CDF step¶
Module: solid
Category: materialprop
Type string: "CDF step"
Parameters¶
| Name | Description | Default | Units |
|---|---|---|---|
Dmax |
Dmax | 1 | [] |
mu |
mu | 1 | [] |
Description¶
The material type for a step c.d.f. is CDF step.
For this material the c.d.f. is given by
\[
F\left(\Xi\right)=H\left(\Xi\right)\quad,
\]
where \(H\left(\cdot\right)\) is the Heaviside unit step function. The step c.d.f. may be used to model fracture.

Figure 1. Illustration of the CDF step cumulative distribution function.
Example:
<damage type="CDF step">
<mu>1.0</mu>
<Dmax>1</Dmax>
</damage>