XF Key Capabilities

• XStream GPU Acceleration using NVIDIA’s CUDA architecture

• XStream + Message Passing Interface (MPI) for GPU clusters

• Wrap Flexible PCB

• Circuit Element Optimizer

• Superposition

• Array Optimization

• PrOGrid Project Optimized Gridding

• XACT Accurate Cell Technology

• XTend Script Library

• Unlimited Memory

• User-defined library containing Parts, Sources, Materials, and more

• Full parameterization

• Scripting interface with built-in editor

• Macros

• Waveguide Interfaces

• Custom Project Templates

• Feature-based modeling

• Live-updating results

• ESD Breakdown

• Integrated mesh/CAD viewing

• Volumetric/surface field saving via Sensors

• Flexible customizable project tree

• Simulation Queue

• External Queue Integration (EQI)

• Interactive graph manipulation

• Real-time error checking with feedback

• Automatic mesh fixed-point detection

• Native multi-platform UI on Windows and Linux

Far-Zone Results

• Transient far-zone - specific angles

• Steady state 3D far-zone patterns

• Ludwig and axial ratio polarization results

• Radar cross section

• Advanced antenna pattern analysis/antenna over ground plane

• Antenna diversity, including independent PDFs for E_phi and E_theta

• Circular polarization

Acceleration Options

• XStream GPU Acceleration using NVIDIA’s CUDA architecture for single or multiple GPUs

• XStream + Message Passing Interface (MPI) for GPU clusters

• MPI multiprocessor (distributed memory clusters)

• Multiprocessor threading for unlimited cores

• External Queue Integration (EQI)

• Failure detection of GPU memory

Special Capabilities/Options

• Periodic outer boundary condition

• Sinusoidal results at multiple frequencies via DFT

• Scaling of sinusoidal results

• Automatic convergence with delay options

• Materiel, circuit component definition, encryption, and geometry

• Huygens surface sensor

CAD Import/Export

• Import ODB++ PCB files with arbitrary wrap

• Import BRD PCB files with arbitrary wrap

• Import ODB++ PCB files with arbitrary crop

• Import BRD PCB files with arbitrary crop

• Import Poseable Hand

• Import SAT/SAB files

• Import DXF files

• Import VDA-FS files

• Import STL files

• Import STEP files

• Import IGES files

• Import Pro-E files

• Import CATIA V4 and V5 files

• Import Inventor files

• Export to SAT files

• Export to STEP file

• Export to IGES file

• Export to CATIA file

• Export to STL file

• Export to DXF file

• Editing of imported CAD objects

• CAD Merge: Retention of previous modifications when importing geometry updates

Meshing/Viewing

• Dielectric Volume Averaging

• XACT Accurate Cell Technology

• Fast meshing algorithm (FMA)

• Cropped 3D mesh

• Automatic/manual control of mesh parameters

• Adaptive mesh

• Fast 3D mesh viewing

• Multithreaded meshing

• Prevent objects from touching in the mesh

Visual Output

• Planes, surfaces and volumes of output shown with input geometry

• E/H/B, conduction current, surface current, rotating B near fields, in addition to dissipated power density

• 3D far field patterns of E, gain, realized gain, axial ratio, radar cross section, effective isotropically radiate power (EIRP)

• Hearing aid compatibility, SAR, MR transmit efficiency, and approximate MR image outputs

• Biological temperature rise

• Temperature distribution: initial, final, and temperature increase

• E, H, power density on Huygens surface

Biological Features

• Specific absorption rate (SAR)

• Biological Thermal Sensor

• Birdcage Tool

• MR Transmit Efficiency (proportional to signal-to-noise ratio)

• Approximate MR Image

• B1+/B1- Fields

• Combined SAR results from multiple simulations

• Calculate 1- and 10-gram SAR averages

• Whole body SAR average

• Location of peak SAR

• Adjust SAR levels for specified input power or current

• Planes of SAR for color display

• SAM head CAD file

• Hearing aid compatibility (HAC)

