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1answer
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My system consist of a cylinder with axis Z that can contract and dilate along this axis. It obeys microscopically Hooke's law of elasticity: ...
1
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1answer
351 views

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Submitting a semi-conductor to stress leads to a deformation in the energy-bands, roughly described by:$$H_{ij} = {\cal{D}}_{ij}^{\alpha\beta}\;\epsilon_{\alpha\beta}$$ $\epsilon$ being the strain ...
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0answers
107 views

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I have performed a calculation the tensor of elastic constants (or stiffness tensor) for a given crystalline material. From there, I calculated various elastic properties, such as Young’s modulus, ...
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0answers
66 views

How to calculate 2D soft-body Physics [duplicate]

Possible Duplicate: 2d soft body physics mathematics The definition of rigid body in Box2d is A chunk of matter that is so strong that the distance between any two bits of matter on ...