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Lumerical FDTD Solutions 7.5.7

FDTD 7.5 provides a simple way to run multiple simulations at the same time. For example, suppose you have 30 simulations from an optimization or parameter sweep task. In the past, each of the 30 simulations would run consecutively on the local computer. (It was also possible for the user to manually distribute the jobs in some other
manner.) With FDTD 7.5, the jobs can be automatically sent to several computers in your
local network. If there are three computers in the network, FDTD can run three concurrent
simulations (one on each computer), reducing the time to complete the sweep by a factor
of 3. Extra FDTD simulation engine licenses will be required to run additional simultaneous
Movie monitors in parallel simulations
Movie monitors now work in parallel (multi-process) simulations. In previous versions,
movie monitors only worked when the simulation was run in single processor mode. Other new script commandsThe following script functions were added in FDTD Solutions 7.5. For more information, see
the function description in the scripting section of the Reference Guide.
New features for version 7.0
Optimization is a key component of FDTD Solutions 7.0 Optimization is important
when there is a large parameter space, where simple parameter sweeps require too many
simulations to be practical. Prior to FDTD 7.0, it was possible to implement your own
optimization algorithms via the scripting language, but this can be a difficult task, due to
the complexity of optimization algorithms. FDTD 7.0 includes a new optimization feature
which provides a graphical interface to a built in Particle Swarm based optimization
algorithm. It is also possible to create your own custom optimization algorithms within this graphical optimization feature.
Conformal mesh
Achieve higher accuracy for a given mesh size with conformal meshing . The conformal
meshing technique can resolve interfaces to much higher precision than the standard
staircase meshing, making it an ideal method to solve structures with thin layers, curved
surfaces and high index contrast materials, such as surface plasmon or silicon on insulator
Parameter sweeps
Parameter sweeps are a very common task. Prior to FDTD 7.0, creating parameter
sweeps required the scripting language. One of the major new features in FDTD 7 is the
ability to do parameter sweeps in a completely graphical way, without the use of the
scripting language.
Object library
A library of complex structure groups and analysis objects have been incorporated into the
graphical CAD environment. In the past, many of these objects were available via the
Online Help, but making them available directly from within the product is much more
efficient. The new object library includes complex structure groups like waveguide
components, randomized clouds of particles, photonic crystal arrays, etc. It also includes
analysis objects like power transmission boxes, cavity Q calculators, S-parameter
monitors, etc.
Mac OS X support
Mac OS X v10.5 Leopard and above has been added to the list of supported systems.
Windows 7 support
Windows 7 has been added to the list of supported systems.
Simplified installation and licensing The Portable and Floating license options have been merged into a single licensing option.It is no longer necessary to install the stand-alone Lumerical License Manager. All
licensing information (quotas, expiry dates, etc) can now be stored directly on the USB
hardware key. The behavior of the key (portable or floating) can be changed at any tim
Product:Lumerical FDTD Solutions 7.5.7