Multiphase boundary conditions

Available multiphase boundary conditions include:

• alphaContactAngle
• alphatFixedDmdtWallBoilingWallFunction
• alphatPhaseChangeJayatillekeWallFunction
• alphatPhaseChangeWallFunction
• alphatWallBoilingWallFunction
• fixedMultiPhaseHeatFlux
• JohnsonJacksonParticleSlip
• JohnsonJacksonParticleTheta
• timeVaryingMassSorption