Open Access Repository

Global load determination of high‑speed wave‑piercing catamarans using finite element method and linear least squares applied to sea trial strain measurements

Almallah, I ORCID: 0000-0003-2398-8691, Lavroff, J ORCID: 0000-0001-5262-8666, Holloway, DS ORCID: 0000-0001-9537-2744, Shabani, B and Davis, MR 2019 , 'Global load determination of high‑speed wave‑piercing catamarans using finite element method and linear least squares applied to sea trial strain measurements' , Journal of Marine Science and Technology , pp. 1-13 , doi: 10.1007/s00773-019-00688-3.

Full text not available from this repository.

Abstract

Twin hull high-speed catamarans encounter a wide range of sea wave loads. This paper studies the full-scale prediction ofglobal loads on a high-speed catamaran using linear regression analysis based on finite element results. Load cases basedon Det Norske Veritas rules are applied to a finite element model to derive load–strain transformation. Strain responses areevaluated at 16 different locations on the catamaran finite element model corresponding to the strain gauges positioned onthe HSV-2 Swift 98m Incat catamaran during sea trials. A transformation matrix is generated using the concept of ordinaryleast squares, to convert from strain responses to the equivalent DNV global load cases. This is applied to determine globalloads during several sea trial runs in different heading angles and speeds of 10, 20 and 35 knots. These loads then are comparedto show each global load severity at specific speed or heading angle.

Item Type: Article
Authors/Creators:Almallah, I and Lavroff, J and Holloway, DS and Shabani, B and Davis, MR
Keywords: global loads, catamaran, finite element analysis, least squares
Journal or Publication Title: Journal of Marine Science and Technology
Publisher: Springer-Verlag Tokyo
ISSN: 0948-4280
DOI / ID Number: 10.1007/s00773-019-00688-3
Copyright Information:

© The Japan Society of Naval Architects and Ocean Engineers (JASNAOE) 2019

Related URLs:
Item Statistics: View statistics for this item

Actions (login required)

Item Control Page Item Control Page
TOP