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The 5-DOF (degrees of freedom)air-floated platform can simultaneously simulate translational and attitude motion. It will provide great help for us to better understand and study the orbital and attitude motion for spacecrafts. By referencing rigid body dynamics and spacecraft attitude dynamics, the translational model and attitude model are constructed. Then according to ADRC(Adaptive Disturbance...
This study develops an analysis method which can be applied to simulating the temperature rise during bone drilling. A three-dimensional dynamic elastic-plastic finite element model is used to simulate the process of a Kirschner pin drilling through a bone. The results indicate that lowering the initial temperature of Kirschner pin can decrease the temperature rise as well as the size of the thermal...
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