MassConcentrationCondition

MassConcentrationCondition[pred,vars,pars] represents a mass concentration boundary condition for PDEs with predicate pred indicating where it applies, with model variables vars and global parameters pars.

MassConcentrationCondition[pred,vars,pars,lkey] represents a thermal surface boundary condition with local parameters specified in pars[lkey].

Please visit the official Wolfram Language Reference for more details and examples on core symbols.