International Journals

Year: 2026

1. Tripurari, Sachin Kumar, Chandrakant K. Nirala, “A novel missing-rib auxetic structure with central node for enhanced mechanical performance”, Composite Structures, 2026, pp. 120555, Vol. 392. Elsevier, IF-7.8

2. Anshul Pandey, Sachin Kumar, Rajendra K. Gupta, S. Natarajan, “An adaptive framework for modelling progressive failure in fiber reinforced composites using anisotropic localizing gardient damage model”, Composite Structures, 2026, pp. 120295, Vol. 387. Elsevier, IF-7.8

Year: 2025

3. Anshul Pandey and Sachin Kumar, “A multi-level adaptive mesh refinement strategy for unified phase field fracture modelling using unstructured conformal simplices” Computer Methods in Applied Mechanics and Engineering, 2025, pp. 117514, Vol. 433. Elsevier, IF-7.6

4. Anshul Pandey and Sachin Kumar, “A Simple and Robust Mesh Refinement Implementation in Abaqus for Phase Field Modelling of Brittle Fracture” Computer Modelling in Engineering & Sciences, 2025, Vol 144, Issue 3, p3251. Elsevier, IF-2.9

Year: 2024

5. Umed Singh and Sachin Kumar, “Smoothed floating node method for modelling cohesive fracture in quasi-brittle materials” Mechanics of Advanced Materials and Structures, 2024, pp. 2259-2273, Vol. 31. Taylor & Francis, IF-3.6

6. Umed Singh, Sachin Kumar, H. Pathak, T.Q. Bui and R.K. Gupta, “Modelling of 2D thermos-elastic brittle fracture using smoothed floating node method” Mechanics of Advanced Materials and Structures, 2024, pp. 11817- 11832, Vol. 31. Taylor & Francis, IF-3.6

Year: 2023

7. Krashn, P. Lakhani, P. Sihota, K. Tikoo, Sachin Kumar and Navin Kumar,“The multiscale characterization and constitutive modeling of healthy and type 2 diabetes mellitus Sprague Dawley rat skin,” Acta Biomaterialia, Vol.  158, pp. 324-346, 2023. Elsevier, IF-10.4

8. W. Songsuwan, N. Wattanasakulpong and Sachin Kumar, “Nonlinear transient response of sandwich beams with functionally graded porous core under moving load”, Engineering Analysis with Boundary Elements, 2023, Vol. 155, pp. 11-24. Elsevier, IF-3.5

9. K. Dwivedi, H. Pathak and Sachin Kumar, “Variable node higher-order XFEM for fracture modeling in orthotropic material”, Part C: Journal of Mechanical Engineering Science, SAGE, IF – 1.8

10. D. Mehta, P. Sihota, K. Tikoo, Sachin Kumar, N. Kumar, “Type 2 diabetes alters the viscoelastic behavior and macromolecular composition of vertebra”, Bone Reports, 2023, pp. 101680, Vol. 18. Elsevier, IF-3.1

11. Krashn, P. Lakhani, Y. Yadav, Sachin Kumar and N. Kumar, “Location specific multi-scale characterization and constitutive modeling of pig data,” Journal of Mechanical Behavior of Biomedical Materials, 2023, pp. 105809, Vol. 142. Elsevier, IF-4.1

Year: 2022

12. Aakash Soni, Sachin Kumar and Navin Kumar, “Stochastic failure analysis of proximal femur using an isogeometric analysis based nonlocal gradient-enhanced damage model”, Computer Methods and Programs in Biomedicine, Vo;, 220, pp. 106820, 2022, Elsevier, IF-6.4

13. Alok Negi, Aakash Soni and Sachin Kumar, “An anisotropic localizing gradient damage approach for failure analysis of fiber reinforced composites” Composite Structures, pp. 115677, Vol. 294, 2022. Elsevier, IF-7.8

14. Alok Negi and Sachin Kumar, “A continuous-discontinuous localizing gradient damage framework for failure analysis of quasi-brittle materials” Computer Methods in Applied Mechanics and Engineering, pp. 114434, Vol. 390, 2022. Elsevier, IF-7.6

