标枪飞行特性计算机仿真的初步研究

使用有限元方法对标枪的飞行特性进行了计算机仿真研究，用常规方法测量了皇冠牌标枪的几何尺寸，使用Femb前处理软件建立了标枪的有限元模型，并设置了标枪模型的材料和单元属性，然后施加载荷和初始务件，在此基础上用LS-DYNA求解器对给定出手参数且无空气阻力的标枪进行飞行特性的计算机仿真。通过仿真，证明使用这种方法来研究标枪的飞行特性不仅是可行的，而且参数调节的可控制性比较强。

Preliminary Study on the Flying Characteristics of Javelin by Computer Simulation

Study on the flying characteristics of javelin was carried out using finite element method (FEM). The dimension of Crown javelin was measured by conventional method. The finite element model was built by Femb preprocessing software, material and element properties were set, load and initial conditions were applied, and computer simulation on the javelin flying was performed with LS-DYNA solver under the condition of no wind and given releasing parameters. The result showed that the method (FEM) is feasible and controllable in parameter adjusting.