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Identification of an unknown spatial load distribution in a vibrating beam or plate from the final state

  • Karel Van Bockstal ORCID logo EMAIL logo
Published/Copyright: January 30, 2019

Abstract

The theoretical and numerical determination of a space-dependent load distribution in a simply supported non-homogeneous Euler–Bernoulli beam and Kirchhoff–Love plate is investigated. The uniqueness of a solution to this inverse source problem is proved, whilst counterexamples are constructed to discuss the conditions under which uniqueness holds. A convergent and stable iterative algorithm is proposed for the recovery of the unknown load source and a stopping criterion is also given. Several one-dimensional numerical experiments are considered to investigate the properties of the proposed iterative procedure.

Award Identifier / Grant number: 106016/12P2919N

Funding statement: The author is a postdoctoral fellow fundamental research of the Research Foundation – Flanders (106016/12P2919N).

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Received: 2018-08-03
Revised: 2018-11-11
Accepted: 2018-11-27
Published Online: 2019-01-30
Published in Print: 2019-10-01

© 2019 Walter de Gruyter GmbH, Berlin/Boston

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