Modeling finite-strain plasticity using physics-informed neural network and assessment of the network performance

S Niu, E Zhang, Y Bazilevs, V Srivastava - … of the Mechanics and Physics of …, 2023 - Elsevier
Physics-informed neural networks (PINN) can solve partial differential equations (PDEs) by
encoding the mathematical information explicitly into the loss functions. In the context of …

Cryogenic mechanical properties of 316L stainless steel fabricated by selective laser melting

C Wang, X Lin, L Wang, S Zhang, W Huang - Materials Science and …, 2021 - Elsevier
Abstract 316L stainless steel fabricated by selective laser melting (SLM) has a wide range
application in complex structural parts servicing at cryogenic temperature due to its good …

[HTML][HTML] Simulation trained CNN for accurate embedded crack length, location, and orientation prediction from ultrasound measurements

S Niu, V Srivastava - International Journal of Solids and Structures, 2022 - Elsevier
Accurate quantitative characterization of crack length, location, and orientation are critical for
the safety assessment of load bearing structures to avoid catastrophic structural failures …

A large deformation constitutive model for plastic strain-induced phase transformation of stainless steels at cryogenic temperatures

M Homayounfard, M Ganjiani - International Journal of Plasticity, 2022 - Elsevier
In this paper, a new constitutive model for plastic behavior of the metastable austenitic
stainless steels at cryogenic temperatures is presented. The constitutive model is a …

A large deformation model for quasi-static to high strain rate response of a rate-stiffening soft polymer

A Konale, Z Ahmed, P Wanchoo… - International Journal of …, 2023 - Elsevier
Polyborosiloxane (PBS) is an important rate-stiffening soft polymer with dynamic, reversible
crosslinks used in applications ranging from self-healing sensing and actuation to body and …

Ultrasound classification of interacting flaws using finite element simulations and convolutional neural network

S Niu, V Srivastava - Engineering with Computers, 2022 - Springer
Interacting flaws refer to conditions when two flaws are in close proximity and have the
potential to interact with each other to significantly reduce the integrity of a structure …

Effect of elasticity on phase separation in heterogeneous systems

M Kothari, T Cohen - Journal of the Mechanics and Physics of Solids, 2020 - Elsevier
Physical systems consisting of an elastic matrix permeated by fluid mixture are ubiquitous,
with examples ranging from morphogenesis of a single biological cell to the migration of …

Experimental and numerical investigation of martensite phase transformation in austenitic stainless steel subjected to ultrasonic nanocrystal surface modification at …

A Ghasemi, SAS Vanini - Surface and Coatings Technology, 2023 - Elsevier
This study aims to investigate the evolution of martensite volume fraction (ξ) following
ultrasonic nanocrystal surface modification (UNSM) on metastable austenitic stainless steel …

A continuum model and simulations for large deformation of anisotropic fiber–matrix composites for cardiac tissue engineering

Y Bai, NJ Kaiser, KLK Coulombe… - Journal of the mechanical …, 2021 - Elsevier
Cardiac patch therapies promise to restore heart function and lower the risk of heart failure
after heart attack. Fiber–matrix engineered tissue scaffolds have gained significant attention …

Nonlinear inclusion theory with application to the growth and morphogenesis of a confined body

J Li, M Kothari, S Chockalingam, T Henzel… - Journal of the …, 2022 - Elsevier
One of the most celebrated contributions to the study of the mechanical behavior of materials
is due to JD Eshelby, who in the late 50s revolutionized our understanding of the elastic …