BUG: compressible/rhoCentralFoam/LadenburgJet60psi always returns 0 residual for rho*

cd $FOAM_TUTORIALS/compressible/rhoCentralFoam/LadenburgJet60psi
blockMesh
rhoCentralFoam > log

Inspection of log, the first iteration:

diagonal:  Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0                                                                    
diagonal:  Solving for rhoUx, Initial residual = 0, Final residual = 0, No Iterations 0
diagonal:  Solving for rhoUy, Initial residual = 0, Final residual = 0, No Iterations 0
diagonal:  Solving for rhoUz, Initial residual = 0, Final residual = 0, No Iterations 0
smoothSolver:  Solving for Ux, Initial residual = 2.72671585531381e-10, Final residual = 5.52189393354249e-17, No Iterations 2
smoothSolver:  Solving for Uy, Initial residual = 8.9793398319517e-10, Final residual = 3.88308482399956e-17, No Iterations 2
smoothSolver:  Solving for Uz, Initial residual = 2.46779639576239e-05, Final residual = 4.26968989376592e-17, No Iterations 2
diagonal:  Solving for rhoE, Initial residual = 0, Final residual = 0, No Iterations 0
smoothSolver:  Solving for e, Initial residual = 5.10620283617839e-10, Final residual = 2.0953930462529e-16, No Iterations 2
ExecutionTime = 0.04 s  ClockTime = 0 s 

Last iteration:

deltaT = 2.63043719245516e-09                                                   
Time = 2e-05                                                                    
                                                                                
diagonal:  Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0
diagonal:  Solving for rhoUx, Initial residual = 0, Final residual = 0, No Iterations 0
diagonal:  Solving for rhoUy, Initial residual = 0, Final residual = 0, No Iterations 0
diagonal:  Solving for rhoUz, Initial residual = 0, Final residual = 0, No Iterations 0
smoothSolver:  Solving for Ux, Initial residual = 5.96253571018462e-09, Final residual = 6.04621493842968e-17, No Iterations 2
smoothSolver:  Solving for Uy, Initial residual = 1.94043363575857e-08, Final residual = 4.05549649159743e-17, No Iterations 2
smoothSolver:  Solving for Uz, Initial residual = 1.22670886698518e-07, Final residual = 3.52512229257255e-17, No Iterations 2
diagonal:  Solving for rhoE, Initial residual = 0, Final residual = 0, No Iterations 0
smoothSolver:  Solving for e, Initial residual = 1.12199018788273e-08, Final residual = 2.11044025910839e-16, No Iterations 2
ExecutionTime = 78.01 s  ClockTime = 78 s

@Prashant , would you please mind to run this tutorial in one of the old versions, if you have an installation, e.g. 1706? It runs fairly quickly.

#1531