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POSTPROCESSING COMMANDS © Fluent Inc., Jul-04 7-1 7. POSTPROCESSING COMMANDS NOTE : This chapter describes postprocessing capabilities that are available only in the Fluent FlowLab software package—which is derived from the GAMBIT program. Consequently, this chapter pertains only to the direct use of FlowLab and/or to the use of GAMBIT to create FlowLab templates. GAMBIT postprocessing commands allow you to create and display postprocessing objects to aid in the visualization and analysis of numerical-simulation results. GAMBIT includes the following types of postprocessing commands: Object creation Object modification Utility Object creation and modification commands create and modify, respectively, postprocessing objects that can be used to display contours, vectors, and/or particle plots related to simulation results variables. Utility commands control the activation, existence, and appearance of postprocessing objects. NOTE : In addition to commands listed above, GAMBIT includes two postprocessing commands that do not involve the creation of postprocessing objects. The commands are: Sample Line Sample Point The Sample Point command displays the numerical value of a specified postprocessing variable at a specified point in the model. The Sample Line command plots the numerical value of a specified postprocessing variable versus distance along a specified vector that intersects the model. The Sample Point and Sample Line commands are available only by means of the GAMBIT GUI, therefore they are not documented in the following sections. For descriptions of the Sample Point and Sample Line commands, see Chapter 6 of the GAMBIT Modeling Guide.
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Object Creation Commands POSTPROCESSING COMMANDS 7-2 © Fluent Inc., Jul-04 7.1 Object Creation Commands Most of the GAMBIT postprocessing operations require the creation and specification of postprocessing objects . Postprocessing objects are surfaces or volumes in reference to which simulation results, such as velocity vectors or pressure contours, are displayed. For example, if you create and activate a plane postprocessing object, GAMBIT displays results for only the regions of the model that are defined relative to a specified plane. GAMBIT allows you to create the following types of postprocessing objects: Simulation Cube Cylinder Isosurface Plane Sphere Simulation objects are defined by the entire entity to which they are attached. The cube , cylinder , plane , and sphere objects are defined by surfaces or volumes associated with their respective geometric shapes. The shape and configuration of any given isosurface object is defined by a surface of constant value for the result variable used to define the isosurface. The GAMBIT commands corresponding to the objects listed above are as follows:
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