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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 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 dielectric materials using a Python function for retrieving data from a 3D Cartesian (voxel) database
*New arbitrarily oriented Hertzian short dipole sources compatible with [[EM.Cube]]'s other computational modules
*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
*Improved and streamlined multi-plane-wave source excitation including import of 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 deviceson PEC lines parallel to one of the principal axes*Active 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 and one-click loading of 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
*Conversion of zero-amplitude sources and ports to resistive termination loads (e.g. for modeling receiver antennas)
*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 sensors, radiation patterns, RCS and Huygens surfaces)
*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
*New option for sampling the field components of temporal field probes 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 and computation of Eb/N0 and bit error rate (BER)
*Real-time mobile (point-to-point) sweep simulation of transmitter-receiver pairs using the new Polarimatrix solver
*New Mobile Path wizard based on existing nodal curves or imported 3D spatial Cartesian data files
*New 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 heights
*New distributed transmitters and receivers using Huygens sources
=== New EM.Ferma (Static) Features ===
*New thermal simulation engine (heat conduction and convection) for computation of steady-state temperature distribution and heat flux density
*New inhomogeneous dielectric/magnetic/insulator material properties defined as standard mathematical or Python expressions/functions of 3D spatial coordinates
*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 overlaid 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
*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
*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 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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