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Title: An analysis of the stress wave in solids (SWIS) finite element code
Authors: Faran, Karen J. L.
Keywords: Finite element
Numerical modeling
Stress waves
Wave propagation
SWIS (computer program)
Wave mechanics
Seismic waves
Shock waves
Publisher: Cold Regions Research and Engineering Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Special report (Cold Regions Research and Engineering Laboratory (U.S.)) ; 91-21.
Description: Special Report
Abstract: The Stress Wave in Solids (SWIS) finite element code is a versatile program in that it can solve problems in one, two or three spatial dimensions. Although the code assumes linear elasticity and isotropic materials, it can solve problems in regions containing up to nine different material types. To demonstrate its utility, SWIS has been used to solve three classical wave propagation problems: one-dimensional longitudinal displacement, impulse along the length of a cantilevered beam and Lamb's problem. This report describes how to use SWIS by summarizing the contents of the input and output files. Discussions of damping factors, computation times and comparisons to other solutions are also included.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Special Report

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