Analysis-aware defeaturing: Problem setting and a posteriori estimation

A Buffa, O Chanon, R Vázquez - Mathematical Models and Methods …, 2022 - World Scientific
Defeaturing consists in simplifying geometrical models by removing the geometrical features
that are considered not relevant for a given simulation. Feature removal and simplification of …

Adaptive analysis-aware defeaturing

A Buffa, O Chanon, R Vázquez - arXiv preprint arXiv:2212.05183, 2022 - arxiv.org
Removing geometrical details from a complex domain is a classical operation in computer
aided design for simulation and manufacturing. This procedure simplifies the meshing …

Analysis‐aware defeaturing of complex geometries with Neumann features

P Antolín, O Chanon - International Journal for Numerical …, 2024 - Wiley Online Library
Local modifications of a computational domain are often performed in order to simplify the
meshing process and to reduce computational costs and memory requirements. However …

[HTML][HTML] A shape derivative approach to domain simplification

J Hinz, O Chanon, A Arrigoni, A Buffa - Computer-Aided Design, 2024 - Elsevier
The objective of this study is to address the difficulty of simplifying the geometric model in
which a differential problem is formulated, also called defeaturing, while simultaneously …

工程仿真精度可信的CAD 模型简化

李明 - 计算机辅助设计与图形学学报, 2015 - jcad.cn
在工程仿真前, 进行细节移除, 简化CAD 模型是实际产品设计的重要步骤.
此过程大大降低后续网格生成的复杂度, 提升网格质量, 进而减少网格生成及有限元计算失败的 …

Second‐order defeaturing error estimation for multiple boundary features

M Li, B Zhang, RR Martin - International Journal for Numerical …, 2014 - Wiley Online Library
SUMMARY A posteriori estimation of defeaturing error, that is, engineering analysis error
caused by defeaturing, remains a key challenge in computer‐aided design/computer‐aided …

CAD model simplification error estimation for electrostatics problems

N Rahimi, P Kerfriden, FC Langbein, RR Martin - SIAM Journal on Scientific …, 2018 - SIAM
Simplifying the geometry of a CAD model using defeaturing techniques enables more
efficient discretization and subsequent simulation for engineering analysis problems …

An equilibrated flux a posteriori error estimator for defeaturing problems

A Buffa, O Chanon, D Grappein, R Vázquez… - arXiv preprint arXiv …, 2023 - arxiv.org
An a posteriori error estimator based on an equilibrated flux reconstruction is proposed for
defeaturing problems in the context of finite element discretizations. Defeaturing consists in …

[PDF][PDF] Analysis-aware defeaturing of complex geometries.

P Antolin, O Chanon - arXiv preprint arXiv:2212.03141, 2022 - infoscience.epfl.ch
Local modifications of a computational domain are often performed in order to simplify the
meshing process and to reduce computational costs and memory requirements. However …

Estimation of impacts of removing arbitrarily constrained domain details to the analysis of incompressible fluid flows

K Zhang, M Li, J Li - Communications in Computational Physics, 2016 - cambridge.org
Removing geometric details from the computational domain can significantly reduce the
complexity of downstream task of meshing and simulation computation, and increase their …