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How to combine CFD simulations with OpenStudio & EnergyPlus ?

asked 2018-06-13 11:58:06 -0500

updated 2018-06-13 13:36:51 -0500

CFD simulations are often used for detailed airflow studies which cannot be simulated with EnergyPlus (as accurately). Does anyone have any experience with feeding CFD simulation results as external data (dynamically) into EnergyPlus models - if at all possible ? Can anyone give recommendations on the subject ?

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DesignBuilder has a CFD module. I'm not sure if it feeds into EnergyPlus the way that you want, but worth exploring. There is also Butterfly from Ladybug Tools. Again, not sure about integration.

__AmirRoth__ gravatar image__AmirRoth__ ( 2018-06-13 13:38:47 -0500 )edit

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answered 2018-06-14 03:15:14 -0500

Dave gravatar image

DesignBuilder has a CFD module that is coupled to EnergyPlus. You can import DesignBuilder EnergyPlus simulation outputs at the selected simulation time-step and feed them into the CFD calculation as boundary conditions for surface temperatures, opening airflows etc. You need to select the results at a specific time so it isn't dynamic/automatic but the import process is automated once selected. There is a webinar on the DesignBuilder website (Training > Online Learning > Webinars) that shows the basic process.

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Asked: 2018-06-13 11:58:06 -0500

Seen: 119 times

Last updated: Jun 14