Generalized isogeometric boundary element method for uncertainty analysis of time-harmonic wave propagation in infinite domains

L Chen, H Lian, Y Xu, S Li, Z Liu… - Applied Mathematical …, 2023‏ - Elsevier
This paper proposes a novel generalized n th order perturbation isogeometric fast multipole
boundary element method for time harmonic wave propagation in infinite domains. The non …

A sample-efficient deep learning method for multivariate uncertainty qualification of acoustic–vibration interaction problems

L Chen, R Cheng, S Li, H Lian, C Zheng… - Computer Methods in …, 2022‏ - Elsevier
We propose an efficient Monte Carlo simulation method to address the multivariate
uncertainties in acoustic–vibration interaction systems. The deep neural network acts as a …

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 …

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 …

Hybrid FEM–SBM solver for structural vibration induced underwater acoustic radiation in shallow marine environment

Z Fu, Q **, Y Li, H Huang, T Rabczuk - Computer Methods in Applied …, 2020‏ - Elsevier
This study focuses on the efficient computational model for predicting the structural vibration
induced underwater acoustic radiation in shallow marine environment. In the proposed …

Structural shape optimization by IGABEM and particle swarm optimization algorithm

SH Sun, TT Yu, TT Nguyen, E Atroshchenko… - … Analysis with Boundary …, 2018‏ - Elsevier
In this paper, a new approach is developed for structural shape optimization, which consists
in coupling the particle swarm optimization (PSO) algorithm and the isogeometric boundary …

An isogeometric approach of two dimensional acoustic design sensitivity analysis and topology optimization analysis for absorbing material distribution

L Chen, C Liu, W Zhao, L Liu - Computer Methods in Applied Mechanics …, 2018‏ - Elsevier
A study of structural shape optimization and absorbing material distribution optimization of
noise barrier structures based on the recently proposed isogeometric analysis method with …

Seamless integration of computer-aided geometric modeling and acoustic simulation: Isogeometric boundary element methods based on Catmull-Clark subdivision …

LL Chen, Y Zhang, H Lian, E Atroshchenko… - … in Engineering Software, 2020‏ - Elsevier
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 …

A review article: isogeometric boundary element analysis in engineering applications

AM Shaaban - International Journal of Hydromechatronics, 2022‏ - inderscienceonline.com
Isogeometric analysis (IGA) in the framework of the boundary element method (BEM) is
reviewed in this paper. IGA is a fundamental tool in computational mechanics which enables …

Shape optimization of sound barrier using an isogeometric fast multipole boundary element method in two dimensions

C Liu, L Chen, W Zhao, H Chen - Engineering Analysis with Boundary …, 2017‏ - Elsevier
This study presents an isogeometric fast multipole boundary element method (IGA FMBEM)
in two-dimensional (2D) acoustics and a related sensitivity-based shape optimization …