2026 04 01_meeting - lbl-srg/soep GitHub Wiki

SOEP Coordination meeting

Date: April 1, 2026, 8:15am-9am Pacific Times

The purpose of this meeting is to coordinate the development of the Modelica Buildings Library, including the integration with EnergyPlus and OpenStudio.

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. Quarterly reporting
  3. Auto-sizing
  4. OpenStudio integration
  5. Modelica Buildings Library
  6. Other items

Participants

David Blum
Jianjun Hu
Michael Wetter

Minutes

AOP alignment

FY26 AOPs.

LBNL: 5/30/26, release Modelica Buildings Library

Quarterly reporting

Need to assembly FY26 Q3 quarterly report of all labs (new format). Add contributions to google doc and google presentation by COB this Monday. Michael to set up later this or early next week.

Sizing

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

Issue: Latent cooling load is not yet properly reported.

Documentation still needs to be revised.

OpenStudio integration

No discussion.

Modelon

No discussion.

Modelica Buildings Library

Backlog on fixing various issue, focus on https://github.com/lbl-srg/modelica-buildings/milestone/30

PNNL priority is zone side templates.

PNNL has milestones for end of FY to implement heat pump water heater, mostly using existing classes. Karthik works on finishing it for the PR.

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

Finish DX dehumidifier https://github.com/lbl-srg/modelica-buildings/pull/3475

Finish direct evaporative cooler https://github.com/lbl-srg/modelica-buildings/pull/3755

ORNL is working on template for DOAS. Depends on air filter and dx dehumidifier.

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

Focus on release 13 milestone: https://github.com/lbl-srg/modelica-buildings/milestone/30

Previous action items

Focus on finishing pending PRs and addressing outstanding tickets.

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