Isogeometric B-Rep elements are finite elements derived from B-Rep entities such as vertices, edges, and faces, which are used to describe one-, two-, or three-dimensional trimmed domains [Breitenberger et al. 2015]. They can be used for imposing analysis properties assigned to B-Rep entities within the AiCAD design-through-analysis process. The following list contains some examples of such properties
- Neumann boundary conditions (e.g. forces, moments)
- Dirichlet boundary conditions (e.g. displacements, rotations, . . . )
- Coupling boundary conditions
- Mechanically motivated entities (e.g. cables, beams, . . . ) [Bauer et al. 2017]
B-Rep elements are defined by non-zero knot spans of embedded geometries such as trimming curves.
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