虚拟现实与数值模拟技术在爆炸实验教学的应用

Application of virtual reality and numerical simulation technology in explosion experimental teaching

为解决爆炸性实验教学受成本、危险性和实验室资源限制的难题,以摩擦感度实验应用为例,利用3D Studio Max对摩擦感度实验仪器和装置进行虚拟现实设计,给出了摩擦感度实验虚拟仿真模型和动画片段。采用ANSYS/LS-DYNA对摩擦实验的爆炸响应实验现象进行数值模拟计算,得到了炸药试样受摩擦力作用发生爆炸响应的温度变化曲线。实践教学结果表明,虚拟现实和数值模拟技术的结合应用既为爆炸性实验教学提供了生动形象的实验装置和场景,也为实验现象提供了科学数据和理论依据,节约了实验成本,降低了实验危险性。

In order to solve the problem of shortage of cost,risk and laboratory resources,virtual reality design has been applied in the friction sensitivity experimental apparatus and device by 3D Studio Max. The virtual simulation model and animation segment of friction sensitivity experiment were provided. The experimental phenomenon of explosion response in the friction sensitivity experiment was simulated by ANSYS/LS-DYNA,and the temperature change curves of explosion response of explosive sample shocked by frictional force. The practical teaching results show that the combined application of virtual reality and numerical simulation technology not only supply vivid experimental apparatus and scene,but also provided science data and theoretical basis. In addition,the experimental cost is saved and the experimental risk is reduced.