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Getting Started: A 3D Magnetic Force Problem
Introduction
General Procedure
The Sample Problem
Meshes
Create a Project
Access the Maxwell Control Panel
Start the Project Manager
Create a Project Directory
Create a New Project
Enter Notes
Draw the Model
Open the Project
Side Window
Snaps
Define the Problem Region: Coordinates and Units
Create the Electromagnet
Create the Hole for the Core
Draw the Core
Saving Your Project
Create the Magnet
Create a Terminal
Create the Coil Terminal
Define the Problem Region
Define the Problem Region
Shading and Rendering
Exit the 3D Modeler
Define The Problem
Access the Material Manager
Access the 3D Boundary/Source Manager
Assign a Current to the Coil
Assigning the Source to the Terminal
Exit the 3D Boundary/Source Manager
Generate a Solution
Setup Executive Parameters
Exiting the Executive Parameters Module
Specifying Solution Criteria
Solver Type
Adaptive Analysis
Viewing the Mesh
Solve
Monitoring the Solution
Completing the Solution Process
Viewing the Final Convergence Data
Viewing the DC Conduction Convergence
Viewing the Statistics of the Solution
Analyze the Solution
View Forces
Access the Post Processor
Create an Arrow Plot of the B-Field
Change the View of the Plot
Plot the Magnitude of the B-Field
Redisplay the Shaded Plot on a Cutplane
Exit the Post Processor
Exit Maxwell 3D
3d.bk : 0title2 1 Wed Mar 27 13:09:59 2002 Maxwell® 3D Field Simulator NSOFT Getting Started: A 3D Magnetic Force Problem February 2002
3d.bk : notice.fm ii Wed Mar 27 13:09:59 2002 Notice 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, performance, or use of this material. This document contains proprietary information which is protected by copyright. All rights are reserved. Ansoft Corporation Four Station Square Suite 200 Pittsburgh, PA 15219 (412) 261 - 3200 UNIX is a registered trademark of UNIX Systems Laboratories, Inc. Windows is a trademark of Microsoft® Corporation. © Copyright 2002 Ansoft Corporation ii
3d.bk : 0front.fm iii Wed Mar 27 13:09:59 2002 Printing History New editions of this manual include material updated since the previous edition. The manual printing date, indicating the manual’s current edition, changes when a new edition is printed. Minor corrections and updates 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 which are rearranged because of changes on a previous page are not considered to be revised. Edition Date Software Revision 1 2 3 4 5 6 7 February 1991 1.0 April 1992 December 1993 October 1996 September 1999 December 2000 February 2002 1.2 3.0 4.1 5.0 6.0 9.0 iii
3d.bk : 0front.fm iv Wed Mar 27 13:09:59 2002 Typeface Conventions Computer Computer type is used for on-screen prompts and messages, for field names, and for key- board entries that must be typed in their entirety exactly as shown. For example, the instruction “copy file1” means to type the word copy, to type a space, and then to type file1. Menu/Command Computer type is also used to display the com- mands that are needed to perform a specific task. Menu levels are separated by forward slashes (/). For example, the instruction “Choose File/Open” means to choose the Open command under the File menu. Italic type is used for emphasis and for the titles of manuals and other publications. Italic type is also used for keyboard entries when a name or a variable must be typed in place of the words in italics. For example, the instruc- tion “copy filename” means to type the word copy, to type a space, and then to type the name of a file, such as file1. Helvetica type is used for labeled keys on the computer keyboard. For example, the instruc- tion “Press Return” means to press the key on the computer that is labeled Return. Italics Keys iv
3d.bk : 0front.fm v Wed Mar 27 13:09:59 2002 Installation Before you use Maxwell 3D, you must: 1. 2. Set up your system’s graphical windowing system. Install the Maxwell software, using the directions in the Ansoft PC or UNIX Installation Guide. If you have not yet done these steps, refer to the Ansoft Installation guides and the documentation that came with your computer system, or ask your system administrator for help. Using a Graphical User Interface If you are familiar with the concepts of using a mouse, menus, and other graphical user interface (GUI) tools, skip to Chapter 1, “Introduction.” If you have not used GUI systems before, this section will help you understand some of the terminology used in this guide. Since GUIs are basically visual, the best way to learn to use them is by practicing on your system. Most GUI systems use a mouse as a pointing device, with which you can select areas on the screen for command execution and moving from one program to another. Your mouse may have 2 or 3 buttons; Maxwell 3D ignores the middle button on 3-button models, since Ansoft products do not use this button. You can program mouse buttons to work in non-standard ways, as you might want to if you are left-handed. For simplicity, the left-hand button (under your forefinger if you are right-handed) is called the left button, and the one on far right is the right mouse button. You will probably find the terms intuitive once you use these buttons a few times. v
3d.bk : 0front.fm vi Wed Mar 27 13:09:59 2002 Point and Click; Right Click To choose an item with the mouse, first move it on your desk until the arrow cursor is on that item; you are now “pointing” at the item. Next, press and release the left button; this is called “clicking.” Point-and- click is the most common action you will make with your mouse. Generally, “click” refers to a left mouse button click. You can sometimes use your right mouse button to access or enter commands. In the 3D Modeler for instance, a right mouse button click causes a short menu of commands to appear at the mouse cursor. Generally, “right click” refers to a right mouse button click. Double-Click Occasionally you may want to select all of the text in a box, or perform a special task (such as indicating the end of drawing a line) while you are using Maxwell 3D. You can do this efficiently by quickly clicking twice with your left mouse button — a “double- click”. Dragging Objects; Click and Hold When you are drawing in the 3D Modeler, you can often use your mouse to enter objects and move around the screen. Frequently, you will click the mouse button and hold it down until the next part of the command is reached (the object is moved, the next point is entered, and so forth). If you click and hold on the edge of a window, you can position, or drag, the window on your screen. You can often drag objects in Maxwell; experiment to see what will move. Tool bars are shortcut methods for entering commands. There is a tool bar in the 3D Modeler and most of the setup modules for several commands. To use a tool bar, click the mouse cursor on the button you want to use. Here is an example of a tool bar: Tool Bars vi
3d.bk : 0front.fm vii Wed Mar 27 13:09:59 2002 Menus Within each screen of Maxwell 3D are areas which list subsets, or menus, of commands. You can access a menu by clicking your mouse on the word or button that indicates the menu. The menu is pulled down, listing the commands available on that menu. (For example, the New command is available on the File menu.) Usually, the menu will remain displayed until you choose a command, or click on the desktop to exit. If the menu does not remain displayed, click and hold the mouse button, then release the button to make your choice. An arrow on the right side of a command indicates that there is a submenu for that command. An ellipsis (. . .) indicates that a pop-up window appears after choosing this command. When you are asked to use a menu command, each level is separated by a “/”. Thus, to zoom in on a drawing, you would choose the View/ Zoom In menu command. To open a new file, you would choose File/ New. There are also pop-up menus, which appear when you right-click on a Maxwell modeler window. Choose commands from these menus in the same way as from menu bars. For more information on using GUIs, refer to “User Interface” in the Maxwell Control Panel’s online help system. Other References For detailed information on Maxwell 3D commands, refer to the online documentation for the Maxwell 3D Field Simulator. To start Maxwell 3D, you must first access the Maxwell Control Panel. For more detailed information on the Maxwell Control Panel commands, refer to the Maxwell Control Panel’s online help system. vii
3d.bk : 0front.fm viii Wed Mar 27 13:09:59 2002 viii
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