Browsing High Performance Computation for Engineered Systems (HPCES) by Title
Now showing items 29-48 of 87
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Fast Methods for Simulation of Biomolecule of Electrostatics
(2003-01)Biomolecular structure and interactions in aqueous environment are determined by a complicated interplay between physical and chemical forces including solvation, electrostatics, van der Waals forces, the hydrophobic effect ... -
FastAero – A Precorrected FFT – Fast Multipole Tree Steady and Unsteady Potential Flow Solver
(2005-01)In this paper a precorrected FFT-Fast Multipole Tree (pFFT-FMT) method for solving the potential flow around arbitrary three dimensional bodies is presented. The method takes advantage of the efficiency of the pFFT and FMT ... -
Finite Element Output Bounds for a Stabilized Discretization of Incompressible Stokes Flow
(2002-01)We introduce a new method for computing a posteriori bounds on engineering outputs from finite element discretizations of the incompressible Stokes equations. The method results from recasting the output problem as a ... -
Fluid Models for Traffic and Pricing
(2003-01)Fluid dynamics models provide a powerful deterministic technique to approximate stochasticity in a variety of application areas. In this paper, we study two classes of fluid models, investigate their relationship as well ... -
Generalized Stationary Points and an Interior Point Method for MPEC
(2003-01)Mathematical program with equilibrium constraints (MPEC)has extensive applications in practical areas such as traffic control, engineering design, and economic modeling. Some generalized stationary points of MPEC are studied ... -
Global Optimization with Polynomials
(2004-01)The class of POP (Polynomial Optimization Problems) covers a wide rang of optimization problems such as 0 - 1 integer linear and quadratic programs, nonconvex quadratic programs and bilinear matrix inequalities. In this ... -
Identification of Convection Constants for Electronic Packages Using Modified Genetic Algorithm and Reduced-Basis Method
(2002-01)A new inverse analysis method is presented to identify parameters of heat convection in microelectronic packages. This approach adopts a modified Micro Genetic Algorithm (µGA) in finding the global optimum of parameters. ... -
An Immersed Interface Method for the Incompressible Navier-Stokes Equations
(2004-01)We present an immersed interface algorithm for the incompressible Navier Stokes equations. The interface is represented by cubic splines which are interpolated through a set of Lagrangian control points. The position of ... -
An Immersed Interface Method for the Incompressible Navier-Stokes Equations in Irregular Domains
(2005-01)We present an immersed interface method for the incompressible Navier Stokes equations capable of handling rigid immersed boundaries. The immersed boundary is represented by a set of Lagrangian control points. In order to ... -
Improved O(N) neighbor list method using domain decomposition and data sorting
(2004-01)The conventional Verlet table neighbor list algorithm is improved to reduce the number of unnecessary inter-atomic distance calculations in molecular simulations involving large amount of atoms. Both of the serial and ... -
The Interplay of Ranks of Submatrices
(2004-01)A banded invertible matrix T has a remarkable inverse. All "upper" and "lower" submatrices of T⁻¹ have low rank (depending on the bandwidth in T). The exact rank condition is known, and it allows fast multiplication by ... -
Long range correction for wall-fluid interaction in molecular dynamic simulations
(2004-01)A new method is proposed for correctly modeling the long range interaction between a fluid and a bounding wall in atomistic simulations. This method incorporates the molecular structure of the solid substrate while allowing ... -
A Meshfree Weak- Strong-form (MWS) method for solid and fluid mechanics
(2004-01)Mesh free methods can be largely categorized into two main categories: mesh free methods based on strong forms (e.g. collocation methods) and mesh free methods based on the weak forms (EFG, MLPG, PIM, etc.; see Mesh Free ... -
Model Order Reduction for Determining Bubble Parameters to Attain a Desired Fluid Surface Shape
(2005-01)In this paper, a new methodology for predicting fluid free surface shape using Model Order Reduction (MOR) is presented. Proper Orthogonal Decomposition combined with a linear interpolation procedure for its coefficient ... -
Model reduction for active control design using multiple-point Arnoldi methods
(2003-01)A multiple-point Arnoldi method is derived for model reduction of computational fluid dynamic systems. By choosing the number of frequency interpolation points and the number of Arnoldi vectors at each frequency point, the ... -
Modeling generalized stacking fault in Au using tight-binding potential combined with a simulated annealing method
(2002-01)Tight-binding potential combined with a simulated annealing method is used to study the generalized stacking fault structure and energy of gold. The potential is chosen to fit band structures and total energies from a set ... -
Multi-Disciplinary Analysis in Morphing Airfoils
(2003-01)Fully morphing wings allow the active change of the wing surface contours/wing configuration in flight enabling the optimum wing design for various flight regimes. These wing shape deformations are obtained by using smart ... -
Multiparameter Moment Matching Model Reduction Approach for Generating Geometrically Parameterized Interconnect Performance Models
(2003-01)In this paper we describe an approach for generating geometrically-parameterized integrated-circuit interconnect models that are efficient enough for use in interconnect synthesis. The model generation approach presented ... -
Nonsmooth Newton’s Method and Semidefinite Optimization
(2003-01)We introduce basic ideas of a nonsmooth Newton’s method and its application in solving semidefinite optimization (SDO) problems. In particular, the method can be used to solve both linear and nonlinear semidefinite ... -
Numerical comparison between Maxwell stress method and equivalent multipole approach for calculation of the dielectrophoretic force in octupolar cell traps
(2005-01)This work presents detailed numerical calculations of the dielectrophoretic force in octupolar traps designed for single-cell trapping. A trap with eight planar electrodes is studied for spherical and ellipsoidal particles ...