User Triangular Shell Elements Using Solid Property Example
A triangular shell property is defined using a user solid property with rotational degrees of freedom at nodes.

Figure 1. 3-node-shell Mesh Made Up of Two Degenerated Brick Elements

Figure 2. Element Degeneration
Example Demo File
<install_directory>/hwsolvers/demos/radioss/User_Subroutines/4_user_property_elements/brick/