Maxwell SV Getting Started: A 2D Magnetostatic Problem - LES

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Getting Started: A 2D Magnetostatic Problem The Sample Problem The sample problem, shown below, is a solenoid that consists of the following objects: • Core • Bonnet • Coil • Yoke • Plugnut CORE COIL BONNET The 2D diagram above actually represents a 3D structure that has been revolved around an axis of symmetry, as shown in the figure below. In this figure, part of the 3D model has been cut away so that you can see the interior of the solenoid. Since the cross-section of the solenoid is constant, it can be modeled as an axisymmetric model in Maxwell SV. 1-2 Introduction YOKE PLUGNUT BACKGROUND
Getting Started: A 2D Magnetostatic Problem General Procedure for Creating and Solving a 2D Model The general procedure to follow when using the software to create and solve a 2D problem is given below: 1. Use the Solver command to specify which of the following electric or magnetic field quantities to compute: • Electrostatic • Magnetostatic • Eddy Current • DC Conduction • AC Conduction • Eddy Axial 2. Use the Drawing command to select one of the following model planes: XY Plane Cartesian models appear to sweep perpendicularly to the cross-section. RZ Plane Axisymmetric models appear to revolve around an axis of symmetry in the cross-section. 3. Use the Define Model commands to create the geometric model. When you click Define Model, the following menu appears: Draw Model Allows you to access the 2D Modeler and build the objects that make up the geometric model. Group ObjectsAllows you to group discrete objects that are actually one electrical object. For instance, two terminations of a conductor that are drawn as separate objects in the cross-section can be grouped to represent one conductor. 4. Use the Setup Materials command to assign materials to all objects in the geometric model. 5. Use the Setup Boundaries/Sources command to define the boundaries and sources for the problem. This determines the electromagnetic excitations and field behavior for the model. 6. Use the Setup Executive Parameters command to instruct the simulator to compute one or more of the following special quantities during the solution process: • Matrix (capacitance, inductance, admittance, impedance, or conductance matrix, depending on the selected solver). • Force • Torque • Flux lines • Post Processor macros • Core loss • Current flow 7. Use the Setup Solution Options command to enter parameters that affect how the solution is computed. Introduction 1-3
Page 1 and 2: November 2002 Maxwell ® 2D Student
Page 3 and 4: Printing History Getting Started: A
Page 5 and 6: Typeface Conventions Getting Starte
Page 7 and 8: Table of Contents 1. Introduction .
Page 9 and 10: Getting Started: A 2D Magnetostatic
Page 11: Introduction This guide is a tutori
Page 17 and 18: Creating the Project This guide ass
Page 19 and 20: Create a Project Directory Getting
Page 21 and 22: Save Project Notes Getting Started:
Page 23 and 24: Overview of the Executive Commands
Page 25 and 26: Creating the Model In the last chap
Page 27 and 28: Access the 2D Modeler Use the 2D Mo
Page 29 and 30: The Solenoid Model Getting Started:
Page 31 and 32: Change the Drawing Size Getting Sta
Page 33 and 34: Create the Geometry Getting Started
Page 35 and 36: Draw the Core Use the Object>Polyli
Page 39 and 40: Exit the 2D Modeler To save your mo
Page 41 and 42: Setting Up the Model Now that you h
Page 43 and 44: Assign Copper to the Coil Getting S
Page 45 and 46: Define the Minimum and Maximum Valu
Page 47 and 48: Assign Neo35 to the Core Getting St
Page 51 and 52: H B 438 1.01 517 1.08 597 1.11 716
Page 57 and 58: side of the window. The geometric m
Page 59 and 60: Generating a Solution Now you are r
Page 61 and 62: Solver Choice Getting Started: A 2D
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Viewing Convergence Data Getting St
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Viewing Final Convergence Data If c
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Viewing Statistics Getting Started:
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Analyzing the Solution Now that you
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Post Processor Screen Layout Gettin
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Getting Started: A 2D Magnetostatic
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Getting Started: A 2D Magnetostatic
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Exit the Post Processor To exit the
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A adaptive analysis 5-3 Ansoft soft
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Solutions 6-2 Solve 5-4 Solver 3-2
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Plot 6-6 Plot Force 5-8 plots conve
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Maxwell SV Getting Started: A 2D Magnetostatic Problem - LES

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