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=== [[Image:Back_icon.png|30px]] '''[[EM.Cube R18| Back to EM.1 Release At A Glance ===Cube Main Page]]'''
The new [[=== EM.Cube]] R18R20.1 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.Release At A Glance ===
The new [[EM.Cube]] R20.1 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.Tempo (FDTD) Features ===
*New gyrotropic materials including biased ferrites and magnetoplasmas
*Conversion of Drude conductors to equivalent isotropic plasmas
*New expression-based inhomogeneous dielectric material properties defined as standard mathematical or Python expressions/functions of 3D spatial coordinates (x,y,z)*New streamlined way of defining voxel-based inhomogeneous dielectric materials using a Python function to retrieve for retrieving data from a 3D Cartesian (voxel) database
*New arbitrarily oriented Hertzian short dipole sources compatible with [[EM.Cube]]'s other computational modules
*Import of wire current solutions from [[EM.Libera]] as a set of Hertzian short dipole sources
*New wire (filamentary) current sources parallel to one of the principal axes with a uniform, triangular or sinusoidal profile
*Generalized lumped voltage sources on any PEC line object with an arbitrary orientation
*New distributed Huygens sources*New series RL Improved and parallel RC lumped devices*Active onestreamlined multi-port and twoplane-port Netlist-based lumped circuits on PEC lines parallel to one wave source excitation including import of the principal axes*Allowing Python functions in the Netlist definition of lumped and distributed one-port and two-port devices*New method of using nonlinear dependent B-type sources in Netlist definitions 3D polarimetric ray solutions from [[EM.Terrano]]
*Conversion of zero-amplitude sources and ports to resistive termination loads (e.g. for modeling receiver antennas)
*Improved "Fast Ports" capability for accelerated computation of S-parameters of resonant structures based on Prony's method of exponential interpolation/extrapolation
*Extension of "Fast Ports" capability to multiport structures
*Extension of "Fast Ports" to distributed sources and microstrip, CPW, coaxial and waveguide ports
*New collocated series RL and parallel RC lumped devices on PEC lines parallel to one of the principal axes
*New active one-port and two-port Netlist-based lumped circuits on PEC lines parallel to one of the principal axes
*Streamlined Netlist generation for multiple lumped and distributed active one-port and two-port devices
*Allowing subcircuits with local node indexing in Netlist definitions
*New method of using nonlinear dependent B-type sources in Netlist definitions
*Extension of Netlist definitions to all XSPICE parts and subcircuit-model-based devices including system-level behavioral models (virtual blocks)
*Full compatibility with Netlist files generated by [[RF.Spice A/D]] and one-click loading of imported Netlist files
*Allowing Python functions/expressions in the Netlist definition of lumped and distributed active devices
*New distributed Huygens sources
*New fast frequency and angular sweeps of periodic structures with oblique incidence using an existing dispersion sweep database
*New streamlined single-run wideband multi-frequency observables with data management options (field sensorsensors, radiation patternpatterns, RCS and Huygens surface observables with data management optionssurfaces) *New "Polarimetric Scattering Matrix" sweep simulation as a special type of the RCS observable *Computation of all total port voltages, total port currents and total port powers in both time and frequency domains for multiport structures *New standard output parameters for port voltages, port currents and port powers at the center frequency of the project*Computation of electric, magnetic and total energy densities, dissipated power density(Ohmic loss), specific absorption rate (SAR) density and complex Poynting vector on field sensor planes
*New volumetric field sensor observables
*Computation of the total electric and magnetic energy, total dissipated power (Ohmic loss) and total SAR for volumetric field sensors*3D visualization of surface and volumetric spatial Cartesian data visualizationoverlaid on the scene*New option for sampling the field components of temporal field probes to sample field components at the boundary of the Yee cell or at its center
=== New EM.Terrano (Ray Tracing) Features ===
*New digital modulation schemes with 17 waveform types for and computation of Eb/N0 and bit error rate (BER)
*New standard output parameters for SNR, Eb/N0 and BER of the selected receiver with instant update upon changing receiver index
*Fast broadband frequency sweep of the propagation scene with uniformly spaced or discrete frequency samples based on in a single ray tracing SBR simulation run
*New option for using multi-frequency radiation patterns in frequency sweeps
*New option for visualizing 3D radiation patterns overlaid on the propgation propagation scene
*Complete polarimetric (theta-phi) characterization of the propagation channel for MIMO analysis
*New "almost real-time" Polarimatrix solver using an existing 3D ray database as an alternative to physical ray tracing
*New Real-time transmitter sweep for modeling mobile transmittersusing the new Polarimatrix solver *New Real-time rotational sweep for modeling beam scanning using the new Polarimatrix solver *Improved random city wizard with a larger number Real-time mobile (point-to-point) sweep simulation of building parameters and basic link wizard with parameterized transmitter and -receiver heightspairs using the new Polarimatrix solver
