2016
DOI: 10.1002/nme.5326
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On structural shape optimization using an embedding domain discretization technique

Abstract: Summary This contribution presents a novel approach to structural shape optimization that relies on an embedding domain discretization technique. The evolving shape design is embedded within a uniform finite element background mesh which is then used for the solution of the physical state problem throughout the course of the optimization. We consider a boundary tracking procedure based on adaptive mesh refinement to separate between interior elements, exterior elements, and elements intersected by the physical… Show more

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Cited by 12 publications
(10 citation statements)
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References 71 publications
(116 reference statements)
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“…On the other side, XFEM formulation does not suffer from these drawbacks. In our work, we employ a simple method of integration points oversampling (Riehl 2019) in which a larger amount of integration points, which are usually in the range n ip = (5. .10) d , is considered.…”
Section: Integration Schemesmentioning
confidence: 99%
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“…On the other side, XFEM formulation does not suffer from these drawbacks. In our work, we employ a simple method of integration points oversampling (Riehl 2019) in which a larger amount of integration points, which are usually in the range n ip = (5. .10) d , is considered.…”
Section: Integration Schemesmentioning
confidence: 99%
“…In the following work, we exploit the shape optimization method using an embedding domain technique, introduced by Riehl and Steinmann (2017), and couple it with a density-based topology optimization. The optimization problem now operates on design variables adopted from both methods, namely the pseudo-densities of the inner elements and the degrees of freedom of the vertices of the embedded boundary.…”
Section: Introductionmentioning
confidence: 99%
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“…Disadvantages of traditional method is unreliable and always changing the installation environment of the original design. In order to make the optimization fast and efficient, the seat belt bracket is optimization designed with the topography optimization technique [2].…”
Section: Introductionmentioning
confidence: 99%
“…Among many other names used to describe these techniques where the mesh does not match the domain's geometry, we have the Immersed Boundary Method (IBM) [52] and the Immersed Finite Element Method (IFEM) [71]. These methods have been studied by a number of authors for very different problems including, of course, shape optimization [26,33,35,46,57].…”
Section: Introductionmentioning
confidence: 99%