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A reduced order asymptotic homogenization based multiscale technique which can capture damage and inelastic effects in composite materials is proposed. This technique is based on two scale homogenization procedure where eigen strain…

计算工程、金融与科学 · 计算机科学 2025-09-29 Harpreet Singh , Puneet Mahajan

We present an acceleration method for sequences of large-scale linear systems, such as the ones arising from the numerical solution of time-dependent partial differential equations coupled with algebraic constraints. We discuss different…

数值分析 · 数学 2024-03-29 Margherita Guido , Daniel Kressner , Paolo Ricci

The solution of computational fluid dynamics problems is one of the most computationally hard tasks, especially in the case of complex geometries and turbulent flow regimes. We propose to use Tensor Train (TT) methods, which possess…

流体动力学 · 物理学 2023-05-24 Egor Kornev , Sergey Dolgov , Karan Pinto , Markus Pflitsch , Michael Perelshtein , Artem Melnikov

We propose a sampling-based method for computing the tensor ring (TR) decomposition of a data tensor. The method uses leverage score sampled alternating least squares to fit the TR cores in an iterative fashion. By taking advantage of the…

数值分析 · 数学 2021-07-12 Osman Asif Malik , Stephen Becker

The letter proposes an adaptive model reduction approach based on tensor decomposition to speed up time-domain power system simulation. Taylor series expansion of a power system dynamic model is calculated around multiple equilibria…

系统与控制 · 计算机科学 2019-04-02 Denis Osipov , Kai Sun

This paper presents an automated approach for designing processors that support a subset of the RISC-V instruction set architecture (ISA) for a new class of applications at Extreme Edge. The electronics used in extreme edge applications…

硬件体系结构 · 计算机科学 2025-10-29 Alireza Raisiardali , Konstantinos Iordanou , Jedrzej Kufel , Kowshik Gudimetla , Kris Myny , Emre Ozer

By combining Three Dimensional Integrated Circuits with the Network-on-Chip infrastructure to obtain 3D Networks-on-Chip (3D-NoCs), the new on-chip communication paradigm brings several advantages on lower power, smaller footprint and lower…

硬件体系结构 · 计算机科学 2020-03-20 Khanh N. Dang , Akram Ben Ahmed , Abderazek Ben Abdallah , Xuan-Tu Tran

Heat transfer simulations of the fused filament fabrication process are an important tool to predict bonding, residual stresses and strength of 3D printed parts. But in order to capture the significant thermal gradients that occur in the…

计算工程、金融与科学 · 计算机科学 2023-05-08 Nathalie Ramos , Christoph Mittermeier , Josef Kiendl

This paper presents a technique for reduced-order Markov modeling for compact representation of time-series data. In this work, symbolic dynamics-based tools have been used to infer an approximate generative Markov model. The time-series…

机器学习 · 统计学 2017-09-28 Devesh K Jha , Nurali Virani , Jan Reimann , Abhishek Srivastav , Asok Ray

As inverter-based resources (IBRs) penetrate power systems, the dynamics become more complex, exhibiting multiple timescales, including electromagnetic transient (EMT) dynamics of power electronic controllers and electromechanical dynamics…

系统与控制 · 电气工程与系统科学 2025-03-17 Kaiyang Huang , Min Xiong , Yang Liu , Kai Sun

Reducing the memory footprint of neural networks is a crucial prerequisite for deploying them in small and low-cost embedded devices. Network parameters can often be reduced significantly through pruning. We discuss how to best represent…

数据结构与算法 · 计算机科学 2021-11-25 Elias Trommer , Bernd Waschneck , Akash Kumar

Many information systems employ lossy compression as a crucial intermediate stage among other processing components. While the important distortion is defined by the system's input and output signals, the compression usually ignores the…

信息论 · 计算机科学 2018-05-14 Yehuda Dar , Michael Elad , Alfred M. Bruckstein

In this paper, we propose a robust low-order stabilization-free virtual element method on quadrilateral meshes for linear elasticity that is based on the stress-hybrid principle. We refer to this approach as the Stress-Hybrid Virtual…

数值分析 · 数学 2023-11-28 Alvin Chen , N. Sukumar

Single instruction, multiple data (SIMD) is a popular design style of in-memory computing (IMC) architectures, which enables memory arrays to perform logic operations to achieve low energy consumption and high parallelism. To implement a…

新兴技术 · 计算机科学 2024-12-04 Xingyue Qian , Chen Nie , Zhezhi He , Weikang Qian

Computing-in-memory (CIM) is renowned in deep learning due to its high energy efficiency resulting from highly parallel computing with minimal data movement. However, current SRAM-based CIM designs suffer from long latency for loading…

Predictive high-fidelity finite element simulations of human cardiac mechanics co\-mmon\-ly require a large number of structural degrees of freedom. Additionally, these models are often coupled with lumped-parameter models of hemodynamics.…

计算工程、金融与科学 · 计算机科学 2020-02-18 Martin R. Pfaller , Maria Cruz Varona , Johannes Lang , Cristóbal Bertoglio , Wolfgang A. Wall

We present an algorithm for the efficient simulation of the half-filled spinless $t$-$V$ model on bipartite lattices, which combines the stochastic series expansion method with determinantal quantum Monte Carlo techniques widely used in…

强关联电子 · 物理学 2016-04-13 Lei Wang , Ye-Hua Liu , Matthias Troyer

In this era of big data, data analytics and machine learning, it is imperative to find ways to compress large data sets such that intrinsic features necessary for subsequent analysis are not lost. The traditional workhorse for data…

数值分析 · 数学 2020-01-03 Misha Kilmer , Lior Horesh , Haim Avron , Elizabeth Newman

Numerical computations and methods have become increasingly crucial in the study of spin foam models across various regimes. This paper adds to this field by introducing new algorithms based on tensor network methods for computing…

广义相对论与量子宇宙学 · 物理学 2024-07-01 Seth K. Asante , Sebastian Steinhaus

Out-of-equilibrium dynamics of non-integrable Hamiltonian many-body quantum systems are characterized by highly entangled wave functions. Near-maximal entanglement arises in systems exhibiting thermalization or pre-thermalization, where the…