Recent advances in acoustic boundary element methods

S Preuss, C Gurbuz, C Jelich, SK Baydoun… - Journal of Theoretical …, 2022 - World Scientific
The modern scope of boundary element methods (BEM) for acoustics is reviewed in this
paper. Over the last decades the BEM has gained popularity despite suffering from …

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 …

Modeling pressurized fracture propagation with the isogeometric BEM

L Chen, Z Wang, X Peng, J Yang, P Wu… - … and Geophysics for Geo …, 2021 - Springer
This paper simulates the propagation of hydraulic fractures under constant fluid pressure
using the isogeometric analysis based on boundary element methods (BEM) ie the so called …

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 …

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 …

Multivariate uncertainty analysis of fracture problems through model order reduction accelerated SBFEM

X Shen, C Du, S Jiang, P Zhang, L Chen - Applied Mathematical Modelling, 2024 - Elsevier
Abstract An efficient Monte Carlo simulation (MCS) method that analyses the influences of
multivariate uncertain parameters on the response of cracked structures is proposed. The …

Isogeometric dual reciprocity BEM for solving non-Fourier transient heat transfer problems in FGMs with uncertainty analysis

G Cao, B Yu, L Chen, W Yao - International Journal of Heat and Mass …, 2023 - Elsevier
In this paper, the precise integration multi-patch isogeometric dual reciprocity boundary
element method (IG-DRBEM) of the non-Fourier transient heat transfer problem in …

An isogeometric design-analysis-optimization workflow of stiffened thin-walled structures via multilevel NURBS-based free-form deformations (MNFFD)

P Hao, Y Wang, L **, S Ma, B Wang - Computer Methods in Applied …, 2023 - Elsevier
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 …

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 …

Adaptive enriched geometry independent field approximation for 2D time-harmonic acoustics

C Jansari, J Videla, S Natarajan, SPA Bordas… - Computers & …, 2022 - Elsevier
Isogeometric Analysis (IGA) provides an alternative to Lagrange based finite element
methods by representing the geometry and field with the same Non-Uniform Rational B …