Abstract
Influence of frictional contact effects on parameter variations of some nonlinear behaviour is studied. The flow approach to deep drawing simulation is taken as the underlying nonlinear mechanics problem. Theoretical considerations are followed by the discussion of computational aspects. In particular, difficulties resulting from parameter nondifferentiability of the response at some points along the deformation path are indicated and discussed in the computational context. An advanced numerical illustration is given.
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Communicated by S. N. Atluri, 11 April 1995
The research on which this paper is based was partly supported by the Polish Committee for Scientific Research (KBN) under grants No 3P40401804 and 7 T08B 007 08 to the Institute of Fundamental Technological Research, Polish Academy of Sciences, and by the International Center for Numerical Methods in Engineering (CIMNE), University Polytechnics of Catalunya, Barcelona, Spain.
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Kleiber, M., Sosnowski, W. Parameter sensitivity analysis in frictional contact problems of sheet metal forming. Computational Mechanics 16, 297–306 (1995). https://doi.org/10.1007/BF00350719
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DOI: https://doi.org/10.1007/BF00350719