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CHANGELOG.md

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Change Log

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

[3.0.0] - 2021-09-24

Added

  • Added visualisation of the network using the Network.display method
  • Added the ability to retrieve portions of the network through the __getitem__ method of the Network class.
  • Added export of portions of the network to graphviz dot format.
  • Added methods to return metrics for entire major systems (e.g. the devices) or for subsystems of the major systems (such as for station keeping).
  • Added ability to apply k_factors to components with given markers.

Changed

  • Refactored entire module to improve readability.
  • Changed API to use SubNetwork and Network classes to collect data and control execution.
  • Ideal components (with type "ideal") are not treated correctly (i.e. zero failure rate and infinite MTTF).
  • Components with type "n/a" are now removed from the network.

Removed

  • Removed pandas dependency.

Fixed

  • Fixed calculation of "star" network topologies (i.e. when multiple sub-hubs connect the devices).
  • Fixed bug when only moorings data was provided (i.e. substations are present. See DTOcean/dtocean#36

[2.0.0] - 2019-03-08

Changed

  • Stopped production of RAM_outputs.txt file.
  • mttfreq (to test if the calculated mttf is less than the value given) is now an optional input to the Variables class.
  • The Syshier.binomial method was moved to an independent function in the core module.
  • The Syshier.subsysmttf method was moved to an independent function in the core module.

Fixed

  • Fixed bug where foundations that were "not required" would break the assessment.
  • Fixed logical level for setting dummy userhierdict when the user networks are not supplied.
  • Fixed issue with electrical or moorings networks being supplied independently.
  • Fixed bug where direct-embedment anchors were not given a failure rate.
  • Fixed issue where inputs could be modified outside of the scope of the module.
  • Fixed bug when checking for subhubs in networks.
  • Fixed bug with float being passed to numpy.linspace for number of samples.

[1.0.0] - 2017-01-05

Added

  • Initial import of dtocean-economics from SETIS.