Automatic Generation of Wave Digital Structures for Numerically Integrating Linear Symmetric Hyperbolic PDEs

  • Authors:
  • Michael Vollmer

  • Affiliations:
  • Chair of communications engineering, Ruhr-University Bochum, Bochum, Germany 44780

  • Venue:
  • Multidimensional Systems and Signal Processing
  • Year:
  • 2005

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Abstract

The numerical integration of partial differential equations (PDEs) resulting from passive physical problems can be performed by simulation of the actual system with multidimensional (MD) passive wave digital filters. Due to the principle of action at proximity, physical systems are usually massively parallel and only locally connected. Beyond these properties, the wave digital filters are well-known for their excellent numerical stability behavior and their high robustness. The new result of this paper is a synthesis procedure for automatic generation of the algorithms, based on MD wave digital filters for the numerical integration of PDEs describing linear hyperbolic passive systems. The proposed procedure permits a fully automated software development, based on the given partial differential equation.