• Head and body meshes at various resolutions

• Frequency-dependent body tissue parameters

• VariPose® to reposition body meshes

• ICRP, NICT and Virtual Population voxel models supported

• Automatic assignment of correct biological materials to all imported voxel types

• SAR statistics reporting (mass, dissipated power, mean SAR over regions)

• Power density

Materials

• Dispersive Material Calculator

• Time dependent material

• Materials database populated with more than 350 material definitions

• Diagonally anisotropic electric/magnetic

• Lossy dielectric/magnetic

• Frequency-dependent dielectric/magnetic

• Anisotropic magnetized ferrite

• Anisotropic dielectric (full tensor)

• Non-linear dielectric/magnetic

• Thin wires with different radii

• Surface roughness for metals

• Dielectric Breakdown

Sources/Loads/Ports

• Electrostatic Solver

• Waveguide Interfaces - both modal and nodal

• Passive loads with Series, Parallel, and RL Parallel C layouts

• Passive linear and nonlinear loads based on SPICE netlist file

• Multiple excitation types can be used within one simulation

• Arbitrary time domain waveforms

• Automatic waveform based on Frequency Range of Interest

• Voltage/current sources with series/parallel RLC

• Voltage/Current sources with matching network based on SPICE netlist file

• Non-linear capacitors

• Time-controlled on-off switches

• Diodes

• Photo conductive semiconductor switch

• Incident plane wave with linear, circular, or elliptical polarization -both total and scattered

• Gaussian beam

• Specify time delay for each individual source

Geometry Generation

• 3D solid modeler

• 2D Sketcher with constraints

• Feature-based modeling

• Poseable Hand to grip hand-held devices

• Arbitrary extrudes, revolves, sheets, and wire bodies

• Complex geometry modification of created and imported geometries:

  • Wrap

  • Booleans

  • Chamfer edges

  • Blend edges

  • Shell solids

  • Remove faces

  • Offset faces and sheet edges

  • Remove holes

  • Thicken sheets

  • Loft

  • Stretch

  • Twist

  • Slice

  • Bend solid geometry

  • Project a sheet

  • Scale/translate/rotate/reflect/shear

  • Linear and circular patterns

• Primitive geometric shapes:

  • Sphere

  • Cylinder

  • Cone

  • Cuboid

  • Torus

  • Pyramid

  • Prism

  • Frustum

  • Helix

• Locators to easily reposition geometries

• Cutting plane to reveal inner structure

Graphical Output

• Dissipated Power Density

• Near zone fields/currents vs. time

• Impedance, S-Parameters vs. frequency, VSWR, Active VSWR

• Polar plot antenna patterns

• Smith chart impedance plots

• FFT of transient results

• Group Delay output type

• Time Domain Reflectometry (TDR) and Time Domain Transmission (TDT) output types

• Cumulative distribution function (CDF) of steady-state farzone results

Discrete Frequency Statistics

• Radiation efficiency

• System efficiency

• Dissipated power

• Component loss

• Net input power

• Net available power

• Stand alone radiation efficiency

Output Export

• Movies (*.avi): planar and volumetric field sequences

• MATLAB: all data exportable

• Comma separated value files (*.csv): all data exportable

• Optenni: S-parameters and efficiency

• Touchstone files (for example, *.s2p): S-parameters

• CITI files: S-parameters

• Huygens surface

Schematics

• Schematic editor

• Analysis Workbench with tuning sliders

• Components

  • Voltage source

  • Resistor

  • Inductor, ideal and lossy

  • Capacitor, ideal and lossy

  • Switch

  • Phase shifter

  • Netlist

  • SnP block

  • FDTD block

  • Ideal Transmission Line

  • Microstrip Transmission Line

  • Microstrip Tee

  • Microstrip Bend

  • Microstrip Step

  • Coplanar Waveguide

  • Grounded Coplanar Waveguide

• Operating modes

• Multi-port & multi-state devices

• Circuit solver

• Ability to apply schematic to full-wave results