------------------------------------------------------------------------------
C12A TURBULENCE CLOSURE OPTIONS
*
* ISSTAB: 0 FOR GALPERIN et al. STABILITY FUNCTIONS IN CALAVBOLD (ISQQ=1)
* 1 FOR GALPERIN et al. STABILITY FUNCTIONS (ISQQ=1)
* 2 FOR KANTHA AND CLAYSON (1994) STABILITY FUNCTIONS (ISQQ=1)
* 3 FOR KANTHA (2003) STABILITY FUNCTIONS (ISQQ=1)
* (NOTE: OPTION SELECTED HERE OVERRIDES ISTOPT(0) ON C6)
* 4 VINCON-LEITE, ET.AL. (2014) APPROACH (ISQQ=1)
* ISSQL: 0 SETS QQ AND QQL STABILITY FUNCTIONS PROPORTIONAL TO
* MOMENTUM STABILITY FUNCTIONS (EXCEPT FOR ISSTAB=3)
* 1 SETS QQ AND QQL STABILITY FUNCTIONS TO CONSTANTS
* (FOR ISSTAB = 0,1,2) THIS OPTION NOT ACTIVE
* ISAVBMX: SET TO 1 TO ACTIVATE MAX VISCOSITY AND DIFFUSIVITY OF AVMX AND ABMX
* ISFAVB: SET TO 1 OR 2 TO AVG OR SQRT FILTER AVO AND AVB
* ISINWV: SET TO 2 TO WRITE EE_ARRAYS.OUT
* ISLLIM: 0 FOR NO LENGTH SCALE AND RIQMAX LIMITATIONS
* 1 LIMIT RIQMAX IN STABILITY FUNCTION ONLY
* 2 DIRECTLY LIMIT LENGTH SCALE AND LIMIT RIQMAX IN STABILITY FUNCTION
* IFPROX: 0 FOR NO WALL PROXIMITY FUNCTION
* 1 FOR PARABOLIC OVER DEPTH WALL PROXIMITY FUNCTION
* 2 FOR OPEN CHANNEL WALL PROXIMITY FUNCTION
* XYRATIO: LARGE ASPECT RATIOS, IF XYRATIO>1.1 AND >DX:DY THEN ZERO XY TERMS FMDUY AND FMDVX (EFDC+)
* BC_EDGEFACTOR: BOUNDARY CELLS MOMENTUM CORRECTION FACTOR (0 TO 1)
*
C12A ISSTAB ISSQL ISAVBMX ISFAVB ISINWV ISLLIM IFPROX XYRATIO BC_EDGEFACTOR