弹性细杆弯扭度有突变时的Larange方程

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  根据弹性细杆静力学的Kirchhoff动力学比拟方法,将弹性细杆截面的弯扭度和形心应变矢有突变的弹性变形比拟为动力学中的打击运动现象。分别从精确Cosserat弹性细杆和Kirchhoff弹性细杆静力学的Larange方程出发,导出了弯扭度和形心应变矢有突变时的Larange方程,其形式与打击运动的Larange方程形式相同。
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