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modal:modal-analysis:ods [2026/10/15 20:49] – [EMA Operational Deflection Shape (ODS)] reid_go-ci.commodal:modal-analysis:ods [2026/10/16 20:42] (current) – [Geometry View] reid_go-ci.com
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 | **Show plots** | Select this to show the signal on the chart. At least one animated signal is always shown on the chart. | | **Show plots** | Select this to show the signal on the chart. At least one animated signal is always shown on the chart. |
 | **DOFs** | The point and direction of the signal, for example ''+2Z'' or ''+2Z:-1Z'' (response : reference). Click the cell to edit it. | | **DOFs** | The point and direction of the signal, for example ''+2Z'' or ''+2Z:-1Z'' (response : reference). Click the cell to edit it. |
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-FIXME **Screenshot:** Close-up of the signal list with some signals selected for Show animation and Show plots. 
-{{:ema:ods_signal_list.png|}} 
  
 **Rules for animated signals:** **Rules for animated signals:**
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 A vertical cursor on the chart marks the time or frequency that is shown in the 3D view. Drag the cursor to show the deflection at a different position. A vertical cursor on the chart marks the time or frequency that is shown in the 3D view. Drag the cursor to show the deflection at a different position.
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-FIXME **Screenshot:** Close-up of the playback bar (direction switch, Move back, Play, Stop, Move forward, Sweep speed, Normalization, Frequency and Go to). 
-{{:ema:ods_playback_bar.png|}} 
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-**Forward / Backward**- Sets the direction that the cursor moves when you play the animation. 
  
 **Play or pause animation**- Moves the cursor along the chart one point at a time, and updates the 3D view at each point. Click it again to pause. The animation stops at the end of the signal. The signal list cannot be changed while the animation is playing. **Play or pause animation**- Moves the cursor along the chart one point at a time, and updates the 3D view at each point. Click it again to pause. The animation stops at the end of the signal. The signal list cannot be changed while the animation is playing.
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 **Display MIF**- (FRF and CPS only, while the animation is not playing) Replaces the curves on the chart with a mode indicator function calculated from the animated signals: **Complex MIF**, **Real MIF**, **Imaginary Sum**, or **Multivariate MIF**. Use the MIF to find the frequencies of the modes, then use **Go to** to animate them. See the Band Selection page for the differences between the MIF types. **Display MIF**- (FRF and CPS only, while the animation is not playing) Replaces the curves on the chart with a mode indicator function calculated from the animated signals: **Complex MIF**, **Real MIF**, **Imaginary Sum**, or **Multivariate MIF**. Use the MIF to find the frequencies of the modes, then use **Go to** to animate them. See the Band Selection page for the differences between the MIF types.
  
-FIXME **Screenshot:** The ODS chart showing a Multivariate MIF, with the cursor on a valley and the matching deflection in the 3D view. +{{:modal:modal-analysis:ods_mif.png?}}
-{{:ema:ods_display_mif.png|}}+
  
 **NOTE:** Changing the display format of the chart does not change the 3D animation. **NOTE:** Changing the display format of the chart does not change the 3D animation.
  
-===== Geometry View ===== 
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-The 3D view shows the model deflected by the animated signals. Use the toolbar above the view to zoom, rotate, and move the model, change the surface display, increase or decrease the animation amplitude, and set the animation speed. 
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-FIXME **Screenshot:** Close-up of the 3D view toolbar, with the main buttons labeled. 
-{{:ema:ods_geometry_toolbar.png|}} 
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-FIXME Confirm the names of the 3D toolbar buttons and describe the ones most users need (amplitude, speed, surface display). 
  
 ===== FAQs ===== ===== FAQs =====