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We study mathematical and computational models for computing the deformation of fiber-reinforced cross-plied laminates due to external forces. This requires an understanding of both micro-structural effects and different sources of…

数值分析 · 数学 2016-04-20 Ivo Babuska , Mohammad Motamed

The main goal of this paper is to define and study new methods for the computation of effective coefficients in the homogenization of divergence-form operators with random coefficients. The methods introduced here are proved to have optimal…

数值分析 · 数学 2017-11-01 Jean-Christophe Mourrat

This paper studies stochastic optimization for a sum of compositional functions, where the inner-level function of each summand is coupled with the corresponding summation index. We refer to this family of problems as finite-sum coupled…

最优化与控制 · 数学 2023-06-13 Bokun Wang , Tianbao Yang

Consistent and natural camera lens blur is important for seamlessly blending 3D virtual objects into photographed real-scenes. Since lens blur typically varies with scene depth, the placement of virtual objects and their corresponding blur…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Lingyan Ruan , Bin Chen , Taehyun Rhee

For better explore the relations of inter-modal and inner-modal, even in deep learning fusion framework, the concept of decomposition plays a crucial role. However, the previous decomposition strategies (base \& detail or low-frequency \&…

计算机视觉与模式识别 · 计算机科学 2024-12-04 Hui Li , Haolong Ma , Chunyang Cheng , Zhongwei Shen , Xiaoning Song , Xiao-Jun Wu

This paper describes the use of the corotational cut Finite Element Method (FEM) for real-time surgical simulation. Users only need to provide a background mesh which is not necessarily conforming to the boundaries/interfaces of the…

计算工程、金融与科学 · 计算机科学 2018-11-20 Huu Phuoc Bui , Satyendra Tomar , Stéphane P. A. Bordas

In this paper, the first large-scale application of multiscale-spectral generalized finite element methods (MS-GFEM) to composite aero-structures is presented. The crucial novelty lies in the introduction of A-harmonicity in the local…

In this work, a coarse-graining method previously proposed by the authors in a companion paper based on solving diffusion equations is applied to CFD-DEM simulations, where coarse graining is used to obtain solid volume fraction, particle…

计算物理 · 物理学 2015-01-07 Rui Sun , Heng Xiao

We consider static linear elastic composite materials (CMs) with periodic structure. The core of the proposed methodology is the generation of a novel dataset using specially designed body force fields with compact support (BFCS), enabling…

计算物理 · 物理学 2026-01-06 Valeriy A. Buryachenko

Vision Transformers (ViTs) exhibit superior performance in computer vision tasks but face deployment challenges on resource-constrained devices due to high computational/memory demands. While Mixture-of-Experts Vision Transformers…

硬件体系结构 · 计算机科学 2025-06-11 Jiale Dong , Hao Wu , Zihao Wang , Wenqi Lou , Zhendong Zheng , Lei Gong , Chao Wang , Xuehai Zhou

This paper presents the implementation of the eXtended Finite Element Method (XFEM) in the general-purpose commercial software package COMSOL Multiphysics for multi-field thermo-hydro-mechanical problems in discontinuous porous media. To…

数学软件 · 计算机科学 2021-12-23 Ahmad Jafari , Mohammad Vahab , Pooyan Broumand , Nasser Khalili

Co-clustering exploits the duality of instances and features to simultaneously uncover meaningful groups in both dimensions, often outperforming traditional clustering in high-dimensional or sparse data settings. Although recent deep…

机器学习 · 计算机科学 2025-04-10 Ashwin Vinod , Chandrajit Bajaj

Determining the number of clusters is a central challenge in unsupervised learning, where ground-truth labels are unavailable. The Silhouette coefficient is a widely used internal validation metric for this task, yet its standard…

机器学习 · 计算机科学 2026-04-16 Aggelos Semoglou , Aristidis Likas , John Pavlopoulos

VoxCap, a fast Fourier transform (FFT)-accelerated and Tucker-enhanced integral equation simulator for capacitance extraction of voxelized structures, is proposed. The VoxCap solves the surface integral equations (SIEs) for conductor and…

计算工程、金融与科学 · 计算机科学 2021-02-24 Mingyu Wang , Cheng Qian , Jacob K. White , Abdulkadir C. Yucel

Labelling data is expensive and time consuming especially for domains such as medical imaging that contain volumetric imaging data and require expert knowledge. Exploiting a larger pool of labeled data available across multiple centers,…

计算机视觉与模式识别 · 计算机科学 2020-09-03 Daiqing Li , Amlan Kar , Nishant Ravikumar , Alejandro F Frangi , Sanja Fidler

Multi-modal 3D object detection has received growing attention as the information from different sensors like LiDAR and cameras are complementary. Most fusion methods for 3D detection rely on an accurate alignment and calibration between 3D…

计算机视觉与模式识别 · 计算机科学 2023-05-16 Zhe Liu , Xiaoqing Ye , Zhikang Zou , Xinwei He , Xiao Tan , Errui Ding , Jingdong Wang , Xiang Bai

Adaptive binarization methodologies threshold the intensity of the pixels with respect to adjacent pixels exploiting the integral images. In turn, the integral images are generally computed optimally using the summed-area-table algorithm…

The computational homogenization of elastoplastic polycrystals is a challenging task due to the huge number of grains required, their complicated interactions and due to the complexity of crystal plasticity models per se. Despite a few…

计算物理 · 物理学 2025-10-21 Stephan Wulfinghoff

Estimating graphical model structure from high-dimensional and undersampled data is a fundamental problem in many scientific fields. Existing approaches, such as GLASSO, latent variable GLASSO, and latent tree models, suffer from high…

机器学习 · 统计学 2019-09-18 Greg Ver Steeg , Hrayr Harutyunyan , Daniel Moyer , Aram Galstyan

We present a computational design methodology for topology optimization of multi-material-based flexoelectric composites. The methodology extends our recently proposed design methodology for a single flexoelectric material. We adopt the…

计算物理 · 物理学 2019-01-31 Hamid Ghasemi , Harold S. Park , Timon Rabczuk
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