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CST諧振腔體設計分析—CST2013設計實例

    建模前需要設置工作平面大小，方便建模。可以選擇 View: Visibility   Working Plane Working Plane Properties 命令，打開工作平面屬性對話框。模型最大尺寸是215毫米，這樣設置一個250毫米大小的工作平面就足夠了。在對話框的Size項輸入250設置工作平面大小，再在Width項輸入10設置柵格大小。設置完成后，相應的設置值也會顯示在用戶界面的狀態欄。

    建模操作

    This dialog box allows you to review the coordinate settings in the table.  If you encounter any mistakes you can easily change the values by double-clicking on the incorrect coordinates entry field. 

    The next step is to assign a specific Component and a Material to the shape.  In this case, the default settings with component1 and Vacuum are practically appropriate.

    Finally, you should assign a proper Name (e.g. cavity) to the shape and press the OK button in order to create the solid. 

     Smart Pick  and Blend Edge

    Sharp edges inside cavities are best avoided because strong field singularities will occur at these edges.  Therefore, the sharp inner edge (shown on the picture below) should be blended.

    The first step towards blending the edge is to pick the edge in the model by entering the smart pick mode via Modeling: Picks   Picks  (shortcut S) in the main view window.  Once this mode is active, which is indicated by edges and points in the model being highlighted, you can easily double-click at the inner edge.  If the edge is hidden, you can rotate the view using the view changing tools as explained in the Workflow and Solver Overview manual.  Sometimes it is also advantageous to switch the drawing mode to wireframe by selecting View: Visibility  Wire Frame , or use the corresponding shortcut Ctrl+w.

    Once the proper edge has been selected, the model should look as follows:

   If you accidentally picked the wrong edge, you can delete all picks using Modeling: Picks >  Clear Picks  (shortcut d) and try again. 

    The next step is to blend the selected edge.  Therefore, press Modeling: Tools > Blend  . Afterwards, a dialog box will open where you can set the Radius of the blend to 15 mm.

    Finally press the OK button to apply the blend.  The structure should then look as follows:

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