SWAN™ is a software in continuous development. In this section the most recent releases are reported.
Year 2021
SWAN™ v.21.0 (Build 1847) – Released on February 15th 2021
- Design
- Minor bug on automatic elliptical aperture shaping has been fixed.
- Analysis
- Max field strength now also include coupling slots when present.
Year 2020
SWAN™ v.20.0 (Build 1846) – Released on December 15th 2020
- Design, Analysis, Slot Model
- New feature: SWAN can now handle 4GB RAM instead of 2GB, thus almost doubling the maximum array size up to 40K slots and more.
- Updated User Manual (Version 20.0).
- Design, Analysis
- Minor improvements on GUI
- Design
- New feature: A very useful “Reload” button had been added, to quickly refresh the slot model list when a slot model is updated or a new slot model is saved in Slot Model.
- Bug on rotational symmetry option has been fixed.
SWAN™ v.20.0 (Build 1845) – Released on September 9th 2020
- Design, Analysis, Slot Model
- Updated User Manual (Version 20.0).
- Design, Analysis
- Minor improvements on GUI .
- Analysis
- 3D Radiation pattern phase plot has been improved.
SWAN™ v.20.0 (Build 1844) – Released on August 6th 2020
- Design, Analysis
- New feature: Rotational symmetry can now be forced also for large and complex structures with arbitrary geometry.
- Minor bug on DXF export has been removed.
- New feature: Rotational symmetry can now be forced also for large and complex structures with arbitrary geometry.
SWAN™ v.20.0 (Build 1843) – Released on July 31st 2020
- Design, Analysis
- New feature: Layout DXF export now include Z-axis coordinate, thus making the 3D model generation on any 3D CAD software even simpler.
- New feature: Flared/baffled slotted waveguide array design and analysis is now possible.
- New feature: Planar arrays can now be designed and analyzed also with periodic boundary conditions.
- Edge diffraction effects on mutual coupling has been strongly improved.
- New feature: Layout DXF export now include Z-axis coordinate, thus making the 3D model generation on any 3D CAD software even simpler.
- Analysis
- New feature: A very useful “Reload” button had been added, to quickly refresh the antenna data when a new synthesis is performed.
- Slot Model
- Updating slot models is made easier, as the slot model file name is now the default name in the save window.
SWAN™ v.20.0 (Build 1842) – Released on June 15th 2020
- Design, Analysis
- Minor bugs removed.
SWAN™ v.20.0 (Build 1841) – Released on June 1st 2020
- Design, Analysis, Slot Model
- Easier installation of new license has been implemented.
- Design, Analysis
- Improved accuracy (inclusion of higher mode TE01 in the internal mutual coupling – previously only higher mode TE20 was included).
Year 2019
SWAN™ v.19.0 (Build 1840) – Released on December 15th 2019
- Slot Model, Design, Analysis
- Improved accuracy in SIW modelling.
- Improved stability (swan_fix.exe and swan_reset.exe now present in “Troubleshooting” folder)
- Slot Model
- Improved accuracy for the slot model extraction based on external full-wave simulations.
- Improved internal engine accuracy.
- Design
- Major accuracy improvements.
SWAN™ v.19.0 (Build 1839) – Released on November 9th 2019
- Analysis
- Major accuracy improvement.
SWAN™ v.19.0 (Build 1838) – Released on October 16th 2019
- Design, Analysis
- Improved SIW model accuracy.
- Minor bugs removed.
SWAN™ v.19.0 (Build 1837) – Released on September 9th 2019
- Slot Model, Design, Analysis
- “Troubleshooting” folder has been included, with a number of useful tools.
- Slot Model
- Improved slot model accuracy when external full-wave simulations are used for the slot model extraction.
- Analysis
- Improved graphics for 3D monitors.
SWAN™ v.19.0 (Build 1836) – Released on April 18th 2019
- Design
- Theoretical array performance gives now more info.
Year 2018
SWAN™ v.18.0 (Build 1835) – Released on September 30th 2018
- Design, Analysis
- Software accuracy for lossy waveguides has been improved.
SWAN™ v.18.0 (Build 1834) – Released on September 20th 2018
- Slot Model, Design, Analysis
- Software stability has been further improved.
SWAN™ v.18.0 (Build 1833) – Released on August 18th 2018
- Slot Model, Design, Analysis
- Improved accuracy in the slot equivalent circuit and mutual coupling calculation.
SWAN™ v.18.0 (Build 1832) – Released on July 23rd 2018
- Slot Model, Design, Analysis
- Substrate Integrated Waveguide (SIW) modeling have been improved and some minor bugs have been removed.
