Browsing High Performance Computation for Engineered Systems (HPCES) by Title
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Bounds on Linear PDEs via Semidefinite Optimization
(200201)Using recent progress on moment problems, and their connections with semidefinite optimization, we present in this paper a new methodology based on semidefinite optimization, to obtain a hierarchy of upper and lower bounds ... 
Bubble Simulation Using Level SetBoundary Element Method
(200301)In bubble dynamics, an underwater bubble may evolve from being singlyconnected to being toroidal. Furthermore, two or more individual bubbles may merge to form a single large bubble. These dynamics involve significant ... 
Certified Rapid Solution of Parametrized Linear Elliptic Equations: Application to Parameter Estimation
(200501)We present a technique for the rapid and reliable evaluation of linearfunctional output of elliptic partial differential equations with affine parameter dependence. The essential components are (i) rapidly uniformly ... 
Characterizing Scattering by 3D Arbitrarily Shaped Homogeneous Dielectric Objects Using Fast Multipole Method
(200301)Electromagnetic scattering by 3D arbitrarily shaped homogeneous dielectric objects is characterized. In the analysis, the method of moments is first employed to solve the combined field integral equation for scattering ... 
A Comparative Study on Optimization of Constrained Layer Damping for Vibration Control of Beams
(200301)This paper presents a comparison of optimization algorithms for constrained damping (CLD) patches’ layout to minimize the maximum vibration response of the odd modes, which constitutes the dominant acoustic radiation, of ... 
Competitive Multiperiod Pricing with Fixed Inventories
(200401)This paper studies the problem of multiperiod pricing for perishable products in a competitive (oligopolistic) market. We study non cooperative Nash equilibrium policies for sellers. At the beginning of the time horizon, ... 
Computing Bounds for Linear Functionals of Exact Weak Solutions to Poisson’s Equation
(200301)We present a method for Poisson’s equation that computes guaranteed upper and lower bounds for the values of linear functional outputs of the exact weak solution of the infinite dimensional continuum problem using traditional ... 
Computing Upper and Lower Bounds for the JIntegral in TwoDimensional Linear Elasticity
(200401)We present an aposteriori method for computing rigorous upper and lower bounds of the Jintegral in two dimensional linear elasticity. The Jintegral, which is typically expressed as a contour integral, is recast as a ... 
A Conservative Front Tracking Algorithm
(200501)The discontinuities in the solutions of systems of conservation laws are widely considered as one of the difficulties in numerical simulation. A numerical method is proposed for solving these partial differential equations ... 
A Constraint Handling Strategy for BitArray Representation GA in Structural Topology Optimization
(200401)In this study, an improved bitarray representation method for structural topology optimization using the Genetic Algorithm (GA) is proposed. The issue of representation degeneracy is fully addressed and the importance of ... 
Data Smoothing: Research 2002
(200301)My research is concentrated on applications of linear algebra in engineering, including wavelet analysis and structured matrices. This paper will appear in the book Mathematical Systems Theory (J. Rosenthal and D. Gilliam, ... 
Design and Analysis of Printed Circuit Boards Using FDTD Method for The 20H Rule
(200201)With the increasing demand of higher operating frequencies for electronic circuits, the printed circuit board designers face more electromagnetic radiation problems than ever. Some “rulesofthumb” are employed to help the ... 
Design and Optimization of Complex Systems
(200201)Truely optimal solutions to system design can only be obtained if the entire system is considered. In this research we consider design of commercial aircraft, but we expand the system to include a family of planes. A ... 
Dynamic AGVContainer Job Deployment Strategy
(200201)Automated Guided Vehicles (AGVs) are now becoming popular in containerhandling applications at seaport. Efficacy of the dispatching strategy adopted to deploy AGVs is a prime factor affecting the performance of the entire ... 
Dynamic Pricing in a Competitive Environment
(200201)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 ... 
Effect of Column Inlet and Outlet Geometry on Largescale HPLC
(200301)The separating characteristics of high performance liquid chromatography (HPLC) columns, measured in terms of the height equivalent of a theoretical plate (HETP) and skewness of the eluted peak, are investigated using ... 
The Efficient Computation of Bounds for Functionals of Finite Element Solutions in Large Strain Elasticity
(200201)We present an implicit aposteriori 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 ... 
Electromagnetic Scattering by OpenEnded Cavities: An Analysis Using PrecorrectedFFT Approach
(200201)In this paper, the precorrectedFFT method is used to solve the electromagnetic scattering from twodimensional cavities of arbitrary shape. The integral equation is discretized by the method of moments and the resultant ... 
Fast Analysis of Scattering by Arbitrarily Shaped ThreeDimensional Objects Using the PrecorrectedFFT Method
(200201)This paper presents an accurate and efficient methodofmoments solution of the electricalfield integral equation (EFIE) for large, threedimensional, arbitrarily shaped objects. In this method, the generalized conjugate ... 
Fast Methods for Bimolecular Charge Optimization
(200301)We report a Hessianimplicit optimization method to quickly solve the charge optimization problem over protein molecules: given a ligand and its complex with a receptor, determine the ligand charge distribution that minimizes ...