A contact formulation based on a volumetric potential: Application to isogeometric simulations of atrioventricular valves

D Kamensky, F Xu, CH Lee, J Yan, Y Bazilevs… - Computer methods in …, 2018 - Elsevier
This work formulates frictionless contact between solid bodies in terms of a repulsive
potential energy term and illustrates how numerical integration of the resulting forces is …

An immersogeometric formulation for free-surface flows with application to marine engineering problems

Q Zhu, F Xu, S Xu, MC Hsu, J Yan - Computer Methods in Applied …, 2020 - Elsevier
An immersogeometric formulation is proposed to simulate free-surface flows around
structures with complex geometry. The fluid–fluid interface (air–water interface) is handled …

Coupling of IGA and peridynamics for air-blast fluid-structure interaction using an immersed approach

M Behzadinasab, G Moutsanidis, N Trask, JT Foster… - Forces in …, 2021 - Elsevier
We present a novel formulation based on an immersed coupling of Isogeometric Analysis
(IGA) and Peridynamics (PD) for the simulation of fluid-structure interaction (FSI) …

Simulating air blast on concrete structures using the volumetric penalty coupling of isogeometric analysis and peridynamics

S Shende, M Behzadinasab, G Moutsanidis… - … Models and Methods …, 2022 - World Scientific
A stabilized Isogeometric formulation of compressible flows is coupled to a large-
deformation inelastic solid with an M7 Microplane constitutive model of concrete failure …

Treatment of near-incompressibility and volumetric locking in higher order material point methods

RM Telikicherla, G Moutsanidis - Computer Methods in Applied Mechanics …, 2022 - Elsevier
We propose a novel projection method to treat near-incompressibility and volumetric locking
in small-and large-deformation elasticity and plasticity within the context of higher order …

IGA-MPM: the isogeometric material point method

G Moutsanidis, CC Long, Y Bazilevs - Computer Methods in Applied …, 2020 - Elsevier
We propose the use of Isogeometric Analysis (IGA) within the context of the Material Point
Method (MPM), and refer to the approach as IGA-MPM. We use the idea of IGA, and its …

Hyperbolic phase field modeling of brittle fracture: Part I—theory and simulations

D Kamensky, G Moutsanidis, Y Bazilevs - … of the Mechanics and Physics of …, 2018 - Elsevier
We propose a new phase field model of dynamic brittle fracture, in which material damage
evolves according to a hyperbolic partial differential equation. This model can be stably …

Hyperbolic phase field modeling of brittle fracture: Part II—immersed IGA–RKPM coupling for air-blast–structure interaction

G Moutsanidis, D Kamensky, JS Chen… - Journal of the Mechanics …, 2018 - Elsevier
Part I of this series introduced a formulation of phase field fracture in which the inclusion of
micro-scale inertia leads to a hyperbolic system of partial differential equations governing …

A fully coupled finite element formulation for liquid–solid–gas thermo-fluid flow with melting and solidification

J Yan, W Yan, S Lin, GJ Wagner - Computer Methods in Applied Mechanics …, 2018 - Elsevier
Many important industrial processes, such as additive manufacturing, involve rapid mass,
flow and heat transport between gas, liquid and solid phases. Various associated …

IGA-PD penalty-based coupling for immersed air-blast fluid–structure interaction: a simple and effective solution for fracture and fragmentation

M Behzadinasab, M Hillman, Y Bazilevs - Journal of Mechanics, 2021 - academic.oup.com
We present a novel formulation for the immersed coupling of isogeometric analysis and
peridynamics for the simulation of fluid–structure interaction (FSI). We focus on air-blast FSI …