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检索条件"机构=Laboratory of Computational Physics Institute of Applied Physics and Computational Mathematics"
6650 条 记 录,以下是231-240 订阅
排序:
2d 3t Pinns for Solving 2-D 3-T Heat Conduction Equations Based on physics-Informed Neural Networks
SSRN
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SSRN 2024年
作者: Lei, Xiaojun Gu, Tongxiang Xu, Xiaowen An, Hengbin Yao, Yanzhong Graduate School of Chinese Academy of Engineering Physics Beijing100193 China Laboratory of Computational Physics Institute of Applied Physics and Computational Mathematics Beijing100088 China CAEP Software Center for Numerical Simulation Beijing100088 China Institute of Applied Physics and Computational Mathematics China
The 2-D 3-T heat conduction equations can approximate the propagation of energy in the material, as well as the energy exchange process of electrons, ions and photons. In many cases, the computational time to solve th... 详细信息
来源: 评论
Local Well-posedness of the Derivative Schrödinger Equation in Higher Dimension for Any Large Data
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Chinese Annals of mathematics,Series B 2022年 第6期43卷 977-998页
作者: Boling GUO Zhaohui HUO Institute of Applied Physics and Computational Mathematics P.O.Box 8009Beijing 100088China Institute of Mathematics Academy of Mathematics and Systems ScienceCASBeijing 100190China Hua Loo-Keng Key Laboratory of Mathematics Chinese Academy of SciencesBeijing 100190China
In this paper,the authors consider the local well-posedness for the derivative Schrödinger equation in higher dimension ut-iΔu+|u|^(2)(→γ·▽u)+u^(2)(→λ·▽-u)=0,(x,t)∈R^(n)×R,→γ,→λ∈R^(n);... 详细信息
来源: 评论
NUMERICAL APPROXIMATION CAPACITY OF NEURAL NETWORKS WITH BOUNDED PARAMETERS: DO LIMITS EXIST, AND HOW CAN THEY BE MEASURED?
arXiv
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arXiv 2024年
作者: Liu, Li Yu, Tengchao Yong, Heng Institute of Applied Physics and Computational Mathematics Beijing100090 China
The Universal Approximation Theorem posits that neural networks can theoretically possess unlimited approximation capacity with a suitable activation function and a freely chosen or trained set of parameters. However,... 详细信息
来源: 评论
Multi-component multi-scale hydrodynamic plasma flow models in mechanical and thermal disequilibria
arXiv
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arXiv 2024年
作者: Zhang, Chao Institute of Applied Physics and Computational Mathematics Beijing100094 China
The present work is motivated by the mixing mechanism in inertial confinement fusion (ICF), which remarkably degrades the ignition performance. The mixing is a direct result of velocity disequilibrium and affected by ... 详细信息
来源: 评论
Pulsation Analysis of High-AmplitudeδScuti Stars with TESS
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Research in Astronomy and Astrophysics 2023年 第7期23卷 15-24页
作者: 薛王俊婷 牛家树 薛会芳 银思静 Institute of Theoretical Physics Shanxi UniversityTaiyuan 030006China State Key Laboratory of Quantum Optics and Quantum Optics Devices Shanxi UniversityTaiyuan 030006China Department of Physics Taiyuan Normal UniversityJinzhong 030619China Institute of Computational and Applied Physics Taiyuan Normal UniversityJinzhong 030619China College of Physics and Electronic Engineering Shanxi UniversityTaiyuan 030006China
In this work,the pulsation analysis is performed on 83 high-amplitudeδScuti stars(HADS),which have been observed by the Transiting Exoplanet Survey *** results show that 49 of these HADS show single-mode pulsation,27... 详细信息
来源: 评论
Elasticity and acoustic velocities of δ−AlOOH at extreme conditions: A methodology assessment
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Physical Review Materials 2024年 第10期8卷 103601页
作者: Chenxing Luo (罗晨星) Yang Sun (孙阳) Renata M. Wentzcovitch Department of Applied Physics and Applied Mathematics Department of Physics Department of Earth and Environmental Sciences Lamont–Doherty Earth Observatory Data Science Institute Center for Computational Quantum Physics
Hydrous phases play a fundamental role in the deep-water cycle on Earth. Understanding their stability and thermoelastic properties is essential for constraining their abundance using seismic tomography. However, dete... 详细信息
来源: 评论
Comment to the paper J. Yan et al. Experimental confirmation of driving pressure boosting and smoothing for hybrid-drive inertial fusion at the 100-kJ laser facility [Nature Communications (2023) 14:5782]
arXiv
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arXiv 2024年
作者: Lan, Ke Institute of Applied Physics and Computational Mathematics Beijing100094 China
The lack of key experimental data leads us to the conclusion that, thepublished experimental confirmation of driving pressure boosting and smoothingfor hybrid-drive inertial fusion is not credible. © 2024, CC BY.
来源: 评论
Remarks on Sharp Interface Limit for an Incompressible Navier-Stokes and Allen-Cahn Coupled System
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Chinese Annals of mathematics,Series B 2023年 第5期44卷 663-686页
作者: Song JIANG Xiangxiang SU Feng XIE Institute of Applied Physics and Computational Mathematics Beijing 100088China School of Mathematical Sciences Shanghai Jiao Tong UniversityShanghai 200240China School of Mathematical Sciences CMA-ShanghaiShanghai Jiao Tong UniversityShanghai 200240China
The authors are concerned with the sharp interface limit for an incompressible Navier-Stokes and Allen-Cahn coupled system in this *** the thickness of the diffuse interfacial zone,which is parameterized by ε,goes to... 详细信息
来源: 评论
TWO-POINT POLYNOMIAL PATTERNS IN SUBSETS OF POSITIVE DENSITY IN Rn
arXiv
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arXiv 2024年
作者: Chen, Xuezhi Miao, Changxing Institute of Applied Physics & Computational Mathematics Beijing100088 China
Let γ(t) = (P1(t), . . ., Pn(t)) where Pi is a real polynomial with zero constant term for each 1 ≤ i ≤ n. We will show the existence of the configuration {x, x + γ(t)} in sets of positive density ǫ in [0, 1]n wit... 详细信息
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A CELL-CENTERED ALE METHOD WITH HLLC-2D RIEMANN SOLVER IN 2D CYLINDRICAL GEOMETRY
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Journal of computational mathematics 2021年 第5期39卷 666-692页
作者: Jian Ren Zhijun Shen Wei Yan Guangwei Yuan Institute of Applied Physics and Computational Mathematics Beijing 100088China Center for Applied Physics and Technology HEDPSPeking UniversityBeijing 100081China
This paper presents a second-order direct arbitrary Lagrangian Eulerian(ALE)method for compressible flow in two-dimensional cylindrical *** algorithm has half-face fluxes and a nodal velocity solver,which can ensure t... 详细信息
来源: 评论