15. Umed Singh, Sachin Kumar, Boyang Chen, “Smoothed floating node method for modelling 2D arbitrary crack propagation problems”, Theoretical and Applied Fracture Mechanics, pp. 103190, Vol. 117, 2022. Elsevier, IF-6.0

16. Krashn K. Dwivedi, Piyush Lakhani, Sachin Kumar and Navin Kumar, “Effect of Collagen fiber orientation on the Poisson’s ratio and stress relaxation of skin: An ex-vivo and in-vivo study”, Royal Society of Open Science, Accepted. Royal Society, IF-3.0

17. Krashn K. Dwivedi, Piyush Lakhani, Sachin Kumar and Navin Kumar, “A hyperelastic model to capture the mechanical behaviour and histological aspects of the soft tissues”, Journal of Mechanical Behavior of Biomedical Materials, pp. 105013, Vol. 126, 2022. Elsevier, IF-4.1

Year: 2021

18. Aakash Soni, Alok Negi, Sachin Kumar and Navin Kumar, “An IGA based nonlocal gradient-enhanced damage model for failure analysis of cortical bone”, Engineering Fracture Mechanics, pp. 107976, Vol. 255, 2021. Elsevier, IF-6.2

19. Alok Negi, Umed Sing and Sachin Kumar, “Structural size effect in concrete using a micromorphic stress-based localizing gradient damage model”, Engineering Fracture Mechanics, pp. 107511, Vol. 243, 2021. Elsevier, IF-6.2

20. R.N. Yadav, P. Uniyal, P. Sihota, Sachin Kumar, V. Dhiman, V.G. Goni, D. Sahni, S.K. Bhadada, N. Kumar, "Effect of ageing on microstructural and fracture behavior of cortical bone as determined by experimental and Extended Finite Element Method (XFEM)", Medical Engineering & Physics, pp. 100-112, Vol. 93, 2021. Elsevier, IF-2.4

21. R.N. Yadav, P. Uniyal, P. Sihota, D. Neradi, J.C. Bose, V. Dhiman, S. Karn, S. Sharma, S. Aggarwal, V.G. Goni, Sachin Kumar, S.K. Bhadada, N. Kumar, "Prediction of mechanical properties of trabecular bone in patients with type 2 diabetes using damage finite element method", Journal of Biomechanics, pp. 110495, Vol. 123, 2021. Elsevier, IF-2.9

Year: 2020

22. Krashn K. Dwivedi, Piyush Lakhani, Sachin Kumar and Navin Kumar, “Frequency dependent inelastic response of collagen architecture of pig dermis under cyclic tensile loading: An experimental study”, Journal of Mechanical Behavior of Biomedical Materials, pp. 104030, Vol. 112, 2020. Elsevier, IF-4.1

23. Alok Negi, Sachin Kumar and L.H. Poh, “A Localizing gradient damage enhancement with micromorphic stress-based anisotropic nonlocal interactions” International Journal for Numerical Methods in Engineering, pp. 4003-4027, Vol. 121(18), 2020. Elsevier, IF-3.3

24. Aakash Soni, Sachin Kumar and Navin Kumar, “Effect of Parametric Uncertainties on Fracture Behavior of Cortical Bone using XIGA”, Engineering Fracture Mechanics, pp. 107079, Vol. 233, 2020. Elsevier, IF-6.2

25. Margi Gajjar, Himanshu Pathak and Sachin Kumar, “Elasto-Plastic Fracture Modeling for Crack Interaction with XFEM”, Transactions of the Indian Institute of Metals, pp. 1679-1687, Vol. 73, 2020. Springer, IF-1.8

26. Krashn K. Dwivedi, Piyush Lakhani, Sachin Kumar, N. Kumar, “The effect of strain rate on the stress relaxation of the pig dermis: a hyper-viscoelastic approach”, Journal of Biomechanical Engineering, pp. 091006, Vol. 142, 2020. ASME, IF-1.6

