61 citations · 148 across the 13 of their papers we have counts for
13 papers
SplineNet: An Isogeometric Deep Learning Method for Complex Shells
Shizhou Luo, Xiaodong Wei
We present a novel isogeometric deep learning method, termed SplineNet, for the seamless design and analysis of shell structures with complex geometries. The proposed approach is b…
eCNNTO: A Highly Generalizable ConvNet for Accelerating Topology Optimization
Shengbiao Lu, Xiaodong Wei
This work proposes an element-based Convolutional Neural Network (CNN) to accelerate density-based Topology Optimization (TO), termed eCNNTO. TO generally undergoes a large number…
Weighted Quadrature on Unstructured Splines
Ji Sheng, Xiaodong Wei, Falai Chen
This work presents a weighted quadrature (WQ) method to fast assemble Galerkin matrices based on unstructured spline surfaces. The method is developed upon a particular variant of…
PolyCrysDiff: Controllable Generation of Three-Dimensional Computable Polycrystalline Material Structures
Chi Chen, Tianle Jiang, Xiaodong Wei +1
The three-dimensional (3D) microstructures of polycrystalline materials exert a critical influence on their mechanical and physical properties. Realistic, controllable construction…
Stabilized isogeometric formulation of the Stokes problem on overlapping patches
Xiaodong Wei, Riccardo Puppi, Pablo Antolin +1
We present a novel stabilized isogeometric formulation for the Stokes problem, where the geometry of interest is obtained via overlapping NURBS (non-uniform rational B-spline) patc…
Kirchhoff-Love shell representation and analysis using triangle configuration B-splines
Zhihao Wang, Juan Cao, Xiaodong Wei +3
This paper presents the application of triangle configuration B-splines (TCB-splines) for representing and analyzing the Kirchhoff-Love shell in the context of isogeometric analysi…
Isogeometric analysis using G-spline surfaces with arbitrary unstructured quadrilateral layout
Zuowei Wen, Md. Sadman Faruque, Xin Li +2
G-splines are a generalization of B-splines that deals with extraordinary points by imposing G^1 constraints across their spoke edges, thus obtaining a continuous tangent plane thr…
Robust Numerical Integration on Curved Polyhedra Based on Folded Decompositions
Pablo Antolin, Xiaodong Wei, Annalisa Buffa
We present a novel method to perform numerical integration over curved polyhedra enclosed by high-order parametric surfaces. Such a polyhedron is first decomposed into a set of tri…
Analysis-suitable unstructured T-splines: Multiple extraordinary points per face
Xiaodong Wei, Xin Li, Kuanren Qian +3
Analysis-suitable T-splines (AST-splines) are a promising candidate to achieve a seamless integration between the design and the analysis of thin-walled structures in industrial se…
HexGen and Hex2Spline: Polycube-based Hexahedral Mesh Generation and Spline Modeling for Isogeometric Analysis Applications in LS-DYNA
Yuxuan Yu, Xiaodong Wei, Angran Li +3
In this paper, we present two software packages, HexGen and Hex2Spline, that seamlessly integrate geometry design with isogeometric analysis (IGA) in LS-DYNA. Given a boundary repr…
Tuned Hybrid Non-Uniform Subdivision Surfaces with Optimal Convergence Rates
Xiaodong Wei, Xin Li, Yongjie Jessica Zhang +1
This paper presents an enhanced version of our previous work, hybrid non-uniform subdivision surfaces [19], to achieve optimal convergence rates in isogeometric analysis. We introd…
Overlapping Multi-Patch Isogeometric Method with Minimal Stabilization
Pablo Antolin, Annalisa Buffa, Riccardo Puppi +1
We present a novel method for isogeometric analysis (IGA) to directly work on geometries constructed by Boolean operations including difference (i.e., trimming), union and intersec…
Adaptive FEM-based nonrigid image registration using truncated hierarchical B-splines
Aishwarya Pawar, Yongjie Zhanga, Yue Jia +4
We present an efficient approach of Finite Element Method (FEM)-based nonrigid image registration, in which the spatial transformation is constructed using truncated hierarchical B…