ADAPTIVE FINITE-ELEMENT METHODS FOR THE ANALYSIS OF INVISCID COMPRESSIBLE FLOW .1. FAST REFINEMENT UNREFINEMENT AND MOVING MESH METHODS FOR UNSTRUCTURED MESHES
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New adaptive finite element methods are presented for the analysis of unsteady inviscid compressible flow in arbitrary two-dimensional domains. The procedures described herein are used in conjunction with a semi-explicit two-step algorithm for solving the time-dependent Euler equations in two space dimensions. Two schemes are presented for monitoring the evolution of error, and error estimates are used as a basis for a mesh refinement strategy. The capability of unrefinement (adaptively coarsening the mesh) is also included. The methods do not require a structured mesh and are applicable to quite general geometries. 1986.
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING
author list (cited authors)
ODEN, J. T., STROUBOULIS, T., & DEVLOO, P.
complete list of authors
ODEN, JT||STROUBOULIS, T||DEVLOO, P