6 lines
255 B
Markdown
6 lines
255 B
Markdown
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see [[videos]] for references
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The strain tensor is the symmetric part of the gradient of the displacement field vector.
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$$\varepsilon = \frac{\nabla{U} +\nabla{U}^T}{2}$$
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In continuum mechanics, the force over an area is not the stress, it is traction.
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