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DISSIPATION OF WAVE ENERGY AND MITIGATION OF WAVE FORCE BY MULTIPLE FLEXIBLE POROUS PLATES

Published online by Cambridge University Press:  26 December 2024

ANJAN SASMAL Open the ORCID record for ANJAN SASMAL [Opens in a new window]  and
SOUMEN DE Open the ORCID record for SOUMEN DE [Opens in a new window]
ANJAN SASMAL
Affiliation:
Department of Applied Mathematics, University of Calcutta, 92, A.P.C. Road, Kolkata 700 009, India; e-mail: anjaniitg@gmail.com, soumenisi@gmail.com
SOUMEN DE*
Affiliation:
Department of Applied Mathematics, University of Calcutta, 92, A.P.C. Road, Kolkata 700 009, India; e-mail: anjaniitg@gmail.com, soumenisi@gmail.com
*
e-mail: soumenisi@gmail.com
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Abstract

The hydroelastic interaction between water waves and multiple submerged porous elastic plates of arbitrary lengths in deep water is examined using the Galerkin approximation technique. We observe the influence of flexible porous plates of arbitrary lengths by analysing the reflection coefficient, dissipated energy and wave forces acting on the plates. Results are presented for various values of angle of incidence, separation lengths of plates, porosity levels, submergence depth and flexural rigidity. The convergence and accuracy of the method are verified by comparing the results with existing literature. The significant impact of flexural rigidity in the presence of porosity on wave reflection, dissipated energy and wave forces is demonstrated. Moreover, a notable reduction in wave load is observed with an increase in the number of plates.

Keywords

water wave interactionreflection and transmission coefficientsflexible porous plateswave forceenergy dissipationGalerkin approximation

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Type
Research Article
Information
The ANZIAM Journal , Volume 66 , Issue 4 , October 2024 , pp. 258 - 284
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Copyright
© The Author(s), 2024. Published by Cambridge University Press on behalf of Australian Mathematical Publishing Association Inc.

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