Aerodynamic characteristics and wind pressure distribution of vehicle-bridge coupled system is stud-ied based on numerical simulation by computational fluid dynamic method.
基于计算流体动力学，采用数值模拟的方法研究了车桥耦合体系气动力特性和风压分布。
Finite element method is used to carry on numerical simulation of fluid-structure interaction for the system of TLD, and a verification of the reliability of fluid-structure coupled mode is made.
尝试用有限元分析的方法模拟TLD中流体与结构的耦合作用，并验证了由此方法建立起来的流固耦合模型的可靠性；
To reduce sampling number and assure simulation precision, Importance Sampling method and Latin Hypercube Sampling method are coupled with Neumann expansion SFEM respectively.
为了减少随机抽样的次数并保证蒙特卡罗法的数值模拟精度，对比引入了重要抽样法和拉丁超立方体抽样方法；
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