multiphaseEulerFoam: scalarCoeffSymmTable::const_iterator cAlpha in solveAlphase()

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 January 13, 2014, 06:30 multiphaseEulerFoam: scalarCoeffSymmTable::const_iterator cAlpha in solveAlphase() #1 Senior Member   Join Date: Jan 2012 Posts: 159 Rep Power: 7 hi, in method solveAlphas() of multiphasesystem.C of multiphaseEulerFoam is found: Question 1: Code: ```scalarCoeffSymmTable::const_iterator cAlpha ( cAlphas_.find(interfacePair(phase1, phase2)) //scalarCoeffSymmTable cAlphas_; ); //in multiphasesystem.H``` Am I right that in "cAlphas_" is searched for the "interfacePair(phase1, phase2) entry" and if found/existant "scalarCoeffSymmTable::const_iterator cAlpha" is set to the position of the pair? Question 2: Later on the following line appears: Code: ` phir += min(cAlpha()*phic, max(phic))*nHatf(phase1, phase2);` with the operator (): Code: ```inline T& Foam::HashTable::operator()(const Key& key) //Find and return a hashedEntry, create it null if not present. 146*{ 147* iterator iter = this->find(key); 148* 149* if (iter == this->end()) 150* { 151* this->insert(key, T()); 152* return *find(key); 153* } 154* else 155* { 156* return *iter; 157* } 158*}``` Is this the right operator () ? and what is exactly the "key" since the operator is called on "scalarCoeffSymmTable::const_iterator cAlpha" (see first code snippet)? greetings maybee

 September 16, 2015, 14:43 multiphaseSystem::solveAlphas() - How does it work? #2 New Member   Jaka Peternel Join Date: Oct 2014 Posts: 5 Rep Power: 5 I am also interested in this part of the code, just working through the solveAlphas() method to get good understanding of how openfoam calculates transport of alphas. Is there any book or an article describing the method used for this calculations? P.S.: link to source file, line 59 Cheers, Jaka

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