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MG-Tetra Optimization Parameters hypothesis

Table of Contents

MG-Tetra Optimization Parameters hypothesis works only with MG-Tetra Optimization algorithm. This algorithm is a commercial software.

To get a license, visit http://www.meshgems.com/meshgems-products.html

General parameters

mgtetra_optim_gen_params.png
  • Name - allows to define the name of the hypothesis (MG-Tetra Parameters by default).
  • Optimization - sets the optimisation type. If Optimization is:
    • No : no optimisation is applied
    • Yes (default): optimisation is performed upon mesh generation using the Optimisation level parameter
    • Only : only optimisation is performed to an existing mesh.
  • Optimization level - allows choosing the required optimization level (higher level of optimization provides better mesh, but can be time-consuming):
    • none
    • light
    • medium (standard)
    • standard+
    • strong
  • Split overconstrained elements - sets treatment of element having all their vertices on the input surface. If Split overconstrained elements is:
    • No (default): no correction is applied
    • Yes : correction is applied upon mesh generation
    • Only : only correction is applied to an existing mesh.
  • PThreads mode - sets optimization mode when using multithread capabilities. Valid values are:
    • Safe : slower but quality can only get better
    • Aggressive : faster but quality may be altered
    • None (default): not activated.
  • Max number of threads - sets the maximum number of threads to be used in parallel.
  • Smooth off sliver elements - activates elimination of sliver elements as much as possible.
  • Create new nodes - allows insertion of new nodes.

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Advanced parameters

mgtetra_optim_adv_params.png

Memory settings

  • Initial memory size - starts MG-Tetra software with the specified amount of work space, in Mbytes. If this option is checked off, the software will be started with 100 Megabytes of working space.
  • Maximum memory size - launches MG-Tetra software with work space limited to the specified amount of RAM, in Mbytes. If this option is checked off, the software will be launched with 7O% of the total RAM space.

Logs and debug

  • Working directory - allows defining the folder for input and output files of MG-Tetra software, which are the files starting with "GHS3D_" prefix.

  • Verbose level - to choose verbosity level in the range from 0 to 10.

    • 0, no standard output,
    • 2, prints the data, quality statistics of the skin and final meshes and indicates when the final mesh is being saved. In addition the software gives indication regarding the CPU time.
    • 10, same as 2 plus the main steps in the computation, quality statistics histogram of the skin mesh, quality statistics histogram together with the characteristics of the final mesh.
  • Print log in a file - if this option is checked on the log is printed in a file placed in the working directory, otherwise it is printed on the standard output.
  • Remove log on success - if this option is checked on the log file is kept only if an error occurs during the computation. This option is only available if Print log in a file is enabled (there must be a log file to delete it) and Keep all working files is disabled (in this case the log file is always kept).
  • Keep all working files - allows checking input and output files of MG-Tetra software, while usually these files are removed after the launch of the mesher. The log file (if any) is also kept if this option is checked.

Advanced meshing options

  • A table allows to input in the command line any text for MG-Tetra, for example, advanced options.
  • Add option - adds a line to the table where you can type an option and its value as text. A check box in the first column activates/deactivates the option of the current row. A deactivated option will be erased upon pressing Ok.


See Also a sample TUI Script of the creation of a MG-Tetra Optimization hypothesis.

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