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Modal analysis of a fast patrol boat made of composite material |
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| Authors: | FM Santos C Guedes Soares |
| Institution: | a Centre for Marine Technology and Engineering (CENTEC), Technical University of Lisbon, Instituto Superior Tecnico, Av. Rovisco Pais, 1049-001 Lisboa, Portugal b School of Engineering Sciences, University of Southampton, Highfield, SO17 1BJ, Southampton, UK |
| Abstract: | The structural dynamic behaviour of a fast patrol boat is studied with two- and three-dimensional idealizations for dry-hull analysis. A preliminary two-dimensional beam analysis is conducted by means of the Prohl-Myklestad method to derive a first estimate of the first four symmetric mode shapes. A more complex three-dimensional finite element model is developed in order to evaluate the modal characteristics for both symmetric and coupled anti-symmetric distortions, with the emphasis placed on the former. |
| Keywords: | Finite element analysis Modal analysis Composite materials Ship vibrations |
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