Parallel/Partition... menu item opens the
Partition Grid panel.
Partition Grid Panel
Partition Grid panel allows you to partition the grid into separate clusters of cells for separate processors on a parallel computer. Note that the
Partition Grid panel is slightly different in the serial and parallel solvers. See Section
31.5.4 for details.
contains a drop-down list of the recursive bisection methods that can be used to create the grid partitions. The choices include the
Cartesian R Axes,
Spherical Theta-Coordinate, and
Spherical Phi-Coordinate techniques, which are described in Section
defines the desired number of grid partitions. This usually matches the number of processors available for parallel computing.
specifies the amount of information to be reported in the text (console) window during the partitioning. With the default value of 1, the solver will print the number of partitions created, the number of bisections performed, the time required for the partitioning, and the minimum and maximum cell, face, interface, and face-ratio variations. (See Section
31.5.6 for details.) If you increase the
Verbosity to 2, the partition method used, the partition ID, number of cells, faces, and interfaces, and the ratio of interfaces to faces for each partition will also be printed in the console window. If you decrease the
Verbosity to 0, only the number of partitions created and the time required for the partitioning will be reported.
allows partitions to cross zone boundaries (the default). If turned off, it will restrict partitioning to within each cell zone. This is recommended
only when cells in different zones require significantly different amounts of computation during the solution phase, for example if the domain contains both solid and fluid zones.
Encapsulate Grid Interfaces
allows you to force the cells surrounding all non-conformal grid interfaces in your mesh to reside in a single partition at all times during the calculation. See Section
31.5.4 for information on using this option.
Encapsulate for Adaption
(available only when
Encapsulate Grid Interfaces is turned on) allows you to encapsulate additional layers of cells in the same partition, such that transfer of cells will be unnecessary during parallel adaption.
Print Active Partitions
(parallel solver only) prints the partition ID, number of cells, faces, and interfaces, and the ratio of interfaces to faces for each active partition (see Section
31.5.6 for information about active partitions) in the console window. In addition, it prints the minimum and maximum cell, face, interface, and face-ratio variations.
Print Stored Partitions
(parallel solver only) prints the partition ID, number of cells, faces, and interfaces, and the ratio of interfaces to faces for each stored partition (see Section
31.5.6 for information about stored partitions) in the console window. In addition, it prints the minimum and maximum cell, face, interface, and face-ratio variations.
(serial solver only) prints the partition ID, number of cells, faces, and interfaces, and the ratio of interfaces to faces for each stored partition in the console window. In addition, it prints the minimum and maximum cell, face, interface, and face-ratio variations.
Set Selected Zones and Registers to Partition ID
allows you to set a value which assigns selected
Registers to a specific partition ID. A region or zone is marked before setting the marked cells to one of the partition IDs.
Use Stored Partitions
(parallel solver only) allows you to make the stored cell partitions the active cell partitions. The active cell partition is used for the current calculation, while the stored cell partition (the last partition performed) is used when you save a case file.
contains toggle buttons for activating schemes to optimize the partitions created by the selected bisection method. In addition, the optimization scheme will be applied until appropriate criteria are met, or the maximum number of iterations have been executed. If the
Iterations counter is set to 0, the optimization scheme will be applied until completion, without limit on the maximum number of iterations.
attempts to decrease the number of interfaces by eliminating orphan cell clusters (an orphan cluster is a group of connected cells whose members each have at least one face coincident with an interface boundary).
attempts to minimize the number of interfaces by sacrificing cells on the partition boundary to the neighboring partition to reduce the partition boundary surface area.
instructs the solver to test all coordinate directions and choose the one which yields the fewest partition interfaces for the final bisection. Note that this option is available only when you choose
Principal Axes or
Cartesian Axes as the partitioning method.
contains a list of cell zones. Partitioning will be applied to cells in zones selected from this list.
contains a list of cell registers that have been created using the adaption tools. You can restrict partitioning to a group of cells by selecting a register containing the cells. See Section
31.5.4 for details.
subdivides the grid into the selected number of partitions using the prescribed method and optimization(s).
sets all controls to their default values, as assigned by
FLUENT. After execution, the
Default button becomes the
resets the fields to their most recently saved values (i.e., the values before
Default was selected). After execution, the
Reset button becomes the