Refereed Journal Publications
Refereed Journal Publications
V Ananchaperumal, S Vedantam, Mahendaran Uchimali (2025), Modelling Delamination of Elastic Layers from Shape Memory Alloy Substrates, Shape Memory and Superelasticity, 1-10
Crack interaction with the martensite microstructure is explored.
The effect of SMA on the delamination is studied.
Mahendaran Uchimali, P Sittner (2023), A Brief Review on Discrete Modelling of Martensitic Phase Transformations, Shape Memory and Superelasticity
I've talked about the developmental roadmap of the discrete element approach.
The DEM's ability to describe the phase transformation and plastic response is reviewed.
Venkatesh, Srikanth Vedantam, Mahendaran Uchimali (2022), A discrete particle model study of the effect of temperature and geometry on the pseudoelastic response of shape memory alloys, International Journal of Mechanical Sciences
The effect of temperature on the stress-induced transformation is studied.
The influence of temperature and specimen geometry on the pseudoelastic stress-strain response is analysed
Mahendaran Uchimali, Srikanth Vedantam (2021), Modelling stress-strain response of shape memory alloys during reorientation of self-accommodated martensites with different morphologies, Mechanics of Advanced Materials and Structures
The newly developed DPM describes the shape memory effect (thermal transformation and detwinning).
The influence of martensite morphology on the stress-strain response during detwinning is studied.
Mahendaran Uchimali (2021), Effect of stress on the thermal hysteresis of martensitic transformations – A continuum based particle dynamics model, Mechanics of Advanced Materials and Structures
Thermal hysteresis during the temperature-induced phase transformation is described using the newly developed DPM.
Prestress's effect on thermal hysteresis and the corresponding martensite microstructure is analysed.
Mahendaran Uchimali, Balkrishna C Rao, Srikanth Vedantam (2021), Modeling size and orientation effects on the morphology of microstructure formed in martensitic phase transformations using a novel discrete particle model, Acta Materialia 205 (116528).
Size effect on the resulting self-accommodated martensite morphology and its influence on macroscopic response is studied using newly developed DPM.
Described the stick-slip kinetic relation and corresponding dispersive waves from the moving ledge.
Mahendaran Uchimali, Balkrishna C Rao, Srikanth Vedantam (2020), Constitutively informed multi-body interactions for lattice particle models, Computer Methods in Applied Mechanics and Engineering 366 (113052).
Formulated a novel multibody interaction directly from the continuum constitutive free energy for the discrete element models
Validated the particle interaction for isotropic and orthotropic elastic material behaviours.
Applied the model to describe fine-scale features (crack and phase & twin boundaries) and their evolution.