Year: 2019

27. Alok Negi, Sachin Kumar, “Localizing gradient damage model with smoothed stress based anisotropic nonlocal interactions”, Engineering Fracture Mechanics, pp. 21–39, Vol. 214, 2019. Elsevier, IF-6.2

28. Z. Wang, A.S. Shedbale, Sachin Kumar, L.H. Poh, “Localizing gradient damage model with micro inertia effect for dynamic fracture”, Computer Methods in Applied Mechanics and Engineering, pp. 492–512, Vol. 355, 2019. Elsevier, IF-7.6

29. Sachin Kumar, I.V. Singh, B.K Mishra, Kamal Sharma and I.A. Khan, “A homogenized multigrid XFEM to predict the crack growth behaviour of ductile material in the presence of microstructural defects”, Engineering Fracture Mechanics, pp. 577-602, Vol. 205, 2019. Elsevier, IF-6.2

Year: 2018

30. Sachin Kumar, Yihe Wang, L.H. Poh, B. Chen, Floating node method with domain-based interaction integral for generic 2D crack growths, Theoretical and Applied Fracture Mechanics, pp. 483–496, Vol. 96, 2018. Elsevier, IF-6.0

31. Sachin Kumar, G. Bhardwaj, “A new enrichment scheme in XFEM to model crack growth behavior in ductile materials", Theoretical and Applied Fracture Mechanics, pp. 296–307, Vol. 96, 2018. Elsevier, IF-6.0

32. J.G. Verma, Sachin Kumar, P.K. Kankar, “Crack growth modeling in spur gear tooth and its effect on mesh stiffness using extended finite element method”, Engineering Failure Analysis, pp. 109-120, Vol. 94, 2018. Elsevier, IF-7.0

Till 2017

33. Sachin Kumar, A. S. Shedbale, I. V Singh, B. K. Mishra, "Elasto-Plastic Fatigue Crack Growth Simulations in the Presence of Flaws using XFEM", Frontiers of Structural and Civil Engineering, pp. 420–440, Vol. 9, 2015. Springer, IF-3.1

34. Sachin Kumar, I. V Singh, B. K. Mishra, A. Singh, "New Enrichments in XFEM to Model Dynamic Crack Response of 2-D Elastic Solids", International Journal of Impact Engineering, pp. 198–211, Vol. 87, 2015. Elsevier, IF-6.7

35. Sachin Kumar, I. V Singh, B. K. Mishra, "A Homogenized XFEM Approach to Simulate Fatigue Crack Growth Problems", Computers & Structures, pp. 1–22, Vol. 150, 2015. Elsevier, IF-5.6

36. Sachin Kumar, I. V Singh, B. K. Mishra, T. Rabczuk, "Modeling and Simulation of Kinked Cracks by Virtual Node XFEM", Computer Methods in Applied Mechanics and Engineering, pp. 1425–1466, Vol. 283, 2015. Elsevier, IF-7.6

37. Sachin Kumar, I. V Singh, B. K. Mishra, "A Multigrid Coupled (FE-EFG) Approach to Simulate Fatigue Crack Growth in Heterogeneous Materials", Theoretical and Applied Fracture Mechanics, pp. 121–135, Vol. 72, 2014. Elsevier, IF-6.0

38. Sachin Kumar, I. V Singh, B. K. Mishra, "A Coupled Finite Element and Element-Free Galerkin Approach for the Simulation of Stable Crack Growth in Ductile Materials", Theoretical and Applied Fracture Mechanics, pp. 49–58, Vol. 70, 2014. Elsevier, IF-6.0

39. Sachin Kumar, I. V Singh, B. K. Mishra, "XFEM Simulation of Stable Crack Growth using J-R Curve under Finite Strain Plasticity", International Journal of Mechanics and Materials in Design, pp. 165–177, Vol. 10, 2014. Springer, IF-4.7

International Conferences

1. Sachin Kumar, Anshul Pandey, “An adaptive anisotropic gradient-enhanced damage framework for failure in fiber-reinforced composites”, 25th European Conference on Fracture (ECF25), Athens, Greece, September 6-11, 2026. (Accepted for presentation)

2. Tripurari, Sachin Kumar, “A new auxetic structure with improved mechanical response for quasi-static loading”, International Conference on Automation for a Sustainable Future, Gurukul Kangri University, Haridwar, February 27-28, 2026.  

