***pre_problem#

Description#

This procedure and its options are executed at the beginning of the problem, before doing anything.

Syntax#

***pre_problem \(~\,\) **first-pre-problem-type \(~\,~\,~\,\) first-pre-problem-specific options \(~\,\) **another-first-pre-problem-type \(~\,~\,~\,\)

There may be any number of sub-options defining the different pre_problem to treat, and also any number of ***pre_problem instances.

The different pre_problems commands are the subject of the following pages. The following tables are included as a quick-directory to the pre_problems.

General purpose pre_problems#

Pre-problem

Description

**init_z7p_rotations

used to impose a material rotation to a particular elset using a z7p program

**layer_orientation

used to define the stack sequence when a layer element (c3d16l for instance) is used.