A 3D surface cross-section plot visualizes a quantity in one or several planes in time, along a parameter range, or for several eigenvalues. This example uses the Airflow Over an Ahmed Body model from the CFD Module Applications Libraries.
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Create a Cut Plane 3D data set.
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). In the |
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Add a Surface plot and keep From parent to use the same data set as the plot group to which it belongs.
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Continue to define the Surface plot as needed.
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), or right-click the node and select The plot displays in the window selected in the Plot window list. To plot results in another window, right-click the plot group node or the plot node and select a plot window from the Plot In submenu.
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In the Model Builder, click a 3D Plot Group node to display the buttons available on the Plot Group contextual toolbar. On the main toolbar, click the cross-section buttons as needed.
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The first time the cross-section toolbar buttons are clicked, a Cut Plane 3D data set and a 2D Plot Group with a Surface plot are added to the Model Builder.
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Click the First Point for Cut Plane Normal button (
 ). Click a start point on the geometry. The COMSOL software chooses default coordinates as a vertical line intersecting the data in the middle. The green highlighted areas show you what the cut plane looks like if this first click point is selected for the surface plot. |
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Click the Second Point for Cut Plane Normal button (
 ). Click an end point on the geometry. The green highlighted areas show you what the cut plane looks like if this second click point is selected for the surface plot. |
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Adjust the cut plane as needed by clicking the buttons, then clicking the geometry to change the coordinates. The data set and plot group are updated automatically with the cut plane data. Click the 2D Plot Group node to view the updates to the surface plot.
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