August 4, 2023

Best Practices for Modeling Interacting Ponds

Posted by Jason Lillywhite

A new demonstration video was posted that can help you improve complex water balance models. In this video, I demonstrate how we can more clearly show the flows within a complex network of ponds.

I do this by comparing the difference between directly defining flows (see image on the left) and keeping actual flows separate from requests that drive the flows (see image on the right). Following these ideas can significantly improve the visualization of the system you are trying to model, especially when you have many flows being passed between components of your system.

This model demonstrates how to simulate the process of coordinating 2 ponds to maintain a target volume in one of the ponds to provide a reliable water supply. This model is set up with initially problematic logic that creates rapid oscillations. This setup also creates influence lines that doesn't show the flow of water, making it difficult to understand the model.
You can download a copy of the model from here: Drive Flows using Requests – GoldSim Help Center

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