Torsional Analysis of Ship Hull Model
Mușat, Sorin Dumitru
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In this paper a new methodology (numerical and experimental) proposed to analyze the ship hull torsion is treated. The torsion analysis is performed on a scale model (1:50) of a container ship, made of composite material. The outline of the section is considered as a polygonal one. The material is orthotropic. For a straight line portion of cross section outline is corresponding a longitudinal strip plate. Due to the torsion of the thin walled beam, in the strip plate, the stretching-compression, bending and shearing occur. The strip plate is treated as an Euler-Bernoulli plate. The stiffness matrix of the macro-element is obtained by assembling the stiffness matrices of the strips. The results obtained from numerical and from experimental analysis are presented.
- 2009 fascicula8 nr2