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GLOBAL HYDROELASTIC RESPONSE OF A CATAMARAN DUE TO WETDECK SLAMMING ACCOUNTING FOR FORWARD SPEED

机译:WETDECK Slamming计入向前速度导致的双体船的全球水弹响应

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摘要

Global response of a flexible catamaran due to wetdeck slamming in head sea regular waves is studied. A 6DOF structural model is used to model the test catamaran. The catamaran has a wetdeck with horizontal transverse cross-sectional shape. The flow due to the water impact is assumed 2D in the longitudinal cross-sectional plane. Both a direct method and a modal based method are applied to predict the global response. Vertical shear forces and bending moments are compared with experimental data and show reasonable agreement. Theoretical and experimental error sources are presented and the influence on global response is discussed.
机译:研究了在双海规则海浪中由于湿甲板撞击造成的柔性双体船的整体响应。 6DOF结构模型用于对双体船进行建模。双体船有一个湿式甲板,其水平横截面形状为水平。假定由于水冲击而产生的流量在纵向截面中为2D。直接方法和基于模式的方法都可用于预测全局响应。将垂直剪切力和弯矩与实验数据进行比较,并显示出合理的一致性。给出了理论和实验误差源,并讨论了其对整体响应的影响。

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