The problem is that I have moved these alphas parameters (not yet in trunk) to CohFricMat. I guess in such a case what you say would not apply, right? Chiara
2010/12/6 Václav Šmilauer <[email protected]> > > can I use the MatchMaker to get the harm average of alphas parameter? I am >> not sure to understand how it works. >> Cheers, Chiara >> > Hi, yes you can... You will turn (if we speak about > Ip2_2xCohFrictMat_CohFrictPhys) alphaKr, alphaKts into MatchMaker objects, > which will by default return constant value (so that older code behaves the > same), something like (see also Ip2_FrictMat_FrictMat_FrictPhys): > > ((shared_ptr<MatchMaker>,alphaKr,new MatchMaker(2.0),,"docs")) > > where the "new MatchMaker(2.0)" will construct new object always returning > 2.0 [note: I will be adding this ctor, since you gave me the idea, now, so > you will need to update]. In the code then, you will get the value as > (*alphaKr)(mat1->id,mat2->id,mat1->alphaKr,mat2->alphaKr) (alphaKr is a > pointer, so once needs the *). To use harmonic average between mat1->alphaKr > and mat2->alphaKr (of which value are ignored the MatchMaker returns a const > value), you do in the python script > > > > Ip2_2xCohFrictMat_CohFrictPhys(...,alphaKr=MatchMaker(fallback='harmAvg'),...) > > and that's it. One can still set the constant with > > Ip2_2xCohFrictMat_CohFrictPhys(...,alphaKr=2.0) > > There is one margin case that you must handle in the c++ code, and that is > if the shared_ptr<MatchMaker> is NULL pointer (is someone says in python > alphaKr=None), then throw exception or something similar. > > Cheers, v. > > > _______________________________________________ > Mailing list: > https://launchpad.net/~yade-dev<https://launchpad.net/%7Eyade-dev> > Post to : [email protected] > Unsubscribe : > https://launchpad.net/~yade-dev<https://launchpad.net/%7Eyade-dev> > More help : https://help.launchpad.net/ListHelp >
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