alba Muixí, Chandrasekhar Annavarapu and Antonio Rodriguez-Ferran
Indian Institute of Technology (IIT), Madras, Universitat Politécnica de Catalunya, Indian Institute of Technology (IIT), Madras and Universitat Politécnica de Catalunya
Downloads 32 (1,304,549)

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Adaptive Phase-Field Method, Bi-Layered Media, Crack Penetration, Crack Deflection

10.

Phase-field analysis of fracture in heterogeneous wellbore systems: effects of casing eccentricity and cement-formation interface strength

Number of pages: 43 Posted: 15 Jun 2026
Indian Institute of Technology Madras, Indian Institute of Technology Madras, Indian Institute of Technology (IIT), Madras and University of Southern California
Downloads 10

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Phase-field fracture, Wellbore integrity, casing eccentricity, three-dimensional fractures, weak interfaces