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peter (2 matches)
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| #23 | model of hydrogen deficient nebula crashes due to convergence problems in eden solver | ionization convergence | defect - convergence | 04/04/07 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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The attached sim crashes on the mainline due to convergence problems in the eden solver in the molecular region. The remarkable thing is that choosing either a lower or higher carbon abundance makes the problem go away, so it requires some fine tuning... running the sim yields: cloudy.exe < cloudy.inp
....<snip> ...
PROBLEM ConvFail 1, eden not converged itr 2 zone 915 fnzone 915.71 correct=6.722e+00 assumed=1.095e+01. Electron density oscillating. Heating-cooling oscillating.
PROBLEM ConvFail 2, eden not converged itr 2 zone 916 fnzone 919.14 correct=7.015e+00 assumed=8.874e+00. Heating-cooling oscillating.
PROBLEM ConvFail 3, eden not converged itr 2 zone 917 fnzone 917.73 correct=6.647e+00 assumed=1.460e+01. Electron density oscillating. Heating-cooling oscillating.
PROBLEM ConvFail 4, eden not converged itr 2 zone 918 fnzone 920.61 correct=1.932e+01 assumed=1.351e+01. Heating-cooling oscillating.
PROBLEM ConvFail 5, eden not converged itr 2 zone 919 fnzone 919.55 correct=2.354e+01 assumed=8.156e+00. Electron density oscillating. Heating-cooling oscillating.
PROBLEM ConvFail 6, eden not converged itr 2 zone 920 fnzone 920.63 correct=6.710e+00 assumed=1.201e+01. Electron density oscillating. Heating-cooling oscillating.
PROBLEM ConvFail 7, eden not converged itr 2 zone 921 fnzone 921.51 correct=2.162e+01 assumed=1.057e+01. Electron density oscillating. Heating-cooling oscillating.
PROBLEM ConvFail 8, eden not converged itr 2 zone 922 fnzone 924.48 correct=6.803e+00 assumed=9.727e+00. Heating-cooling oscillating.
PROBLEM ConvFail 9, eden not converged itr 2 zone 923 fnzone 925.41 correct=2.004e+01 assumed=1.257e+01. Heating-cooling oscillating.
PROBLEM ConvFail 10, eden not converged itr 2 zone 924 fnzone 927.56 correct=2.320e+01 assumed=8.566e+00. Electron density oscillating. Heating-cooling oscillating.
PROBLEM ConvFail 11, eden not converged itr 2 zone 925 fnzone 925.66 correct=6.806e+00 assumed=1.198e+01. Electron density oscillating. Heating-cooling oscillating.
DISASTER PROBLEM radius_next finds dr too small and aborts. This is zone 925 iteration 2
####925 Te:1.169E+02 Hden:3.162E+03 Ne:1.198E+01 R:3.122E+15 R-R0:1.693E+15 dR:7.617E+01 NTR: 67 Htot:7.854E-18 T912: 1.42e+04###
Hydrogen 7.82e-03 1.25e-12 H+o/Hden 7.82e-03 2.48e-14 H- H2 4.96e-01 3.33e-14 H2+ HeH+ 4.08e-18 Ho+ ColD 3.08e+18 3.85e+17
Helium 1.00e+00 1.35e-12 0.00e+00 He I2SP3 9.17e-19 Comp H,C 2.38e-25 5.50e-26 Fill Fac 1.00e+00 Gam1/tot 5.63e-05
He singlet n 1.00e+00 6.93e-25 1.26e-29 7.81e-32 3.81e-31 1.86e-31 He tripl 9.17e-19 1.11e-28 1.49e-31 1.54e-30 5.11e-31
Pressure NgasTgas 1.24e+08 P(total) 1.71e-08 P( gas ) 1.71e-08 P(Radtn) 2.73e-12 Rad accl 4.26e-05 ForceMul 2.05e+07
Texc(La) 2.11e+03 T(contn) 2.93e+01 T(diffs) 1.39e+02 nT (c+d) 4.07e+07 Prad/Gas 1.60e-04 Pmag/Gas 0.00e+00
gra-ism01 DustTemp 1.71e+02 Pot Volt 7.66e-03 Chrg (e)-9.68e-01 drf cm/s 1.02e+04 Heating: 3.83e-21 Frac tot 4.88e-04
gra-ism02 DustTemp 1.71e+02 Pot Volt 4.30e-03 Chrg (e)-9.74e-01 drf cm/s 1.50e+04 Heating: 3.46e-21 Frac tot 4.41e-04
gra-ism03 DustTemp 1.71e+02 Pot Volt 2.27e-03 Chrg (e)-9.80e-01 drf cm/s 2.22e+04 Heating: 3.19e-21 Frac tot 4.06e-04
gra-ism04 DustTemp 1.72e+02 Pot Volt 5.08e-04 Chrg (e)-9.93e-01 drf cm/s 3.29e+04 Heating: 3.04e-21 Frac tot 3.87e-04
gra-ism05 DustTemp 1.72e+02 Pot Volt-2.85e-02 Chrg (e)-1.56e+00 drf cm/s 4.87e+04 Heating: 2.93e-21 Frac tot 3.73e-04
gra-ism06 DustTemp 1.73e+02 Pot Volt-3.11e-02 Chrg (e)-1.91e+00 drf cm/s 7.23e+04 Heating: 2.30e-21 Frac tot 2.93e-04
gra-ism07 DustTemp 1.75e+02 Pot Volt-3.77e-02 Chrg (e)-2.62e+00 drf cm/s 1.08e+05 Heating: 1.63e-21 Frac tot 2.08e-04
