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检索条件"机构=Department of Mathematics and Program in Applied and Interdisciplinary Mathematics"
2569 条 记 录,以下是291-300 订阅
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New Trends on Multiphase Flow Simulations Using Slug Capturing Approach  6th
New Trends on Multiphase Flow Simulations Using Slug Capturi...
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6th Multiphase Flow Journey, JEM 2021
作者: Nikfarjam, Farhad Anbarlooei, Hamidreza Cruz, Daniel O. A. Department of Applied Mathematics Institute of Mathematics Federal University of Rio de Janeiro Rio de Janeiro Brazil Mechanical Engineering Program Coppe Federal University of Rio de Janeiro Rio de Janeiro Brazil
It is well known that the 4-equation formulation of the two-fluid model is ill-posed. As a result, it is impossible to differentiate between the errors originating from uncertainty in the empirical closure models and ... 详细信息
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Sharp interfaces in two-dimensional free boundary problems: Interface calculation via matched conformal maps
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Physical Review E 2014年 第1期90卷 012407-012407页
作者: Stuart Kent Shankar C. Venkataramani Program in Applied Mathematics University of Arizona Tucson Arizona 85721 USA Department of Mathematics University of Arizona Tucson Arizona 85721 USA
We use conformal maps to study a free boundary problem for a two-fluid electromechanical system, where the interface between the fluids is determined by the combined effects of electrostatic forces, gravity, and surfa... 详细信息
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Aircraft agility maneuvers
Aircraft agility maneuvers
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Astrodynamics Conference, 1992
作者: Cliff, Eugene M. Thompson, Brian G. Aerospace and Ocean Engineering Department Interdisciplinary Center for Applied Mathematics Virginia Polytechnic Institute and State University United States SPARTA Inc HuntsvilleAL United States
A new dynamic model for aircraft motions is presented. This model can be viewed as intermediate between a point-mass model, in which the body attitude angles are control-like, and a rigid-body model, in which the body... 详细信息
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Minimum loss optimization in distribution systems: Discrete ascent optimal programming
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ELECTRIC POWER SYSTEMS RESEARCH 1996年 第2期36卷 113-121页
作者: Broadwater, RP Dolloff, PA Herdman, TL Karamikhova, R Sargent, AF [a] Bradley Department of Electrical Engineering Virginia Polytechnic Institute and State University Blacksburg VA 24061 USA [b] Interdisciplinary Center for Applied Mathematics Virginia Polytechnic Institute and State University Blacksburg VA 24061 USA [c] Entergy Corporation Hot Springs AR 71901 USA
A new algorithm, discrete ascent optimal programming, for optimal power flow in distribution systems is presented. The new algorithm will converge to the same solution as the Lagrange multiplier approach, as demonstra... 详细信息
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Modeling high frequency modes for accurate low-dimensional galerkin models
Modeling high frequency modes for accurate low-dimensional g...
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作者: Akhtar, Imran Borggaard, Jeff Iliescu, Traian Ribbens, Calvin J. Interdisciplinary Center for Applied Mathematics Virginia Tech Blacksburg VA 24061 United States Department of Computer Science Virginia Tech Blacksburg VA 24061 United States
Dynamical systems ideas have recently gained increased momentum in the study of turbulent flows. The reason is that dynamical systems could be used to describe low dimensional structures, such as the coherent structur... 详细信息
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Generalization and memorization: The Bias Potential Model
arXiv
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arXiv 2020年
作者: Yang, Hongkang Weinan, E. Program in Applied and Computational Mathematics Princeton University Department of Mathematics Princeton University
Models for learning probability distributions such as generative models and density estimators behave quite differently from models for learning functions. One example is found in the memorization phenomenon, namely t... 详细信息
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Integrating machine learning with physics-based modeling
arXiv
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arXiv 2020年
作者: Weinan, E. Han, Jiequn Zhang, Linfeng Department of Mathematics Princeton University Program in Applied and Computational Mathematics Princeton University
Machine learning is poised as a very powerful tool that can drastically improve our ability to carry out scientific research. However, many issues need to be addressed before this becomes a reality. This article focus... 详细信息
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Numerical computation of H optimal performance
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Journal of Scientific Computing 1992年 第4期7卷 289-311页
作者: Yang, Hong Orszag, J.Michael Program in Applied and Computational Mathematics Princeton University Princeton 08544 New Jersey United States Department of Economics University of Michigan Ann Arbor 48109 Michigan United States
We present new algorithms for computing the H∞ optimal performance for a class of single-input/single-output (SISO) infinite-dimensional systems. The algorithms here only require use of one or two fast Fourier transf... 详细信息
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Earthmover-based manifold learning for analyzing molecular conformation spaces
arXiv
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arXiv 2019年
作者: Zelesko, Nathan Moscovich, Amit Kileel, Joe Singer, Amit Department of Mathematics Brown University Program in Applied and Computational Mathematics Princeton University Department of Mathematics Princeton University
In this paper, we propose a novel approach for manifold learning that combines the Earthmover's distance (EMD) with the diffusion maps method for dimensionality reduction. We demonstrate the potential benefits of ... 详细信息
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Nash equilibria strategies and equivalent single-objective optimization problems. The case of linear partial differential equations
arXiv
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arXiv 2019年
作者: Ramos, Angel Manuel Interdisciplinary Mathematics Institute Department of Applied Mathematics and Mathematical Analysis Complutense University of Madrid Spain
In this paper we study the existence and uniqueness of Nash equilibria (solution to competition-wise problems, with several controls trying to reach possibly different goals) associated to linear partial differential ... 详细信息
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