Both the CAD Import Module and the Design Module provide the ability to repair and defeature geometries. The Design Module further extends the available geometry operations in COMSOL Multiphysics ®. The import of all standard CAD and ECAD files into COMSOL Multiphysics ® is supported by the CAD Import Module and ECAD Import Module, respectively. Import, Repair, Defeature, and Virtual Operations Additionally, a sequence of operations can be used to create a parametric geometry part, including its selections, which can then be stored in a Part Library for reuse in multiple models. Geometric entities such as material domains and surfaces can be grouped into selections for subsequent use in physics definitions, meshing, and plotting. The connection between the geometry definition and defined physics settings is fully associative - a change in the geometry will automatically propagate related changes throughout the associated model settings. Geometries are defined by sequences of operations, where each operation is able to receive input parameters for easy edits and parametric studies in multiphysics models. The core COMSOL Multiphysics ® package provides geometry modeling tools for creating parts using solid objects, surfaces, curves, and Boolean operations.

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