A numerical study of semipermeable cracks in Magneto-Electro-Elastic material using XFEM

J Jena, IV Singh, V Gaur - Engineering Fracture Mechanics, 2022 - Elsevier
In this paper, an XFEM-based framework is presented to model the semipermeable crack in
magneto-electro-elastic (MEE) material. The interaction-integral technique is modified and …

A microstructure based elasto-plastic polygonal FEM and CDM approach to evaluate LCF life in titanium alloys

D Sharma, IV Singh, J Kumar - International Journal of Mechanical …, 2022 - Elsevier
This work presents the influence of microstructure on the LCF life of two-phase titanium
alloys. An elasto-plastic polygonal FEM and continuum damage mechanics approach has …

A study on the effect of residual stresses on hydride assisted crack in Zr-2.5 Nb pressure tube material using XFEM

A Jha, S Sarkar, IV Singh, BK Mishra, R Singh… - Theoretical and Applied …, 2022 - Elsevier
Residual stresses in the Zr-2.5 Nb pressure tube (PT) significantly affect its resistance to
hydride embrittlement. This work aims to study the influence of residual stresses on hydride …

A computational framework based on 3D microstructure modelling to predict the mechanical behaviour of polycrystalline materials

D Sharma, IV Singh, J Kumar - International Journal of Mechanical …, 2023 - Elsevier
In this work, a computational framework is proposed to predict the microstructure sensitive
mechanical behaviour of polycrystalline materials ie, fatigue crack initiation life and …

Effect of stress ratio and welding residual stresses on the fatigue crack growth behaviour of Weldox-700 steel using LGDM

S Baruah, R Tiwari, IV Singh, A Manglik - Engineering Fracture Mechanics, 2024 - Elsevier
In this work, numerical simulations of high-cycle fatigue and fatigue crack growth have been
performed using localizing gradient damage methodology (LGDM) for base and welded …

A Domain-independent interaction integral for dynamic fracture in nonhomogeneous magneto-electro-elastic materials

S Zhu, H Yu, B Wang, L Hao, S Liu, J Wang… - Engineering Fracture …, 2023 - Elsevier
In practice, magneto-electro-elastic (MEE) equipment are inevitably subjected to impact
loading during service, resulting in fracture failure of the devices. This paper proposes a …

XFEM for semipermeable crack in piezoelectric material with Maxwell stress

J Jena, IV Singh, V Gaur - Engineering Fracture Mechanics, 2023 - Elsevier
In this work, extended finite element method (XFEM) is implemented to model the
semipermeable cracks in the piezoelectric material with Maxwell stresses. This Maxwell …

XFEM for multiphysics analysis of edge dislocations with nonuniform misfit strain: A novel enrichment implementation

N Duhan, BK Mishra, IV Singh - Computer Methods in Applied Mechanics …, 2023 - Elsevier
In this work, the eXtended finite element method (XFEM) is implemented for the multiphysics
analysis of edge dislocations near a heterostructure (bi-material) interface with nonuniform …

Low-cycle fatigue simulation of ductile materials using elasto-plastic gradient damage approach

S Baruah, IV Singh - International Journal of Mechanical Sciences, 2024 - Elsevier
This work presents a novel computational strategy based on gradient enhanced damage
and cyclic yielding with nonlinear mixed hardening behaviour for simulating low-cycle …

Numerical study of the hydride embrittlement in zirconium alloy using XFEM

A Jha, N Duhan, IV Singh, BK Mishra… - … Journal of Structural …, 2025 - World Scientific
A numerical model for hydride embrittlement in Zirconium alloy (Zr–2.5 Nb) is developed
utilizing the extended finite element method (XFEM). Hydride embrittlement reduces the …