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Application of Massively Parallel
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Acknowledgements
Contents
Acknowledgements
Contents
List of Tables
List of Figures
Introduction
Integral Equation Methods
Parallel Implementation of EM Scattering
EM Scattering from Conducting Bodies
Parametric Modeling and Basis Functions for a Parametric Surface
Parametric Patch Model
Basis Functions
Electric Field Integral Equation Formulation
Derivation of the Electric Field Operator Equation
Numerical Formulation for Surface Current
Magnetic Field Integral Equation Formulation
Combined Field Integral Equation
EM Scattering from a Coated Conducting Body
Impedance Boundary Conditions for Scattering from a Conducting Body with a Thin Lossy Dielectric Coating
Numerical Solution of EFIE
Parallel Implementation
Introduction
Distributed Memory System
Parallelism and Performance Issues
Structure of the Code
Setup:
Precomputation:
Fill Moment Matrix:
RHS Vector Fill:
Factorization and Solve:
Far-Field and RCS Computation:
The Parallel Programming Model and Approaches
Implementation
Parallel Setup
Precomputation
Moment Matrix Fill
Fill the Right-Hand Side Vectors
LU Factor and Solve
RCS Computation
Out-of-Core Algorithm
Performance and Numerical Results
Performance and Scalability Analysis
Performance Measurement for a Fixed Machine Size
Performance Measurement for a Fixed Problem Size
Scalability Analysis
Numerical Results
Discussion of Two Parallel Moment Method Codes
Conclusion
A Normalized Local Area Coordinate System
Definition of Scattering Angles
Overview of Three MPP Architectures
The CM-5 System Overview
The CM-5 at NAS
The CM-5 Hardware
The CM-5 Internal Communication Networks
The Intel Paragon System at NAS
Hardware:
Software
The IBM SP-1 System at ANL
References
Biographical Data
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