抛物面喇叭馈源.pdf

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An Introduction to HFSS-IE Workshop 6.1 – HFSS-IE Example: HFSS to HFSS-IE Datalink ANSYS, Inc. Proprietary ANSYS, Inc. Proprietary © 2009 ANSYS, Inc. All rights reserved. © 2009 ANSYS, Inc. All rights reserved. WS06.1-1 1-1 February 23, 2009 January 20, 2010 Inventory #002593 Inventory #002704

Introduction An Introduction to HFSS-IE Example – Horn-Fed Reflector Antenna • EMI from Slot at Enclosure Cavity Training Manual Training Manual – This example is intended to show you efficiently how to create, simulate, and analyze horn-fed reflector antenna system, using the Ansoft HFSS and HFSS-IE Design Environment. • Step I: HFSS Design of horn antenna; • Step2: HFSS-IE design of reflector and horn, with excitation linking to HFSS design in step I. – Enhanced datalink from HFSS (Horn) to HFSS-IE (Reflector) takes into account of aperture blockage due to the feed (horn) in the reflector antenna system. ANSYS, Inc. Proprietary ANSYS, Inc. Proprietary © 2009 ANSYS, Inc. All rights reserved. © 2009 ANSYS, Inc. All rights reserved. WS06.1-2 1-2 February 23, 2009 January 20, 2010 Inventory #002593 Inventory #002704

Introduction An Introduction to HFSS-IE Getting Started • Getting Started of HFSS for Horn Antenna Training Manual Training Manual • Launching Ansoft HFSS – To access Ansoft HFSS, click the Microsoft Start button, select Programs, and select the Ansoft, HFSS 12 program group. Click HFSS 12. • Setting Tool Options – Note: In order to follow the steps outlined in this example, verify that the following tool options are set : – Select the menu item Tools > Options > HFSS-IE Options • Click the General tab – Use Wizards for data input when creating new boundaries: Checked – Duplicate boundaries with geometry: Checked • Click the OK button – Select the menu item Tools > Options > Modeler Options. • Click the Operation tab – Automatically cover closed polylines: Checked • Click the Drawing tab – Edit property of new primitives: Checked • Click the OK button ANSYS, Inc. Proprietary ANSYS, Inc. Proprietary © 2009 ANSYS, Inc. All rights reserved. © 2009 ANSYS, Inc. All rights reserved. WS06.1-3 1-3 February 23, 2009 January 20, 2010 Inventory #002593 Inventory #002704

Introduction An Introduction to HFSS-IE • Opening a New Project – To open a new project: Training Manual Training Manual 1. If a new project has not been inserted automatically, In an Ansoft HFSS-IE window, click the On the Standard toolbar, or select the menu item File > New. 2. Select the menu item Project > Insert HFSS Design 3. Select the menu item HFSS >Solution Type 1. Select Driven Modal 2. Click OK button ANSYS, Inc. Proprietary ANSYS, Inc. Proprietary © 2009 ANSYS, Inc. All rights reserved. © 2009 ANSYS, Inc. All rights reserved. WS06.1-4 1-4 February 23, 2009 January 20, 2010 Inventory #002593 Inventory #002704

Introduction An Introduction to HFSS-IE • Creating the 3D Model • Set Model Units – To set the units: 1. Select the menu item Modeler > Units 2. Set Model Units: 1. Select Units: in 2. Click the OK button • Set Default Material – To set the default material: – To set the default material: 1. Using the 3D Modeler Materials toolbar, choose Vacuum as the default material Training Manual Training Manual ANSYS, Inc. Proprietary ANSYS, Inc. Proprietary © 2009 ANSYS, Inc. All rights reserved. © 2009 ANSYS, Inc. All rights reserved. WS06.1-5 1-5 February 23, 2009 January 20, 2010 Inventory #002593 Inventory #002704

Introduction An Introduction to HFSS-IE • Creating the Horn – Create Base 1. Select the menu item Draw > Box 2. Using the coordinate entry fields, enter the box origin – X: 5.475, Y: -0.45, Z: -0.2, Press the Enter key 3. Using the coordinate entry fields, enter the size of the box: – dX: 0.315, dY: 0.9, dZ: 0.4, Press the Enter key – To set the name: 1. Select the Attribute tab from the Properties window. 2. For the Value of Name type: base 3. Click the OK button – To fit the view: 1. Select the menu item View > Fit All > Active View. Or press the CTRL+D key Training Manual Training Manual ANSYS, Inc. Proprietary ANSYS, Inc. Proprietary © 2009 ANSYS, Inc. All rights reserved. © 2009 ANSYS, Inc. All rights reserved. WS06.1-6 1-6 February 23, 2009 January 20, 2010 Inventory #002593 Inventory #002704

Training Manual Training Manual Introduction An Introduction to HFSS-IE • Creating the Horn (Continued) – Create Conical Horn 1. Select the menu item Modeler > Grid Plane > YZ 2. Select the menu item Draw > Rectangular 3. Using the coordinate entry fields, enter the box origin – X: 5.16, Y: -0.45, Z: -0.2, Press the Enter key 4. Using the coordinate entry fields, enter the size of the box: – dX: 0, dY: 0.9, dZ: 0.4, Press the Enter key 5. Click the OK button 6. Select the menu item Draw > Rectangular 7. Using the coordinate entry fields, enter the box origin – X: 0, Y: -1.325, Z: -0.972, Press the Enter key 8. Using the coordinate entry fields, enter the size of the box: – dX: 0, dY: 2.65, dZ: 1.944, Press the Enter key 9. Click the OK button 10. Select menu item Edit > Select > By Name and multiple selection (hold on Ctrl key) of Rectangule1 and Rectangular2 11. Click the OK button 12. Select menu item Modeler > Surface > Connect – To set the name: 1. Double click Rectangular1 under model tree 2. For the Value of Name type: Horn 3. Click the OK button ANSYS, Inc. Proprietary ANSYS, Inc. Proprietary © 2009 ANSYS, Inc. All rights reserved. © 2009 ANSYS, Inc. All rights reserved. WS06.1-7 1-7 February 23, 2009 January 20, 2010 Inventory #002593 Inventory #002704

Training Manual Training Manual Introduction An Introduction to HFSS-IE • Creating the Horn (Continued) – Create Conical Horn 1. Select menu item Edit > Select > By Name 2. Multiple selection (hold on Ctrl key) of Horn and Base 3. Click the OK button 4. Select menu item Modeler > Boolean> Unite 5. Select menu item Edit > Select > Faces 6. Select menu item Edit > Select > By Name 7. Select Horn and Multiply select first 9 Face IDs 8. Click the OK button 9. Select menu item Modeler > Surface > Detach Faces 10.Select menu item Edit > Select > Objects 11.Select menu item Edit > Select > By Name 12. Select Horn and Horn_Detach1, 2, 3, 4, 7, 8,9 13. Click the OK button 14. Select menu item Modeler > Boolean> Unite 15. Double click Horn_detach5 under model tree 16.For the Value of Name type: Horn_Port 17.Click the OK button 18. Select menu item HFSS >Boundaries >Assign >Perfect E 19. Click the OK button ANSYS, Inc. Proprietary ANSYS, Inc. Proprietary © 2009 ANSYS, Inc. All rights reserved. © 2009 ANSYS, Inc. All rights reserved. WS06.1-8 1-8 February 23, 2009 January 20, 2010 Inventory #002593 Inventory #002704

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