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modal:modal-analysis:stability-diagram [2026/10/09 19:10] – [Selecting Poles] reid_go-ci.commodal:modal-analysis:stability-diagram [2026/10/09 19:13] (current) – [Calculating the Mode Shapes] reid_go-ci.com
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 **Remove All Cursor**- Right-click the chart and click **Remove All Cursor** to remove all the selected poles. **Remove All Cursor**- Right-click the chart and click **Remove All Cursor** to remove all the selected poles.
  
-===== Right-Click Menu =====+**TIP:** Zoom in on a mode to make it easier to pick the right pole. When you are zoomed in, use the scroll bars or hold the middle mouse button and drag to move around the chart.
  
-Right-click on the chart to open the menu. 
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-FIXME **Screenshot:** The right-click menu open on the Stability Diagram chart, showing the Remove Cursor submenu. 
-{{:ema:stability_diagram_context_menu.png|}} 
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-**Zoom Back**- Returns to the previous zoom level. 
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-**Un-zoom All**- Returns to the full view of the chart. 
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-**Add Cursor**- Selects the pole under the mouse. See [[#selecting_poles|Selecting Poles]]. 
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-**Remove Cursor**- Removes one selected pole. 
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-**Remove All Cursor**- Removes all the selected poles. 
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-**X Axis Format**- Shows the frequency axis on a **Linear** or **Log** scale. 
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-**Y Axis Format**- Shows the MIF curve on a **Linear** or **Log** scale. This option is available only when a Multivariate, Complex, or Real MIF is shown. 
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-**TIP:** Zoom in on a mode to make it easier to pick the right pole. When you are zoomed in, use the scroll bars or hold the middle mouse button and drag to move around the chart. 
  
 ===== Calculating the Mode Shapes ===== ===== Calculating the Mode Shapes =====
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 Then click **Calculate modes**. EDM calculates the mode shapes, saves them to the shape, and opens the **Animation** tab. The message //"The modal shapes are calculated successfully."// is shown. Then click **Calculate modes**. EDM calculates the mode shapes, saves them to the shape, and opens the **Animation** tab. The message //"The modal shapes are calculated successfully."// is shown.
  
-FIXME **Screenshot:** Close-up of the shape-saving options (Save to new shape, Save to existing shape, Shape name, Select shape) and the Calculate modes button. +{{:modal:modal-analysis:poles_and_modes.png}}
-{{:ema:stability_diagram_calculate_modes.png|}}+
  
 **NOTE:** If EDM shows //"Name isn't unique, or FRF is different, or the frequency band overlaps"//, then either the shape name is already used, or the existing shape you chose has different DOFs or an overlapping frequency band. Use a different name, or choose a different shape. **NOTE:** If EDM shows //"Name isn't unique, or FRF is different, or the frequency band overlaps"//, then either the shape name is already used, or the existing shape you chose has different DOFs or an overlapping frequency band. Use a different name, or choose a different shape.