Numerical analysis perspective in structural shape optimization: A review post 2000

BD Upadhyay, SS Sonigra, SD Daxini - Advances in Engineering Software, 2021 - Elsevier
This review presents developments in structural shape optimization post 2000 from
perspective of numerical analysis techniques. Traditional shape optimization with FEM has …

DOLFINx: the next generation FEniCS problem solving environment

IA Baratta, JP Dean, JS Dokken, M Habera, J HALE… - 2023 - orbilu.uni.lu
DOLFINx is the next generation problem solving environment from the FEniCS Project; it
provides an expressive and performant environment for solving partial differential equations …

Immersed boundary-conformal isogeometric method for linear elliptic problems

X Wei, B Marussig, P Antolin, A Buffa - Computational Mechanics, 2021 - Springer
We present a novel isogeometric method, namely the Immersed Boundary-Conformal
Method (IBCM), that features a layer of discretization conformal to the boundary while …

Mesh quality preserving shape optimization using nonlinear extension operators

S Onyshkevych, M Siebenborn - Journal of Optimization Theory and …, 2021 - Springer
In this article, we propose a shape optimization algorithm which is able to handle large
deformations while maintaining a high level of mesh quality. Based on the method of …

First and second order shape optimization based on restricted mesh deformations

T Etling, R Herzog, E Loayza, G Wachsmuth - SIAM Journal on Scientific …, 2020 - SIAM
We consider shape optimization problems subject to elliptic partial differential equations. In
the context of the finite element method, the geometry to be optimized is represented by the …

Fireshape: a shape optimization toolbox for Firedrake

A Paganini, F Wechsung - Structural and Multidisciplinary Optimization, 2021 - Springer
We introduce Fireshape, an open-source and automated shape optimization toolbox for the
finite element software Firedrake. Fireshape is based on the moving mesh method and …

Fluid dynamic shape optimization using self-adapting nonlinear extension operators with multigrid preconditioners

J Pinzon, M Siebenborn - Optimization and Engineering, 2023 - Springer
In this article we propose a scalable shape optimization algorithm which is tailored for large
scale problems and geometries represented by hierarchically refined meshes. Weak …

A multimesh finite element method for the Navier–Stokes equations based on projection methods

JS Dokken, A Johansson, A Massing… - Computer Methods in …, 2020 - Elsevier
The multimesh finite element method is a technique for solving partial differential equations
on multiple non-matching meshes by enforcing interface conditions using Nitsche's method …

[HTML][HTML] Multimesh finite elements with flexible mesh sizes

A Johansson, MG Larson, A Logg - Computer Methods in Applied …, 2020 - Elsevier
We analyze a new framework for expressing finite element methods on arbitrarily many
intersecting meshes: multimesh finite element methods. The multimesh finite element …

Numerical Methods for Shape Optimal Design of Fluid-Structure Interaction Problems

J Haubner, M Ulbrich - ar**s for performing shape optimization for unsteady fluid-
structure interaction (FSI) problems. In this work, we focus on the numerical implementation …