A survey on 3D CAD model quality assurance and testing tools

C González-Lluch, P Company, M Contero… - Computer-Aided …, 2017 - Elsevier
A new taxonomy of issues related to CAD model quality is presented, which distinguishes
between explicit and procedural models. For each type of model, morphologic, syntactic …

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 …

[HTML][HTML] Adaptively weighted numerical integration over arbitrary domains

V Thiagarajan, V Shapiro - Computers & Mathematics with Applications, 2014 - Elsevier
In adaptively weighted numerical integration, for a given set of quadrature nodes, order and
domain of integration, the quadrature weights are obtained by solving a system of suitable …

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 …

Estimation of elastic behaviors of metal components containing process induced porosity

S Deng, C Soderhjelm, D Apelian, K Suresh - Computers & Structures, 2021 - Elsevier
Significant progress has been made for assessing the influence of porosity on the
performance metrics for cast components through various modeling techniques. However, a …

[HTML][HTML] Evaluating defeaturing-induced impact on model analysis

J Tang, S Gao, M Li - Mathematical and Computer Modelling, 2013 - Elsevier
Defeaturing is a popular CAD/CAE simplification technique. However, defeaturing inevitably
leads to errors that can hardly be evaluated effectively during a Finite Element (FE) analysis …

Estimating the effects of removing negative features on engineering analysis

M Li, S Gao, RR Martin - Computer-Aided Design, 2011 - Elsevier
This paper provides a general framework for the quantitative estimation of the effects of
removing negative features on engineering analysis, or modification sensitivity for short …

Second‐order defeaturing estimator of manufacturing‐induced porosity on structural elasticity

S Deng, C Soderhjelm, D Apelian… - International Journal for …, 2022 - Wiley Online Library
Manufactured metallic components often contain nonuniformly distributed pores of complex
morphologies. Since such porosity defects have a significant influence on material …

Engineering analysis error estimation when removing finite-sized features in nonlinear elliptic problems

M Li, S Gao, RR Martin - Computer-Aided Design, 2013 - Elsevier
The paper provides novel approaches for a posteriori estimation of goal-oriented
engineering analysis error caused by removing finite-sized negative features from a …