Analysis of the SEA-OWC-Clam wave energy device part B: structural integrity analysis

Andrea Bucchi; Grant E. Hearn

doi:10.1016/j.renene.2016.06.059

Analysis of the SEA-OWC-Clam wave energy device part B: structural integrity analysis

Andrea Bucchi, Grant E. Hearn

University of Portsmouth Ageing Network

University of Southampton

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Abstract

In this paper the dynamic loads determined for the SEA-OWC-Clam wave energy device, treated as a floating offshore structure with six degrees-of-freedom with partial internal sealed-off channels, are applied to assess its structural integrity. This task necessitates the matching of the boundary element determined dynamic pressures to the corresponding Finite Element Analysis (FEA) to determine the effective von Mises stress levels. A decomposition of the total load to permit attribution to different aspects of radiation and diffraction loading is presented. Possible modification of structural details is identified by undertaking a more local stiffened plate analysis to improve structural details.

Original language	English
Pages (from-to)	253-269
Number of pages	17
Journal	Renewable Energy
Volume	99
Early online date	9 Jul 2016
DOIs	https://doi.org/10.1016/j.renene.2016.06.059
Publication status	Published - 1 Dec 2016

Keywords

Wave-energy
Oscillating water column (OWC)
Fluid structure interaction
Linear FEA
Stress reduction
Corrugated plate

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10.1016/j.renene.2016.06.059

FINI Analysis SEA-OWC-Clam - PART B Structural Integrity AnalysisAccepted author manuscript (Post-print), 3.73 MBLicence: CC BY-NC-ND

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title = "Analysis of the SEA-OWC-Clam wave energy device part B: structural integrity analysis",

abstract = "In this paper the dynamic loads determined for the SEA-OWC-Clam wave energy device, treated as a floating offshore structure with six degrees-of-freedom with partial internal sealed-off channels, are applied to assess its structural integrity. This task necessitates the matching of the boundary element determined dynamic pressures to the corresponding Finite Element Analysis (FEA) to determine the effective von Mises stress levels. A decomposition of the total load to permit attribution to different aspects of radiation and diffraction loading is presented. Possible modification of structural details is identified by undertaking a more local stiffened plate analysis to improve structural details. ",

keywords = "Wave-energy, Oscillating water column (OWC), Fluid structure interaction, Linear FEA, Stress reduction, Corrugated plate",

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year = "2016",

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doi = "10.1016/j.renene.2016.06.059",

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T1 - Analysis of the SEA-OWC-Clam wave energy device part B

T2 - structural integrity analysis

AU - Bucchi, Andrea

AU - Hearn, Grant E.

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Y1 - 2016/12/1

N2 - In this paper the dynamic loads determined for the SEA-OWC-Clam wave energy device, treated as a floating offshore structure with six degrees-of-freedom with partial internal sealed-off channels, are applied to assess its structural integrity. This task necessitates the matching of the boundary element determined dynamic pressures to the corresponding Finite Element Analysis (FEA) to determine the effective von Mises stress levels. A decomposition of the total load to permit attribution to different aspects of radiation and diffraction loading is presented. Possible modification of structural details is identified by undertaking a more local stiffened plate analysis to improve structural details.

AB - In this paper the dynamic loads determined for the SEA-OWC-Clam wave energy device, treated as a floating offshore structure with six degrees-of-freedom with partial internal sealed-off channels, are applied to assess its structural integrity. This task necessitates the matching of the boundary element determined dynamic pressures to the corresponding Finite Element Analysis (FEA) to determine the effective von Mises stress levels. A decomposition of the total load to permit attribution to different aspects of radiation and diffraction loading is presented. Possible modification of structural details is identified by undertaking a more local stiffened plate analysis to improve structural details.

KW - Wave-energy

KW - Oscillating water column (OWC)

KW - Fluid structure interaction

KW - Linear FEA

KW - Stress reduction

KW - Corrugated plate

U2 - 10.1016/j.renene.2016.06.059

DO - 10.1016/j.renene.2016.06.059

M3 - Article

SN - 0960-1481

VL - 99

SP - 253

EP - 269

JO - Renewable Energy

JF - Renewable Energy

ER -

Analysis of the SEA-OWC-Clam wave energy device part B: structural integrity analysis

Abstract

Keywords

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