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diffraction force中文是什么意思

  • 绕射力

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  • The calculated drafts covers the whole possible ship draft in the large amplitude motion ; secondly , the research creates and solves the ship large amplitude motion equations . on the one hand , the actual calculation takes into account the coupling between the different motion modes , on the other hand , in the process of calculation of the ship hydrodynamic coefficient , it considers the influence of the nonlinear factor . the hydrodynamic coefficient used in the calculation of froude - krylov force , diffraction force and radiation force changes instantaneously following the draft , and the hydrostatic buoyancy is computed very accurately for the instantaneous immerse hull
    本文的研究分为二个部分:首先利用frank源汇法计算水动力系数,计算包括不同吃水时的附加质量和阻尼系数,吃水范围涵盖了船舶大幅度运动时所有可能的吃水;然后建立和求解船舶大幅度运动方程,在实际计算时一方面考虑了运动模态之间的耦合,另一方面在计算水动力时,考虑了非线性因素的影响。 froude - krylov力、辐射力、绕射力中的水动力系数随吃水瞬时变化,静浮力的计算精确到船体瞬时湿表面积,最后用四阶龙格?库塔方法在时域内求解船舶运动方程,并进行了载荷计算。
  • On the basis of this analysis the radiation and diffraction forces of the ship are calculated using these three methods and compared . at the same time vertical ship motions in regular wave are solved by these three methods . the results are compared to test each method ' s availability and suitability , thus the theoretical basis of optimize design of sea - keeping performance is provided
    分别介绍了二维切片法、高速细长体理论和三维理论的基本原理,分析了三种不同方法各自的适用性,在此基础上分别计算了船舶的辐射力和绕射力,比较了这三种方法的计算结果,为不同营运目的的船舶耐波性计算提供陕速有效而实用的计算方法;同时应用三种方法计算了船舶在规则波中的垂向稳态运动响应,比较三种方法的计算结果,测试各种方法的有效性和适用性,为船舶耐波性的优化设计提供原始的理论基础; 2
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Last modified time:Sun, 10 Aug 2025 00:29:56 GMT

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