5. C modeling#

5.1. Characteristics of modeling#

A material point whose flow law is that of a polycrystal consisting of 40 monocrystals behaving according to law MONO_DD_FAT, comprising 12 sliding systems (family OCTAEDRIQUE), is subjected to imposed deformation.

5.2. Tested sizes and results#

5.2.1. Tested values#

Integration RUNGE_KUTTA

Variable

Instants \((s)\)

Reference

Aster

Tolerance

\({\sigma }_{\mathrm{zz}}\)

45

non_regression

407.71 MPa

0.1%

\({\sigma }_{\mathrm{zz}}\)

45

external_source

387.8 MPa

6.0%