ANSYS 10.0 Workbench Tutorial - Exercise 7, Electromagnetics

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Exercise 7 – ObjectiveExercise 7 – Objective

• Analysis of a 2 gap solenoid

• A DC solenoid consists of a coil wrapped around a

permeable “U” shaped body and an armature. An analysis is performed to determine forces acting on both the body and the armature.


Getting StartedGetting Started

Before starting Exercise 7 copy the following file

to a local working directory

…\ANSYS ED Tutorial\Samples\Exercise7.iges

…\ANSYS ED Tutorial\Samples\Exercise7.txt


Exercise 7 - OutlineExercise 7 - Outline

• Opening and importing models

• Using the Winding Tool

• Defining Enclosures

• Naming Components

• Defining Environments

• Defining Required Results

• Viewing Results

• Saving Files


Step 1A – Open the ANSYS WorkbenchStep 1A – Open the ANSYS Workbench

Launch the ANSYS Workbench


Step 1B – Open the DesignModelerStep 1B – Open the DesignModeler

Select New Geometry


Step 1C – Set the Modeling UnitsStep 1C – Set the Modeling Units

1. Change the desired unit

length to millimeters

2. Click OK


Step 1D – Import an IGES fileStep 1D – Import an IGES file

1. Select “File>Import

External Geometry File”

2. Select (import)

“Exercise7.iges”


Step 1E – Generate the ModelStep 1E – Generate the Model

1. Select “Generate” to import and

display the model


Step 2A – Open the Winding ToolStep 2A – Open the Winding Tool

1. Select “Tools>Winding Tool”


Step 2B – Set the Winding PlaneStep 2B – Set the Winding Plane

1. Select the “XYPlane”

2. Select “Apply”


Step 2C – Import a Winding TableStep 2C – Import a Winding Table

1. Browse for the Winding

Table File

2. Select “Exercise7.txt”

3. Select “Generate”


Step 2D – Set Viewing OptionStep 2D – Set Viewing Option

1. Select “View>Show

Cross Section Solids”


Step 2E – Set the Stack LengthStep 2E – Set the Stack Length

1. Select the Winding

2. Change the Stack Length

to 50 mm



Step 3A – Define the EnclosureStep 3A – Define the Enclosure

1. Select “Tools>Enclosure”


Step 3B – Set Cushion and MergingStep 3B – Set Cushion and Merging


2. Change the

Cushion to 50 mm

1. VERY IMPORTANT!

Change “Merge Parts”

field to “yes”


Step 4 – Save the ModelStep 4 – Save the Model

1. Select “File>Save”

2. Select the folder tab to return to

the Project Page


Step 5 – Open a New SimulationStep 5 – Open a New Simulation

Note: You may need to expand the

menus to view the above options

1. Make sure “Solid Bodies” is checked

2. Make sure the “Analysis Type”

is set to “3D”

3. Select “New Simulation”


Step 6 – Name the PartsStep 6 – Name the Parts

Note:

Order

may

vary

1. Select each part

right mouse click

then left mouse

click “Rename”

and name parts as

shown

1. Expand Geometry and

Parts in the Outline

air

Pole2 BackBar

Keeper

coil

Pole1


Step 7A – Insert Magnetic Flux DensityStep 7A – Insert Magnetic Flux Density

1. Left click (select) the “Environment”

2. Right click to bring up the pop-

up “context” menu

3. Select “Insert>Magnetic Flux

Parallel”


Step 7B – Hide unwanted bodiesStep 7B – Hide unwanted bodies

1. Using the left mouse button and the

control key select all geometry with

the exception of “air”

2. Right mouse click to bring up

the context menu

3. Select “Hide Body”


Step 7C – Enter Box Select ModeStep 7C – Enter Box Select Mode

2. Activate “Box Select” from the

toolbar


Step 7D – Select bounding facesStep 7D – Select bounding faces

1. Holding the left mouse

key drag the box from

right to left to select all

geometry in and

crossing the box

2. Select “Apply”


Step 7E – Validate SelectionStep 7E – Validate Selection

Verify that the 6 faces defining the air

boundary have been selected


Step 8A – Unhide all bodiesStep 8A – Unhide all bodies

1. Select “Geometry”


the context menu

3. Select “Show All Bodies”


Step 8B – Hide the enclosing airStep 8B – Hide the enclosing air

1. Select the part representing the “air”


the context menu

3. Select “Hide Body”


Step 9 – Set the “Current” valueStep 9 – Set the “Current” value

1. In your “Environment”

select the Conductor

2. Set the Conductor Current to

5000 mA


Step 10A – Set Flux ResultsStep 10A – Set Flux Results

1. Select the “Solution”

2. Right mouse click to bring

up the context menu

3. Select “Insert>Electormagnetic>Total

Flux Density”


Step 10B – Set “Keeper” resultsStep 10B – Set “Keeper” results

1. Set the selection filter to “bodies”

2. Select the

“Keeper”

3. Select the Solution

4. Right mouse click

to bring up the

context menu

5. Select

“Insert>Electormagnetic>

Directional Force/Torque”


Step 10C – Set “BackBar” resultsStep 10C – Set “BackBar” results


2. Select the

“BackBar”

and poles

3. Select the Solution

4. Right mouse click

to bring up the

context menu

5. Select

“Insert>Electormagnetic>

Directional Force/Torque”


Step 11A – Set Mesh RelevanceStep 11A – Set Mesh Relevance

1. Select the “Mesh”

2. Set the Mesh

“Relevance” to -100

This is required to reduce the size of

the mesh when using ANSYS ED


Step 11B – Set Mesh Size ControlStep 11B – Set Mesh Size Control




2. Select the

“BackBar”,

“Keeper”

and poles

3. Select “Mesh”

4. Right click and select

“Insert>Sizing”


Step 11C – Set Element SizeStep 11C – Set Element Size



1. Set the Element Size

to 40 mm

3. Select “Solve”


Step 12A View Flux ResultsStep 12A View Flux Results

2. Use the

‘Vector

Display”

toolbar to

adjust

your result

image

1. Select “Total Flux Density”


Step 12B – Review Force/TorqueStep 12B – Review Force/Torque

1. Select a two pane display

2. Select the first pane

and the “Keeper”

Result

3. Select the second pane

and the “BackBar” and

poles Result


Step 12B – Review Force/TorqueStep 12B – Review Force/Torque

1. Select the folder tab to

return to your Project Page


Step 13 – Save ResultsStep 13 – Save Results


CongratulationsCongratulations

• You have completed Exercise 7 a simple example of Electromagnetic simulation

• Additional information on the Electromagnetic capabilities of the ANSYS Workbench can be

found in the ANSYS Workbench documentation delivered with ANSYS ED

Documents

ANSYS 10.0 Workbench Tutorial - Exercise 7, Electromagnetics