Under cross wind action, vehicle-bridge coupling vibration analysis requires consideration of aerodynamic force parameters of vehicle and bridge deck.

侧向风作用下的车桥耦合振动分析需要考虑相互气动影响的车辆和桥梁各自的气动参数。

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Using numerical computation of fluid flow, the coefficients of vertical force, lateral force and rolling moment caused by cross-wind were calculated, which were related to train speed and wind speed.

采用流场数值模拟计算方法，计算了横风作用时的垂向气动升力系数、气动横向力系数和侧滚力矩系数，得出各系数与车辆速度和风速之间的变化关系。

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