### 4.2.1. Preprocessing

#### Creating a Solid Model

The generation of a layered solid element model has to be configured in ACP with the Solid Model feature. See the usage references for details on Solid Models.

In the ACP solid model export settings, the user has to set an individual NUMOFF to avoid node and element numbering conflicts between multiple models (see section Export for more details). Further, it is recommended to use homogenized drop-off elements with a global drop-off material (for more information see Solid Model Properties).

Element sets and edge sets can be transferred from ACP (Pre) to the Static Structural component where they appear as named selections. Named Selections from the Mechanical Model are also transferred. This aids the definition of boundary conditions (See section Export for more information).

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