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• A selectively reduced degree basis for efficient mixed nonlinear isogeometric beam formulations with extensible directors

  Publikacja

  • M. Choi
  • R. Sauer
  • S. Klinkel

  - COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING - Rok 2023

  The effect of higher order continuity in the solution field by using NURBS basis function in isogeometric analysis (IGA) is investigated for an efficient mixed finite element formulation for elastostatic beams. It is based on the Hu–Washizu variational principle considering geometrical and material nonlinearities. Here we present a reduced degree of basis functions for the additional fields of the stress resultants and strains...

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