[Bldg-sim] Modelica Buildings Library 7.0.0 and BuildingsPy 2.1.0 released

Michael Wetter mwetter at lbl.gov
Thu May 28 10:34:09 PDT 2020

LBNL released the Modelica Buildings Library 7.0.0, which is based on the
Modelica IBPSA Library (https://github.com/ibpsa/modelica), and it released
BuildingsPy 2.1.0 for scripting Modelica simulations and development.

The Modelica Buildings Library Version 7.0.0 is a major release that
contains various new packages, new models and improvements to existing

The following major changes have been done:


   New packages have been added to model building controls and to support
   the creation of emulators that compare the performance of building control
   sequences in the Building Optimization Performance Tests framework
   BOPTEST <https://github.com/ibpsa/project1-boptest>.

   Various new control blocks have been added to the Control Description
   Language CDL.

   Various new equipment models have been added, such as models of
   absorption chillers, CHP equipment and heat pumps.

   The reduced order building models now also allow modeling air moisture
   and air contaminant balance.

   A tutorial has been added to explain how to implement control sequences
   using the Control Description Language that is being developed in the
   OpenBuildingControl <https://obc.lbl.gov> project .

   The icons of many components have been updated so that they visualize
   temperatures, flow rates or control signals while the simulation is running.

   Results of the ANSI/ASHRAE Standard 14 validation (BESTEST) are now
   integrated in the users' guide

The library has been tested with Dymola 2020x and 2021, JModelica (revision
14023), and OPTIMICA (revision OCT-stable-r12473_JM-r14295).

For a detailed list of changes, see

For more information and download, visit

The development sites are https://github.com/lbl-srg/modelica-buildings and
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