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 …

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 …

A BEM broadband topology optimization strategy based on Taylor expansion and SOAR method—Application to 2D acoustic scattering problems

L Chen, J Zhao, H Lian, B Yu… - … Journal for Numerical …, 2023 - Wiley Online Library
In this article, an innovative method is proposed for broadband topology optimization of
sound‐absorbing materials adhering to the surface of a sound barrier structure. Helmholtz …

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 …

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 …

Enhancing deep neural networks for multivariate uncertainty analysis of cracked structures by POD-RBF

X Shen, C Du, S Jiang, L Sun, L Chen - Theoretical and Applied Fracture …, 2023 - Elsevier
Abstract An efficient Monte Carlo (MC) simulation method is proposed to address
multivariate uncertainties in the dynamic fracture analysis of cracked structures. Deep neural …

A three-dimensional fractional visco-hyperelastic model for soft materials

Y Gao, D Yin, M Tang, B Zhao - Journal of the Mechanical Behavior of …, 2023 - Elsevier
Soft materials have attracted widespread attention and brought a wave of novel potential
applications. Accurate mechanical characterization is crucial for improving the ration design …

Computational instability analysis of inflated hyperelastic thin shells using subdivision surfaces

Z Liu, A McBride, A Ghosh, L Heltai, W Huang… - Computational …, 2024 - Springer
The inflation of hyperelastic thin shells is a highly nonlinear problem that arises in multiple
important engineering applications. It is characterised by severe kinematic and constitutive …

[HTML][HTML] Tunable buckling configurations via in-plane periodicity in soft 3D-fiber composites: Simulations and experiments

N Arora, J Li, S Rudykh - International Journal of Solids and Structures, 2022 - Elsevier
We study the buckling of soft 3D-fiber composites (FCs) with varying in-plane microstructure
periodicity. Through our experiments and simulations, we find that the out-of-plane buckling …

[HTML][HTML] Monte Carlo based isogeometric stochastic finite element method for uncertainty quantization in vibration analysis of piezoelectric materials

Y Xu, H Li, L Chen, J Zhao, X Zhang - Mathematics, 2022 - mdpi.com
In this study, a Monte Carlo simulation (MCs)-based isogeometric stochastic Finite Element
Method (FEM) is proposed for uncertainty quantification in the vibration analysis of …