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NURBS X-FEM for CAD Structure Analysis by bradjeno is a document available to read on EtoBox.
What is NURBS X-FEM for CAD Structure Analysis about?
This document proposes a NURBS-enhanced extended finite element approach to simulate structures defined by CAD parametric surfaces without meshing the geometry. It uses NURBS-enhanced subelements to represent the geometry exactly inside each element. High-order approximations allow for accurate solutions with coarse meshes. Enrichments maintain accuracy near re-entrant corners and interfaces. The approach handles geometry exactly while avoiding complex meshing, achieving optimal convergence for both fitted
- Author
- bradjeno
- Language
- EN