Bug solved

• Modified a bug in importFields_cst method
• Solved a bug due to newer matplotlib version (>3.4)
• Now it is required a matplotlib version higher than 3.4

New version 1.4.0

• The way the additional properties are managed in the EM_Field class has been substantially changed. From the user side, this will affect the following methods:
  • EM_Field.compPowDens;
  • EM_Field.compDepPow;
  • RF_Coil.powerBalance;
  • RF_Coil.saveRFCoil: The RF_Coil instance is saved with a new file version;
  • RF_Coil.loadRFCoil: It is not be possible to load the RF_Coil instances saved with a previous version of CoSimPy.
• New methods are available:
  • A compQMatrix method is available for the EM_Field class;
  • A __getitem__ method is available for the EM_Field class;
  • A addProperty method is available for the EM_Field class;
  • A getProperty method is available for the EM_Field class;
  • A maskEMField method is available for the EM_Field class;
  • A plotEMField method is available for the EM_Field class. This method replaces the old plotB and plotE methods which will be removed in the next vesions of CoSimPy.
  • A plotProperty method is available for the EM_Field class.
• A nPorts property is added to the RF_Coil class;
• The __getitem__ method of the S_Matrix class is improved;
• Personalised exceptions are implemented to provide the user with a clearer feedback in case of errors.

Bug fixing

A bug in the "compSensitivities" method of the EM_Field class has been fixed

Repackaging and Minor Improvements

General repackaging of version 1.3.0.
The following minor improvements have been implemented:

RF_Coil

• Solved a bug in the saveRFCoil method when the RF coil is saved without description;
• Edited the status print of the saveRFCoil and loadRFCoil methods.

EM_Field

• Edited the status print of the importFields methods.

New version 1.3.0

• A new __sub__ method in the S_Matrix class allows to perform the cascade connection between the last port of a first S_Matrix instance and the first port of a second just as: S_res = S_1 - S_2;
• The importTouchstone method of the SMatrix class has been improved to fully support the v1.1. Touchstone® File Format Specification by IBIS. It will be possible to import also Z- and Y-parameters. Furthermore, providing to the method the relevant information through a dictionary, the same method will also be able to import a simple ascii file formatted by columns;
• An exportTouchstone method will be available in the S_Matrix class to export the S-, Z- or Y-parameters either according to the v1.1. Touchstone® File Format Specification by IBIS or to a columns formatted ascii file;
• Two new methods in the S_Matrix class (sMatrixOpen, sMatrixShort) will allow to generate an instance of a 1-port open or 1-port short over defined frequency values;
• The existing methods to generate T and PI circuits accept None arguments for longitudinal and transversal parameters respectively, to substitute them with short and open circuits respectively;
• The original S matrix, S0, is saved in way allowing for the external circuitry losses computation accounting for all the consecutive connections to the S0 matrix;
• A new method is available in the S_Matrix class (setAsOriginal) to set the S_Matrix instance resulting from the connections with external circutries as unconnected. In this way, during powerBalance, the connected circuitry losses will be assigned to the source “other”;
• A new method of the S_Matrix class (plotSPanel) allows to plot, in a single multipanel figure, the S parameters of a multiport device in dB;
• The importFields_cst method of the EM_Field class is improved to support the import of the electromagnetic field exported by CST as .h5 binary file;
• Two new methods of the RF_Coil class (saveRFCoil, loadRFCoil) allow to save and load the RF_Coil instance in proprietary binary files;
• New methods are available in the RF_Coil class (duplicatePortsParallel, duplicatePortsSeries) to duplicate existing ports of a simulated device;
• A new method is available in the RF_Coil class (connectPorts) to connect together two or more port pairs, through given circuitries, whose S matrices are properly given by the user.

Improvements & Bugs fixing

• Added three hidden properties to S_Matrix class allowing to store incident powers and original S matrix prior to a connection
• Added a method for voltages and currents computation at the supply ports of the S Matrix before and after loading
• Added a method for power balance computation
• Added a method for power loss density computation
• Added a method for power deposition computation
• sMatrixTrLine allows for transmission lines with characteristic impedances different from the port impedances

Bugs fixing

With respect to v1.1.0, the v1.1.1 presents the following improvements

• Solved issues with complex port impedances
• An error is raised if port impedances have a negative real part

Improvements & Bugs fixing

With respect to v1.0.0, the v1.1.0 presents the following improvements

• Modified the singularities management in __resSMatrix
• Added warnings
• Added info_warnings flag as **kwarg in S_Matrix.init method to allow for the print of additional information related to warnings
• Improved the touchstone file fixing

In addition, the following bugs have been fixed:

• Solved a bug in EM_Field.importFields_s4l

Others modifications made:

• Modified the default value of the parameter 'pkORrms' in EM_Field importFields_s4l

First release

v1.0.0

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