CalculiX  2.13
A Free Software Three-Dimensional Structural Finite Element Program
pk_cdi_se.f File Reference

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Functions/Subroutines

subroutine pk_cdi_se (reynolds, beta, cdi_se)
 

Function/Subroutine Documentation

◆ pk_cdi_se()

subroutine pk_cdi_se ( real*8  reynolds,
real*8  beta,
real*8  cdi_se 
)
24 !
25  implicit none
26 !
27  real*8 reynolds,beta,cdi_se,reynolds_cor
28 !
29  if(reynolds.eq.0d0) then
30  reynolds_cor=1.d0
31  else
32  reynolds_cor=reynolds
33  endif
34 !
35  cdi_se=0.5959d0+0.0312d0*beta**2.1d0-0.184d0*beta**8.d0
36  & +0.09d0*0.4333d0*beta**4.d0
37  & /(1.d0-beta**4.d0)-0.0337d0*0.47d0*beta**3.d0+91.71d0
38  & *(beta**1.75d0)/(reynolds_cor**0.75d0)
39 !
40  return
41 !
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