Now showing items 44-63 of 349

    • Conservative Motion of a Discrete, Nonsymmetric, Hexahedral Gyroscope 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1997)
      **Please note that the full text is embargoed** ABSTRACT: Gyroscopic motion is simulated by applying a molecular dynamics formulation to a rigid hexahedron. The conservative dynamical differential equations are solved ...
    • Conservative Motion of Discrete, Hexahedral Gyroscope 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1996)
      **Please note that the full text is embargoed** ABSTRACT: Gyroscopic motion is simulated by applying a molecular dynamics formulation to a rigid hexahedron. The conservative dynamical differential equations are solved ...
    • Conservative Motion of Discrete, Tetrahedral Top on a Smooth Horizontal Plane 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1996)
      **Please note that the full text is embargoed** ABSTRACT: Tetrahedral tops are simulated as discrete, rigid bodies in rotation by introducing a molecular mechanics formulation. The contact point of the top with the XY plane ...
    • Conservative Motion of Discrete, Tetrahedral Tops and Gyroscopes 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1996)
      **Please note that the full text is embargoed** ABSTRACT: Tetrahedral tops and gyroscopes are simulated as discrete, rigid bodies in rotation by introducing a molecular mechanics formulation. The conservative, dynamical ...
    • Conserving Numerical Methods for x = f(x) 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1983-07)
      **Please note that the full text is embargoed** ABSTRACT: Physics is characterized by conservation laws and by symmetry [1]. Unfortunately, the application of numerical methodology in approximating solutions of initial ...
    • Continuous Deformation of a Developable Surface 

      Hsu, Chili Ping (University of Texas at ArlingtonDepartment of Mathematics, 1996-02)
      **Please note that the full text is embargoed** ABSTRACT: A developable surface can be developed from a piece of planar region, or vice versa. Several methods are known to construct an isometric mapping between the developable ...
    • Controlling Curvature in the Minkowski Plane 

      Ghandehari, Mostafa (University of Texas at ArlingtonDepartment of Mathematics, 1997)
      **Please note that the full text is embargoed** ABSTRACT: Pontryagin's maximum principle is used to find the curve of shortest length with bounded Minkowskian curvature passing through two points with given initial and ...
    • The Convolution of Generialized-F Distributions 

      Dyer, Danny D. (University of Texas at ArlingtonDepartment of Mathematics, 1981-01)
      **Please note that the full text is embargoed** ABSTRACT: The generalized-F variate is the ratio of two independent gamma variates, and its distribution includes as special cases such distributions as the inverted beta, ...
    • Covariant Computation in Special Relativistic Dynamics 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1988)
      **Please note that the full text is embargoed** ABSTRACT: The motion of a particle in a special relativistic framework is studied numerically. Difference equations which are covariant are developed first. It is then shown ...
    • CRAY X-MP/24 Fortran Programs for Capillarity 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1987)
      **Please note that the full text is embargoed** ABSTRACT: This technical report contains the FORTRAN programs used in generating capillary action. They are provided so that the computations described elsewhere can be ...
    • Differential Equations on Closed Subsets of a Banach Space 

      Lakshmikantham, V. (University of Texas at ArlingtonDepartment of Mathematics, 1974-07)
      **Please note that the full text is embargoed** ABSTRACT: The problem of existence of solutions to the initial value problem [see pdf for notations], where [see pdf for notations], F is a locally closed subset of a Banach ...
    • Differential Inequalities and Flow-Invariance via Linear Functionals 

      Lakshmikantham, V.; Eisenfeld, Jerome (University of Texas at ArlingtonDepartment of Mathematics, 1977-05)
      **Please note that the full text is embargoed** ABSTRACT: This paper deals with flow-invariance properties with respect to [see pdf for notation] and resulting comparison inequalities. Both the order relation He and the ...
    • A Direct Computational Method for Estimating the Parameters of a Nonlinear Model 

      Eisenfeld, Jerome; Cheng, Stephen W. (University of Texas at ArlingtonDepartment of Mathematics, 1978)
      **Please note that the full text is embargoed** ABSTRACT: We consider the system identification problem which deals with determining information about the unknown constant matrices A, B, and C or the linear dynamical system: ...
    • A Discrete Model for the Recovery of Oil from a Reservoir 

      Vargas-Jarillo, Cristobal (University of Texas at ArlingtonDepartment of Mathematics, 1984)
      **Please note that the full text is embargoed** ABSTRACT: In this work we simulate oil recovery by means of a molecular type approach. This means that we consider the solid and liquid materials to be composed of a finite ...
    • Discrete Modeling of Minimal Surfaces 

      Coppin, C.; Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1982-05)
      **Please note that the full text is embargoed** ABSTRACT: A new computer approach to the modeling of minimal surfaces is described and implemented. Quasi-molecular particles and forces are used to simulate actual molecular ...
    • Discrete Spring Solitons 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 2001-05)
      **Please note that the full text is embargoed** ABSTRACT: A soliton is a local, traveling wave pulse. It is significant in a variety of unrelated areas, like studies of water waves, acoustic waves, electron transfer, gravity ...
    • Discriminatory Von Neumann-Morgenstern Solutions 

      Heijmans, J. G. C. (University of Texas at ArlingtonDepartment of Mathematics, 1990-05)
      **Please note that the full text is embargoed** ABSTRACT: The von Neumann-Morgenstern solution (vN-M solution) or stable set is arguably the most dynamic and flexible solution concept for cooperative games with ...
    • Dynamical Generation of Electron Motions in Ground State H2+, in Ground State H2, and in the First Excited State of H2 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1996)
      **Please note that the full text is embargoed** ABSTRACT: Using the recent formulation of Gell-Mann and Hartle for approximating quantum dynamical phenomena by means of classical equations, we simulate electron motions in ...
    • Dynamical Simulation of the Simplest Hydrides 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1996)
      **Please note that the full text is embargoed** ABSTRACT: In agreement with recent results of Gell-Mann and Hartle, we approximate electron motions in ground state Li7H1 and Li7H2 using an energy conserving numerical method ...
    • Dynamics of Large Eddies in Turbulent Channel Flows 

      Payne, F. R.; Hong, S. K. (University of Texas at ArlingtonDepartment of Mathematics, 1987-06)
      **Please note that the full text is embargoed** ABSTRACT: A turbulence model that describes dynamics of large, characteristic eddies in inhomogeneous flows is proposed; two closure parameters are initially undetermined. ...