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Nanoindentation is vital for probing mechanical properties, yet traditional grid-based workflows are inefficient for targeting specific microstructural features. We present an automated nanoindentation framework that integrates machine…

仪器与探测器 · 物理学 2025-04-28 Vivek Chawla , Dayakar Penumadu , Sergei Kalinin

This article revisits the problem of Bayesian shape-restricted inference in the light of a recently developed approximate Gaussian process that admits an equivalent formulation of the shape constraints in terms of the basis coefficients. We…

统计方法学 · 统计学 2019-02-14 Pallavi Ray , Debdeep Pati , Anirban Bhattacharya

In this study, we propose a novel approach, termed boundary integrated neural networks (BINNs), for analyzing in-plane crack problems within the framework of linear elastic fracture mechanics. The proposed approach integrates artificial…

计算工程、金融与科学 · 计算机科学 2025-03-03 Peijun Zhang , Yan Gu , Okyay Altay , Chuanzeng Zhang

Modern data science relies on data analytic pipelines to organize interdependent computational steps. Such analytic pipelines often involve different algorithms across multiple steps, each with its own hyperparameters. To achieve the best…

机器学习 · 计算机科学 2016-06-27 Yuyu Zhang , Mohammad Taha Bahadori , Hang Su , Jimeng Sun

In the pursuit of designing safer and more efficient energy-absorbing structures, engineers must tackle the challenge of improving crush performance while balancing multiple conflicting objectives, such as maximising energy absorption and…

材料科学 · 物理学 2025-02-25 Hirak Kansara , Siamak F. Khosroshahi , Leo Guo , Miguel A. Bessa , Wei Tan

This paper deals with combination of two modern engineering methods in order to optimise the shape of a representative casting product. The product being analysed is a sling, which is used to attach pulling rope in timber transportation.…

计算工程、金融与科学 · 计算机科学 2014-04-22 Nermina Zaimovic-Uzunovic , Samir Lemes , Damir Curic , Alan Topcic

We investigate adaptive design based on a single sparse pilot scan for generating effective scanning strategies for computed tomography reconstruction. We propose a novel approach using the linearised deep image prior. It allows…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Riccardo Barbano , Johannes Leuschner , Javier Antorán , Bangti Jin , José Miguel Hernández-Lobato

Trusses are load-carrying light-weight structures consisting of bars connected at joints ubiquitously applied in a variety of engineering scenarios. Designing optimal trusses that satisfy functional specifications with a minimal amount of…

图形学 · 计算机科学 2019-01-18 Caigui Jiang , Chengcheng Tang , Hans-Peter Seidel , Renjie Chen , Peter Wonka

Microfluidic devices are gaining attention for their small size and ability to handle tiny fluid volumes. Mixing fluids efficiently at this scale, known as micromixing, is crucial. This article builds upon previous research by introducing a…

We evaluate the robustness of a probabilistic formulation of system identification (ID) to sparse, noisy, and indirect data. Specifically, we compare estimators of future system behavior derived from the Bayesian posterior of a learning…

机器学习 · 统计学 2023-01-02 Nicholas Galioto , Alex Gorodetsky

High-performance semiconductor optoelectronics such as perovskites have high-dimensional and vast composition spaces that govern the performance properties of the material. To cost-effectively search these composition spaces, we utilize a…

计算机视觉与模式识别 · 计算机科学 2021-05-07 Alexander E. Siemenn , Matthew Beveridge , Tonio Buonassisi , Iddo Drori

Network structure optimization is a fundamental task in complex network analysis. However, almost all the research on Bayesian optimization is aimed at optimizing the objective functions with vectorial inputs. In this work, we first present…

机器学习 · 统计学 2018-11-07 Jiaxu Cui , Bo Yang

Topology optimization is an essential tool in computational engineering, for example, to improve the design and efficiency of flow channels. At the same time, Ising machines, including digital or quantum annealers, have been used as…

计算工程、金融与科学 · 计算机科学 2024-11-14 Yudai Suzuki , Shiori Aoki , Fabian Key , Katsuhiro Endo , Yoshiki Matsuda , Shu Tanaka , Marek Behr , Mayu Muramatsu

Bayesian optimal design is considered for experiments where the response distribution depends on the solution to a system of non-linear ordinary differential equations. The motivation is an experiment to estimate parameters in the equations…

统计方法学 · 统计学 2019-05-02 Antony Overstall , David Woods , Ben Parker

We develop a computational framework for D-optimal experimental design for PDE-based Bayesian linear inverse problems with infinite-dimensional parameters. We follow a formulation of the experimental design problem that remains valid in the…

数值分析 · 数学 2017-11-17 Alen Alexanderian , Arvind K. Saibaba

This study presents the development of a domain-responsive edge-aware multiscale Graph Neural Network for predicting steady, turbulent flow and thermal behavior in a two-dimensional channel containing arbitrarily shaped complex pin-fin…

流体动力学 · 物理学 2025-09-08 Riddhiman Raut , Evan M. Mihalko , Amrita Basak

This study investigates the potential accuracy boundaries of physics-informed neural networks, contrasting their approach with previous similar works and traditional numerical methods. We find that selecting improved optimization algorithms…

计算物理 · 物理学 2024-12-16 Jorge F. Urbán , Petros Stefanou , José A. Pons

Integration of machine learning (ML) into the topology optimization (TO) framework is attracting increasing attention, but data acquisition in data-driven models is prohibitive. Compared with popular ML methods, the physics-informed neural…

机器学习 · 计算机科学 2023-12-13 Jichao Yin , Ziming Wen , Shuhao Li , Yaya Zhanga , Hu Wang

Tomographic background oriented schlieren (Tomo-BOS) imaging measures density or temperature fields in 3D using multiple camera BOS projections, and is particularly useful for instantaneous flow visualizations of complex fluid dynamics…

流体动力学 · 物理学 2021-04-07 Shengze Cai , Zhicheng Wang , Frederik Fuest , Young-Jin Jeon , Callum Gray , George Em Karniadakis

Convolutional Neural Networks have rapidly become the most successful machine learning algorithm, enabling ubiquitous machine vision and intelligent decisions on even embedded computing-systems. While the underlying arithmetic is…

硬件体系结构 · 计算机科学 2018-09-13 Michaela Blott , Thomas Preusser , Nicholas Fraser , Giulio Gambardella , Kenneth O'Brien , Yaman Umuroglu
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