If I recall correctly it defines the displacement to the matching periodic 
boundary, so that ultimately

U(x+d)=U(x)





On Apr 22, 2013, at 10:54 AM, "Ataollah Mesgarnejad" <[email protected]> 
wrote:

> Dear all,
> 
> I was wondering if anyone can explain the vector disp for constructor for 
> PeriodicBoundary? For example in adaptivity example 5:
> 
> PeriodicBoundary horz(RealVectorValue(2.0, 0., 0.));
> 
> what does RealVectorValue(2.0, 0., 0.) do?
> 
> Thanks,
> Ata
> 
> 
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our toolset for easy data analysis & visualization. Get a free account!
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