Use a Phase Portrait plot (
) for 2D and 2D axisymmetric models to visualize large data sets of particle trajectories. The traditional use of a phase portrait is to plot the particle position on the x-axis and the particle velocity on the y-axis. Each dot in the xy-plane represents a particle. By default, the position is taken as the distance from the origin (0, 0, 0) for 3D models. Add a Color Expression as needed. Right-click a 2D Plot Group to add this plot from the More Plots submenu.
) for 2D and 2D axisymmetric models to visualize large data sets of particle trajectories. The traditional use of a phase portrait is to plot the particle position on the x-axis and the particle velocity on the y-axis. Each dot in the xy-plane represents a particle. By default, the position is taken as the distance from the origin (0, 0, 0) for 3D models. Add a Color Expression as needed. Right-click a 2D Plot Group to add this plot from the More Plots submenu.
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For 2D and 2D axisymmetric plots, the Phase Portrait view is shared with the model geometry. Therefore, it is necessary to clear the Plot data set edges check box found on the 2D Plot Group or 3D Plot Group page under Plot Settings. Then in the Graphics window, click the Zoom extents button (
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Select an option from the x-axis list: Position or Manual. If Manual is selected, enter an Expression (SI unit: m). Select an option from the y-axis list: Speed or Manual. If Manual is selected, enter an Expression (SI unit: m/s).
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The plot is best represented if the magnitude of the x-axis data and y-axis data are equal. Therefore, it can be useful to normalize the data by selecting Manual from the x-axis and y-axis lists under Expression and applying a suitable scaling factor.
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Go to Common Results Node Settings for links to information about these sections: Data, Title, Coloring and Style, and Inherit Style.
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