Computational Methods for Electromagnetic Scattering and Structural Phase Transitions

Abstract

Computational algorithms for electromagnetic scattering and structured phase transitions are investigated. For scattering, three contributions are presented: (1) Analysis of spurious offset fields, (2) the use of divergence boundary conditions, (3) analysis of covolume (unstructured FDTD) algorithms with estimates of convergence rates. For structural phase transitions adaptive mesh techniques are combined with finite dimensional optimization algorithms to compute new global minimizers for martensitic phase transformations.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Aug 31, 1997
Accession Number
ADA334839

Entities

People

  • Roy A. Nicolaides

Organizations

  • Carnegie Mellon University

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Algorithms
  • Boundaries
  • Boundary Layer
  • Computational Fluid Dynamics
  • Computational Science
  • Computations
  • Convergence
  • Differential Equations
  • Electromagnetic Scattering
  • Equations
  • Fluid Mechanics
  • Mathematical Analysis
  • Numerical Analysis
  • Partial Differential Equations
  • Phase Transformations
  • Scattering
  • Transitions

Fields of Study

  • Physics

Readers

  • Adaptive Control and Estimation with Uncertainty in Dynamic Systems.
  • Computational Fluid Dynamics (CFD)
  • Electromagnetic Wave Scattering and Antenna Radiation Engineering