Editing Stress
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The '''stress''' is given by | |||
:<math>{\mathbf F} = \sigma_{ij} {\mathbf A}</math> | |||
where <math>{\mathbf F}</math> is the force, | |||
<math>{\mathbf A}</math> is the area, and <math>\sigma_{ij}</math> is the stress tensor, given by | |||
:<math>\sigma_{ij} \equiv \left[{\begin{matrix} | |||
\sigma _x & \tau _{xy} & \tau _{xz} \\ | |||
\tau _{yx} & \sigma _y & \tau _{yz} \\ | |||
\tau _{zx} & \tau _{zy} & \sigma _z \\ | |||
\end{matrix}}\right]</math> | |||
where where <math>\ \sigma_{x}</math>, <math>\ \sigma_{y}</math>, and <math>\ \sigma_{z}</math> are normal stresses, and <math>\ \tau_{xy}</math>, <math>\ \tau_{xz}</math>, <math>\ \tau_{yx}</math>, <math>\ \tau_{yz}</math>, <math>\ \tau_{zx}</math>, and <math>\ \tau_{zy}</math> are shear stresess. | |||
[[category: classical mechanics]] |