Acoustic topology optimization of sound absorbing materials directly from subdivision surfaces with isogeometric boundary element methods
This paper presents an acoustic topology optimization approach using isogeometric
boundary element methods based on subdivision surfaces to optimize the distribution of …
boundary element methods based on subdivision surfaces to optimize the distribution of …
Seamless integration of computer-aided geometric modeling and acoustic simulation: Isogeometric boundary element methods based on Catmull-Clark subdivision …
Isogeometric boundary element method is a computer simulation algorithm that can directly
utilize the data of a geometric model represented by its surface. Catmull-Clark subdivision …
utilize the data of a geometric model represented by its surface. Catmull-Clark subdivision …
Isogeometric analysis using G-spline surfaces with arbitrary unstructured quadrilateral layout
G-splines are a generalization of B-splines that deals with extraordinary points by imposing
G 1 constraints across their spoke edges, thus obtaining a continuous tangent plane …
G 1 constraints across their spoke edges, thus obtaining a continuous tangent plane …
An isogeometric design-analysis-optimization workflow of stiffened thin-walled structures via multilevel NURBS-based free-form deformations (MNFFD)
Stiffened thin-walled structures are widely used in various fields as load-carrying
components, but the process of design, analysis and optimization still remains challenging …
components, but the process of design, analysis and optimization still remains challenging …
Acoustic shape optimization based on isogeometric boundary element method with subdivision surfaces
C Lu, L Chen, J Luo, H Chen - Engineering Analysis with Boundary …, 2023 - Elsevier
This study proposes a new acoustic shape optimization approach by combining
isogeometric subdivision surfaces with the boundary element method. The geometry of the …
isogeometric subdivision surfaces with the boundary element method. The geometry of the …
A novel hybrid IGA-EIEQ numerical method for the Allen–Cahn/Cahn–Hilliard equations on complex curved surfaces
We present an efficient fully discrete algorithm for solving the Allen–Cahn and Cahn–Hilliard
equations on complex curved surfaces. The spatial discretization employs the recently …
equations on complex curved surfaces. The spatial discretization employs the recently …
[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 …
trimming, variational coupling or unstructured spline methods can be used. The latter two …
The subdivision-based IGA-EIEQ numerical scheme for the binary surfactant Cahn–Hilliard phase-field model on complex curved surfaces
In this paper, we consider numerical approximations of the binary surfactant phase-field
model on complex surfaces. Consisting of two nonlinearly coupled Cahn–Hilliard type …
model on complex surfaces. Consisting of two nonlinearly coupled Cahn–Hilliard type …
Subdivision-based isogeometric analysis for second order partial differential equations on surfaces
We investigate the isogeometric analysis approach based on the extended Catmull–Clark
subdivision for solving the PDEs on surfaces. As a compatible technique of NURBS …
subdivision for solving the PDEs on surfaces. As a compatible technique of NURBS …
Interpolatory Catmull-Clark volumetric subdivision over unstructured hexahedral meshes for modeling and simulation applications
Volumetric modeling is an important topic for material modeling and isogeometric
simulation. In this paper, two kinds of interpolatory Catmull-Clark volumetric subdivision …
simulation. In this paper, two kinds of interpolatory Catmull-Clark volumetric subdivision …