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Old   February 16, 2016, 17:02
Default Fire-chemkin
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amin u3fi
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Hello everybody,

I faced this ERROR and the calculation diverges when I use FIRE-CHEMKIN mode. Please let me know what you think about it.

%fire-I-chom_rate, Calling Solver for Homogeneous Reactions
%fire-I-chom_rate, progress of ODE solution = 20%
%fire-I-chom_rate, progress of ODE solution = 40%
%fire-I-chom_rate, progress of ODE solution = 60%
DVODE-- Warning: internal T (=R1) and H (=R2) are
such that in the machine, T + H = T on the next step
(H = step size). solver will continue anyway
In above, R1 = 0.1459500094191D-03 R2 = 0.1340237082787D-21
DVODE-- Warning: internal T (=R1) and H (=R2) are
such that in the machine, T + H = T on the next step
(H = step size). solver will continue anyway
In above, R1 = 0.1459500094191D-03 R2 = 0.1340237082787D-21
DVODE-- Warning: internal T (=R1) and H (=R2) are
such that in the machine, T + H = T on the next step
(H = step size). solver will continue anyway
In above, R1 = 0.1459500094191D-03 R2 = 0.1340237082787D-21
DVODE-- Warning: internal T (=R1) and H (=R2) are
such that in the machine, T + H = T on the next step
(H = step size). solver will continue anyway
In above, R1 = 0.1459500094191D-03 R2 = 0.1340237082787D-21
DVODE-- Warning: internal T (=R1) and H (=R2) are
such that in the machine, T + H = T on the next step
(H = step size). solver will continue anyway
In above, R1 = 0.1459500094191D-03 R2 = 0.1340237082787D-21
DVODE-- Warning: internal T (=R1) and H (=R2) are
such that in the machine, T + H = T on the next step
(H = step size). solver will continue anyway
In above, R1 = 0.1459500094191D-03 R2 = 0.1340237082787D-21
DVODE-- Warning: internal T (=R1) and H (=R2) are
such that in the machine, T + H = T on the next step
(H = step size). solver will continue anyway
In above, R1 = 0.1459500094191D-03 R2 = 0.1340237082787D-21
DVODE-- Warning: internal T (=R1) and H (=R2) are
such that in the machine, T + H = T on the next step
(H = step size). solver will continue anyway
In above, R1 = 0.1459500094191D-03 R2 = 0.2487341268969D-21
DVODE-- Warning: internal T (=R1) and H (=R2) are
such that in the machine, T + H = T on the next step
(H = step size). solver will continue anyway
In above, R1 = 0.1459500094191D-03 R2 = 0.2487341268969D-21
DVODE-- Warning: internal T (=R1) and H (=R2) are
such that in the machine, T + H = T on the next step
(H = step size). solver will continue anyway
In above, R1 = 0.1459500094191D-03 R2 = 0.2487341268969D-21
DVODE-- Above warning has been issued I1 times.
it will not be issued again for this problem
In above message, I1 = 10
%fire-I-chom_rate, progress of ODE solution = 80%
%fire-I-chom_rate, progress of ODE solution = 100%
DVODE-- At current T (=R1), MXSTEP (=I1) steps
taken on this call before reaching TOUT
In above message, I1 = 20000
In above message, R1 = 0.1459500094191D-03
%fire-I-cysetup, ====================================
Testing proper position of injector:
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Old   August 12, 2018, 07:01
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iman pourmousavi
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Location: iran
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Hi AMIN
I have the same problem as you.could you help me?

Thanks , IMAN
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