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Rapid development in numerical modelling of materials and the complexity of new models increases quickly together with their computational demands. Despite the growing performance of modern computers and clusters, calibration of such models…

神经与进化计算 · 计算机科学 2016-03-08 Tomáš Mareš , Eliška Janouchová , Anna Kučerová

In this era of exoplanet characterisation with JWST, the need for a fast implementation of classical forward models to understand the chemical and physical processes in exoplanet atmospheres is more important than ever. Notably, the…

地球与行星天体物理 · 物理学 2023-06-28 Julius L. A. M. Hendrix , Amy J. Louca , Yamila Miguel

Discovery of atomistic systems with desirable properties is a major challenge in chemistry and material science. Here we introduce a novel, autoregressive, convolutional deep neural network architecture that generates molecular equilibrium…

机器学习 · 统计学 2018-10-29 Niklas W. A. Gebauer , Michael Gastegger , Kristof T. Schütt

Artificial Neural Networks (ANN) are already heavily involved in methods and applications for frequent tasks in the field of computational chemistry such as representation of potential energy surfaces (PES) and spectroscopic predictions.…

化学物理 · 物理学 2022-12-23 Silvan Käser , Luis Itza Vazquez-Salazar , Markus Meuwly , Kai Töpfer

Chemistry plays an important role in the interstellar medium (ISM), regulating heating and cooling of the gas, and determining abundances of molecular species that trace gas properties in observations. Although solving the time-dependent…

星系天体物理 · 物理学 2019-04-05 Munan Gong , Eve C. Ostriker , Mark G. Wolfire

Most chemical processes, such as distillation, absorption, extraction, and catalytic reactions, are extremely complex processes that are affected by multiple factors. The relationships between their input variables and output variables are…

系统与控制 · 电气工程与系统科学 2021-10-19 Li Sun , Fei Liang , Wutai Cui

Due to its powerful capability and high efficiency in big data analysis, machine learning has been applied in various fields. We construct a neural network platform to constrain the behaviors of the equation of state of nuclear matter with…

核理论 · 物理学 2024-04-18 Ling-Jun Guo , Jia-Ying Xiong , Yao Ma , Yong-Liang Ma

Artificial neural networks learn various rules and algorithms to form different ways of processing information, and have been widely used in various chemical processes. Among them, with the development of rectification technology, its…

机器学习 · 计算机科学 2021-10-05 Jing Sun , Qi Tang

A promising approach to improve climate-model simulations is to replace traditional subgrid parameterizations based on simplified physical models by machine learning algorithms that are data-driven. However, neural networks (NNs) often lead…

大气与海洋物理 · 物理学 2021-04-07 Janni Yuval , Paul A. O'Gorman , Chris N. Hill

Non-equilibrium chemistry is a key process in the study of the InterStellar Medium (ISM), in particular the formation of molecular clouds and thus stars. However, computationally it is among the most difficult tasks to include in…

星系天体物理 · 物理学 2022-12-07 Lorenzo Branca , Andrea Pallottini

A novel artificial neural network method is proposed for solving Cauchy inverse problems. It allows multiple hidden layers with arbitrary width and depth, which theoretically yields better approximations to the inverse problems. In this…

数值分析 · 数学 2020-01-07 Yixin Li , Xianliang Hu

Partial differential equations have a wide range of applications in modeling multiple physical, biological, or social phenomena. Therefore, we need to approximate the solutions of these equations in computationally feasible terms. Nowadays,…

数值分析 · 数学 2024-11-14 Carlos Uriarte

Many important phenomena in biochemistry and biology exploit dynamical features such as multi-stability, oscillations, and chaos. Construction of novel chemical systems with such rich dynamics is a challenging problem central to the fields…

分子网络 · 定量生物学 2026-05-04 Alexander Dack , Benjamin Qureshi , Thomas E. Ouldridge , Tomislav Plesa

Molecular circuits capable of autonomous learning could unlock novel applications in fields such as bioengineering and synthetic biology. To this end, existing chemical implementations of neural computing have mainly relied on emulating…

机器学习 · 计算机科学 2025-09-23 Rajiv Teja Nagipogu , John H. Reif

Astrochemical models can be greatly simplified, with obvious computational advantages, if the reaction networks for key species can be reduced to a bare minimum. In addition, if chemical equilibrium holds, then simple analytical solutions…

星系天体物理 · 物理学 2025-08-26 Jonathan Rawlings , Eric Keto , Paola Caselli

We proposed a framework for solving inverse problems in differential equations based on neural networks and automatic differentiation. Neural networks are used to approximate hidden fields. We analyze the source of errors in the framework…

数值分析 · 数学 2024-12-20 Kailai Xu , Eric Darve

Modeling atmospheric chemistry is complex and computationally intense. Given the recent success of Deep neural networks in digital signal processing, we propose a Neural Network Emulator for fast chemical concentration modeling. We consider…

机器学习 · 计算机科学 2025-01-16 Zhi-Song Liu , Petri Clusius , Michael Boy

Machine learning techniques including neural networks are popular tools for materials and chemical scientists with applications that may provide viable alternative methods in the analysis of structure and energetics of systems ranging from…

统计力学 · 物理学 2022-03-02 James Andrews , Olga Gkountouna , Estela Blaisten-Barojas

The goal of this work is to train a neural network which approximates solutions to the Navier-Stokes equations across a region of parameter space, in which the parameters define physical properties such as domain shape and boundary…

计算物理 · 物理学 2021-06-02 Christopher J Arthurs , Andrew P King

Reaction-diffusion systems represent one of the most fundamental formulations used to describe a wide range of physical, chemical, and biological processes. With the increasing adoption of neural networks, recent research has focused on…

机器学习 · 计算机科学 2025-10-17 Haotian Feng
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