EnergyPlus to FMU - Dymola
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Luis Carvalho
Jul 8, 2016, 9:40:29 AM7/8/16
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Dear developers and users,
I have a model in EnergyPlus and I'm exporting it to FMU to use as the example shown here http://simulationresearch.lbl.gov/fmu/EnergyPlus/export/index.html , connecting it to a PI controller in Dymola.
The model translation doesn't give any errors, however when I simulation the fmiInitializeSlave fails:
(...)
O1_1TZ_coupling_fmu: fmiInitializeSlave: Could not create the input and weather file. Initialization of O1_1TZ_coupling_fmu failed.
The following error was detected at time: 0
InitializeSlave failed
The stack of functions is:
O1_1TZ_coupling_fmu.fmi_Functions.fmiInitializeSlave
O1_1TZ_coupling_fmu.fmi_Functions.fmiInitializeSlave(
o1_1TZ_coupling_fmu.fmi,
o1_1TZ_coupling_fmu.fmi_StartTime,
o1_1TZ_coupling_fmu.fmi_forceShutDownAtStopTime,
o1_1TZ_coupling_fmu.fmi_StopTime,
o1_1TZ_coupling_fmu.fmi_AParamsAndStart+o1_1TZ_coupling_fmu.fmi_initInput0)
Error: Failed to start model.
O1_1TZ_coupling_fmu: fmiTerminateSlave: fmiFreeInstanceSlave must be called to free the FMU instance.
O1_1TZ_coupling_fmu: fmiFreeSlaveInstance: The function fmiFreeSlaveInstance of instance O1_1TZ_coupling_fmu is executed.
O1_1TZ_coupling_fmu: freeInstanceResources: O1_1TZ_coupling_fmu will be freed.
- The timesteps are the same, Dymola/FMU (600s), EnergyPlus(6),
- Store variables is Unchecked
- Coo-simulation is selected in Dymola (FMI-Import)
I'm using:
- Dymola 2016
- EnergyPlusV8-5-0
- EnergyPlusToFMU-v2.0.1
I think that this versions are all compatible.
You can find find in annex the FMU package if you'd like to test.
Does somebody came across the same error that can help me? I would be very grateful for your help.
Best Regards,
Luís Carvalho
Thierry Nouidui
Jul 8, 2016, 2:27:32 PM7/8/16
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Luis,
Thanks!
Thierry
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--------------------------------------
Thierry Stephane Nouidui, PhD
Simulation Research Group
Lawrence Berkeley National Laboratory
1 Cyclotron Road, MS 90R3147
Berkeley, CA 94720
(510) 495-2337 voice
email: TSNo...@lbl.gov
http://simulationresearch.lbl.gov
----------------------------------------
Thierry Stephane Nouidui, PhD
Simulation Research Group
Lawrence Berkeley National Laboratory
1 Cyclotron Road, MS 90R3147
Berkeley, CA 94720
(510) 495-2337 voice
email: TSNo...@lbl.gov
http://simulationresearch.lbl.gov
----------------------------------------
Message has been deleted
Thierry Nouidui
Jul 8, 2016, 3:24:44 PM7/8/16
to energyplus-fmu
Could you recreate the FMU? It seems to me like you are using an outdated version of idf-to-fmu-export-prep-win.exe.
I will therefore recommend to
1) make sure you use the latest version of EnergyPlusToFMU,
2) delete idf-to-fmu-export-prep-win.exe (is in the folder where the FMU was compiled) which might have been generated using previous version of EnergyPlusToFMU?
3) recompile the FMU.
Minor thing: I noticed that your IDF is for version 8.4 but you are using 8.5. This is certainly not the root of your current problem but might have some consequences when trying to run the model. I will therefore suggest to always upgrade your input file to the version of EnergyPlus you would like to use.
Luís
Luis Carvalho
Jul 9, 2016, 11:09:02 AM7/9/16
to energyplus-fmu
Hi Thierry,
Thank you for the instructions, i think the problem was due to not deleting the idf-to-fmu-export-prep-win.exe .
1 - I followed each step, upgraded the IDF to the newer version too, compiled and the previous error disappeared. However, when running the simulation the values of Troom and Q remain constant and Several Errors where shown in the ERR file (in annex).
2- I went back to the previous versions (EnergyPlustoFMU 1.06, EnergyPlus 8.4, .idf 8.4) and no Severe errors were shown, so the simulation is OK.
I'm using the same settings on the IDF as the fmu_export_schedule example, which defines a Schedule - Fraction and uses it in the OtherEquipment with a Design Level - 1 W. The heating setpoint on the PI controller is 21ºC.
However I was not expecting the behavior shown in the screenshot in annex. The Q input in the FMU has huge peaks, and so, the temperature of the room is going up to 50ºC, instead of just the 21º.
I have another building models developed in dymola where this PI control works, so I don't know if the problem is due to the timestep restriction (600s) that is influencing the PI (Ti:300s).
Do you know what can be causing this?
Regards,
Luís
Pascal Yamb
Jun 2, 2024, 4:44:25 PM6/2/24
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Jun 3, 2024, 8:51:36 AM6/3/24
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Anyone inexperienced with psychedelics should start at the lower end of the scale to see how golden teacher mushrooms affect them before increasing in dosage
Golden teachers are one of the best-known strains of the magic mushroom species Psilocybe cubensis. They are renowned for producing huge fruits, even in suboptimal growing conditions. Therefore, they have become a favorite among cultivators and are a mainstay of spore suppliers worldwide.
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Golden teachers are one of the best-known strains of the magic mushroom species Psilocybe cubensis. They are renowned for producing huge fruits, even in suboptimal growing conditions. Therefore, they have become a favorite among cultivators and are a mainstay of spore suppliers worldwide.
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Read on for our complete guide to golden teacher magic mushrooms, including their effects, potency, and potential benefits. We will also provide a brief overview of the growing process and explain why they are many mushroom lovers’ go-to strain.
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Of course, other factors also play a crucial role, such as one’s mindset, expectations, and environment. Dosage also has a significant impact on the overall experience. Therefore, it is essential to understand golden teachers’ potency and prepare adequately before ingestion.
https://t.me/Mushies_12
Golden Teacher Mushrooms Potency
Mushrooms are a natural product and can vary significantly in potency from one specimen to the next. Therefore, it isn’t easy to give an accurate figure.
https://t.me/Mushies_12
However, golden teacher mushrooms’ potency is generally considered moderate compared to other cubensis strains. For example, strains like penis envy and tidal wave are known for being much stronge
https://t.me/Mushies_12
In terms of psilocybin content, a 2021 review estimated that 1 gram of dried mushrooms contains approximately 10mg of psilocybin. However, the publication did not specify whether this figure applies to Psilocybe cubensis or another species.
https://t.me/Mushies_12
Golden Teacher Mushrooms Dosage
There is no standard golden teacher mushrooms dosage because everybody responds differently. Also, as we mentioned, there can be significant variations in potency from one mushroom to the next. Myriad factors can also affect the experience, with dosage being just one part of the equation.
https://t.me/Mushies_12
Anyone inexperienced with psychedelics should start at the lower end of the scale to see how golden teacher mushrooms affect them before increasing in dosage
Pascal Yamb
Jun 3, 2024, 6:14:59 PM6/3/24
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