The finite cell method: a review in the context of higher-order structural analysis of CAD and image-based geometric models

D Schillinger, M Ruess - Archives of Computational Methods in …, 2015‏ - Springer
The finite cell method is an embedded domain method, which combines the fictitious domain
approach with higher-order finite elements, adaptive integration, and weak enforcement of …

[HTML][HTML] The boundary element method in acoustics: A survey

S Kirkup - Applied Sciences, 2019‏ - mdpi.com
The boundary element method (BEM) in the context of acoustics or Helmholtz problems is
reviewed in this paper. The basis of the BEM is initially developed for Laplace's equation …

Reduced order isogeometric boundary element methods for CAD-integrated shape optimization in electromagnetic scattering

L Chen, Z Wang, H Lian, Y Ma, Z Meng, P Li… - Computer Methods in …, 2024‏ - Elsevier
This paper formulates a model order reduction method for electromagnetic boundary
element analysis and extends it to computer-aided design integrated shape optimization of …

Multi-frequency acoustic topology optimization of sound-absorption materials with isogeometric boundary element methods accelerated by frequency-decoupling and …

LL Chen, H Lian, S Natarajan, W Zhao, XY Chen… - Computer Methods in …, 2022‏ - Elsevier
The paper presents a novel approach for multi-frequency acoustic topology optimization of
sound-absorption materials. In this work, the isogeometric boundary element method based …

Broadband topology optimization of three-dimensional structural-acoustic interaction with reduced order isogeometric FEM/BEM

L Chen, H Lian, HW Dong, P Yu, S Jiang… - Journal of …, 2024‏ - Elsevier
This paper presents a model order reduction method to accelerate broadband topology
optimization of structural-acoustic interaction systems by coupling Finite Element Methods …

Isogeometric boundary element methods for three dimensional static fracture and fatigue crack growth

X Peng, E Atroshchenko, P Kerfriden… - Computer Methods in …, 2017‏ - Elsevier
We present a novel numerical method to simulate crack growth in 3D, directly from the
Computer-Aided Design (CAD) geometry of the component, without any mesh generation …

Non-iterative reconstruction of time-domain sound pressure and rapid prediction of large-scale sound field based on IG-DRBEM and POD-RBF

S Zhang, B Yu, L Chen - Journal of Sound and Vibration, 2024‏ - Elsevier
In this paper, a novel non-iterative reconstruction method of time-domain sound pressure
and rapid prediction scheme of large-scale sound field are proposed respectively based on …

Structural shape optimization of three dimensional acoustic problems with isogeometric boundary element methods

LL Chen, H Lian, Z Liu, HB Chen… - Computer Methods in …, 2019‏ - Elsevier
The boundary element method (BEM) is a powerful tool in computational acoustics, because
the analysis is conducted only on structural surfaces, compared to the finite element method …

Bi-material topology optimization for fully coupled structural-acoustic systems with isogeometric FEM–BEM

LL Chen, H Lian, Z Liu, Y Gong, CJ Zheng… - … Analysis with Boundary …, 2022‏ - Elsevier
This paper presents a novel method for topology optimization of vibrating structures
interacted with acoustic wave for the purpose of minimizing radiated sound power level. We …

Acoustic topology optimization of sound absorbing materials directly from subdivision surfaces with isogeometric boundary element methods

L Chen, C Lu, H Lian, Z Liu, W Zhao, S Li… - Computer Methods in …, 2020‏ - Elsevier
This paper presents an acoustic topology optimization approach using isogeometric
boundary element methods based on subdivision surfaces to optimize the distribution of …