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gerris(1) User Commands gerris(1)


gerris2D, gerris3D - the Gerris flow solver simulation engine.




This manual page documents briefly the gerris command.


These programs follow the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included below.

Splits the domain N times and returns the corresponding simulation.
Keep box pids when splitting. The default is to allocate one pid per box.
Partition the domain in 2^N subdomains and returns the corresponding simulation.
When splitting or partitioning, output all data.
Profiles calls to boundary conditions.
Turn macros support on.
Defines NAME as a macro expanding to VALUE (macro support is implicitly turned on).
Evaluates the GfsEvent EV and returns the simulation.
Output version information and exit.
Display the help and exit.


gerris was written by Stephane Popinet <>.

This manual page was written by Ruben Molina <>, for the Debian project (but may be used by others).

July 9, 2008