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Technical Paper

Advances in One Step Solvers for Formability Analysisat Styling, Product and Process Design Stages of Automotive Panels

1998-09-29
982335
The paper provides an overview of recent advances and applications of One Step FEM solvers in the automotive industry. The advances include, among other things, 1. Enhanced pre-processing (e.g. i. Integration with CAD Systems, ii. Automeshing), 2. Die processing geared functions (e.g. i. Automatic tipping, ii. Autoboundary conditions; to reduce effort in selecting the boundary conditions for achievement of a specific target strain in the panel), 3. More robust mechanics and realistic modeling of process (e.g. i. Autobending to accommodate membrane as well as bending and unbending effects, ii. Passive force formulation for a more realistic modeling of the external forces required to form the part, as well as iii. Curved binder capability; for more accurate prediction of binder effects), and 4. Enhanced post-processing and interpretation of results (e.g. i. Residual stresses, ii. Advanced FLD manipulation, iii.
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