Computational Mechanics: Constitutive Modeling and Performance Analysis

by Sia Nemat-Nasser, Univ of California, San Diego, United States,

Document Type: Proceeding Paper

Part of: Mechanics Computing in 1990's and Beyond


The availability of supercomputers in the 80's has brought about a revolution in the analysis and design of complex structures. Parallel with this, computers have played a key role in the coordinated experimental and theoretical understanding of the thermomechanical response and failure modes of a great variety of materials, at microscopic, as well as macroscopic levels. The promise of computers in the 90's and beyond with extensive vectorization and parallel processing, is a well-coordinated experimental, theoretical, and computational effort, where advanced materials' microstructure is tailored for best performance in optimally designed structures. Through physically-based computational models, in-depth understanding of relations between the microstructure and properties, on the one hand, and synthesis/processing and microstructure, on the other, will allow ever more accurate computational prediction of performance, leading to controlled synthesis and processing for desired properties.

Subject Headings: Microstructure | Computer models | Structural design | Material failures | Materials processing | Model accuracy | Structural analysis | Failure modes

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