Browsing High Performance Computation for Engineered Systems (HPCES) by Issue Date
Now showing items 1-20 of 87
-
Second-Order Fluid Dynamics Models for Travel Times in Dynamic Transportation Networks
(2002-01)In recent years, traffic congestion in transportation networks has grown rapidly and has become an acute problem. The impetus for studying this problem has been further strengthened due to the fast growing field of ... -
A Simple But Effective Evolutionary Algorithm for Complicated Optimization Problems
(2002-01)A simple but effective evolutionary algorithm is proposed in this paper for solving complicated optimization problems. The new algorithm presents two hybridization operations incorporated with the conventional genetic ... -
The Efficient Computation of Bounds for Functionals of Finite Element Solutions in Large Strain Elasticity
(2002-01)We present an implicit a-posteriori finite element procedure to compute bounds for functional outputs of finite element solutions in large strain elasticity. The method proposed relies on the existence of a potential energy ... -
Dynamic Pricing in a Competitive Environment
(2002-01)We present a dynamic optimization approach for perishable products in a competitive and dynamically changing market. We build a general optimization framework that ties together the competetive and the dynamic nature of ... -
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 ... -
Electromagnetic Scattering by Open-Ended Cavities: An Analysis Using Precorrected-FFT Approach
(2002-01)In this paper, the precorrected-FFT method is used to solve the electromagnetic scattering from two-dimensional cavities of arbitrary shape. The integral equation is discretized by the method of moments and the resultant ... -
A Trajectory Piecewise-Linear Approach to Model Order Reduction and Fast Simulation of Nonlinear Circuits and Micromachined Devices
(2002-01)In this paper we present an approach to the nonlinear model reduction based on representing the nonlinear system with a piecewise-linear system and then reducing each of the pieces with a Krylov projection. However, rather ... -
Viscoelastic Mobility Problem Using A Boundary Element Method
(2002-01)In this paper, the complete double layer boundary integral equation formulation for Stokes flows is extended to viscoelastic fluids to solve the mobility problem for a system of particles, where the non-linearity is handled ... -
Reduced-Basis Output Bound Methods for Parametrized Partial Differential Equations
(2002-01)We present a technique for the rapid and reliable prediction of linear-functional outputs of elliptic (and parabolic) partial differential equations with affine parameter dependence. The essential components are (i) ... -
A Simulation Method for Calculating the Path Travel Time in Dynamic Transportation Network
(2002-01)The calculation of path travel times is an essential component for the dynamic traffic assignment and equilibrium problems. This paper presents a simulation method for calculating actual path travel times for the traffic ... -
Applications of Semidefinite Optimization in Stochastic Project Scheduling
(2002-01)We propose a new method, based on semidefinite optimization, to find tight upper bounds on the expected project completion time and expected project tardiness in a stochastic project scheduling environment, when only limited ... -
Dynamic AGV-Container Job Deployment Strategy
(2002-01)Automated Guided Vehicles (AGVs) are now becoming popular in container-handling applications at seaport. Efficacy of the dispatching strategy adopted to deploy AGVs is a prime factor affecting the performance of the entire ... -
Research and Tutorial Exposition
(2002-01)My research is concentrated on applications of linear algebra in engineering, including wavelet analysis and structured matrices and (currently) approximation of large dense matrices by a mosaic of low rank blocks. -
Simulation Study of a Semi-Dynamic AGV-Container Unit Job Deployment Scheme
(2002-01)Automated Guided Vehicle (AGV) Container-Job deployment is essentially a vehicle-dispatching problem. In this problem, the impact of vehicle dispatching polices on the ship makespan for discharging and/or loading operations ... -
Optimal Design of Transonic Fan Blade Leading Edge Shape Using CFD and Simultaneous Perturbation Stochastic Approximation Method
(2002-01)Simultaneous Perturbation Stochastic Approximation method has attracted considerable application in many different areas such as statistical parameter estimation, feedback control, simulation-based optimization, signal & ... -
Fast Analysis of Scattering by Arbitrarily Shaped Three-Dimensional Objects Using the Precorrected-FFT Method
(2002-01)This paper presents an accurate and efficient method-of-moments solution of the electrical-field integral equation (EFIE) for large, three-dimensional, arbitrarily shaped objects. In this method, the generalized conjugate ... -
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. ... -
Optimal Bidding in Online Auctions
(2002-01)Online auctions are arguably one of the most important and distinctly new applications of the internet. The predominant player in online auctions, eBay, has over 18.9 milllion users, and it was the host of over $5 billion ... -
Solution Methodologies for the Smallest Enclosing Circle Problem
(2002-01)Given a set of circles C = {c₁, ..., cn}on the Euclidean plane with centers {(a₁, b₁), ..., (an, b<sub>n</sub>)}and radii {r₁..., r<n},the smallest enclosing circle (of fixed circles) problem is to ï¬nd the circle of ... -
Statistical Error in Particle Simulations of Low Mach Number Flows
(2002-01)We present predictions for the statistical error due to finite sampling in the presence of thermal fluctuations in molecular simulation algorithms. Expressions for the fluid velocity, density and temperature are derived ...
