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fluid specific mass outflow calculation at outlet!! |
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September 7, 2015, 05:35 |
fluid specific mass outflow calculation at outlet!!
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#1 |
Senior Member
Saideep
Join Date: Apr 2015
Location: INDIA
Posts: 203
Rep Power: 12 |
Hi FOAMERS;
In case if i have a single fluid(solving using simpleFoam) and have an inlet and outlet face, i can calculate the cumulative outflow at the boundary outlet face using swak4Foam functions specified in the "controlDict" file. Now, if i extend the concept to "interFoam" where i deal with 2 fluids how can i know specific fluid outflow separately at the outlet face? That is: cumulative outflow of fluid1 and cumulative outflow of fluid2. Similarly, we have only 1 pressure value for every cell solved by the PIMPLE method. What can i do to explicitly have both the fluids pressure computed separately at specific point in the domain{using probeLocation can do this but how can i split pressures explicitly for both the fluids}? Thanks and awaiting to know your suggestions; Saideep |
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September 10, 2015, 12:17 |
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#2 |
Senior Member
Saideep
Join Date: Apr 2015
Location: INDIA
Posts: 203
Rep Power: 12 |
Hi;
Maybe just multiplying the outflux by alpha value can help me. But does any1 have an idea how can find the alpha values at the boundary face or in the boundary cell? Alpha is no more a field that is being created in the createFields.H so how can i catch it using swak4Foam or any other? Thanks; Saideep |
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September 19, 2015, 11:24 |
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#3 |
Retired Super Moderator
Bruno Santos
Join Date: Mar 2009
Location: Lisbon, Portugal
Posts: 10,975
Blog Entries: 45
Rep Power: 128 |
Quick answer: http://www.cfd-online.com/Forums/ope...swak4foam.html
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