<div dir="ltr"><div dir="ltr">
<p style="margin-left:0.08in;margin-right:0.08in;margin-bottom:0.08in;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;line-height:115%;background:transparent">
<font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">The
Modelica Buildings Library 10.0.0 and 9.1.1, and BuildingsPy 5.0.0, were released on
September 5, 2023.</font></font></font></p>
<p style="margin-left:0.08in;margin-right:0.08in;margin-bottom:0.08in;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;line-height:115%;background:transparent">
<font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">The Modelica Buildings Library version
9.1.1 is backward compatible with 9.1.0, while version 10.0.0
contains various new models.</font></font></font></p>
<h2 style="margin:0.17in 0.08in 0.08in;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;line-height:110%;font-family:"Liberation Serif",serif;font-size:18pt;background:transparent;break-after:avoid"><a name="m_-1395212157035921105_the-following-major-changes-have-been-done-for-the-modelica-buildings-library-1000"></a>
<font color="#022e4d"><font face="inherit"><font style="font-size:11pt"><b>The
following major changes have been done for the Modelica Buildings
Library 10.0.0:</b></font></font></font></h2>
<ul>
<li><p style="margin-right:0.08in;margin-bottom:0.08in;line-height:115%;background:transparent">
<span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">A
package with configurable template models for variable air volume
flow systems with control based on ASHRAE Guideline 36 has been
added to the package </font></font></font></span><a href="https://simulationresearch.lbl.gov/modelica/releases/v10.0.0/help/Buildings_Templates.html" style="color:rgb(0,0,128)" target="_blank"><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#750000"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt"><u><span style="background:transparent">Buildings.Templates</span></u></font></font></font></span></a><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">.</font></font></font></span></p>
</li><li><p style="margin-right:0.08in;margin-bottom:0.08in;line-height:115%;background:transparent">
<span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">Reduced
order building envelope models based on the ISO 13790:2008 Standard
have been added. This allows modeling of building envelope heat
transfer either with a detailed Modelica multizone model
(</font></font></font></span><a href="https://simulationresearch.lbl.gov/modelica/releases/v10.0.0/help/Buildings_ThermalZones_Detailed.html" style="color:rgb(0,0,128)" target="_blank"><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#750000"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt"><u><span style="background:transparent">Buildings.ThermalZones.Detailed</span></u></font></font></font></span></a><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">),
with EnergyPlus via the Spawn coupling
(</font></font></font></span><a href="https://simulationresearch.lbl.gov/modelica/releases/v10.0.0/help/Buildings_ThermalZones_EnergyPlus_9_6_0.html" style="color:rgb(0,0,128)" target="_blank"><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#750000"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt"><u><span style="background:transparent">Buildings.ThermalZones.EnergyPlus_9_6_0</span></u></font></font></font></span></a><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">),
or with reduced order models based on ISO 13790
(</font></font></font></span><a href="https://simulationresearch.lbl.gov/modelica/releases/v10.0.0/help/Buildings_ThermalZones_ISO13790.html" style="color:rgb(0,0,128)" target="_blank"><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#750000"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt"><u><span style="background:transparent">Buildings.ThermalZones.ISO13790</span></u></font></font></font></span></a><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">)
or based on VDI 6007 (</font></font></font></span><a href="https://simulationresearch.lbl.gov/modelica/releases/v10.0.0/help/Buildings_ThermalZones_ReducedOrder.html" style="color:rgb(0,0,128)" target="_blank"><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#750000"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt"><u><span style="background:transparent">Buildings.ThermalZones.ReducedOrder</span></u></font></font></font></span></a><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">).</font></font></font></span></p>
</li><li><p style="margin-right:0.08in;margin-bottom:0.08in;line-height:115%;background:transparent">
<span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">Various
models for district energy systems have been added to the
package </font></font></font></span><a href="https://simulationresearch.lbl.gov/modelica/releases/v10.0.0/help/Buildings_Experimental.html" style="color:rgb(0,0,128)" target="_blank"><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#750000"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt"><u><span style="background:transparent">Buildings.Experimental</span></u></font></font></font></span></a><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">.
