Simulation Setup error

[farahamiruddin]

Hi, anybody can help me. Im kinda stuck in here. What should i do?

[goncalves]

Hi @farahamiruddin,

Thanks for posting your question!
Could you please share the project link here? It would be great to take a close look at that. But for now, if you’re trying to setup an incompressible flow analysis, please take a look at this topic below.

"A setup regions is being used in a single-region analysis type"

Hi! The issue here is simple: under normal circumstances for incompressible analyses, we need a single volume, representing the flow region, to run the simulation. If your CAD model has more than 1 volume, you will run into multi-region errors down the line. [image] The flow region, as I mentioned, is what we want. Solid1 is the part causing issues. The remedy here is very simple: head back to CAD mode, create a delete body operation and delete solid1. [image] The resulting model should b…

best,

[farahamiruddin]

Here the link of my project.

SimScale Login

[goncalves]

Hi @farahamiruddin,

I see that you have an opened geometry representing an environment/room. That seems a good CAD model but the main point here is that you need to extract the fluid part of this CAD model (In other words, you have a CAD model made of solids, which is correct, so now the next step is to get the negative part of this CAD geometry, which means the volume where the air goes through.
Please take a look at this page on how to extract the volume part of your CAD model, and then let us know if that helps you.

How to Create Flow Volume Extraction? | Knowledge Base | SimScale

best,