基于李群局部标架的多柔体系统动力学建模与计算 1)
DYNAMIC MODELING AND COMPUTATION FOR FLEXIBLE MULTIBODY SYSTEMS BASED ON THE LOCAL FRAME OF LIE GROUP 1)
基于李群局部标架的多柔体系统动力学建模与计算 1) |
| 刘铖, 胡海岩 |
|
DYNAMIC MODELING AND COMPUTATION FOR FLEXIBLE MULTIBODY SYSTEMS BASED ON THE LOCAL FRAME OF LIE GROUP 1) |
| Liu Cheng, Hu Haiyan |
| 图6 含线性约束双摆模型在小变形运动中的角动量变化(2) 为了考察含线性约束的双摆模型在大变形运动中的角动量及能量守恒特性,将(1)模型中两根杆的截面宽度与高度均改为0.000 2 m, 仿真时间为10 s,时间步长为$h=1.0 \times 10^{-5}$ s, 总仿真步仍取为10$^{6}$步. 此时,计算得到的最大变形率达到15%. |
| Fig.6 Angular momentum variation of the double pendulum with linear constrains subject to small deformation and overall motion |
|
|