3-D finite element analysis of catenary mooring - part I: finite element formulation

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TypeTechnical Report
Series titleLaboratory Memorandum
Subjectfinite element methods; analysis for moorings and cable
AbstractBy using simple truss elements to discretize the mooring line, the 3-D finite element formulation for the nonlinear elastic analysis of catenary mooring is presented. In this, the direct stiffness approach is taken with the nodal displacements being the unknowns. The problem is treated as being geometrically nonlinear, but low in strain. The material property can be hyperelastic. External loads can be arbitrary. Preliminary verification of the formulation and the computer program written was done by using a simple catenary example. The numerical results were shown to agree well with the analytical solution.
Publication date
PublisherNational Research Council Canada. Institute for Marine Dynamics
PlaceSt. John's, NL
AffiliationNRC Institute for Ocean Technology; National Research Council Canada; Energy, Mining and Environment; NRC Institute for Chemical Process and Environmental Technology
Peer reviewedNo
NRC number5854
NPARC number8896065
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Record identifier65f6a51d-5987-4920-a6b7-ecdf27a4fc67
Record created2009-04-22
Record modified2016-10-03
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