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 …

Insight into heart-tailored architectures of hydrogel to restore cardiac functions after myocardial infarction

X Chen, L Zhu, X Wang, J Xiao - Molecular Pharmaceutics, 2022 - ACS Publications
With permanent heart muscle injury or death, myocardial infarction (MI) is complicated by
inflammatory, proliferation and remodeling phases from both the early ischemic period and …

[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 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 …

Constitutive modeling for hydrogel composites with arbitrary fiber distribution

X Nian, Q Yang, W Rao - Composite Structures, 2023 - Elsevier
In this work, a constitutive model is developed to consider the effect of arbitrary fiber
distribution on the swelling and tensile deformations of fiber-reinforced hydrogels. In the …

Hygroscopic damage of fiber–matrix interface in unidirectional composites: A computational approach

KV Vaishakh, NK Parambil, V Srivastava - International Journal of …, 2024 - Elsevier
The mechanical properties of fiber-reinforced composites are significantly affected by
hygroscopic exposure. Recent experimental findings reveal that the diffusion of water …

[HTML][HTML] A higher-order morphoelastic beam model for tubes and filaments subjected to biological growth

J Zhong, V Srivastava - International Journal of Solids and Structures, 2021 - Elsevier
Slender structures, in which width and thickness are much smaller than the length, are
common in the natural world, such as wheat straws, bean sprouts, and biofilaments. Due to …

A machine learning method to characterize the crack length and position in high-density polyethylene using ultrasound

S Niu, V Bellala, DA Qureshi, V Srivastava - arXiv preprint arXiv …, 2023 - arxiv.org
High-density polyethylene (HDPE) is a semi-crystalline polymer used in several critical
applications, ranging from cooling water pipelines in nuclear power plants and natural gas …

Role of coupled electrochemistry and stress on the Li-anode instability: A continuum approach

S Konica, BW Sheldon, V Srivastava - arXiv preprint arXiv:2405.05837, 2024 - arxiv.org
We present a coupled mechanistic approach that elucidates the intricate interplay between
stress and electrochemistry, enabling the prediction of the onset of instabilities in Li-metal …