[CIG-LONG] stressbc and hydrostatic term

[Laetitia Le Pourhiet]

Hi Walter me again ,

I want to put a normal stress as bc at depth (let say I have a static 
bottom and I want the sigma_yy = initial rho*g*z) so that particules 
inflow or outflow of the model at the bottom to simulate an horizontal 
depth of compensation.

I am using your hydrostatic correction to limit the compaction of the 
element so what is the value of stress I have to put at depth?  initial 
rho*g*z or 0 ?  in other words,  where is the stressbc applied? before  
or after  the hydrostatic correction has been removed from the RHS?

cheers

Laetitia 
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