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  1. #1

    Join Date
    Nov 2016
    Posts
    1

    MSX Error 513

    Hi,

    I am building a chlorine decay model using MSX. When I tried to input the following equation to represent pipe wall decay in the "Term" tab, the "Error 513 - could not integrate reaction rate expressions" keep coming up. I am pretty sure it is to do with the "power" expression as the MSX model runs fine without it.

    WALL= -4/D*KW/1000*CL^0.1



    Has anyone experienced this before and how did you go about fixing this?

    Thanks,
    Charlene

  2. #2
    Forum Moderator

    Innovyze Employee



    Innovyze Employee



    Join Date
    May 2015
    Posts
    421
    Charlene,

    We have forwarded your question to the appropriate team for review to see if they have any insights or suggestions for you. We’ll keep you informed. Thanks again.

    Thank you.

    Patrick Moore

  3. #3
    Forum Moderator

    Innovyze Employee



    Innovyze Employee



    Join Date
    May 2015
    Posts
    421
    Charlene,

    Our staff would like to have you send over your model to assist in the investigation. We found you in our system, but it currently lists no email for you and has an invalid phone number to call you. Could you contact us at support@innovyze.com and include your contact information in your email signature so that we can send you instructions on how to upload your model? Please refer to this forum thread in your email.

    Thank you.

    Patrick Moore

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