Reference : Nitsche’s method method for mixed dimensional analysis: conforming and non-conforming...
Scientific journals : Article
Engineering, computing & technology : Multidisciplinary, general & others
Computational Sciences
http://hdl.handle.net/10993/21437
Nitsche’s method method for mixed dimensional analysis: conforming and non-conforming continuum-beam and continuum-plate coupling
English
Nguyen, VP [> >]
Kerfriden, Pierre [> >]
Claus, SPA [> >]
Bordas, Stéphane mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
2014
Computer Methods in Applied Mechanics & Engineering
Yes (verified by ORBilu)
International
0045-7825
[en] Nitsche, mixed dimensional analysis (MDA), isogeometric analysis (IGA), NURBS, beam, plate
[en] A Nitche’s method is presented to couple different mechanical models. They include coupling of a solid and a beam and of a solid and a plate. Both conforming and non-conforming formulations are presented. In a non-conforming formulation, the structure domain is overlapped by a refined solid model which is needed to either get more accuracy or to capture highly nonlinear events. Applications can be found in multi-dimensional analyses in which parts of a structure are modeled with solid elements and others are modeled using a coarser model with beam and/or plate elements. Discretisations are performed using both standard Lagrange elements and high order NURBS (Non Uniform Rational Bsplines) based isogeometric elements. We present various examples to demonstrate the performance of the method.
Researchers ; Professionals ; Students ; Others
http://hdl.handle.net/10993/21437
FP7 ; 289361 - INSIST - Integrating Numerical Simulation and Geometric Design Technology

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