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New development of numerical methods for contact analysis with JIFEX software. (English) Zbl 0977.74058

Summary: The finite element software JIFEX is developed with the application-oriented concept for complex structures of general purpose engineering. We describe the software integration into the finite element analysis, structural design optimization, and into the pre- and post-processing, implemented on the advanced platform Windows 95/NT. The three-dimensional contact analysis is one of the most important features. In this paper, we use a combined parametric quadratic programming and iteration method to avoid the difficulties of unknown slip direction of tangential displacement at contact point. The numerical examples are presented together with a introduction into the application-oriented software JIFEX.

MSC:

74S05 Finite element methods applied to problems in solid mechanics
76M15 Boundary element methods applied to problems in fluid mechanics
68N19 Other programming paradigms (object-oriented, sequential, concurrent, automatic, etc.)

Software:

JIFEX
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