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Running model with all different layers 1 month 5 days ago #460

Hello,

I am using STAN to conduct MFA, SFA and EFA therefore I have created 5 layers good, three substances and energy. I was wondering why when I run the model for the 5 layers I get an error message that the calculation was canceled after 100 iterations. However, when I run the model of each level separately (that is switching off the other layers) the calculations work fine and the model runs. Is that normal to happen if I run each level separately instead of all together?

Thank you in advance for your help and support

Nina

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Running model with all different layers 1 month 5 days ago #461

These errors are normaly related to division by zero problems caused by e.g. a concentration equation (c = m_substance / m_good) if the unknown mass flow on the layer of goods (m_good) converges against zero during the iterative calculation procedure.

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