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Replace fluid pass-through with fixed resistance in actuators#4228

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mwetter merged 9 commits intomasterfrom
issue4227_fixedResistanceActuators
May 15, 2025
Merged

Replace fluid pass-through with fixed resistance in actuators#4228
mwetter merged 9 commits intomasterfrom
issue4227_fixedResistanceActuators

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@AntoineGautier
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@AntoineGautier AntoineGautier commented May 7, 2025

This is for #4227.

Note that with this PR, the parameter m_flow_nominal needs to be assigned a non-zero value (via the parameter record) even if the damper or valve type is set to None. Previously, this parameter could be left unassigned (since it was declared with a start attribute and a Dialog(enable=false) annotation).

This is not seen as an issue for the template development because a default value can always be provided as in:
https://github.com/lbl-srg/modelica-buildings/blob/master/Buildings/Templates/AirHandlersFans/Data/VAVMultiZone.mo#L38-L45
or:
30ec283#diff-acd47242c40cc65fce0b368f54ca2b640e80b9ca5774dab11288ae2bd81cb934

In the equipment schedule page of ctrl-flow (to be developed), the whole parameter record is disabled if the type is None, which should prevent requesting a value for m_flow_nominal.

@AntoineGautier AntoineGautier force-pushed the issue4227_fixedResistanceActuators branch from 7b744e8 to fc879c0 Compare May 8, 2025 14:38
@AntoineGautier AntoineGautier force-pushed the issue4227_fixedResistanceActuators branch from 88d6012 to bb83c70 Compare May 12, 2025 13:24
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mwetter commented May 15, 2025

@AntoineGautier : Is this ready to merge or more work needed from your end? I plan to bump the version number to 12.1.0, so merging this before will avoid a merge conflict.

@AntoineGautier
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Yes, ready to merge on my end.

@mwetter mwetter merged commit f4534df into master May 15, 2025
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@mwetter mwetter deleted the issue4227_fixedResistanceActuators branch May 15, 2025 15:19
mwetter added a commit that referenced this pull request May 17, 2025
* fixed typo (#4173)

* IBPSA Sync - wind cut off power, kMeans for borefield, and line thickness (#4179)

* Merged IBPSA with correction to line thickness

* Updated reference link to the climate constant (#4187)

* Issue4183 damper example (#4185)

* Fixes OMC issue #13800 (#4184)

---------

Co-authored-by: Francesco Casella <francesco.casella@polimi.it>

* Issue2884 pid autotuning (#2957)

Implemented auto-tuning PID controller.

* Updated conversion script to remove clear commands (#4202)

For #4200

* Add missing header files and correct type comparison in Utilities.Plotter (#4211)

* Added missing header files

For #4209 and #4210

* Corrected comparison of boolean with real

* Reformulated function to avoid binding equation not a parameter expression warning

For 4215

* Reformulated function to avoid binding equation not a parameter expression warning (#4216)

For 4215

* Guarded against rounding error for wind cutoff (#4229)

This is for #4224

* Correct error in UA_nominal calculation of Merkel cooling tower (#4226)

* Changed UA_nominal calculation. Added validation model

For #4189

---------

Co-authored-by: Katy Hinkelman <44682485+khinkelman@users.noreply.github.com>

* Update FMI library (#4207)

* Update CMakeLists.txt for FMIL3 (#4198)

* Built fmi library

* Generated binaries and Windows and Linux

* Updated revision notes

---------

Co-authored-by: Robin Andersson <robin.andersson@modelon.com>

* Corrected wrong type comparison (#4235)

For #4233

* Update dymola image (#4239)

This updates the docker image.

* Replace fluid pass-through with fixed resistance in actuators (#4228)

* Replace fluid pass-through with fixed resistance in actuators

* Fix for ambiguous argument 'origin/master'

---------

Co-authored-by: Jianjun Hu <JianjunHu@lbl.gov>
Co-authored-by: Francesco Casella <francesco.casella@polimi.it>
Co-authored-by: Katy Hinkelman <44682485+khinkelman@users.noreply.github.com>
Co-authored-by: Robin Andersson <robin.andersson@modelon.com>
Co-authored-by: Antoine Gautier <agautier@solamen.fr>
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2 participants