Changes

=== EM.Cube R20R21.1 Release At A Glance ===

The new [[EM.Cube]] R20R21.1 release is the most powerful electromagnetic simulation suite EMAG Technologies Inc. has ever produced in its history of more than two decades. The new release offers a combination of state-of-the-art simulation capabilities that reflect the latest advances in computational electromagnetics (CEM) as well as productivity features requested by our valued users.

=== New EM.Picasso (Planar MoM) and EM.Libera (Surface MOM & Wire MOM) Features ===

*Improved planar mesh generation for structures with vertical vias of irregular shape and New source arrays of via objects strip gap, wire gap, probe gap and scattering port types with phased array and AESA capability including classic weight distribution types (One-Parameter Taylor-Kaiser, Taylor N-bar, Bayliss N-bar, etc.) and user-defined complex weights*New capability polarimetric scattering matrix sweep simulation as a special type of handling edge vias the RCS observable *Improved radiation pattern and RCS observables with partial elevation and azimuth angle definitions*Improved array factor definition for the radiation pattern observable with user defined amplitude and short thin vertical walls phase distribution including classic weight distribution types (finsOne-Parameter Taylor-Kaiser, Taylor N-bar, Bayliss N-bar, etc.) and user-defined complex weights

*New improved formulation of lossy dielectric surfaces and dielectric-coated PEC objects based on the method of equivalent current approximation (MECA)*New focused Gaussian beam sources*Huygens source arrays with amplitude and phase distributionhigher-order Hermite-Gauss modal profile*New polarimetric scattering matrix sweep simulation as a special type of the RCS observable === New Miscellaneous CubeCAD Features ===point transmitter source with user defined radiation pattern*Expanded material list Multi-transmitter source arrays with mechanical phased array and thermal propertiesAESA capability including classic weight distribution types (One-Parameter Taylor-Kaiser, Taylor N-bar, Bayliss N-bar, etc.) and user-defined complex weights*New list of available standard output parameters based on the project's observables*Improved Huygens source arrays with user defined amplitude and enhanced custom phase distribution including classic weight distribution types (userOne-defined) output parameters that can be updated instantly at postParameter Taylor-processing*New functionality added to "Consolidate" tool for converting special transform objects to generic solidKaiser, surface or curve objects *Improved "Random Group (CloudTaylor N-bar, Bayliss N-bar, etc.)" tool for more efficient Monte Carlo simulations*New capability added to "Roughen" tool for converting random roughened surfaces or objects to Polymesh objects for the purpose of freezing or export *New expanded graph controls for Matlaband user-style 2D and 3D plot typesdefined complex weights*New option for PO input file to enable/disable 3D visualization of far-field read mesh data during sweep simulationsfrom an externally generated file *New option for arbitrary translation and scaling polarimetric scattering matrix sweep simulation as a special type of 3D radiation and the RCS patterns in the sceneobservable *Enhanced array factor with phase progression for the Improved radiation pattern observable associated and RCS observables with a single radiating elementpartial elevation and azimuth angle definitions

=== New Python Capabilities CubeCAD Features ===

*New startup Python script*New Python commands for project Improved polymesh objects with mesh statistics, better control over primitives and file managementmore display options*New Python commands for getting and setting individual properties mesh generation scheme in CubeCAD based on the tessellated model of geometric objects *New Python commands for accessing individual objects from the navigation treerendering*New Python commands for identifying Improved STL import of large structures and accessing material groups and their object members in the navigation tree scenes *New Python commands for getting the coordinates of nodes of a nodal curveMore control over STL export including mesh type and resolution*New Python command for aligning one of the six faces of the bounding box of an object at Improved parametric surface generator with option to generate a certain coordinatepolymesh surface*New Python commands for retrieving the value of Improved parametric curve generator with option to generate a standard or custom output parameterpolyline *New Python command for setting the boundary conditions of [[EM.Ferma]]*New Python command for setting up a thermal simulation Hilbert space-filling curve option in [[EM.Ferma]]parametric curve generator*New Python commands for defining all the 18 types of field integrals in [[EM.Ferma]]*New Python command for creating generic spatial Cartesian data in CubeCAD, [[EM.Tempo]] Improved nodal curves (polyline and NURBS curve) and nodal surfaces (polystrip and [[EM.Ferma]]*New Python functions NURBS surface) with option for translating, rotating, scaling, aligning saving and mirroring all loading the objects in the project workspacenode data *New Python function for rotating a radiation pattern*New Python function for computing the radiation pattern of a generalized 3D array*New Python function commands for generating the radiation pattern of polylines and polystrips from a Huygens surface data file*New Python functions for summing, differencing and scaling of .RAD, .RCS, .SEN, .CAR, .HUY and .COV data files*New Python functions for averaging or a set of radiation pattern, RCS or received power coverage data filestext string *New Python function command for extracting a portion part of a field sensor or a Cartesian data file*New Python function for generating a Touchstone file from S-parameter data filesnodal curve*Improved surrogate model generation based on the high-dimensional model representation (HDMR) technique and association roughen tool with Python functions of the same name*Improved Python script for sweeping new option to freeze a Python function or random rough surface into a surrogate model with cubic spline interpolation tessellated surface object*Improved Python script for genetic algorithm (GA) optimization of random group tool with new option to freeze a Python function or random cloud in to a surrogate model fixed group object*Improved Python script for Monte Carlo simulation New parameterization of a Python function or a surrogate model and generation of probability density functions (PDF) based on Gaussian kernel density estimation (KDE)generic objects resulting from geometric transformations

=== Integration with NeoScan Field Measurement System New General Features ===

*Automated export New array pattern synthesis tool including Schelkunoff, Sectoral beam, Woodward-Lawson synthesis methods, and particle swarm optimization (PSO)*New u-v plots of radiation pattern and RCS*New elevation-azimuth plots of radiation pattern and RCS*New contour plots of radiation pattern and RCS*Improved and streamlined interface between [[EM.Cube]] and [[NeoScan]] field measurement data to *[[RF.Spice A/D]] device manager now integrated within [[EM.Cube]]under Tools Menu*Automated nearA large number of transmission line calculator and designer tools as part of [[RF.Spice A/D]] device manager *New capability of generating reusable Touchstone-tostyle S-farparameter-field transformation of the nearbased circuit models for use in [[RF.Spice A/D]] from full-field wave simulation data for computation of 3D radiation patterns *Automated computation Capability of antenna gain designing custom circuit symbols and pin diagrams using [[RF.Spice A/D]] device manager’s symbol editor *Improved Python interpreter and command line output*New convenient Python scripting utility in addition to the command line*New Python command for running Python scripts from the command line*New Python functions for generating 2D cuts of radiation efficiencypattern and RCS*Automated generation New amplitude-only graphs of equivalent Huygens sources from measured nearS-field parameters*Improved polar plot capability with user defined dB scale*Plotting of two and three simultaneous data sets *Matlab-style visualization Logarithmic scale for the X and Y axes of measured output signal power in dBm corresponding to 2D cartesian graphs*More control over the default scale settings (linear vs. dB) of 2D and 3D graphs*New capability of saving and loading individualgraph settings and customization of 2D and 3D graphs based on previous templates*More file operations such as renaming and copying files within Data Manager*New basic data generator for examining user-component defined mathematical and total field maps Python functions*New basic and image-based data generator for importing data from a graph image