Difference between revisions of "Stress"

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The '''stress''' is given by
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#REDIRECT[[Pressure#Stress]]
 
 
:<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.
 
==References==
 
<references/>
 
'''Related reading'''
 
*[http://dx.doi.org/10.1063/1.3245303 Aidan P. Thompson, Steven J. Plimpton, and William Mattson "General formulation of pressure and stress tensor for arbitrary many-body interaction potentials under periodic boundary conditions", Journal of Chemical Physics '''131''' 154107 (2009)]
 
[[category: classical mechanics]]
 

Latest revision as of 11:46, 15 July 2011

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