4-6, Lisbon, Portugal, paper 857 (demo and poster), 2012. Erni, “openEMS – A free and open source FDTD software package supporting Cartesian and cylindrical coordinates ideally suited for MRI applications,” Magnetic Resonance in Physics, Biology and Medicine (MAGMA), vol. Erni, “openEMS – A free and open source equivalent-circuit (EC) FDTD simulation platform supporting cylindrical coordinates suitable for the analysis of traveling wave MRI applications,” International Journal of Numerical Modelling: Electronic Networks, Devices and Fields, online, DOI:10.1002/jnm.1875, Dec. Remote simulations using SSH (Linux only).Subgrids to reduce simulation time in cylindrical coordinates.Flexible post-processing routines (mostly in Matlab).Field dumps in time and frequency domain as vtk or hdf5 file format.Dispersive material (Drude/Lorentz/Debye type).Coordinate dependent excitation definitions (e.g.Coordinate dependent material definitions.Absorbing boundary conditions (MUR, PML).Simple engine extensions API to easily introduce new features to the FDTD algorithm.Multi-threading, SIMD (SSE) and MPI support for high speed parallel FDTD.Efficient EC-FDTD method in full 3D cylindrical coordinates ( ρ, φ, z).Efficient EC-FDTD method in full 3D cartesian coordinates ( x, y, z).The geometry used for the FDTD simulations is handled by the CSXCAD library which is part of the openEMS project. OpenEMS supports cylindrical coordinates and is specifically developed for MRI applications. An extensive Matlab (or Octave) interface is used to define the FDTD options. OpenEMS is a free and open source FDTD solver written in C++.
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