*     CONSTANTS INITIALIZED FROM PHYSICS THROUGH SUBROUTINE CLASS_CONST
*
      REAL CPD,DELTA2,GRAV,KARMAN,RGASD,RGASV,STEFAN,TCDK
      COMMON /CLASS_CONSPHY/ CPD,DELTA2,GRAV,KARMAN,
     +                       RGASD,RGASV,STEFAN,TCDK