Nonlinear Material Model in Part Variation Simulations of Sheet Metals
Artikel i vetenskaplig tidskrift, 2019

Current methodologies for variation simulation of compliant
sheet metal assemblies and parts are simplified by
assuming linear relationships. From observed physical
experiments, it is evident that plastic strains are a source
of error that is not captured in the conventional variational
simulation methods. This article presents an adaptation
towards an elasto-plastic material model with isotropic
hardening in the Method of Influence Coefficients methodology
for variation simulations. The results are presented
in two case studies using a benchmark case involving a 2D
quarter symmetric plate with a centred hole, subjected to
both uniaxial and biaxial displacement. The adaptation
shows a great reduction in CPU time with limited effect on
the accuracy of the results compared to Direct Monte Carlo
simulations.

FEM

Variation simulation

Method of Influencing Coefficients.

Non-linear material

Författare

Soner Camuz

Chalmers, Industri- och materialvetenskap, Produktutveckling

Samuel C Lorin

Chalmers, Industri- och materialvetenskap, Produktutveckling

Kristina Wärmefjord

Chalmers, Industri- och materialvetenskap

Rikard Söderberg

Chalmers, Industri- och materialvetenskap

Journal of Computing Science and Engineering

1976-4677 (ISSN) 2093-8020 (eISSN)

Vol. 19 2 021012

Ämneskategorier

Maskinteknik

Teknisk mekanik

Annan materialteknik

DOI

10.1115/1.4042539

Mer information

Skapat

2019-03-28