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Getting Started with HFSS: A 20 GHz Waveguide Combiner August 2009 The informat

Getting Started with HFSS: A 20 GHz Waveguide Combiner August 2009 The information contained in this document is subject to change without notice. Ansoft makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Ansoft shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, perfor- mance, or use of this material. © 2009 Ansoft LLC. All rights reserved. Ansoft LLC 225 West Station Square Drive Suite 200 Pittsburgh, PA 15219 USA Phone: 412-261-3200 Fax: 412-471-9427 HFSS and Optimetrics are registered trademarks or trademarks of Ansoft LLC. All other trademarks are the property of their respective owners. New editions of this manual incorporate all material updated since the previous edition. The manual printing date, which indicates the manual’s current edition, changes when a new edition is printed. Minor corrections and updates that are incorporated at reprint do not cause the date to change. Update packages may be issued between editions and contain additional and/or replacement pages to be merged into the manual by the user. Pages that are rearranged due to changes on a previous page are not considered to be revised. Edition Date Software Version 1 January 2006 10.0 2 May 2007 11.0 3 August 2009 12.0 Getting Started with HFSS: A 20 Ghz Waveguide Combiner iii Conventions Used in this Guide Please take a moment to review how instructions and other useful infor- mation are presented in this guide. • Procedures are presented as numbered lists. A single bullet indicates that the procedure has only one step. • Bold type is used for the following: - Keyboard entries that should be typed in their entirety exactly as shown. For example, “copy file1” means to type the word copy, to type a space, and then to type file1. - On-screen prompts and messages, names of options and text boxes, and menu commands. Menu commands are often separated by car- ats. For example, click HFSS>Excitations>Assign>Wave Port. - Labeled keys on the computer keyboard. For example, “Press Enter” means to press the key labeled Enter. • Italic type is used for the following: - Emphasis. - The titles of publications. - Keyboard entries when a name or a variable must be typed in place of the words in italics. For example, “copy file name” means to type the word copy, to type a space, and then to type a file name. • The plus sign (+) is used between keyboard keys to indicate that you should press the keys at the same time. For example, “Press Shift+F1” means to press the Shift key and the F1 key at the same time. • Toolbar buttons serve as shortcuts for executing commands. Toolbar buttons are displayed after the command they execute. For example, “On the Draw menu, click Line ” means that you can click the Draw Line toolbar button to execute the Line command. Alternate methods or tips are listed in the left margin in blue italic text. Getting Started with HFSS: A 20 Ghz Waveguide Combiner iv Getting Help Ansoft Technical Support To contact Ansoft technical support staff in your geographical area, please log on to the Ansoft corporate website, http://www.ansoft.com, click the Contact button, and then click Support. Phone numbers and e- mail addresses for the technical support staff are listed. You can also contact your Ansoft account manager in order to obtain this information. All Ansoft software files are ASCII text and can be sent conveniently by e- mail. When reporting difficulties, it is extremely helpful to include very specific information about what steps were taken or what stages the simulation reached, including software files as applicable. This allows more rapid and effective debugging. Help Menu To access online help from the HFSS menu bar, click Help and select from the menu: • Contents - click here to open the contents of the online help. • Seach - click here to open the search function of the online help. • Index - click here to open the index of the online help. Context-Sensitive Help To access online help from the HFSS user interface, do one of the follow- ing: • To open a help topic about a specific HFSS menu command, press Shift+F1, and then click the command or toolbar icon. • To open a help topic about a specific HFSS dialog box, open the dia- log box, and then press F1. Contents-1 Table of Contents 1. Introduction The Sample Problem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Results for Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 2. Creating the New Project Overview of the Interface . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Create the New Project . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4 Add the New Project . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4 Insert an HFSS Design . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4 Add Project Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5 Save the Project . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5 3. Creating the Model Select the Solution Type . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Set Up the Drawing Region . . . . . . . . . . . . . . . . . . . . . . . . 3-3 Overview of the 3D Modeler Window . . . . . . . . . . . . . . . . 3-3 Coordinate System Settings . . . . . . . . . . . . . . . . . . . . . . . 3-4 Units Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 Grid Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 Transparency Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5 Create the Geometry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6 Draw the Waveguide Combiner . . . . . . . . . . . . . . . . . . . . 3-6 Table of Contents Getting Started with HFSS: A 20 Ghz Waveguide Combiner Contents-2 Draw the Polyline1 Object . . . . . . . . . . . . . . . . . . . . . . . . 3-6 Verify the Points of Polyline1 . . . . . . . . . . . . . . . . . . . . . . 3-10 Duplicate and Mirror Polyline1 . . . . . . . . . . . . . . . . . . . . . 3-12 Unite Polyline1 and Polyline1_1 . . . . . . . . . . . . . . . . . . . 3-13 Rename Polyline1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15 Modify the Waveguide’s Attributes . . . . . . . . . . . . . . . . . . 3-15 Sweep the Waveguide . . . . . . . . . . . . . . uploads/Geographie/ wave-guide 1 .pdf