This package includes models for</font></font></font></span></p>
<ul>
<li><p style="margin-right:0.08in;margin-bottom:0in;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;line-height:115%;background:transparent">
<font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">combined
heating and cooling district energy systems that operate near
ambient temperature (sometimes called 5th generation district
energy systems),</font></font></font></p>
</li><li><p style="margin-right:0.08in;margin-bottom:0in;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;line-height:115%;background:transparent">
<font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">Energy
Transfer Stations (ETS) with all electric plants with heat recovery
chillers,</font></font></font></p>
</li><li><p style="margin-right:0.08in;margin-bottom:0in;line-height:115%;background:transparent">
<span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">ETS
with multiple heat pumps (heat recovery as well as air-source heat
pumps) and storage, i.e., the so-called Time-Independent Energy
Recovery (TIER) plant in
(</font></font></font></span><a href="https://simulationresearch.lbl.gov/modelica/releases/v10.0.0/help/Buildings_Experimental_DHC_Plants_Combined.html#Buildings.Experimental.DHC.Plants.Combined.AllElectricCWStorage" style="color:rgb(0,0,128)" target="_blank"><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#750000"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt"><u><span style="background:transparent">Buildings.Experimental.DHC.Plants.Combined.AllElectricCWStorage</span></u></font></font></font></span></a><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">),</font></font></font></span></p>
</li><li><p style="margin-right:0.08in;margin-bottom:0in;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;line-height:115%;background:transparent">
<font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">direct
and indirect ETS for heating or for cooling, and</font></font></font></p>
</li><li><p style="margin-right:0.08in;margin-bottom:0in;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;line-height:115%;background:transparent">
<font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">district
steam systems.</font></font></font></p>
</li></ul>
</li><li><p style="margin-right:0.08in;margin-bottom:0.08in;line-height:115%;background:transparent">
<span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">A
package with all major hydronic configurations that are encountered
in heating and cooling systems has been added
in </font></font></font></span><a href="https://simulationresearch.lbl.gov/modelica/releases/v10.0.0/help/Buildings_Fluid_HydronicConfigurations.html" style="color:rgb(0,0,128)" target="_blank"><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#750000"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt"><u><span style="background:transparent">Buildings.Fluid.HydronicConfigurations</span></u></font></font></font></span></a><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">.
This package also includes automatic sizing of control valves to
obtain suitable valve authority.</font></font></font></span></p>
</li><li><p style="margin-right:0.08in;margin-bottom:0.08in;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;line-height:115%;background:transparent">
<font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">The
fan and pump models have been revised, and can now be configured to
compute the part load efficiency based on the Euler number.</font></font></font></p>
</li><li><p style="margin-right:0.08in;margin-bottom:0.08in;line-height:115%;background:transparent">
<span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">Various
new elementary control blocks have been added to
the </font></font></font></span><a href="https://simulationresearch.lbl.gov/modelica/releases/v10.0.0/help/Buildings_Controls_OBC_CDL.html" style="color:rgb(0,0,128)" target="_blank"><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#750000"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt"><u><span style="background:transparent">Buildings.Controls.OBC.CDL</span></u></font></font></font></span></a><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt"> package
to provide a reference implementation of the ASHRAE Standard
231P </font></font></font></span><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt"><i>Control
Description Language</i></font></font></font></span><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt"> that
is currently being developed. See also </font></font></font></span><a href="https://obc.lbl.gov/" style="color:rgb(0,0,128)" target="_blank"><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#750000"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt"><u><span style="background:transparent">obc.lbl.gov</span></u></font></font></font></span></a><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">.</font></font></font></span></p>
</li></ul>
<p style="margin-left:0.08in;margin-right:0.08in;margin-bottom:0.08in;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;line-height:115%;background:transparent">
