Browsing High Performance Computation for Engineered Systems (HPCES) by Title
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SecondOrder Fluid Dynamics Models for Travel Times in Dynamic Transportation Networks
(200201)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 ... 
Shock Capturing with Discontinuous Galerkin Method
(200601)Shock capturing has been a challenge for computational fluid dynamicists over the years. This article deals with discontinuous Galerkin method to solve the hyperbolic equations in which solutions may develop discontinuities ... 
A Simple But Effective Evolutionary Algorithm for Complicated Optimization Problems
(200201)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 ... 
A Simulation Method for Calculating the Path Travel Time in Dynamic Transportation Network
(200201)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 ... 
Simulation of Flow Field and Particle Trajectories in Hard Disk Drive Enclosures
(200401)The airflow field and particle trajectories inside hard disk drive (HDD) are investigated in this study using commercial software Fluent and Gambit. Threedimensional grids inside the HDD configuration are built using ... 
Simulation Study of a SemiDynamic AGVContainer Unit Job Deployment Scheme
(200201)Automated Guided Vehicle (AGV) ContainerJob deployment is essentially a vehicledispatching problem. In this problem, the impact of vehicle dispatching polices on the ship makespan for discharging and/or loading operations ... 
Solution Methodologies for the Smallest Enclosing Circle Problem
(200201)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 ... 
Solving symmetric indefinite systems in an interiorpoint method for second order cone programming
(200201)Many optimization problems can be formulated as second order cone programming (SOCP) problems. Theoretical results show that applying interiorpoint method (IPM) to SOCP has global polynomial convergence. However, various ... 
Statistical Error in Particle Simulations of Fluid Flow and Heat Transfer
(200301)We present predictions for the statistical error due to finite sampling in the presence of thermal fluctuations in molecular simulation algorithms. Specifically, we present predictions for the error dependence on hydrodynamic ... 
Statistical Error in Particle Simulations of Low Mach Number Flows
(200201)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 ... 
Stochastic TransportationInventory Network Design Problem
(200201)In this paper, we study the stochastic transportationinventory network design problem involving one supplier and multiple retailers. Each retailer faces some uncertain demand. Due to this uncertainty, some amount of safety ... 
Structural Topology Optimization Using a Genetic Algorithm and a Morphological Representation of Geometry
(200301)This paper describes an intuitive way of defining geometry design variables for solving structural topology optimization problems using a genetic algorithm (GA). The geometry representation scheme works by defining a ... 
Substrate Resistance Extraction Using a MultiDomain Surface Integral Formulation
(200401)In order to assess and optimize layout strategies for minimizing substrate noise, it is necessary to have fast and accurate techniques for computing contact coupling resistances associated with the substrate. In this talk, ... 
Summary Conclusions on Computational Experience and the Explanatory Value of Condition Measures for Linear Optimization*
(200301)The modern theory of condition measures for convex optimization problems was initially developed for convex problems in conic format, and several aspects of the theory have now been extended to handle nonconic formats as ... 
Summary Conclusions: Computation of Minimum Volume Covering Ellipsoids*
(200401)We present a practical algorithm for computing the minimum volume ndimensional ellipsoid that must contain m given points a₁,..., am âˆˆ Rn. This convex constrained problem arises in a variety of applied computational ... 
A Trajectory PiecewiseLinear Approach to Model Order Reduction and Fast Simulation of Nonlinear Circuits and Micromachined Devices
(200201)In this paper we present an approach to the nonlinear model reduction based on representing the nonlinear system with a piecewiselinear system and then reducing each of the pieces with a Krylov projection. However, rather ... 
Unsteady Flow Sensing and Estimation via the Gappy Proper Orthogonal Decomposition
(200401)The proper orthogonal decomposition (POD) has been widely used in fluid dynamic applications for extracting dominant flow features. The “gappy” POD is an extension to this method that allows the consideration of incomplete ... 
Viscoelastic Mobility Problem Using A Boundary Element Method
(200201)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 nonlinearity is handled ...