DISPLAY The problem is similar to that of library case 230; but the Saffman-Spalding k-W model is used, the variable being VOSQ, which stands for vorticity-fluctuations squared, and which is related to KE and EPS as (KE/EPS) squared. ENDDIS GROUP 1. Run title and other preliminaries TEXT(X-Spatial Decay Of Turbu, K-Vosq TITLE REAL(XLEN,UIN,TKEIN,VOIN);XLEN=1.0;UIN=1.0; TKEIN=1.0; VOIN=1.0 GROUP 3. X-direction grid specification GRDPWR(X,40,XLEN,2.0) GROUP 7. Variables stored, solved & named STORE(U1,VIST) ** The next statement activates the Safmann-Spalding ** two-equation turbulence model TURMOD(KVMODL) GROUP 8. Terms (in differential equations) & devices ** cut out diffusion of KE and VOSQ TERMS(KE,N,Y,N,N,N,N); TERMS(VOSQ,N,Y,N,N,N,N) GROUP 11. Initialization of variable or porosity fields FIINIT(U1)=UIN; FIINIT(KE)=TKEIN; FIINIT(VOSQ)=VOIN GROUP 13. Boundary conditions and special sources ** Inlet Boundary PATCH(INLET,WEST,1,1,1,1,1,1,1,1) COVAL(INLET,KE,1.E5,TKEIN); COVAL(INLET,VOSQ,1.E5,VOIN) GROUP 16. Termination of iterations LSWEEP=10; RESREF(KE)=1.E-7; RESREF(VOSQ)=1.E-7 GROUP 21. Print-out of variables OUTPUT(U1,N,N,N,N,N,N); OUTPUT(VIST,N,N,N,N,N,N) GROUP 22. Monitor print-out IXMON=NX; ITABL=1; TSTSWP=LSWEEP/2 GROUP 23. Field print-out and plot control IPROF=1; NXPRIN=2; ORSIZ=0.4 PATCH(PROFILE,PROFIL,1,NX,1,1,1,1,1,1) PLOT(PROFILE,KE,0.0,TKEIN); PLOT(PROFILE,VOSQ,0.0,2.0*VOIN) PLOT(PROFILE,VIST,0.0,0.0)