File mttroot/mtt/lib/cr/r/StefanBoltzmann.cr artifact 49afc9586a part of check-in 29839ea8b9
%SUMMARY StefanBoltzmann: Stefan-Boltzmann radiation law. %DESCRIPTION Parameter 1: Stefan-Boltzmann constant %DESCRIPTION Parameter 2: Area of radiating surface OPERATOR StefanBoltzmann; FOR ALL sigma,Area,input LET StefanBoltzmann(sigma,Area,flow, 1, input, effort, 1) = sigma*area*input^4;