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wave induced vibration
相关语句
  波浪载荷
     Wave induced Vibration Response of Ship Hull with Thin walled Beam
     计及流固耦合的船体薄壁梁波浪载荷响应研究
短句来源
     Taking account of the coupling of the fluid and solid, the paper provides a theoretical method of wave loads, mode analysis and wave induced vibration response of ship hull with thin walled beam. Using the method, we made a calculation on a steel ship model chosen for the numerical example. The calculation result of the mode analysis is compared with the result using the finite element method.
     计及流固耦合影响,本文提出了包括波浪载荷、模态分析和船体薄壁梁结构的波浪载荷响应的理论计算方法.用本文方法和相应计算程序计算了一条6m 长钢质船模的固有频率、振型及弯扭耦合波激振动响应.模态分析结果同常规有限元计算作了比较.计算中还讨论了一些波浪参数的变化对波激振动响应的影响.
短句来源
  相似匹配句对
     Induced into E.
     将表达载体转化E.
短句来源
     HARBOUR WAVE RESPONSE INDUCED BY TSUNAMI
     港湾对地震津波的响应
短句来源
     ADRIAMYCIN INDUCED T WAVE CHANGES IN ECG
     阿霉素所致心电图变化——有关T波改变的探讨
短句来源
     induced by ψ and (?)
     诱导的加权复合算子Wψ,(?)
短句来源
     dinger wave).
     dinger 孤立波)的形成。
短句来源
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Taking account of the coupling of the fluid and solid, the paper provides a theoretical method of wave loads, mode analysis and wave induced vibration response of ship hull with thin walled beam. Using the method, we made a calculation on a steel ship model chosen for the numerical example. The calculation result of the mode analysis is compared with the result using the finite element method. Some influence on dynamic responses has been discussed in the example.

计及流固耦合影响,本文提出了包括波浪载荷、模态分析和船体薄壁梁结构的波浪载荷响应的理论计算方法.用本文方法和相应计算程序计算了一条6m 长钢质船模的固有频率、振型及弯扭耦合波激振动响应.模态分析结果同常规有限元计算作了比较.计算中还讨论了一些波浪参数的变化对波激振动响应的影响.

The test of four 1/20 scale models of offshore jacket platform with vertical non-grouted piles are carried out to investigate the performance of wave-induced vibration and the measure of mitigation. The conclusion is that the abnormal vibration is due to the relative oscillation between the piles and legs as well as the impacts between the pile and the leg in the case of seabed scouring. Therefore, the suggestion is put forward.

通过 4个 1/ 2 0的导管架平台模型试验 ,研究了直立式桩腿导管架平台在海底淘空条件下的超常振动原因及其减振方案 ,提出了结构频率降低以及导管架与桩之间的碰撞是造成该平台剧烈振动的根本原因及其相应的治理措施。

A nonlinear dynamic equation which takes into consideration fluid-structure interaction for offshore platforms was put forward by using of nonlinear Morison equation. As an example, the time history response of a jacket offshore platform was analyzed. The wave-induced vibration response of the offshore platform, with and without fluid-structure interaction, was computed and compared. The results show that in extreme waves the dynamic response of the offshore platform without considering...

A nonlinear dynamic equation which takes into consideration fluid-structure interaction for offshore platforms was put forward by using of nonlinear Morison equation. As an example, the time history response of a jacket offshore platform was analyzed. The wave-induced vibration response of the offshore platform, with and without fluid-structure interaction, was computed and compared. The results show that in extreme waves the dynamic response of the offshore platform without considering fluid-structure interaction is obviously less than that of the offshore platform considering fluid-structure interaction. The analysis shows that this analytical method considering fluid-structure interaction is more reasonable in extreme waves.

采用非线性的Morison方程,建立了考虑流固耦合时的海洋平台非线性动力方程及其时程分析方法。以一固定式导管架平台为算例,计算了考虑流固耦合时的海洋平台浪致振动响应,比较了考虑流固耦合和不考虑流固耦合时海洋平台动力响应的差异。算例表明:在较大的波浪条件下,不考虑流固耦合时的计算结果明显小于考虑流固耦合时的计算结果,因此,偏于不安全。分析认为,在极端海况条件下,考虑流固耦合的分析方法更符合实际情况。

 
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