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2020 12 11 library development
Date: December 11, 2020, 8am-9am Pacific Times The purpose of this meeting is to coordinate the development https://github.com/ibpsa/modelica-ibpsa
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Updates to CI testing (Michael)
Dymola 2021x and MSL 4.0.0 (Michael)
Cooling coil (Donghun)
New state selection (Michael)
Refrigerant media (Christian Vering)
Steady-state sensors (Antoine Gautier)
Ethylene Glycol (Massimo)
Steam media (Michael)
Simplified door model (Michael)
CONTAM-style models (Klaas)
Update on geothermal models (Massimo)
Visual enhancements of PartialTwoPort
Progress on pull requests, https://github.com/ibpsa/modelica-ibpsa/pulls
https://github.com/ibpsa/modelica-ibpsa/pull/1430 To be merged once tests pass.
IDEAS is probably staying with MSL 3.2.3 for quite a while. Also JModelica would at some point need to be updated to MSL 4.0.0.
For now, keep at MSL 3.2.3.
In a few months, revisit. May make maintenance branch with MSL 3.2.3 dependency, or could update BuildingsPy so it downgrades from 4.0.0 to 3.2.3 during merging (or the other way around) as an option (would need testing).
Antoine and Donghun present new wet coil model, and its validation against the IBPSA wet coil model (that is in PR).
Needs some feedback from Filip as the IBPSA model also has some discrepancy at the design conditions for some cases.
IBPSA model is faster than fuzzy model, need some analysis if fuzzy model can be made faster by avoiding some calculations if they are not needed. Consider using Dymola's block timer for profiling.
Ongoing analysis, https://github.com/ibpsa/modelica-ibpsa/pull/1413
No discussion.
Issue at https://github.com/ibpsa/modelica-ibpsa/issues/1406 and benchmarks at https://github.com/lbl-srg/modelica-buildings/pull/2185
OK to merge if tests pass.
https://github.com/ibpsa/modelica-ibpsa/issues/1410
Katy implemented a steam model for low/medium pressures steam heating systems, https://github.com/ibpsa/modelica-ibpsa/issues/1389.
Uses linear or quadratic property functions for thermodynamic properties.
Next step is to do system simulation models.
https://github.com/ibpsa/modelica-ibpsa/issues/1353
Klaas made PR with additional models and refactored other models. Needs review. Model names should be made clearer (than what CONTAM is using now) and consistent with other models used in IBPSA.
Not clear if complexity of having either mass or volume flow is justified.
No discussion.
Issue https://github.com/ibpsa/modelica-ibpsa/issues/1280.
See notes on ticket.
No work yet.
No discussion.
For airflow models, make PR against a new branch.
Christian to work with Massimo on seeing what borefield measurement data Aachen could be providing. --> BS Publication in planning
Klaas to make pull request for new air flow models.
Fluid Property models (RWTH) RWTH intern development of R134a, R410A, R32, R407C, R290 and R744 merge in December, Paper in March Are there further fluid models of interest? We can add some more due to master's thesis.