![](https://box.kancloud.cn/a1aefc0a05bb43696e2661fadd53bc6d_1351x451.png =230x) ### **NondesignDomain2D** * * * * * **Description**: Design a non-desgin domain in 2D problem. (This component must be used after generating the mesh.) **Usage**: Right-click on **ShowSelElement** to display cells that are not designed, and use cell center points to represent cells. **Input**: D: Reference line of non-desgin domain. You can input lines or surfaces. Tol: The tolerance for area determination. This parameter will be invalid when you input surfaces. **Output**: NonD: Non-desgin domain.