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solvers:stress [2016/01/20 09:34]
gag [General Description]
solvers:stress [2016/01/20 09:34] (current)
gag [General Description]
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 <​m>​sigma_{ij} ​ = 2 {eta}  {epsilon}_{ij} - p delta_{ij} </m> \\ <​m>​sigma_{ij} ​ = 2 {eta}  {epsilon}_{ij} - p delta_{ij} </m> \\
  
-where <​m>​epsilon</​m>​ is directly evaluated from the velocity field and <​m>​p</​m>​ is the isotropic pressure.The convention is that a positive stress corresponds to a tensiile ​stress (opposite to the isotropic pressure convention). ​+where <​m>​epsilon</​m>​ is directly evaluated from the velocity field and <​m>​p</​m>​ is the isotropic pressure.The convention is that a positive stress corresponds to a tensile ​stress (opposite to the isotropic pressure convention). ​
  
 This solver doesn'​t work for the GOLF anisotropic ([[solvers:​aiflow|AIFlow Solver]]) and the snow/firn ([[solvers:​porous|Porous Solver]]) rheologies. Nevertheless,​ these two solvers have intrinsic functions which allow to compute the stress directly. ​ This solver doesn'​t work for the GOLF anisotropic ([[solvers:​aiflow|AIFlow Solver]]) and the snow/firn ([[solvers:​porous|Porous Solver]]) rheologies. Nevertheless,​ these two solvers have intrinsic functions which allow to compute the stress directly. ​
solvers/stress.txt ยท Last modified: 2016/01/20 09:34 by gag
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