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ALEGRA: Finite element modeling for shock hydrodynamics and multiphysics

International Journal of Impact Engineering

Niederhaus, John H.; Bova, S.W.; Carleton, James B.; Carpenter, John H.; Cochrane, Kyle C.; Crockatt, Michael M.; Dong, Wen D.; Fuller, Timothy J.; Granzow, Brian N.; Ibanez-Granados, Daniel A.; Kennon, Stephen; Luchini, Christopher B.; Moral, Ramon; O'Brien, Christopher J.; Powell, Michael P.; Robinson, Allen C.; Rodriguez, Angel E.; Sanchez, Jason J.; Scott, Walter A.; Siefert, Christopher S.; Stagg, Alan K.; Kalashnikova, Irina; Voth, Thomas E.; Wilkes, John

ALEGRA is a multiphysics finite-element shock hydrodynamics code, under development at Sandia National Laboratories since 1990. Fully coupled multiphysics capabilities include transient magnetics, magnetohydrodynamics, electromechanics, and radiation transport. Importantly, ALEGRA is used to study hypervelocity impact, pulsed power devices, and radiation effects. The breadth of physics represented in ALEGRA is outlined here, along with simulated results for a selected hypervelocity impact experiment.

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ALEGRA: finite element modeling for shock hydrodynamics and multiphysics

Niederhaus, John H.; Powell, Michael P.; Bova, S.W.; Carleton, James B.; Carpenter, John H.; Cochrane, Kyle C.; Crockatt, Michael M.; Dong, Wen D.; Fuller, Timothy J.; Granzow, Brian N.; Ibanez-Granados, Daniel A.; Kennon, Stephen; Luchini, Christopher B.; Moral, Ramon; O'Brien, Christopher J.; Robinson, Allen C.; Rodriguez, Angel E.; Sanchez, Jason J.; Scott, Walter A.; Siefert, Christopher S.; Stagg, Alan K.; Kalashnikova, Irina; Voth, Thomas E.

Abstract not provided.

Percept User Manual

Carnes, Brian C.; Kennon, Stephen

This document is the main user guide for the Sierra/Percept capabilities including the mesh_adapt and mesh_transfer tools. Basic capabilities for uniform mesh refinement (UMR) and mesh transfers are discussed. Examples are used to provide illustration. Future versions of this manual will include more advanced features such as geometry and mesh smoothing. Additionally, all the options for the mesh_adapt code will be described in detail. Capabilities for local adaptivity in the context of offline adaptivity will also be included. This page intentionally left blank.

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Percept User Manual

Carnes, Brian C.; Kennon, Stephen

This document is the main user guide for the Sierra/Percept capabilities including the mesh_adapt and mesh_transfer tools. Basic capabilities for uniform mesh refinement (UMR) and mesh transfers are discussed. Examples are used to provide illustration. Future versions of this manual will include more advanced features such as geometry and mesh smoothing. Additionally, all the options for the mesh_adapt code will be described in detail. Capabilities for local adaptivity in the context of offline adaptivity will also be included.

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5 Results
5 Results