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XFdtd Overview
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XFdtd® is a full wave electromagnetic solver based on the Finite Difference Time Domain method. It is fully three-dimensional.  Complicated CAD objects with thousands of parts may be imported into XFdtd and combined and edited within XFdtd using the internal graphical editor.  RF designers can import an electromechanical CAD file, improve the design using XFdtd, then export the revised CAD file to reduce design time.  Applications include microwave, RF, antennas, scattering, biological EM including MRI and SAR, photonics, packaging, EMC, and electromagnetic behavior of specialized materials. 

XFdtd offers many important and unique capabilities including Fast Meshing Algorithm, mesh preview before calculation, a wide variety of complex electric and magnetic materials including nonlinear and frequency-dependent, nonlinear device modeling including both diodes and capacitors, anisotropic materials,  and many others.  XFdtd is the only commercial time domain solver with true MPI capability which allows large problems to utilize the full capability of computer clusters.  XFdtd supports XStream® hardware FDTD for extremely fast calculations using the graphics processing units in high speed video cards.  No other EM software can solve larger problems or solve them faster than XFdtd. 

Latest Release

Remcom announces the release of XFdtd 6.5.  XFdtd is a full wave 3D electromagnetic solver based on the Finite Difference Time Domain (FDTD) method. Applications include microwave, RF, antennas, scattering, biological EM, photonics, packaging, EMC, and specialized materials.  XFdtd 6.5 includes important industry-leading features from previous versions such as the patent-pending Fast Meshing Algorithm and both distributed memory MPI cluster computing and GPU hardware acceleration.  In addition Version 6.5 offers many new features and improvements listed below. The features of XFdtd 6.5 are presented in depth in this pdf overview pdf2.27 Mb. Alternatively you can view this overview as a flash presentation in the XFdtd Showcase.

New features in XFdtd 6.5 

  • Multi-frequency Sinusoidal Results such as Efficiency, SAR and Antenna Patterns from one transient excitation
  • Improved results for frequency-dependent materials using Cole-Cole parameters
  • Periodic Boundary Conditions with Phase Shift
  • Improved Waveguide excitation
  • Nonlinear Diodes with variable parameters
  • Ludwig Polarization
  • Independently specify time delay for multiple sources
  • Automatically determine if meshed geometry objects are in contact
  • Import Voxel objects with conformal meshing
  • Total Field AND Scattered Field plane wave for accurate results for both scattering and shielding calculations

 

 
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