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2019 07 10 library development
Date: July 10, 2019, 8am-9am Pacific Times The purpose of this meeting is to coordinate the development https://github.com/ibpsa/modelica-ibpsa
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- Update to Dymola 2020
- Block to overwrite and to send control signals (https://github.com/ibpsa/modelica-ibpsa/issues/1059).
- Condensing coil model.
- Regression testing
- Actuator model revision
- Update about refactoring of regression tests.
- New media in Pull Request for R410A, R134a, R290 and R744 from Aachen (Christian).
- Geothermal model
- Open pull requests and issues at https://github.com/ibpsa/modelica-ibpsa/issues
Once final version is released, update CI testing and make pull request. Tentatively to be done in August.
Michael and Filip to review and merge pull request.
Discussion of https://github.com/ibpsa/modelica-ibpsa/issues/1109#issuecomment-507283640
Donghun is looking at numerical issues and also on moving boundary approaches for partially wet coils.
Funnel is now integrated in BuildingsPy. All unit tests and plots are reported in html as a stream to html. Pending is last review by Filip and then process https://github.com/ibpsa/modelica-ibpsa/pull/1167
After the merge, the master branch of the IBPSA library need to be merged to all development branches (due to a new flag of BuildingsPy that suppresses the result verification for JModelica). Otherwise the CI tests will fail.
Need to design how/where to store results on a server.
No discussions.
PR is done for damper model, but numerical problems exist in one of the regression tests that computes slow. More iteration steps are taken inside the central flow domain where the flow rate is computed as a fraction of the nominal value plus a regularization term. The issue seems related to the regularization coefficient which scales with the inverse of the pressure drop difference between fully closed and fully open position for the required flow rate. When the required flow rate is close to nominal this leads to a very low order of magnitude.
No update from Aachen. Christian is now merging new refrigerants (R410A, R134a, R290 and R744), pull request should be done later this week.
Bo Shen from ORNL developed a Media library that calls refprop.
In September will have a student working on borefield modeling.
Will series connections be added for borefield. Massimo plans to work on it with a new student.
See https://github.com/ibpsa/modelica-ibpsa/issues
Antoine to make PR to change "Nominal condition" to "Nominal conditions", and "Flow Coefficient" to "Flow coefficients".
Michael to make last review of block to overwrite control signals and then PR to merge to master branch (https://github.com/ibpsa/modelica-ibpsa/issues/1059).
Michael to update to Dymola 2020 when it is released.