[fluka-discuss]: Warning!!! Least square fit for blccre failed to keep max. rel. Blcce err. below 1%

From: Mina Nozar <nozarm_at_triumf.ca>
Date: Wed, 29 Apr 2015 14:11:55 -0700

Hello everyone,

I am getting warning messages such as the one below for different
materials in my setup. (in this case, medium 62 is air).
I am seeing this warning in other materials such as soil, different
concrete compositions, carbon steel, Tantalum, Copper, ...


Should these messages be ignored? I found a similar message on the
forum dated (Feb 2004). The answer by Alfredo was 'the warning is
completely harmless!'
Is it still the case if I am seeing the warnings for multiple media?

Thanks in advance,
Mina
*

   **** Subroutine Mulmix: medium n. 62 ****

  Number of elements = 4, Density= 1.204790E-03 (g/cm**3)
0 I Z Pa F_i Rho_i
  Index Atomic Atomic Proportion Proportion
           Number Weight by Number by weight

     1 6.00000 12.0110 1.501907E-04 1.493977E-07
     2 7.00000 14.0067 0.784430 9.099383E-04
     3 8.00000 15.9994 0.210749 2.792483E-04
     4 18.0000 39.9480 4.671156E-03 1.545402E-05

  ZTILDE,AE1O3,BLCCRA= 7.56378E+00 2.51981E+00 9.97356E-03

  **** Warning!!! Least square fit for blccre failed to keep max. rel.
Blcce err. below 1% ****
  **** Max. error is 1.1 %, for beta2 = 0.00358 ****


  ZTILDE,AE1O3,BLCCRE= 6.53933E+00 2.51981E+00 1.04505E-02
  BLCC,XCC,TFFLU0,XR0FLU= 7.70398E+00 2.63537E-05 8.69055E-01
4.25526E-05
  BLCCE,XCCE,TFEMF0,XR0EMF= 8.76462E+00 2.80872E-02 2.28234E+00
9.00129E-02
  Particle n.: -6 Ecutm (prim. & sec.) = 3.747 GeV 3.747
GeV, Hthnsz = 1.0000E+30 GeV
  Particle n.: -5 Ecutm (prim. & sec.) = 2.828 GeV 2.828
GeV, Hthnsz = 1.0000E+30 GeV
  Particle n.: -4 Ecutm (prim. & sec.) = 2.829 GeV 2.829
GeV, Hthnsz = 1.0000E+30 GeV
  Particle n.: -3 Ecutm (prim. & sec.) = 1.896 GeV 1.896
GeV, Hthnsz = 1.0000E+30 GeV
  Particle n.: 1 Ecutm (prim. & sec.) = 0.9583 GeV 0.9583
GeV, Hthnsz = 1.0000E+30 GeV
  Particle n.: 2 Ecutm (prim. & sec.) = 0.9583 GeV 0.9583
GeV, Hthnsz = 1.0000E+30 GeV
  Particle n.: 3 Ecutm (prim. & sec.) = 2.0511E-02 GeV 2.0511E-02
GeV, Hthnsz = 1.0000E+30 GeV
  Particle n.: 4 Ecutm (prim. & sec.) = 2.0511E-02 GeV 2.0511E-02
GeV, Hthnsz = 1.0000E+30 GeV


*


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Received on Thu Apr 30 2015 - 00:48:05 CEST

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