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2020.1 Release Notes – Jet Propulsion Library 1.6

Jet Propulsion Library v1.6 is part of Modelon’s 2020.1 release.

New versions of Modelon libraries are sold and distributed directly from Modelon, as well as approved resellers.

New features

  • To improve the debugging capabilities in failing models, a new “stack” variable has been added which will print the path of the failing component in the log message. A technical note is added which covers the details on how to use this feature.
  • Added new Mixed Turbofan example models in the library. Results for the models are validated with open-source NASA pyCycle package.

Improvements

  • New default values in PressureBoundary and AmbientBoundary: specifypDyn=true and specifywDyn=false, to ensure that pressures are always imposed in dynamic simulations.
  • Removing tool-specific workaround in the media implementation.
  • Updating specific enthalpy, specific entropy and specific heat capacity functions for air and combustion products to be C2-smooth.

Conversion of user libraries

  • Automatic conversion of user libraries from version 1.5 to 1.6 is supported using the included conversion script “Convert_to_1.6.mos” located under JetPropulsion 1.6\Resources\Scripts.

Requirements

  • JetPropulsion 1.6 is based on Modelon Base Library 3.5 and Modelica Standard Library 3.2.3.

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