3.1.5.26. Multi-Linear Material

This command constructs a multi-linear uniaxial material defined by strain-stress point pairs.

uniaxialMaterial MultiLinear $matTag $e1 $s1 $e2 $s2 ...

Argument

Type

Description

$matTag

integer

unique material tag

$e1 $s1 …

list float

alternating strain and stress points (at least two pairs)

The material follows a symmetric multi-linear envelope with inelastic hysteretic unloading and reloading.

../../../../_images/MultiLinear_Material2.png

Fig. 3.1.5.10 MultiLinear material hysteretic behavior.

Example

  1. Tcl Code

uniaxialMaterial MultiLinear 1 0.0 0.0 0.01 30.0 0.02 35.0

  1. Python Code

ops.uniaxialMaterial('MultiLinear', 1, 0.0, 0.0, 0.01, 30.0, 0.02, 35.0)

Code Developed by: fmk

Images Developed by: Vesna Terzic