中文
相关论文

相关论文: Learning a reactive potential for silica-water thr…

200 篇论文

Organic synthesis stands as a cornerstone of the chemical industry. The development of robust machine learning models to support tasks associated with organic reactions is of significant interest. However, current methods rely on…

机器学习 · 计算机科学 2025-01-06 Kaipeng Zeng , Xianbin Liu , Yu Zhang , Xiaokang Yang , Yaohui Jin , Yanyan Xu

While machine-learned interatomic potentials have become a mainstay for modeling materials, designing training sets that lead to robust potentials is challenging. Automated methods, such as active learning and on-the-fly learning, construct…

材料科学 · 物理学 2023-10-13 Jason A. Meziere , Yu Luo , Yi Zia , LK Beland , MR Daymond , Gus L. W. Hart

We introduce a machine-learning interatomic potential for tungsten using the Gaussian Approximation Potential framework. We specifically focus on properties relevant for simulations of radiation-induced collision cascades and the damage…

计算物理 · 物理学 2019-10-24 Jesper Byggmästar , Ali Hamedani , Kai Nordlund , Flyura Djurabekova

Over the last decade, an increasing body of evidence has emerged, supporting the existence of a metastable liquid-liquid critical point in supercooled water, whereby two distinct liquid phases of different densities coexist. Analysing long…

软凝聚态物质 · 物理学 2024-08-20 Cesare Malosso , Natalia Manko , Maria Grazia Izzo , Stefano Baroni , Ali Hassanali

We present an active learning framework for efficiently generating training data for machine-learned interatomic potentials (MLIPs). The method combines local entropy-driven molecular dynamics with global dataset-aware filtering: a…

材料科学 · 物理学 2026-05-21 Meiyan Wang , Rishi Rao , Li Zhu

All-atom dynamics simulations are an indispensable quantitative tool in physics, chemistry, and materials science, but large systems and long simulation times remain challenging due to the trade-off between computational efficiency and…

材料科学 · 物理学 2024-03-21 Stephen R. Xie , Matthias Rupp , Richard G. Hennig

Molecular dynamics simulations are an important tool for describing the evolution of a chemical system with time. However, these simulations are inherently held back either by the prohibitive cost of accurate electronic structure theory…

化学物理 · 物理学 2018-12-20 Michael Gastegger , Philipp Marquetand

Molecular simulation study of the heat capacity of metastable water between 100K and 300K Molecular simulations have been used to study the heat capacity of metastable liquid water at low temperature adsorbed on a smooth surface. These…

软凝聚态物质 · 物理学 2019-04-29 Joel Puibasset , P. Judeinstein , J. -M Zanotti

Long-range electrostatics and polarization remain central obstacles to extending machine learning interatomic potentials (MLIPs) to ionic, polar, and interfacial systems. Here, we introduce a semi-local framework for learning electrostatics…

A mathematical model is developed that captures the transport of liquid water in hardened concrete, as well as the chemical reactions that occur between the imbibed water and the residual calcium silicate compounds residing in the porous…

计算工程、金融与科学 · 计算机科学 2009-08-12 Michael Chapwanya , Wentao Liu , John M. Stockie

Can a micron sized sack of interacting molecules autonomously learn an internal model of a complex and fluctuating environment? We draw insights from control theory, machine learning theory, chemical reaction network theory, and statistical…

分子网络 · 定量生物学 2023-11-08 William Poole , Thomas E. Ouldridge , Manoj Gopalkrishnan

Understanding the evolution of electrified solid-liquid interfaces during electrochemical reactions is crucial. However, capturing the dynamic behavior of the interfaces with high temporal resolution and accuracy over long timescales…

化学物理 · 物理学 2024-11-26 Letian Chen , Yun Tian , Xu Hu , Suya Chen , Huijuan Wang , Xu Zhang , Zhen Zhou

Image-text contrastive learning models such as CLIP have demonstrated strong task transfer ability. The high generality and usability of these visual models is achieved via a web-scale data collection process to ensure broad concept…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Haotian Liu , Kilho Son , Jianwei Yang , Ce Liu , Jianfeng Gao , Yong Jae Lee , Chunyuan Li

Cerium hydride has a variety of interesting properties, including a known lattice contraction and densification with increasing hydrogen content. However, precise stoichiometric control is not experimentally straightforward and {\it ab…

材料科学 · 物理学 2026-02-19 Brenden W. Hamilton , Travis E. Jones , Timothy C. Germann , Benjamin T. Nebgen

We train an equivariant machine learning model to predict energies and forces for a real-world study of hydrogen combustion under conditions of finite temperature and pressure. This challenging case for reactive chemistry illustrates that…

化学物理 · 物理学 2023-06-16 Xingyi Guan , Joseph Heindel , Taehee Ko , Chao Yang , Teresa Head-Gordon

Belite -- dicalcium silicate Ca$_2$SiO$_4$ -- is a main constituent of low-carbon cement. In this work, we study several terminations of the (010) surface of $\gamma$-belite, its most stable polymorph, by molecular dynamics simulations. The…

材料科学 · 物理学 2025-12-11 Bernadeta Prus , Jörg Behler

Water is a notoriously difficult substance to model both accurately and efficiently. Here, we focus on descriptions with a single coarse-grained particle per molecule using the so-called Approximate Non-Conformal (ANC) and generalized…

软凝聚态物质 · 物理学 2017-10-25 Tonalli Rodríguez-López , Yuriy Khalak , Mikko Karttunen

We propose a new multi-scale molecular dynamics simulation method which can achieve high accuracy and high sampling efficiency simultaneously without aforehand knowledge of the coarse grained (CG) potential and test it for a biomolecular…

生物物理 · 物理学 2009-08-05 Wenfei Li , Shoji Takada

The development by machine learning of models predicting materials' properties usually requires the use of a large number of consistent data for training. However, quality experimental datasets are not always available or self-consistent.…

材料科学 · 物理学 2019-01-29 Kai Yang , Xinyi Xu , Benjamin Yang , Brian Cook , Herbert Ramos , Mathieu Bauchy

Machine-learned interatomic potentials are revolutionising atomistic materials simulations by providing accurate and scalable predictions within the scope covered by the training data. However, generation of an accurate and robust training…