Time-Dependent, Linear DAE's with Discontinuous Inputs

Abstract

Existence and uniqueness results are proved for initial value problems associated with linear, time-varying, differential-algebraic equations. The right-hand sides are chosen in a space of distributions allowing for solutions exhibiting discontinuities as well as impulses . This approach also provides a satisfactory answer to the problem of inconsistent initial conditions of crucial importance for the physical applications. Furthermore, our theoretical results yield an efficient numerical procedure for the calculation of the jump and impulse of a solution at a point of discontinuity. Numerical examples are given.

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Document Details

Document Type
Technical Report
Publication Date
Mar 24, 1994
Accession Number
ADA277839

Entities

People

  • Patrick J. Rabier
  • Werner Rheinboldt

Organizations

  • University of Pittsburgh

Tags

Communities of Interest

  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Abstracts
  • Boundary Value Problems
  • Coefficients
  • Computations
  • Consistency
  • Continuity
  • Difference Equations
  • Differential Equations
  • Discontinuities
  • Electrical Networks
  • Equations
  • Intervals
  • Linear Differential Equations
  • Mathematics
  • Notation
  • Sequences
  • Statistics

Fields of Study

  • Mathematics

Readers

  • Computational Modeling and Simulation
  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)

Technology Areas

  • Space