Material coupling the behaviour of two particulat materials based on rule of mixture. The weighting factor is VOF fraction. The model parameters are summarized in Tab. 78.
| Description | Two-Fluid material |
| Record Format | TwoFluidMat num(in) # mat(ia) # |
| Parameters | - num material model number |
| - mat integer array containing two numbers representing numbers of material models of which the receiver is composed. Material with index 0 is a material, that is fully active in a cell with VOF=0, material with index 1 is a material fully active in a cell with VOF=1. |
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| Supported modes | 2d flow |