2025 09 17_meeting - lbl-srg/soep GitHub Wiki

SOEP Coordination meeting

Date: September 17, 2025, 8:15am-9am Pacific Times

The purpose of this meeting is to coordinate the Modelica integration for SOEP.

Meeting information

Join from PC, Mac, Linux, iOS or Android: https://lbnl.zoom.us/my/mwetter

Or iPhone one-tap (US Toll): +14086380968,6614042296# or +16465588656,6614042296#

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

Agenda

  1. Previous action items
  2. AOP alignment
  3. Auto-sizing
  4. OpenStudio integration
  5. Modelica Buildings Library
  6. Kyle, Michael: EnergyPlus-Modelica coupling.
  7. Other items

Participants

Kyle Benne
David Blum
Karthik Devaprasad
Jianjun Hu
Sen Huang
Michael Wetter

Minutes

AOP alignment

LBNL: 4/30/25, Modelica Buildings Library ready for first OpenStudio workflow from Spawn that includes an auto-sized HVAC system.

Sizing

Draft specification at https://lbl-srg.github.io/soep/softwareArchitecture.html.

Pending: If Modelica askes for sizing of a zone that has not the sizing information, need to improve logging to user. Documentation still needs to be revised.

Update C code for new json file.

OpenStudio integration

No discussion. Made progress on MVP; discuss in two weeks.

Modelon

No discussion.

Modelica Buildings Library

Backlog on fixing various issue.

PNNL priority is zone side templates.

PNNL has milestones for end of FY to implement heat pump water heater, mostly using existing classes. PNNL to make verification of heat pump water heater.

ORNL latent wheel: This will be update after the thermal wheel is done due to dependencies:

First Jianjun to finish DX dehumidifier https://github.com/lbl-srg/modelica-buildings/pull/3475

Finish air filter, PR to master is https://github.com/lbl-srg/modelica-buildings/pull/3676 (air filter)

Currently Sen is working on template for DOAS.

EnergyPlus-Modelica coupling

Spawn related PR at https://github.com/lbl-srg/modelica-buildings/projects/2

Issues are at https://github.com/lbl-srg/modelica-buildings/issues?q=is%3Aissue+is%3Aopen+label%3Aspawn

Next, work on https://github.com/lbl-srg/modelica-buildings/projects/2

OS compatibility matrix is at https://github.com/NREL/OpenStudio/wiki/OpenStudio-SDK-Version-Compatibility-Matrix

Other items

None.

New action items

None.

Previous action items

Focus on finishing pending PRs.

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