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is it possible to have a loop on a model or OpenLCa is not able to manage it?

Eg:

  1. Process_A does have in imput the Process_B
  2. Process_B does have in imput the Process_A
Result of the product system Process_A impact calculation is very strange (lot of very negative values)
in openLCA by (890 points)

1 Answer

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When you get negative values because of a loop, it is because the loop consumes more than it provides: a process that produces a product needs more of its own product over the loop than it can produce. Such a loop is not correct, you need to check the amounts of your inputs and outputs. You can share your example and we can check.
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