2) collision acceleration
碰撞加速度
3) impact simulator
碰撞加速度计
4) t acceleration process
碰撞加速过程
5) high velocity impact
高速碰撞
1.
The numerical simulation of the penetration and debris clouds is performed that columnar bar of high velocity impacts on thin steel plates with this method,and the problem is solved that how to found the SPH element model of the columnar bar,and the mechanism of forming process is analysed.
探讨了SPH算法的基本原理及该方法的优缺点;采用该算法对柱形杆高速冲击钢制薄靶板的击穿、粒子飞溅及碎片云的形成过程进行了数值模拟;解决了四棱柱形钢杆SPH粒子单元模型的建立问题,分析了作用过程的物理机理;表明SPH算法可以用于解决高速冲击动力学问题,模拟和预测材料在高速碰撞下的瞬态响应。
2.
The numerical simulation of the penetration,particle splashing and debris clouds were performed that columnar bar with high velocity impacted on thin steel plates with this method,and the problem were solved to found the SPH element model of the columnar bar,and the mechanism of forming process was analysed.
探讨了SPH数值仿真算法的基本原理及该算法的优缺点;采用该算法对柱形杆高速碰撞钢制薄靶板过程中的击穿、粒子飞溅及碎片云的形成进行了数值仿真;解决了四棱柱形钢杆SPH粒子单元模型的建立问题,分析了作用过程的物理机理;表明SPH算法适用于解决高速冲击动力学问题,模拟和预测材料在高速碰撞下的瞬态响应。
3.
Based on finite element discreteness method of continuous mechanics conservation equations, this paper establishes three dimensional finite element formulations and discretized equations in high velocity impact phenomena.
根据连续介质力学守恒方程和有限元离散方法，针对三维高速碰撞现象的特性，应用瞬时最小位能原理，完整地推导了高速碰撞有限元基本列式和离散方程，并给出了高速碰撞问题的中心差分求解算法，讨论了非线性Ｌａｇｒａｎｇｅ动力有限元程序数值计算中应重视的问题。
6) Hypervelocity impact
高速碰撞
1.
A new adaptive SPH method for hypervelocity impact simulation
高速碰撞数值计算中的SPH自适应粒子分布法
2.
Numerical examples for hypervelocity impact by the coupled method show that the coupled method is a more efficient method to simulation of large deformation problem.
高速碰撞的系列算例说明,耦合算法不但适宜于计算大变形冲击动力学问题,而且由于集两种方法的优点于一身,可以更高效地模拟一些高速碰撞问题,提高计算效率。
3.
Several problems which should be taken into account in numerical study of hypervelocity impact are stressed and the effective measures to solve them are also described in the paper.
讨论了连续介质力学守恒方程的有限元离散方法,针对高速碰撞的物理特点,提出了数值计算中所应重视的问题及其有效的解决办法。
补充资料：法向加速度
（见加速度）。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条