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 …

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 …

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 …

Mathematical foundations of adaptive isogeometric analysis

A Buffa, G Gantner, C Giannelli, D Praetorius… - … Methods in Engineering, 2022‏ - Springer
This paper reviews the state of the art and discusses recent developments in the field of
adaptive isogeometric analysis, with special focus on the mathematical theory. This includes …

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 …

Free vibration analysis of porous plates with porosity distributions in the thickness and in-plane directions using isogeometric approach

Y Xue, G **, X Ma, H Chen, T Ye, M Chen… - International Journal of …, 2019‏ - Elsevier
The main purpose of this paper is to study the free vibration of porous square plate, circular
plate, and rectangle plate with a central circular hole in the framework of isogeometric …

Uncertainty quantification of mechanical property of piezoelectric materials based on isogeometric stochastic FEM with generalized nth-order perturbation

L Chen, H Li, Y Guo, P Chen, E Atroshchenko… - Engineering with …, 2024‏ - Springer
This paper proposes a novel generalized n th-order perturbation isogeometric finite-element
method (GNP-IGA-FEM) for uncertainty quantification of mechanical properties of …

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 …