SWAN™ v.18.0 (Build 1831) – Released on January 22nd 2018
- Slot Model, Design, Analysis
- Minor bugs removed.
Year 2017
SWAN™ v.17.0 (Build 1830) – Released on November 20th 2017
- Analysis
- Array Layout DFX Export – multi-section arrays: bug removed.
- New feature: Gain Accuracy. Now gain accuracy can be defined or gain computation can be disabled, in many cases allowing for strong simulation time reduction, especially for large arrays (thousands of slots).
- Design
- Array Layout DFX Export – multi-section arrays: bug removed.
- Array theoretical performance estimation has been improved (“Theoretic” button).
- Complex Excitation synthesis: bug removed.
SWAN™ v.17.0 (Build 1829) – Released on September 20th 2017
- Analysis
- Array Layout DFX Export – multi-section arrays with holes on the aperture: bug removed.
- Design
- Slot Model: E.M. Internal Engine (I.E.) minor bug removed.
- Array Layout DFX Export – multi-section arrays with holes on the aperture – bug removed.
SWAN™ v.17.0 (Build 1828) – Released on June 15th 2017
- Analysis
- Tilted beam plot: minor bug fixed.
- Design
- Short circuit compensation: accuracy improved.
SWAN™ v.17.0 (Build 1827) – Released on April 20th 2017
- Design
- E/H-plane symmetry plane: minor bug fixed.
- Slot Model, Design, Analysis
- Licence stability issues have been solved. No more software crashes.
- Licence stability issues have been solved. No more software crashes.
SWAN™ v.17.0 (Build 1826) – Released on January 23rd 2017
- Slot Model, Design, Analysis
- Minor bugs removed.
- Minor bugs removed.
Year 2016
SWAN™ v.16.0 (Build 1825) – Released on November 17th 2016
- Design
- Complex Excitation synthesis: bug removed.
- Centre-inclined coupling slot synthesis has been improved.
- Analysis
- New feature: Mask filename used for complex excitation synthesis has been added on the GUI.
- New feature: 2D radiation patterns can be now also plotted in normalized mode.
- Minor bugs removed.
SWAN™ v.16.0 (Build 1824) – Released on August 19th 2016
- Design
- Complex Excitation synthesis: minor bug removed.
SWAN™ v.16.0 (Build 1823) – Released on August 08th 2016
- Design
- New feature: E-plane complex excitation synthesis now also possible with feeding WG sections.
- E-plane complex excitation synthesis strongly improved.
- Analysis
- New feature: 3D radiation pattern plot has been introduced.
- New feature: Montecarlo analysis now includes information on E-field strength and maximum power handling (feature available only if Montecarlo Analysis is an active option).
- Improved visualization of 3D field monitors.
SWAN™ v.16.0 (Build 1822) – Released on June 07th 2016
- Slot Model
- GUI Settings: when opening the module, parameters of the last extracted model will be restored.
- Design
- New feature: Load/Save Design Settings. It is now possible to load and save current design parameter settings.
- Active Section GUI: bugs removed.
- Analysis
- VSWR plot: optimized y range.
- Radiation Pattern Plots: zoom function now active.
- Radiation Pattern Plots: Directivity and Gain curves can be enabled/disabled.
SWAN™ v.16.0 (Build 1821) – Released on May 11th 2016
- Design, Analysis
- New feature: Full-wave mutual coupling. Increases the accuracy of mutual coupling calculation when using a dielectric radome.
- Radome modelling accuracy improved.
SWAN™ v.16.0 (Build 1820) – Released on April 18th 2016
- Design
- Export layout minor bugs fixed.
- Slot model interpolation accuracy improved.
- Analysis
- Export layout minor bugs fixed.
SWAN™ v.16.0 (Build 1819) – Released on April 07th 2016
- Slot Model
- Dielectric radome model accuracy improved.
- Design
- New feature: Save/Load Design Settings.
- New feature: “Smart Convergence” now includes: progressive excitation fitting, progressive mutual coupling weighting, progressive mutual coupling windowing, slot offset and length ranges optimization.
- Dielectric radome model accuracy improved.
- Analysis
- Save as BMP, JPG, TIFF fixed.
- Dielectric radome model accuracy improved.
SWAN™ v.16.0 (Build 1818) – Released on March 09th 2016
- Design
- Symmetric geometries synthesis: bug fixed.
- “Smart Convergence” has been strongly improved (progressive mutual coupling).
- Stability improved.
SWAN™ v.16.0 (Build 1817) – Released on February 24th 2016
- Design
- Antenna weight estimation (Kgs).
- More accurate antenna efficiency computation.
- Minor bugs removed.