High-order curvilinear finite element methods for Lagrangian hydrodynamics

VA Dobrev, TV Kolev, RN Rieben - SIAM Journal on Scientific Computing, 2012 - SIAM
The numerical approximation of the Euler equations of gas dynamics in a
movingLagrangian frame is at the heart of many multiphysics simulation algorithms. In this …

CRKSPH–a conservative reproducing kernel smoothed particle hydrodynamics scheme

N Frontiere, CD Raskin, JM Owen - Journal of Computational Physics, 2017 - Elsevier
We present a formulation of smoothed particle hydrodynamics (SPH) that utilizes a first-order
consistent reproducing kernel, a smoothing function that exactly interpolates linear fields …

A discontinuous Galerkin discretization for solving the two-dimensional gas dynamics equations written under total Lagrangian formulation on general unstructured …

F Vilar, PH Maire, R Abgrall - Journal of Computational Physics, 2014 - Elsevier
Based on the total Lagrangian kinematical description, a discontinuous Galerkin (DG)
discretization of the gas dynamics equations is developed for two-dimensional fluid flows on …

Lagrangian shock hydrodynamics on tetrahedral meshes: A stable and accurate variational multiscale approach

G Scovazzi - Journal of Computational Physics, 2012 - Elsevier
In the past, a number of attempts have failed to robustly compute highly transient shock
hydrodynamics flows on tetrahedral meshes. To a certain degree, this is not a surprise, as …

Curvilinear finite elements for Lagrangian hydrodynamics

VA Dobrev, TE Ellis, TV Kolev… - International Journal for …, 2011 - Wiley Online Library
We have developed a novel high‐order, energy conserving approach for solving the Euler
equations in a moving Lagrangian frame, which is derived from a general finite element …

An immersed MMALE material point method for FSI problems with structure fracturing

L Kan, X Zhang - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
The fluid–structure-interaction (FSI) modeling is important for both academic studies and
engineering applications, but is also one of the grand challenges in the numerical modeling …

Underwater electrical explosion of wires and wire arrays and generation of converging shock waves

YE Krasik, S Efimov, D Sheftman… - … on plasma science, 2016 - ieeexplore.ieee.org
A brief review of the results obtained in recent research of underwater electrical explosions
of wires and wire arrays using microsecond-, submicrosecond-, and nanosecond-timescale …

Nanosecond freezing of water at high pressures: Nucleation and growth near the metastability limit

PC Myint, AA Chernov, B Sadigh, LX Benedict… - Physical Review Letters, 2018 - APS
The fundamental study of phase transition kinetics has motivated experimental methods
toward achieving the largest degree of undercooling possible, more recently culminating in …

Large-eddy and unsteady RANS simulations of a shock-accelerated heavy gas cylinder

BE Morgan, JA Greenough - Shock Waves, 2016 - Springer
Two-dimensional numerical simulations of the Richtmyer–Meshkov unstable “shock-jet”
problem are conducted using both large-eddy simulation (LES) and unsteady Reynolds …

[HTML][HTML] Computational study of the shock driven instability of a multiphase particle-gas system

JA McFarland, WJ Black, J Dahal, BE Morgan - Physics of Fluids, 2016 - pubs.aip.org
This paper considers the interaction of a shock wave with a multiphase particle-gas system
which creates an instability similar in some ways to the Richtmyer-Meshkov instability but …