makamo66
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I am trying to learn about impact forces on a clamped rectangular plate in order to describe board breaking in the martial arts. I am finding a lot of sources describing Hooke's Law and other theories about elements with elastic properties but I don't seem to find any sources that discuss modulus of rupture in bending in the same level of detail as in the vibrational aspects of impact, the contact phenomena produced by the impact of elastic bodies, and the dynamic processes involving plastic strains. All of these topics show the deformation of bars, membranes, and plates but they only show the vibrations while bending and not the fracture of the element.
3 papers about board breaking:
Jon Chananie uses the coefficient of restitution e for his description of karate strikes which measures the elasticity of the collision but it's not clear to me what e is for collisions that result in fractures. Haywood Blum and Jearl Walker both use Hooke's Law which is valid for elastic materials to analyze the deflection of a beam caused by impact. How can they apply it towards non-elastic brittle elements?
3 papers about board breaking:
Jon Chananie uses the coefficient of restitution e for his description of karate strikes which measures the elasticity of the collision but it's not clear to me what e is for collisions that result in fractures. Haywood Blum and Jearl Walker both use Hooke's Law which is valid for elastic materials to analyze the deflection of a beam caused by impact. How can they apply it towards non-elastic brittle elements?
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