The SFB program expired on September 30, 2008. For the link to the successor project click DK Computational Mathematics
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new  Progress Report for the period 2003 - 2007

Abstract


blue - elastic, red - plastic phase


blue - elastic, green - first plastic, red - second plastic phase

The phenomenon of elasto-plasticity has become a classical problem class in mechanics. The construction and analysis of efficient solution methods have now become very popular amongst engineers as well as mathematicians. Based on our previous experience in 3D calculations in elasticity and elasto-plasticity we carry out research on smart adaptive finite element discretization techniques of 3D elasto-plastic flow problems with hardening and on fast solution techniques for the arising elasto-plastic finite element equation. More precisely, we study:

In addition, we study the use of our elasto-plastic field problem solver for inverse and optimization problems in cooperations with subprojects F1308 and F1309.

With subprojects F1303 and F1305 we cooperate on symbolic solution techniques for the computation of the plastic strain in the multi-yield case.

NETGEN and NGSolve (both developed in our group) provide the right programming environment for an efficient implementation of these more advanced models and algorithms.

Objectives

People

Principal Investigator
Prof. Dr. Ulrich Langer 9168  mail

Co-Investigators
Prof. Dr. Joachim Schöberl 9961  mail

Scientific Staff
DI Peter Gruber 7178  mail
DI Clemens Pechstein 9169  mail
Dr. Jan Valdman 7177  mail

Publications

List of Publications.

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SpezialForschungsBereich SFB F013 | Special Research Program of the FWF - Austrian Science Fund