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2021 06 02_meeting
Date: June 2, 2021, 8:15am-9am Pacific Times
The purpose of this meeting is to coordinate the Modelica integration for SOEP.
Join from PC, Mac, Linux, iOS or Android: https://lbnl.zoom.us/my/mwetter
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- Or Telephone:
- Dial: +1 408 638 0968 (US Toll) or +1 646 558 8656 (US Toll) Meeting ID: 661 404 2296 International numbers available: https://lbnl.zoom.us/zoomconference?m=_h5BuJ686mPy3rWEyKf4NROxLaeOV5J8
- Previous action items
- Modelon
- Stuart: FMI-QSS
- Kyle, Michael: EnergyPlus-Modelica coupling.
- Kyle, Michael: EnergyPlus I/O variables.
- Michael, Kyle: Support for radiant systems.
- Other items
Optimica license protection.
OS X and Linux builds.
Kyle works on JModelica integration, and once this works, swaps it against OCT.
Stuart is working on analysis with Modelon.
Stuart got OCT update, updates status page on test repository. Works first on full review of all test models with new OCT, then goes back to benchmark. Then works on default settings for QSS and goes back to AC control models, then to SimpleHouse.
Stuart to work on a small example that illustrates problems with zero crossing for discussion with Christian. Need a deterministic contract to handle them robustly.
Binary code freeze by April 2.
New blocker came up: https://github.com/lbl-srg/modelica-buildings/issues/2512 This shows that end-to-end testing is needed across all idf files distributed with EnergyPlus.
Issues are at https://github.com/lbl-srg/modelica-buildings/issues?q=is%3Aissue+is%3Aopen+label%3Aspawn
Next, work on
- Spawn FMUs are not yet self contained, https://github.com/lbl-srg/modelica-buildings/issues/2054
- [For FY21, Q2] Kyle to fix schedule: https://github.com/lbl-srg/modelica-buildings/issues/2000
- (Kyle either fixes it, or proposes new wording for https://lbl-srg.github.io/soep/softwareArchitecture.html#sending-input-to-energyplus)
- [For FY21, Q2] Kyle to look into numerical instability (walls may be initialized to wrong temperature). See for example Experimental/EnergyPlus/Examples/VAVReheatRefBldgSmallOffice/FloorOpenLoop. The temperature in the attic should not raise in the first hour. (Pending since Nov. 2019)
- Remove warnings issued by EnergyPlus, https://github.com/lbl-srg/modelica-buildings/issues/2220
- Support negative start time in EnergyPlus, https://github.com/lbl-srg/modelica-buildings/issues/1938
LBL AOP 9/30 (go/no-go): Release that can couple Modelica-based control to E+. OK to release in early 2021.
None.
None.
Work on open issues for release, https://github.com/lbl-srg/modelica-buildings/milestone/18