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Computational Mechanics
Erschienen in: Computational Mechanics 1/2016

01.01.2016 | Original Paper

Isogeometric analysis for parameterized LSM-based structural topology optimization

verfasst von: Yingjun Wang, David J. Benson

Erschienen in: Computational Mechanics | Ausgabe 1/2016

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Abstract

In this paper, we present an accurate and efficient isogeometric topology optimization method that integrates the non-uniform rational B-splines based isogeometric analysis and the parameterized level set method for minimal compliance problems. The same NURBS basis functions are used to parameterize the level set function and evaluate the objective function, and therefore the design variables are associated with the control points. The coefficient matrix that parameterizes the level set function is set up by a collocation method that uses the Greville abscissae. The zero-level set boundary is obtained from the interpolation points corresponding to the vertices of the knot spans. Numerical examples demonstrate the validity and efficiency of the proposed method.
Vorheriger Artikel Nonlinear reanalysis for structural modifications based on residual increment approximations
Nächster Artikel Geometric non-linear hexahedral elements with rotational DOFs

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Metadaten
Titel
Isogeometric analysis for parameterized LSM-based structural topology optimization
verfasst von
Yingjun Wang
David J. Benson
Publikationsdatum
01.01.2016
Verlag
Springer Berlin Heidelberg
Erschienen in
Computational Mechanics / Ausgabe 1/2016
Print ISSN: 0178-7675
Elektronische ISSN: 1432-0924
DOI
https://doi.org/10.1007/s00466-015-1219-1

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