<font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">The
library has been tested with Dymola 2023x, OpenModelica 1.22.0-dev
(41-g8a5b18f-1), OPTIMICA 1.43.4 and recent versions of Impact.</font></font></font></p>
<p style="margin-left:0.08in;margin-right:0.08in;margin-bottom:0.08in;line-height:115%;background:transparent">
<span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">For
a detailed list of changes to Buildings 10.0.0 and 9.1.1,
see </font></font></font></span><a href="https://simulationresearch.lbl.gov/modelica/releases/v10.0.0/help/Buildings_UsersGuide_ReleaseNotes.html" style="color:rgb(0,0,128)" target="_blank"><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#750000"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt"><u><span style="background:transparent">https://simulationresearch.lbl.gov/modelica/releases/v10.0.0/help/Buildings_UsersGuide_ReleaseNotes.html</span></u></font></font></font></span></a><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">.</font></font></font></span></p>
<h2 style="margin:0.17in 0.08in 0.08in;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;line-height:110%;font-family:"Liberation Serif",serif;font-size:18pt;background:transparent;break-after:avoid"><a name="m_-1395212157035921105_the-following-changes-have-been-done-for-buildingspy-500"></a>
<font color="#022e4d"><font face="inherit"><font style="font-size:11pt"><b>The
following changes have been done for BuildingsPy 5.0.0:</b></font></font></font></h2>
<ul>
<li><p style="margin-right:0.08in;margin-bottom:0.08in;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;line-height:115%;background:transparent">
<font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">Added
buildingspy.simulate.OpenModelica to support simulation with
OpenModelica, and refactored modules for simulation with Dymola and
Optimica.</font></font></font></p>
</li><li><p style="margin-right:0.08in;margin-bottom:0.08in;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;line-height:115%;background:transparent">
<font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">In
buildingspy/simulate/base_simulator.py, updated separator for
MODELICAPATH on Windows.</font></font></font></p>
</li><li><p style="margin-right:0.08in;margin-bottom:0.08in;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;line-height:115%;background:transparent">
<font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">In
buildingspy/simulate/base_simulator.py, added support for libraries
with encrypted top-level package.moe file.</font></font></font></p>
</li><li><p style="margin-right:0.08in;margin-bottom:0.08in;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;line-height:115%;background:transparent">
<font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">Corrected
bug in buildingspy/development/refactor.py that causes renames to
fail on Windows.</font></font></font></p>
</li><li><p style="margin-right:0.08in;margin-bottom:0.08in;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;line-height:115%;background:transparent">
<font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">Corrected
bug in buildingspy/development/regressiontest.py in parsing .mos
scripts with simulateModel command on multiple lines.</font></font></font></p>
</li><li><p style="margin-right:0.08in;margin-bottom:0.08in;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;line-height:115%;background:transparent">
<font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">Added
class buildingspy.development.simulationCompare that compares the
simulation performance across tools or git branches.</font></font></font></p>
</li><li><p style="margin-right:0.08in;margin-bottom:0.08in;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;line-height:115%;background:transparent">
<font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">Refactored
regression tests for Dymola to allow specifying a time out for each
tests, and set the default time out to 300 seconds.</font></font></font></p>
</li><li><p style="margin-right:0.08in;margin-bottom:0.08in;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;line-height:115%;background:transparent">
<font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">Add
option to exclude simulation of models from Dymola CI tests.</font></font></font></p>
</li></ul>
<p style="margin-left:0.08in;margin-right:0.08in;margin-bottom:0.08in;line-height:115%;background:transparent">
<span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">For
more information and download of the Modelica Buildings Library and
of BuildingsPy, visit </font></font></font></span><a href="https://simulationresearch.lbl.gov/modelica/" style="color:rgb(0,0,128)" target="_blank"><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#750000"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt"><u><span style="background:transparent">https://simulationresearch.lbl.gov/modelica/</span></u></font></font></font></span></a><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal"><font color="#022e4d"><font face="Helvetica Neue, Helvetica, Arial, sans-serif"><font style="font-size:11pt">.</font></font></font></span></p></div></div>