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2018 06 14 library development
Date: June 14, 2018, 8am-9am Pacific Times
The purpose of this meeting is to coordinate the development https://github.com/ibpsa/modelica-ibpsa
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- IBPSA library release 2.0.0
- Glycol concentration is mass fraction. Is this customary, should volume fraction be used, what uses EnergyPlus?
- New borefield model. See https://github.com/ibpsa/modelica-ibpsa/tree/issue422b_borefield
- Block to overwrite and to send control signals via web request. See https://github.com/ibpsa/modelica-ibpsa/issues/926
- Update to Dymola 2019
- Dirk Zimmer's paper "Robust modeling of directed thermofluid flows in complex networks", page 39 at https://www.modelica.org/events/modelica2018japan/conference-proceedings/modelica-final-proceedings-2018-Japan.pdf
- Library restructuring: https://github.com/ibpsa/modelica-ibpsa/issues/778
- Open pull requests and issues at https://github.com/ibpsa/modelica-ibpsa/issues
Make 2.0.0 release, and after the non-backward compatible changes are merged, we can do another release when needed by IDEAS or AixLib.
See also https://github.com/ibpsa/project1/wiki/2018-02-27-expert-meeting-agenda#wp-11
EnergyPlus uses mass fraction for antifreeze, hence no change is needed to the current implementation of the antifreeze.
Close agreement between analytical solution and FD for radial heat conduction. MPC requires to update the soil temperatures near the borehole, which may be obtained from the analytical solution. Needs further discussion about how to update temperature near borehole for MPC in order to have a correct computation.
No discussion, awaiting for pull request to further review.
Michael to update the reference results for Dymola 2019. Plan is to do it next week.
No discussion.
No discussion.
Michael presented initial implementation. Source and sink are now two different models. Need to understand if or when oscillations can occur. The fast dynamics are not good if models are used with MPC. This needs further analysis.
No discussion.
See https://github.com/ibpsa/modelica-ibpsa/issues
Michael to make release 2.0.0.
Michael to update reference results for Dymola 2019.
None.