*New Mobile Path wizard based on existing nodal curves or imported 3D spatial Cartesian data files
*New mobile sweep simulation Point Scatterer sets with imported polarimetric scattering matrix data files*New Radar Simulator generating a ray tracing solution of bistatic and monostatic radar system configurations *Improved "Random City" wizard with a larger number of building parameters *Improved "Basic Link" wizard with parameterized transmitter-and receiver pairsheights
*New distributed transmitters and receivers using Huygens sources
=== New EM.Ferma (Static) Features ===
*New steady-state thermal simulation engine (heat conduction and convection) for computation of steady-state temperature distribution and heat flux density*New expression-based inhomogeneous dielectric/magnetic/insulator material properties defined as standard mathematical or Python expressions/functions of 3D spatial coordinates *Expression-based New volume heat source defined as a standard mathematical or Python expression/function of 3D spatial coordinates*Import of SAR or dissipated power density data from [[EM.Tempo]] as a spatially distributed volume heat source*Computation of electric and magnetic energy densities, dissipated power density (Ohmic loss), and thermal energy density on field sensor planes
*New mutual inductance field integral
*New (alternative) capacitance and inductance field integrals defined based on energy*New (alternative) resistance field integrals defined based on Ohmic power loss*New thermal flux and thermal energy field integrals*New standard output parameters for all the 18 field integral types
*New volumetric field sensor observables
*3D visualization of surface and volumetric spatial Cartesian data visualizationoverlaid on the scene
=== New EM.Picasso (Planar MoM) Features ===
*Improved planar mesh generation for structures with vertical vias of irregular shape and arrays of via objects
*New capability of handling edge vias and short thin vertical walls (fins)
=== New EM.Illumina (Physical Optics) Features ===
*Improved, more accurate formulation of impedance surfaces in GO-PO and IPO solvers
*Expanded material list with mechanical and thermal properties
*New list of available standard output parameters based on the project's observables
*Improved and enhanced custom (user -defined) custom output parameters that can be updated instantly at post-processing*New functionality added to "Consolidate Tool " tool for converting special transform objects to generic solid, surface or curve objects *Improved "Random Group (Cloud) Tool " tool for more efficient Monte Carlo simulations*New capability of 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 Matlab-style 2D and 3D plot types
*New option to enable/disable 3D visualization of far-field data during sweep simulations
*New option for arbitrary translation and scaling of 3D radiation and RCS patterns in the scene
*Enhanced array factor with phase progression for the radiation pattern observable associated with phase progressiona single radiating element
=== New Python Capabilities ===
*New Python commands for project and file management
*New Python commands for getting and setting individual properties of geometric objects
*New Python commands for accessing individual objects from the navigation tree
*New Python commands for identifying and accessing material groups and their object members in the navigation tree
*New Python commands for getting the coordinates of nodes of a nodal curve
*New Python command for aligning one of the six faces of the bounding box of an object at a certain coordinate
*New Python commands for retrieving the value of a standard or custom output parameter
*New Python command for setting the boundary conditions of [[EM.Ferma]]
*New Python command for setting up a thermal simulation in [[EM.Ferma]]
*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]] and [[EM.Ferma]]
*New Python functions for translating, rotating, scaling, aligning and mirroring all the objects in the project workspace
*New Python function for rotating a radiation pattern
*New Python function for computing the radiation pattern of a generalized 3D array
*New Python functions for summing, differencing and scaling of .RAD, .RCS, .SEN, .CAR, .HUY and .COV data files
*New Python functions for averaging a set of radiation pattern, RCS or received power coverage data files
*New Python function for extracting a portion of a field sensor or a Cartesian data file
*New Python function for generating a Touchstone file from S-parameter data files
*Improved surrogate model generation based on the high-dimensional model representation (HDMR ) technique and association with Python functions of the same name *Improved Python script for sweeping a Python function or a surrogate model with cubic spline interpolation *Improved Python script for genetic algorithm (GA) optimization of a Python function or a surrogate model *Improved Python script for Monte Carlo simulation of a Python function or a surrogate models model and generation of probability density functions (PDF) based on Gaussian kernel density estimation (KDE)
=== Integration with NeoScan Field Measurement System ===
*Automated computation of antenna gain and radiation efficiency
*Automated generation of equivalent Huygens sources from measured near-field data
*PyPlot Matlab-style visualization of measured output signal power in dBm corresponding to individual field -component and total field maps
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