跳雪运动员滑翔阶段的数值模拟

Digital Simulation of the Flying in Ski Jumping

通过建立和数值计算跳雪运动员滑翔阶段的运动微分方程 ,模拟了跳雪运动员的滑翔阶段。以我国优秀运动员刘树明和亚布力滑雪场的 K90 m级跳台为模拟条件进行的模拟实验结果表明 ,该方法不仅具有方便快捷的特点 ,而且还能较为详尽的了解速度、受力、迎角等的变化情况 ,这对确定运动员的最佳起跳参数是很有益处的。另外 ,从模拟实验的结果可观察到运动员感受到的“第 2次”飞翔的存在和其产生的原因。

The flying in ski jumping was simulated through developing a digital differential equation. Liu Ya ming, a top-level Chinese skier, served as subject and a K90m level diving platform at the Yabuli ski field was taken as simulating condition. The result showed that the simulation method was not only ease and quick to use, but could also provide in detail the velocity, force, facing angle, etc., which were benefit to the determination of the optimal jumping parameters. Furthermore, the existence and the reasons of the “second” flying the jumper felt could also be observed from the simulating results.