Analysis in computer aided design: Nonlinear isogeometric B-Rep analysis of shell structures

A new concept called analysis in computer aided design (AiCAD) is proposed for design-through-analysis workflow. This concept uses non-uniform rational B-Splines (NURBS)-based B-Rep models for the entire workflow. Such models consist of trimmed NURBS surfaces and are considered standard in the indus...

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Veröffentlicht in:	Computer methods in applied mechanics and engineering 2015-02, Vol.284, p.401-457
Hauptverfasser:	Breitenberger, M., Apostolatos, A., Philipp, B., Wüchner, R., Bletzinger, K.-U.
Format:	Artikel
Sprache:	eng
Schlagworte:	Boundary conditions Computer aided design Coupling of non-matching multi-patches Dirichlet problem Finite element method (FEM) Integration of design (CAD) and analysis (CAE) Jacobians Mathematical models Meshing Non-watertight geometries Nonlinearity Trimmed domain Trimmed NURBS surfaces Workflow
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