3D SIMULATION OF A SPINNING TOP GAME

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For many centuries, children's fun has been known associated with the use of a rapidly rotating rotor, freely resting on a flat surface. The spinning top can be made of wood, plastic or metal, as well as in a combination of different materials. The spinning top is a body of rotation, its design serves as a good example when studying the operation of shaping "Rotation" T-Flex CAD 3D. The process of developing a support surface for a spinning top is suitable as an example when studying the operations "Pushing Out", "Smoothing edges", "Shell". The most interesting is the process of modeling the dynamics of a spinning top. The techniques of positioning parts in the organization of assembly on the principle of "Bottom-up", working with the materials of individual fragments are considered. A problem of motion analysis is created, a method of accounting for contact interactions between the bodies of a mechanical system is determined, a fixed body is assigned in a 3D scene, degrees of freedom of moving bodies are resolved, angular rotation speeds of simulated tops are selected. For greater clarity of the game situation, we model the support surface inclined, which provokes the movement of rotating tops to the board of the playing field. The calculation process takes less than a minute, and the training version of T-Flex is enough to repeat the described modeling process.