MixtPerf_Vm.F90

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!******************************************************************************
!
! Purpose: Collect relations for velocity magnitude for perfect gases.
!
! Description: None.
!
! Notes: None.
!
!******************************************************************************
!
! $Id: MixtPerf_Vm.F90,v 1.3 2008/12/06 08:44:09 mtcampbe Exp $
!
! Copyright: (c) 2002 by the University of Illinois
!
!******************************************************************************

FUNCTION mixtperf_vm_c2co2g(C2,Co2,G)

  USE moddatatypes

  IMPLICIT NONE
  
  REAL(RFREAL), INTENT(IN) :: c2,co2,g
  REAL(RFREAL) :: mixtperf_vm_c2co2g
   
  IF ( co2 > c2 ) THEN  
    mixtperf_vm_c2co2g = sqrt(2.0_rfreal/(g - 1.0_rfreal)*(co2 - c2))
  ELSE 
    mixtperf_vm_c2co2g = 0.0_rfreal
  END IF ! Co2

END FUNCTION mixtperf_vm_c2co2g

!******************************************************************************
!
! RCS Revision history:
!
! $Log: MixtPerf_Vm.F90,v $
! Revision 1.3  2008/12/06 08:44:09  mtcampbe
! Updated license.
!
! Revision 1.2  2008/11/19 22:17:22  mtcampbe
! Added Illinois Open Source License/Copyright
!
! Revision 1.1  2004/12/01 16:49:36  haselbac
! Initial revision after changing case
!
! Revision 1.3  2003/12/04 03:23:00  haselbac
! Added check against taking SQRT of negative number
!
! Revision 1.2  2002/05/28 13:46:10  haselbac
! Corrected name of MixtPerf_Vm_C2Co2
!
! Revision 1.1  2002/05/04 16:16:52  haselbac
! Initial revision
!
!******************************************************************************