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Error Message - out of range in SATB

My simulation of injecting co2 into a homogeneous reservoir using eco2n stops with the error message:

 +++++++++ REDUCE TIME STEP AT (   50, 1) ++++++++++++++++   NEW DELT = 0.109208E+08
+++  TEMPERATURE =0.790350E+00  SALT FRACTION = 0.100228E-01  OUT OF RANGE IN SATB 

Thank you

1 reply

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    • Finsterle GeoConsulting
    • Stefan_Finsterle
    • 10 yrs ago
    • Reported - view

    "Out of range" error messages are quite common. They indicate that the update of the primary variables during a given Newton-Raphson iteration leads to a thermodynamic state that is outside the admissible range. TOUGH2 then automatically reduces the time step, which is also indicated in your excerpt. TOUGH2 never stops at this point in the iteration process, i.e., it will try with the new, reduced time step. So please check carefully for the reason why TOUGH2 actually stopped.

    Stefan

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Content aside

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