R	Rc0*rr
Uw	Us*ww
pEl	G/2*(5-4*Rc0/R-(Rc0/R)^4)
pRes	pEl+4*etaG*Uw/R
Wgel	2*pi*G*(5*R^3/3-2*Rc0*R^2+Rc0^4/R-2*Rc0^3/3)
Kgel	2*pi*rhoG*R^3*Uw^2
wallAcc	((pb-pInf-pRes)/rhoG-1.5*Uw^2)/R
Pdis	outletOpen*A*(Rloss*U^2+rho*Kloss*abs(U)^3/2)+16*pi*etaG*R*Uw^2
communication	max(L,2*Rc0)/cL*kap*abs(Vdot)/Vg