Now showing items 41-60 of 349

    • Molecular Cavity Flow 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1998-01)
      **Please note that the full text is embargoed** ABSTRACT: Using molecular mechanics, cavity flow is studied in a basin of 4235 water molecules at 15°C. Primary vortices are generated with wallspeeds [see pdf for notation]. ...
    • Potential and Consistency for Semivalues of Finite Cooperative TU Games 

      Dragan, Irinel C. (University of Texas at ArlingtonDepartment of Mathematics, 1998-01)
      **Please note that the full text is embargoed** ABSTRACT: A new axiomatic characterization of the semivalues of finite cooperative n-person games with transferable utilities is given, by using a potential function. The ...
    • Studies in Rapid Kinetic Reactions by Quasi-Quantum Mechanical, Conservative Methodology 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1990-12)
      **Please note that the full text is embargoed** ABSTRACT: Simulations are made of prototype, ground state, rapid kinetic reactions for A+BC, in which B, and C are hydrogen atoms and BC is a hydrogen molecule. We study ...
    • Accurate Quasi-Quantum Mechanical Numerical Methodology 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of MathematicsDepartment of Mathematics, 1990-10)
      **Please note that the full text is embargoed** ABSTRACT: A quasi-quantum mechanical method in which energy is determined by quantum mechanics and motion by Newtonian mechanics is studied by combining it with numerical ...
    • A Particle Model of Ground State H2 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1990-06)
      **Please note that the full text is embargoed** ABSTRACT: A particle model is developed for the ground state H2 molecule. Interparticle forces are formulated which are noncoulombic, but nearly coulombic. The vibration ...
    • On the Error in Quasi-Quantum Mechanical Calculations 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1990-06)
      **Please note that the full text is embargoed** ABSTRACT: A numerical simulation of the vibration of a ground state H2 molecule is made from a quasi-quantum mechanical point of view, that is, energy has been determined ...
    • 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 ...
    • 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. ...
    • An Elementary Algebraic Method for Approximating Average Radii of First and Secong Ring Electrons 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1984-11)
      **Please note that the full text is embargoed** ABSTRACT: In this paper, experimental ionization energies are used to determine algebraic equations whose solutions approximate relativistic quantum mechanical estimates ...
    • Sample Solutions of Stochastic Boundary Value Problems 

      Lakshmikantham, V.; Ladde, G. S.; Deimling, K. (University of Texas at ArlingtonDepartment of Mathematics, 1984-11)
      **Please note that the full text is embargoed** ABSTRACT: We prove existence theorems for nonlinear stochastic Sturmiouville problems which improve results from [4]. In the simplest case this is done by means of a known ...
    • 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 ...
    • Particle Modeling of Unstable Mode Configurations and Elastic Bending of Deformable Shells 

      Casulli, Vincenzo; Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1984)
      **Please note that the full text is embargoed** ABSTRACT: A new particle-type of modeling is developed for the simulation of phenomena related to the bending of elastic shells. Application is made to the determination of ...
    • Particle Simulation of Compression Waves 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1984-05)
      **Please note that the full text is embargoed** ABSTRACT: Compression waves are studied using a quasi-molecular, particle approach. Explosive type disturbances are simulated to generate such waves, which propagate by the ...
    • Geometrical Problems in Engineering Mechanics 

      Kashefi, Feraydune; Ghandehari, Mostafa (University of Texas at ArlingtonDepartment of Mathematics, 2005-11)
      **Please note that the full text is embargoed** ABSTRACT: Four problems in two dimensional geometry are presented, which are applicable to education of the basic courses, statics. These problems represent geometrical ...
    • A Geometric Inequality for Convex Polygons 

      Ghandehari, Mostafa (University of Texas at ArlingtonDepartment of Mathematics, 2001-05)
      **Please note that the full text is embargoed** ABSTRACT: Consider a regular polygon with vertices P1, P2, , Pn. Assume P is an interior point. Let [see pdf for notation] denote the Euclidean distance from P to Pi, i = ...
    • Minkowski's Inequality for Convex Curves 

      Ghandehari, Mostafa (University of Texas at Arlingtonhttp://hdl.handle.net/10106/2458, 2001-05)
      **Please note that the full text is embargoed** ABSTRACT: Minkowski's inequality is a relation between mixed areas of two curves and their respective areas. The concept of mixed area is defined. A variational technique is ...
    • 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 ...
    • On a New Mathematical Model of the Molecular Bond 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 2001-05)
      **Please note that the full text is embargoed** ABSTRACT: Using a new model of the molecular bond, we produce a set of initial conditions for the ground state H2 molecule which yield, over one complete period, bond length ...
    • A Semiclassical, Dynamical Model of Methane 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1993)
      **Please note that the full text is embargoed** ABSTRACT: In this paper we present a semiclassical, dynamical model of the ground state methane molecule. The resulting 13-body problem is solved numerically using energy ...
    • Particle Modelling of a Jiggling Gel 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1993)
      **Please note that the full text is embargoed** ABSTRACT: Computer generated conical gels are constructed using classical molecular type formulas. Gravity is included in the modeling. Illustrative examples of gel jiggling ...