弹性力学中的一类非完整运动约束
A class of nonholonomic kinematic constraints in elasticity
摘要:
我们提出了一个简单的经典场论与非完整约束的第一个例子。我们的模型是一个简单的修改Cosserat杆。基于机械类比,我们认为,约束力应该以一种特殊的方式建模,我们展示了如何这样的程序可以自然地实现在几何场论的框架。最后,我们推导出的运动方程,我们提出了一个几何积分方案的动力学的简化模型。
英文摘要:
We propose a first example of a simple classical field theory with nonholonomic constraints. Our model is a straightforward modification of a Cosserat rod. Based on a mechanical analogy, we argue that the constraint forces should be modeled in a special way, and we show how such a procedure can be naturally implemented in the framework of geometric field theory. Finally, we derive the equations of motion and we propose a geometric integration scheme for the dynamics of a simplified model.
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