Marianne Martinez
ANSYS FLUENT is a powerful tool for modelling and simulating fluid flow and heat transfer. It offers a range of features for manipulating and navigating 3D models, including panning, rotating, and zooming. Panning in ANSYS allows users to navigate and explore 3D models by moving the model in any desired direction while keeping the viewpoint fixed. This functionality is particularly useful for examining specific areas of interest or for achieving the desired viewpoint for analysis or presentation purposes. Users can control panning through keyboard shortcuts, mouse buttons, and mouse wheel interactions, enabling smooth and intuitive navigation within the 3D environment.
| Characteristics | Values |
|---|---|
| Panning method | Ctrl+left mouse and drag the model in the desired direction |
| Zooming method | Use the slider bar to zoom in and out |
| Rotation in 3D | Use the mouse-rotate function (left button) or the Camera Parameters dialog box |
| Rotation in 2D | Rotate about the axis normal to the screen using the mouse or the Camera Parameters dialog box |
| Rotation centre | Viewport Centre, Model Centre, or Selected |
| Zoom options | Mouse-zoom function, Mouse-roll-zoom function, or Camera Parameters dialog box |
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What You'll Learn
Zoom and pan using the mouse scroll wheel
To zoom and pan in Ansys using the mouse scroll wheel, you need to modify the default navigation controls. By default, the mouse wheel does not control zooming in Ansys. However, you can change this setting by going to "File > SpaceClaim Options > Navigation" and setting "Zoom" to "Always". This will enable zooming with the mouse scroll wheel in any tool.
Additionally, you can set your preferred mouse and keyboard controls for panning and zooming in the "Navigation" screen in "SpaceClaim Options". Here, you can select a control, choose an option from the control setting's dropdown, and click "OK" to save your changes.
It's worth noting that you can also adjust the Zoom-in wheel direction. You can set it to "Upward" or "Downward" depending on your preference. "Upward" means turning the mouse wheel away from you to zoom in, while "Downward" means turning the mouse wheel towards you to zoom in.
With these settings in place, you can use the mouse scroll wheel to zoom in and out of your designs in Ansys. This, combined with the ability to pan by dragging the drawing area around your screen, provides a flexible and intuitive navigation experience.
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Zoom in and out using the slider bar
ANSYS FLUENT offers several ways to zoom in and out of a display. One way is to use the slider bar: move the slider bar up to zoom in, and down to zoom out.
Another way to zoom in and out is by using the mouse. The middle mouse button is the default mouse-zoom button. To magnify the display, click the middle mouse button and drag the cursor from left to right, creating a "zoom box". The display will then fill the window, with the point you clicked on now at the centre of the screen. You can also drag from the lower left to the upper right to create the zoom box.
To shrink the display, click the middle mouse button and drag the cursor from right to left. You can also drag from the upper right to the lower left. After releasing the mouse button, ANSYS FLUENT will redisplay the graphic, shrinking the display by the ratio of the sizes of the zoom box and the previous display.
The mouse-roll-zoom function allows you to zoom in and out continuously. Click the appropriate mouse button and drag the mouse down to zoom in, and up to zoom out.
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Rotate the display in 3D
To rotate the display in 3D in ANSYS, you can use either the mouse or the Camera Parameters dialog box. By default, the left mouse button is used for the mouse rotate function. Click and drag the left mouse button in the graphics window to rotate the geometry in the display. You can also click and drag the left mouse button on the graphics triad in the lower-left corner to rotate the display.
If you press and hold the Shift key while clicking the mouse button to initiate the rotation, the rotation will be constrained to a single direction. For example, you can rotate about the screen's horizontal axis without changing the position relative to the vertical axis.
The Camera Parameters dialog box can also be used to rotate the display in 3D. In the dialog box, use the scale to the right of the dial to rotate the display.
Additionally, you can use the middle mouse button (the default mouse-zoom button) to magnify and shrink the display. Click and drag the middle mouse button from left to right (creating a "zoom box") to magnify the display. To shrink the display, click and drag the middle mouse button from right to left.
