Error in DVODE Solver

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Zihan Lin

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Apr 11, 2021, 4:06:11 AM4/11/21
to ZDPlasKin
Hello Team,

I hope everyone is doing well! I encountered the following error when I ran ZDPlasKin:

 At T(=R1) and step size H(=R2), the error
 test failed repeatedly or with ABS(H) = HMIN.
In the above message, R1 =   0.5109600186329D+01   R2 =   0.5841911792499D-14
Tgas   = 5.2300D+02
    EN = 1.0000D+02
    Te = 2.7144D+04
ZDPlasKin ERROR: DVODE solver issued an error (subroutine ZDPlasKin_timestep)
PRESS ENTER TO EXIT ...

Is this type of error common? What are the potential sources and how can it be resolved?

Thanks and Regards,
Zihan Lin

Francisco C. Parra-Rojas

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Apr 11, 2021, 1:47:28 PM4/11/21
to Zihan Lin, ZDPlasKin
Hello, this is a very common issue. I recommend that you play with the values of RTOL and ATOL, it is the only way I know that can solve this error

Fran

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Nicolas Minesi

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Apr 11, 2021, 3:31:44 PM4/11/21
to ZDPlasKin
Hello,

It is indeed a common problem. You can also check if you are not imposing to sharp variations of E/N to you system.

Nicolas
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