3. Ashutosh Das, Anshul Pandey and Sachin Kumar, “A micromorphic stress based localizing gradient damage framework for thermo-mechanical loading”, 14th International Symposium on Plasticity and Impact Mechanics (IMPLAST 2025) October 12-16, 2025.

4. Sumesh Kumar Yadav, Tripurari and Sachin Kumar, “A new hybrid auxetic structure with enhanced mechanical properties for quasi-static loading”, 14th International Symposium on Plasticity and Impact Mechanics (IMPLAST 2025) October 12-16, 2025.

5. Anshul Pandey and Sachin Kumar, “An adaptive mesh refinement strategy for localizing gradient damage approach to predict progressive failure in fiber reinforced composites”, ISAMPE National Conference on Composites (INCCOM-19), 30-31 Jan, 2025, Pune, India.

6. Anshul Pandey and Sachin Kumar, “Adaptive unified phase-field model for unstructured conformal meshes based on multi-level marked grid refinement", 26th International Congress of Theoretical and Applied Mechanics, 25-30 Aug, 2024, Daegu, South Korea.

7. Sachin Kumar, “Localizing Gradient Damage Approach for Progressive Failure Analysis of Fiber Reinforced Composites”, International Conference on Composites: Design, Processing, Manufacturing and Health Monitoring (CDPMHM 2024) at IIT Mandi during 20-21st June, 2024.

8. Sachin Kumar, Rajeev Kumar, Anshul Pandey and Umed Singh, “Localizing gradient damage model integrated with smoothed finite element method for simulating quasi-brittle fracture”, 19th European Mechanics of Materials Conference (EMMC19), 29-31st May, 2024, Madrid, Spain.

9. Anshul Pandey and Sachin Kumar, "Python Scripting based mesh refinement algorithm for phase-field method implementation in Abaqus", 9th International Congress on Computational Mechanics, 20-22 Dec, 2023, IIT Gandhinagar, India.

10. Umed Singh, and Sachin Kumar, “Failure analysis of quasi-brittle materials using CZM based floating node method”, 67th Congress of the Indian Society of Theoretical and Applied Mechanics (ISTAM), December 14-16, 2022, IIT, Mandi, India.

11. R. Premanandan, A. Chilkoti, D. Rathore, A. Soni, and Sachin Kumar, “Design of a Bone-Inspired Composite”, 67th Congress of the Indian Society of Theoretical and Applied Mechanics (ISTAM), December 14-16, 2022, IIT, Mandi, India.

12. Alok Negi, Sachin Kumar, “A continuous-discontinuous damage model with micromorphic stress-based anisotropic nonlocal interactions, 14th World Congress in Computational Mechanics (WCCM) ECCOMAS Congress 2020, January 11-15, 2021, Paris, France (Online).

13. Aakash Soni, Sachin Kumar, Navin Kumar “Crack Propagation Study in a Cortical Bone using Isogeometric Analysis”, 64th Congress of the Indian Society of Theoretical and Applied Mechanics (ISTAM 2019), December 09-12, 2019, Indian Institute of Technology Bhubaneswar, India.

14. Alok Negi, Sachin Kumar, “Modeling Size Effects in Quasi-Brittle Materials using a Smoothed Stress-based Localizing Damage Model”, 64th Congress of the Indian Society of Theoretical and Applied Mechanics (ISTAM 2019), December 09-12, 2019, Indian Institute of Technology Bhubaneswar, India.

15. Umed Singh, Sachin Kumar, “Failure Analysis of Quasi-Brittle Materials using Cohesive Zone Model Assisted XFEM”, 64th Congress of the Indian Society of Theoretical and Applied Mechanics (ISTAM 2019), December 09-12, 2019, Indian Institute of Technology Bhubaneswar, India.

