GfsSourceViscosity


Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162

Strict Standards: Non-static method MagicWord::get() should not be called statically, assuming $this from incompatible context in /home/project-web/gfs/htdocs/mediawiki-1.6.6/includes/Parser.php on line 2162
From Gerris

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Revision as of 08:56, 8 February 2008

SourceDiffusion solves the diffusion equation for a scalar quantity, while SourceViscosity solves the diffusion equation for the velocity (a vector quantity obviously). In the case of a spatially uniform viscosity the two are strictly equivalent since—in the case of an incompressible fluid—the vector diffusion equation for the velocity can be split in independent scalar diffusion equations for each of the Cartesian components of the velocities.

To sum up, using SourceViscosity is safe in all cases, regardless of whether the viscosity is uniform.

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