skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: A point-centered arbitrary Lagrangian Eulerian hydrodynamic approach for tetrahedral meshes

Journal Article · · Journal of Computational Physics

We present a three dimensional (3D) arbitrary Lagrangian Eulerian (ALE) hydrodynamic scheme suitable for modeling complex compressible flows on tetrahedral meshes. The new approach stores the conserved variables (mass, momentum, and total energy) at the nodes of the mesh and solves the conservation equations on a control volume surrounding the point. This type of an approach is termed a point-centered hydrodynamic (PCH) method. The conservation equations are discretized using an edge-based finite element (FE) approach with linear basis functions. All fluxes in the new approach are calculated at the center of each tetrahedron. A multidirectional Riemann-like problem is solved at the center of the tetrahedron. The advective fluxes are calculated by solving a 1D Riemann problem on each face of the nodal control volume. A 2-stage Runge–Kutta method is used to evolve the solution forward in time, where the advective fluxes are part of the temporal integration. The mesh velocity is smoothed by solving a Laplacian equation. The details of the new ALE hydrodynamic scheme are discussed. Results from a range of numerical test problems are presented.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1194068
Report Number(s):
LA-UR-14-26454; PII: S0021999115000947
Journal Information:
Journal of Computational Physics, Vol. 290, Issue C; ISSN 0021-9991
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 16 works
Citation information provided by
Web of Science

References (51)

Lagrangian Gas Dynamics in Two Dimensions and Lagrangian systems journal October 2005
Vorticity errors in multidimensional lagrangian codes journal February 1992
Simulation of a store separation using the finite element method journal April 1988
A two-dimensional unstructured cell-centered multi-material ALE scheme using VOF interface reconstruction journal August 2010
A direct Arbitrary-Lagrangian–Eulerian ADER-WENO finite volume scheme on unstructured tetrahedral meshes for conservative and non-conservative hyperbolic systems in 3D journal October 2014
Lagrangian ADER-WENO finite volume schemes on unstructured triangular meshes based on genuinely multidimensional HLL Riemann solvers journal June 2014
A general topology, Godunov method journal January 1988
A cell-centered Lagrangian Godunov-like method for solid dynamics journal August 2013
A Compatible, Energy and Symmetry Preserving Lagrangian Hydrodynamics Algorithm in Three-Dimensional Cartesian Geometry journal January 2000
A cell-centered Lagrangian hydrodynamics scheme on general unstructured meshes in arbitrary dimension journal August 2009
The evolution of HOBO journal January 1988
Analytic solutions of hydrodynamics equations journal May 1991
Simplified Second-Order Godunov-Type Methods journal May 1988
Curvilinear finite elements for Lagrangian hydrodynamics journal June 2010
A general, non-iterative Riemann solver for Godunov's method journal October 1985
Vorticity errors in multidimensional lagrangian codes journal March 1992
The Discrete Geometric Conservation Law and the Nonlinear Stability of ALE Schemes for the Solution of Flow Problems on Moving Grids journal December 2001
The Lagrangian solution of transient problems in hydrodynamics using a triangular mesh journal May 1979
On the significance of the geometric conservation law for flow computations on moving meshes journal December 2000
Hydrodynamic Problems Involving Large Fluid Distortions journal April 1957
Laser compression of matter: optical power and energy requirements journal December 1974
Theory of homogeneous isentropic compression and its application to laser fusion journal January 1974
Laser-driven compression of hollow shells: power requirements and stability limitations journal February 1976
A comparative study of interface reconstruction methods for multi-material ALE simulations journal April 2010
ReALE: A reconnection-based arbitrary-Lagrangian–Eulerian method journal June 2010
A second-order compatible staggered Lagrangian hydrodynamics scheme using a cell-centered multidimensional approximate Riemann solver journal May 2010
3D staggered Lagrangian hydrodynamics scheme with cell-centered Riemann solver-based artificial viscosity: 3D LAGRANGIAN HYDRO SCHEME WITH RIEMANN SOLVER ARTIFICIAL VISCOSITY
  • Loubère, Raphaël; Maire, Pierre-Henri; Váchal, Pavel
  • International Journal for Numerical Methods in Fluids, Vol. 72, Issue 1 https://doi.org/10.1002/fld.3730
journal September 2012
A high-order cell-centered Lagrangian scheme for two-dimensional compressible fluid flows on unstructured meshes journal April 2009
A Cell-Centered Lagrangian Scheme for Two-Dimensional Compressible Flow Problems journal January 2007
Staggered Lagrangian Discretization Based on Cell-Centered Riemann Solver and Associated Hydrodynamics Scheme journal October 2011
An approach for treating contact surfaces in Lagrangian cell-centered hydrodynamics journal October 2013
A Lagrangian staggered grid Godunov-like approach for hydrodynamics journal February 2014
A Godunov-like point-centered essentially Lagrangian hydrodynamic approach journal January 2015
An arbitrary Lagrangian–Eulerian discontinuous Galerkin method for simulations of flows over variable geometries journal February 2010
Godunov type method on non-structured meshes for three-dimensional moving boundary problems journal March 1994
Three-dimensional time-marching aeroelastic analyses using an unstructured-grid Euler method journal September 1993
Lagrangian shock hydrodynamics on tetrahedral meshes: A stable and accurate variational multiscale approach journal October 2012
A conservative nodal variational multiscale method for Lagrangian shock hydrodynamics journal December 2010
A survey of several finite difference methods for systems of nonlinear hyperbolic conservation laws journal April 1978
Geometric Conservation Law and Its Application to Flow Computations on Moving Grids journal October 1979
Convergence to Steady State Solutions of the Euler Equations on Unstructured Grids with Limiters journal April 1995
A discontinuous Galerkin discretization for solving the two-dimensional gas dynamics equations written under total Lagrangian formulation on general unstructured grids journal November 2014
A Method for the Numerical Calculation of Hydrodynamic Shocks journal March 1950
Derived data structure algorithms for unstructured finite element meshes journal January 2002
Microfluidics simulation using adaptive unstructured grids journal January 2004
Operator splitting and time accuracy in Lagrange plus remap solution methods journal November 2013
Verification of a three-dimensional unstructured finite element method using analytic and manufactured solutions journal July 2013
A three-dimensional finite element arbitrary Lagrangian–Eulerian method for shock hydrodynamics on unstructured grids journal March 2014
A nodal Godunov method for Lagrangian shock hydrodynamics on unstructured tetrahedral grids: A NODAL GODUNOV METHOD FOR LAGRANGIAN HYDRODYNAMICS journal June 2014
Use of artificial viscosity in multidimensional fluid dynamic calculations journal July 1980
Discrete form of the GCL for moving meshes and its implementation in CFD schemes journal January 1993

Cited By (1)