[HTML][HTML] A comparison of smooth basis constructions for isogeometric analysis

HM Verhelst, P Weinmüller, A Mantzaflaris… - Computer Methods in …, 2024 - Elsevier
In order to perform isogeometric analysis with increased smoothness on complex domains,
trimming, variational coupling or unstructured spline methods can be used. The latter two …

The embedded isogeometric Kirchhoff–Love shell: from design to shape optimization of non-conforming stiffened multipatch structures

T Hirschler, R Bouclier, A Duval, T Elguedj… - Computer Methods in …, 2019 - Elsevier
Isogeometric shape optimization uses a unique model for the geometric description and for
the analysis. The benefits are multiple: in particular, it avoids tedious procedures related to …

Non-intrusive coupling of a 3-D Generalized Finite Element Method and Abaqus for the multiscale analysis of localized defects and structural features

H Li, P O'Hara, CA Duarte - Finite Elements in Analysis and Design, 2021 - Elsevier
This paper presents a multiscale computational framework able to resolve localized defects
and features such as cracks and welds in large structures. It couples Abaqus models and 3 …

Immersed boundary-conformal isogeometric LaTIn method for multiple non-linear interfaces

E Lapina, P Oumaziz, R Bouclier - Engineering with Computers, 2024 - Springer
Computational micromechanics appears of the utmost importance, especially in the current
context of digital twins in mechanics of materials. The objective here is to develop an …

Isogeometric multi-patch analyses for mixed thin shells in the framework of non-linear elasticity

Y Guo, Z Zou, M Ruess - Computer Methods in Applied Mechanics and …, 2021 - Elsevier
In continuation of a membrane locking-free isogeometric thin-shell formulation for linear and
nonlinear analyses, this contribution introduces an extension to trimmed patches in …

Isogeometric dynamic buckling analysis of trimmed and multipatch thin-shell structures

Y Guo, Z Chen, X Wei, Z Hong - AIAA Journal, 2023 - arc.aiaa.org
This paper extends our previous work on the isogeometric dynamic buckling analysis of thin-
shell structures to the trimmed and multipatch situation where features such as cutouts and …

Nitsche's method for non-conforming multipatch coupling in hyperelastic isogeometric analysis

X Du, G Zhao, W Wang, H Fang - Computational Mechanics, 2020 - Springer
Complex geometric models are usually built with multiple NURBS patches with non-
conforming interfaces, which bring difficulties within the isogeometric analysis. In this paper …

A dual domain decomposition algorithm for the analysis of non-conforming isogeometric Kirchhoff–Love shells

T Hirschler, R Bouclier, D Dureisseix, A Duval… - Computer Methods in …, 2019 - Elsevier
Abstract Originally, Isogeometric Analysis is aimed at using geometric models for the
structural analysis. The actual realization of this objective to complex real-world structures …

[图书][B] IGA: Non-conforming Coupling and Shape Optimization of Complex Multipatch Structures, Volume 1

R Bouclier, T Hirschler - 2022 - books.google.com
Isogeometric analysis (IGA) consists of using the same higher-order and smooth spline
functions for the representation of geometry in Computer Aided Design as for the …

Overlapping multi-patch structures in isogeometric analysis

S Kargaran, B Jüttler, SK Kleiss, A Mantzaflaris… - Computer Methods in …, 2019 - Elsevier
In isogeometric analysis (IGA) the domain of interest is usually represented by B-spline or
NURBS patches, as they are present in standard CAD models. Complex domains can often …