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检索条件"机构=Department of Geosciences and Program in Applied and Computational Mathematics"
860 条 记 录,以下是841-850 订阅
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ANOMALOUS DIMENSIONS IN TURBULENCE
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MODERN PHYSICS LETTERS A 1991年 第11期6卷 1023-1043页
作者: MIGDAL, AA Physics Department and Program in Applied and Computational Mathematics Princeton University Princeton NJ 08544 USA
A time-independent field theoretical framework for turbulence is suggested, based upon a variational principle for a stationary solution of the Fokker-Planck equation. We obtain a functional equation for the effective...
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NUMERICAL STUDY OF A 2-POINT CORRELATION-FUNCTION AND LIOUVILLE FIELD PROPERTIES IN 2-DIMENSIONAL QUANTUM-GRAVITY
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MODERN PHYSICS LETTERS A 1991年 第12期6卷 1115-1131页
作者: AGISHTEIN, ME BENAV, R MIGDAL, AA SOLOMON, S Program in Applied and Computational Mathematics Fine Hall Princeton University Princeton NJ 08544–1000 USA Nuclear Physics Department Weizmann Institute of Science Rehovot 76100 Israel Physics Department and Program in Applied and Computational Mathematics Fine Hall Princeton University Princeton NJ 08544–1000 USA Physics Department Hebrew University Jerusalem Israel
Two-point Green's function is measured on the manifolds of a 2-dimensional quantum gravity. The recursive sampling technique is used to generate the triangulations, lattice sizes being up to hundred thousand trian...
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Hybrid spectral-element-low-order methods for incompressible flows
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Journal of Scientific Computing 1991年 第2期6卷 79-100页
作者: Henderson, Ron Karniadakis, George Em. Department of Mechanical and Aerospace Engineering Program in Applied and Computational Mathematics Princeton University Princeton 08544 New Jersey United States
In this article we present a new formulation for coupling spectral element discretizations to finite difference and finite element discretizations addressing flow problems in very complicated geometries. A general ite... 详细信息
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ISING-MODEL SIMULATIONS ON THE MANIFOLDS OF 2-DIMENSIONAL QUANTUM-GRAVITY
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MODERN PHYSICS LETTERS A 1991年 第17期6卷 1615-1628页
作者: AGISHTEIN, ME BAILLIE, CF Program in Applied and Computational Mathematics Princeton University Fine Hall Princeton NJ 08544-1000 USA Physics Department University of Colorado Boulder CO 80309 USA
The Ising model is stimulated on the manifolds of 2-dimensional quantum gravity, which are represented by fixed random triangulations (so-called quenched Ising model). Unlike the case of the Ising model on a dynamical...
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Analysis of the linear stability of compressible boundary layers using the PSE
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Theoretical and computational Fluid Dynamics 1991年 第2期3卷 117-124页
作者: Bertolotti, F.P. Herbert, Th. Program in Applied and Computational Mathematics Princeton University Princeton 08544 NJ United States Department of Mechanical Engineering Ohio State University Columbus 43210 OH United States
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THREE-DIMENSIONAL QUANTUM GRAVITY AS DYNAMICAL TRIANGULATION
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Modern Physics Letters A 1991年 第20期6卷 1863-1884页
作者: M. E. AGISHTEIN A. A. MIGDAL Program in Applied and Computational Mathematics Fine Hall Princeton University Princeton NJ 08544–1000 USA Physics Department and Program in Applied and Computational Mathematics Fine Hall Princeton University Princeton NJ 08544-1000 USA
The dynamical triangulation model of 3-dimensional Quantum Gravity is defined and studied. We propose two different algorithms for numerical simulations, leading to consistent results. One is the 3-dimensional general...
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CHAOTIC TRANSPORT IN 2-DIMENSIONAL AND 3-DIMENSIONAL FLOW PAST A CYLINDER
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PHYSICS OF FLUIDS A-FLUID DYNAMICS 1991年 第5期3卷 1051-1062页
作者: BATCHO, P KARNIADAKIS, GE Program in Applied and Computational Mathematics Princeton University Princeton New Jersey 08544 Department of Mechanical and Aerospace Engineering Program in Applied and Computational Mathematics Princeton University Princeton New Jersey 08544
The response of transport measures (Nusselt number, drag and lift force) for two- and three-dimensional flow past a heated cylinder reaching a chaotic state is investigated numerically using a spectral element discret...
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Preserving dissipation in approximate inertial forms for the Kuramoto-Sivashinsky equation
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Journal of Dynamics and Differential Equations 1991年 第2期3卷 179-197页
作者: Jolly, M.S. Kevrekidis, I.G. Titi, E.S. Program in Applied and Computational Mathematics Princeton University Princeton 08544 New Jersey United States Department of Mathematics Indiana University Bloomington 47405 Indiana United States Department of Chemical Engineering Princeton University Princeton 08544 New Jersey United States Mathematical Sciences Institute Cornell University Ithaca 14853 New York United States Department of Mathematics University of California Irvine 92717 California United States
It has been observed, in earlier computations of bifurcation diagrams for dissipative partial differential equations, that the use of certain explicit approximate inertial forms can give rise to numerical artifacts su... 详细信息
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RECURSIVE SAMPLING OF PLANAR GRAPHS AND FRACTAL PROPERTIES OF A TWO-DIMENSIONAL QUANTUM GRAVITY
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International Journal of Modern Physics C 1990年 第1期01卷 165-179页
作者: MICHAEL E. AGISHTEIN ALEXANDER A. MIGDAL Physics Department and Program in Applied and Computational Mathematics Princeton University Fine Hall Princeton NJ 08544 USA
We describe a new approach to the Monte-Carlo simulations of two-dimensional gravity. Standard dynamical triangulation technique was combined with results of direct enumeration of the cubic graphs. As a result we were...
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GEOMETRIC CHARACTERIZATION OF STATES IN 2-DIMENSIONAL QUANTUM-GRAVITY
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MODERN PHYSICS LETTERS A 1990年 第12期5卷 965-977页
作者: AGISHTEIN, ME JACOBS, L MIGDAL, AA RICHARDSON, JL Program in Applied and Computational Mathematics Princeton University Fine Hall Princeton NJ 08544 USA Center for Theoretical Physics 6-403 Massachusetts Institute of Technology Cambridge MA 02139 USA Work supported in part by the U. S. Department of Energy (D.O.E.) under contract #DE-AC02-76ER03069. Department of Physics and Program in Applied and Computational Mathematics Princeton University Fine Hall Princeton NJ 08544 USA Thinking Machines Corporation 245 First Street Cambridge MA 02142 USA
We report first results of a large-scale simulation of two-dimensional quantum gravity using the dynamical triangulation model for systems of up to sixteen thousand triangles. Our results for the internal geometry sho...
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