Abstract

Semidiscrete finite element approximation of the linear stochastic wave equation (LSWE) with additive noise is studied in a semigroup framework. Optimal error estimates for the deterministic problem are obtained under minimal regularity assumptions. These are used to prove strong convergence estimates for the stochastic problem. The theory presented here applies to multidimensional domains and spatially correlated noise. Numerical examples illustrate the theory.

MSC codes

  1. 65M60
  2. 60H15
  3. 60H35
  4. 65C30

Keywords

  1. finite element method
  2. stochastic wave equation
  3. additive noise
  4. Wiener process
  5. stability
  6. a priori error estimate
  7. strong convergence

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Published In

cover image SIAM Journal on Numerical Analysis
SIAM Journal on Numerical Analysis
Pages: 408 - 427
ISSN (online): 1095-7170

History

Submitted: 28 September 2009
Accepted: 8 February 2010
Published online: 23 April 2010

MSC codes

  1. 65M60
  2. 60H15
  3. 60H35
  4. 65C30

Keywords

  1. finite element method
  2. stochastic wave equation
  3. additive noise
  4. Wiener process
  5. stability
  6. a priori error estimate
  7. strong convergence

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