16. Margi Gajjar, Himanshu Pathak, Sachin Kumar, “A Comparative Study of Linear Elastic and Elasto-Plastic Fracture Modeling by XFEM”, 9th International Conference of Materials Processing and Characterization (ICMPC-2019), March 08-10, 2019, Hyderabad, India.

17. Alok Negi, Sachin Kumar, “Crack Growth Simulation in Quasi-Brittle Materials using a Localized Gradient Damage Model”, 63rd Congress of the Indian Society of Theoretical and Applied Mechanics (ISTAM 2018), December 20-23, 2018, Dayananda Sagar University, Bengaluru, India.

18. Jay Govind Verma, P.K. Kankar, Sachin Kumar, “Crack Propagation Behavior in Spur Gear by XFEM and Its Influence on Dynamic Characteristics”, 1st International and 4th National Conference on “Reliability and Safety Engineering (INCRS 2018), February 26-28, 2018, PDPM IIITDM Jabalpur, India.

19. Sachin Kumar, L.H. Poh, Boyang Chen, “A Floating Node Method for the Crack Growth Analysis of Brittle Materials”, 14th U.S. National Congress on Computational mechanics (USNCCM14), July 17-20, 2017, Montreal, Canada

20. Sachin Kumar, I.V. Singh, B.K. Mishra, M. Dwivedy, “Interfacial Fatigue Crack Growth Analysis in Ductile Materials using XFEM, 60th Congress of the Indian Society of Theoretical and Applied Mechanics (ISTAM 2015), December 16-19, MNIT, Jaipur, India.

21. I. V. Singh, B. K. Mishra, Sachin Kumar, A. S. Shedbale, "Nonlinear Fatigue Crack Growth Analysis of a Center Crack Plate by XFEM", 3rd International Conference on Materials Processing and Characterization, March 8–9, 2014, GRIET, Hyderabad, India.

22. Rajat Pratap, Sachin Kumar, I. V. Singh, B. K. Mishra, "Strain Energy Based Semi-homogenized XFEM Approach to Simulate Heterogeneous Problems", International Conference on Multifunctional Materials, Structures and Applications (ICMMSA-2014), pp. 123–126, December 22–24, 2014, MNNIT Allahabad, Uttar Pradesh, India.

23. Sachin Kumar, I. V. Singh, B. K. Mishra, R. Cardoso, J. W. Yoon, "A Multigrid XFEM Approach for the Elasto-Plastic Simulation of Bi-material Interfacial Cracks”, Ist International on Structural Integrity (ICONS-2014), pp. 642–649, February 4–7, 2014, Kalpakkam, Chennai, India.

24. Sachin Kumar, I. V. Singh, B. K. Mishra, "A Coupled Approach for the Simulation of Fatigue Crack Growth Problems", 58th congress of the Indian Society of Theoretical and Applied Mechanics (ISTAM 2013), December 18–21, 2013, BESU, Kolkata, India.

25. Sachin Kumar, I. V. Singh, B. K. Mishra, "Ductile Crack Growth Simulations under Mode-I Loading using CTOA Criterion", Ist International and 16th National Conference on Machines and Mechanism (INACOMM-2013), pp. 217–223, December 18–20, 2013 IIT Roorkee, Roorkee, India.

26. Sachin Kumar, I. V. Singh, B. K. Mishra, "A Coupled Meshfree-Finite Element Method for the Simulation of Large Deformation Problems", International Conference on Smart Technologies for Mechanical Engineering (STME-2013), October 25–26, 2013 DTU, Delhi, India.

27. Sachin Kumar, I. V Singh, B. K. Mishra (2013), "Numerical Investigation of Stable Crack Growth in Ductile Materials using XFEM", International Conference on Design and Manufacturing (IConDM-2013), July 18–20, IIITD&M, Kancheepuram, Chennai, India.

28. Sachin Kumar, I. V. Singh, B. K. Mishra, "XFEM Simulation of Stable Crack Growth using J-R Curve", 57th congress of the Indian Society of Theoretical and Applied Mechanics (ISTAM 2012), pp. 169–175, December 18–21, 2012, DIAT, Pune, India.