Creating (Compiling) Functional Mockup Units for co-simulation

asked 9 years ago

gmolina

283 ●1 ●8 http://www.igd.cl/

updated 9 years ago

__AmirRoth__

4446 ●5 ●17 http://bleedinggreenna...

Hi everyone,

I am working on a project that requires pretty complex co-simulation between energy and lighting software. I developed some tools for that in the past, but I would like to get the new technologies now.

I have been reading about Modelica and particularly FMUs. I think they are very cool and have a lot of potential, but I have not been able to find out how to compile one of those. Are any of you guys aware of tutorials or guides for this?

I would start by using them within EnergyPlus and/or OpenModelica

Thanks very much!

answered 9 years ago

Michael Wetter
1695 ●12 ●4 http://simulationresea...

How to export a model as an FMU is tool specific.

For example, see

exporting FMUs from JModelica: http://www.jmodelica.org/api-docs/use...
exporting FMUs from OpenModelica: https://www.openmodelica.org/doc/Open...
exporting an FMU from Dymola using a script, see https://github.com/lbl-srg/modelica-b...
OMEdit and Dymola also allow to export FMUs from their GUI.
exporting EnergyPlus as an FMU: http://simulationresearch.lbl.gov/fmu...

link

Comments

Thanks very much, Michael. But what I want to do is to create an FMU from a Radiance Model ... That is, calculating the daylighting and artificial lighting levels from Solar Position, Solar Radiation and Luminaire Power.

I believe I can create a script that (1) writes a C program, (3) compiles it to create an executable that (4) would work as a block (i.e. call it with the parameters and returns illuminance levels in a scene). However, I do not know how to pack that into a FMU... is it VERY HARD? is it Possible?

gmolina ( 9 years ago )

I suggest reading the FMI specification to understand the details about FMI/FMU: https://www.fmi-standard.org/download.... If you want to write your own FMU, I suggest looking at the FMUSDK webpage: http://www.qtronic.de/en/fmusdk.html. They provide some resources on how to create FMUs https://resources.qtronic.de/fmusdk/F....

Thierry Nouidui ( 9 years ago )

Thanks, guys! I guess this is all the information available, and seem to be enough for me. Will inform if any of this works.

Regards

gmolina ( 9 years ago )

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