DOI: https://doi.org/10.26089/NumMet.v17r324

Mathematical modeling of inverse multipoint forming problems in the creep mode using a reconfigurable tool

Authors

  • K.S. Bormotin
  • S.V. Belykh
  • Aung. Win

Keywords:

inverse forming problems
contact conditions
variational equations
convergence
finite element method
iterative method
multipoint forming

Abstract

A mathematical formulation of inverse forming problems in the creep mode using a reconfigurable tool is based on the creation of functionals for the direct and inverse extreme quasistatic problems of forming details with consideration of contact conditions with equipment. An iterative method of determining the displacements of pins of the tool’s matrices providing a given residual curvature of the panel is proposed. The problems are numerically solved by a finite element method in the framework of the MSC.Marc system. The convergence of the proposed iterative method is shown by an example of panel shaping.

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Published

2016-06-27

Issue

Vol. 17 (2016): Issue 3.

Section

Section 1. Numerical methods and applications

Author Biographies

K.S. Bormotin

Komsomolsk-on-Amur State University
• Associate Professor

S.V. Belykh

Komsomolsk-on-Amur State University
• Vice Rector for Science and Innovation

Aung. Win

Komsomolsk-on-Amur State University
• PhD Student

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