gra-ism08 DustTemp 1.80e+02 Pot Volt-4.02e-02 Chrg (e)-3.56e+00 drf cm/s 1.65e+05 Heating: 1.07e-21 Frac tot 1.36e-04
gra-ism09 DustTemp 1.88e+02 Pot Volt-4.14e-02 Chrg (e)-4.90e+00 drf cm/s 2.59e+05 Heating: 6.83e-22 Frac tot 8.69e-05
gra-ism10 DustTemp 1.98e+02 Pot Volt-4.25e-02 Chrg (e)-6.92e+00 drf cm/s 4.23e+05 Heating: 4.44e-22 Frac tot 5.65e-05
Molecules CH/Ctot: 9.79e-10 CH+/Ctot 4.93e-15 CO/Ctot: 3.16e-02 CO+/Ctot 1.66e-13 H2O/Otot 1.88e-17 OH/Ototl 1.02e-18
Lithium 9.98e-01 1.95e-03 0.00e+00 0.00e+00 Berylliu 1.00e-00 5.98e-05 0.00e+00 0.00e+00 0.00e+00 sec ion: 2.03e-17
Boron 9.94e-01 5.97e-03 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Carbon 9.66e-01 3.97e-08 9.82e-16 0.00e+00 0.00e+00 0.00e+00 0.00e+00 H2O+/O 9.18e-21 OH+/Otot 1.62e-18 Hex(tot) 0.00e+00
Nitrogen 8.24e-03 5.82e-11 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 O2/Ototl 1.98e-24 O2+/Otot 1.21e-25
Oxygen 4.11e-07 1.85e-16 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Fluorine 1.00e+00 1.33e-09 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Neon 1.00e+00 1.37e-09 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Sodium 1.00e-00 1.23e-04 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Magnesium 9.77e-01 2.31e-02 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Aluminium 0 9.52e-01 4.81e-02 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Silicon 0 9.91e-01 8.63e-03 2.25e-12 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Phosphorus 0 1.00e-00 1.31e-06 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Sulphur 0 6.08e-02 1.54e-06 4.15e-14 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Chlorine 0 1.00e-00 1.53e-11 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Argon 0 1.00e+00 1.93e-09 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Potassium 0 9.98e-01 1.80e-03 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Calcium 0 9.93e-01 7.20e-03 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Scandium 0 9.91e-01 9.01e-03 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Titanium 0 1.00e-00 1.93e-04 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Vanadium 0 9.99e-01 5.20e-04 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Chromium 0 9.96e-01 4.09e-03 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Manganese 0 9.98e-01 2.01e-03 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Iron 0 9.69e-01 3.11e-02 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Cobalt 0 9.97e-01 2.80e-03 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Nickel 0 9.94e-01 5.67e-03 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Copper 0 9.98e-01 1.60e-03 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
Zinc 0 1.00e-00 6.04e-05 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00
.... etc ....
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| #80 | FPE in grains | grains | defect - FPE | 11/10/08 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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The following sim causes an FPE in source:trunk/source/grains.cpp. It happens at different places depending upon whether NDEBUG is set. If so, the failure is at line source:trunk/source/grains.cpp@2452#L3103, otherwise it is at source:trunk/source/grains.cpp@2452#L3123. In both cases the failure is division by zero. blackbody 200 STE Hden 2.0 stop zone 1 sphere Abundances H II region no qheat no grains grains PAH 10 grains orion 1 no grain qheat element Helium abundance -0.98 element Carbon abundance -4.14 element Nitrogen abundance -4.2 element Oxygen abundance -3.47 element Neon abundance -4.4 element Sulphur abundance -5.06 element Chlorine abundance -6.88 element Argon abundance -5.64 element Iron abundance -5.5 element Boron off element Beryllium off element Scandium off element Vanadium off element Copper off element Cobalt off element Nickel off element Zinc off element Manganese off element Titanium off turbulence 3km/s 2 |
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