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Use the Camera Parameters dialog box
The Camera Parameters dialog box in ANSYS can be used to magnify, shrink, rotate, and modify the view of the graphics display. The dialog box contains a drop-down list of parameters that define the camera, including Position, Target, Up Vector, and Field. The X, Y, and Z fields allow you to define the coordinates or field distances for the selected parameter.
To rotate a 3D display using the Camera Parameters dialog box, you can use the dial and the scales below it and to its left. To rotate about the horizontal axis at the centre of the screen, move the slider on the scale to the left of the dial up or down. To rotate about the vertical axis, move the slider on the scale below the dial to the left or right. To rotate about the axis at the centre of and perpendicular to the screen, click the left mouse button on the indicator in the dial and drag it around.
The Camera Parameters dialog box also allows you to zoom in and out of the display. Use the scale to the right of the dial to zoom, moving the slider up to zoom in and down to zoom out.
In addition to rotation and zooming, the Camera Parameters dialog box lets you select between a Perspective and Orthographic view. The Perspective view is the default option and can be turned off by selecting Orthographic in the Projection drop-down list. Modifying the view allows you to change the "camera" through which you are viewing the graphics display.
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Change mouse functions
ANSYS allows you to change the mouse functions to suit your needs. The program has a convenient feature that lets you assign a specific function to each of the mouse buttons. These functions are applied only to the graphics windows and are not active when an XY plot or histogram is displayed.
The Main Menu in ANSYS contains the commands needed to create, modify, solve, and post-process the model. The Graphics Window is where all graphics for the program are displayed, and it also allows graphical picking, i.e., selecting solid model and finite element model components with the mouse. The default background of the Graphics Window is black, but you can change it by going to Utility Menu > PlotCtrls > Style > Colors > Reverse Video.
To control the view and orientation of objects in the Graphics Window, you can use the Pan Zoom Rotate Menu, located to the right of the Graphics Window. This toolbar provides shortcuts for the commands normally accessed via the GUI path: Utility Menu > PlotCtrls > Pan Zoom Rotate. The GUI will guide you through the process of supplying the required information to define the arguments and execute the relevant commands.
- Mouse-zoom: Allows you to draw a zoom box by dragging the mouse with the button held down. When you release the button, if you dragged from left to right, the area within the zoom box will be magnified. If you dragged from right to left, the view will be "zoomed out".
- Mouse-roll-zoom: Enables you to rotate or zoom the view depending on the direction you drag the mouse. Dragging horizontally will rotate the display about the axis normal to the screen, while dragging vertically will magnify or shrink the display.
- Mouse-rotate: Lets you rotate the view by dragging the mouse across the screen. Horizontal dragging rotates the object about the screen's vertical axis, while vertical movement rotates it about the horizontal axis.
- Mouse-dolly: Allows you to translate the view by dragging the mouse while holding down the button.
- Mouse-probe: Enables you to select items from the graphics windows and request information about displayed scenes. With the probe function turned on, detailed information about a selected item will be provided.
- Mouse-annotate: Allows you to insert text into the graphics window. When the mouse button is dragged, an attachment line is drawn. After dragging or clicking, a cursor is displayed, and you can enter your text.
To change the mouse button assignments in ANSYS, you can adjust the settings under "Graphics Interaction". However, one user reported an issue where the default settings remained active even after changing the assignments.
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Frequently asked questions
To pan in ANSYS, use the shortcut Ctrl + left mouse and drag the model in the direction you wish to pan.
Use the slider bar to zoom in and out in ANSYS. You can also use the mouse-zoom function by clicking the middle mouse button and dragging it from left to right to magnify the display and from right to left to shrink it.
To rotate the display, use the button with the mouse-rotate function (the left button by default) and click and drag the mouse in the graphics window.
To change the centre of rotation, click on the "Selected" option and pick any position on the model to be used as the rotation centre.
To pan and rotate simultaneously, use the shortcut Ctrl + middle (or left+right) mouse and drag the model.
