Accession Number : ADA316861
Title : Hp-Adaptive Finite Element Methods for Time Dependent Problems with Applications to Stress Waves in Solids.
Descriptive Note : Final progress rept. 15 Jun 92-14 Jun 96,
Corporate Author : TEXAS UNIV AT AUSTIN
Personal Author(s) : Oden, J. T.
PDF Url : ADA316861
Report Date : AUG 1996
Pagination or Media Count : 4
Abstract : The general goals of this project included the development of new, high-order, adaptive methods for the computer simulation of stress-wave propagation phenomena in solid mechanics, particularly elastodynamics. The motivation for using adaptive methodologies is to control and optimize the computational process, to use a posteriori error estimates to optimize meshes and spectral orders of approximation. Such orchestrated meshing can produce exponential rates of convergence, thereby allowing complex simulations to be done using orders-of-magnitude fewer unknowns than standard methods.
Descriptors : *COMPUTERIZED SIMULATION, *TIME DEPENDENCE, *FINITE ELEMENT ANALYSIS, *SOLIDS, *WAVE PROPAGATION, *STRESS WAVES, METHODOLOGY, MECHANICAL PROPERTIES, COMPUTATIONS, PROBLEM SOLVING, ESTIMATES, MECHANICS, ERROR ANALYSIS, ADAPTIVE SYSTEMS, STANDARDIZATION, ADAPTATION, ELASTIC WAVES.
Subject Categories : Numerical Mathematics
Computer Programming and Software
Distribution Statement : APPROVED FOR PUBLIC RELEASE