(001) Sketching

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WS3.1-1 ANSYS, Inc. Proprietary© 2009 ANSYS, Inc. All rights reserved.

April 28, 2009Inventory #002597

Workshop 3.1

Sketching

DesignModeler

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Workshop Supplement

• Using a simple example, let’s see how we put to use what we’veseen so far (note RMB = Right Mouse Button).

• Goal: – Sketch a rectangle 50mm high and 75mm wide with the bottom left corner

at the origin. – Add a 10mm radius circle within the rectangle with the center 20mm from

the left side and 30mm from the bottom. – Place all dimensions where they can be easily viewed.

R = 10mm

50mm

75mm

30mm

20mm

Goals

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• Start Workbench. Double click on Geometry undercomponent systems.

• This will create a ‘Geometry component’ in the ProjectSchematic area.

Launch DesignModeler

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• Right click on and click on “New Geometry…”• This will launch a DM Window with a prompt to select

desired length unit. Select “Millimeter” and click OK.

Launch DesignModeler…

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• When DM starts, switch to sketch mode using theSketching tab.

– Note: use the “Look At” icon (or RMB options) to orient the

sketch plane in the normal direction.• Select the “Rectangle” tool and place the cursor at the

origin. – Once the “P” (point constraint) symbol shows, click, hold

and drag, then release to create the rectangle.

Icon

RMB

D r a g

Click

Hold

Release

Create Geometry

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• Before continuing, click the “Zoom to Fit” icon (or RMBmenu).

• Now choose the “Circle” tool and click at an approximate

location within the rectangle where the center would be,drag and release to create the circle.

Icon

RMB

Click, Hold

D r a g Release

Create Geometry…

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• We’ll now formalize the sketch by adding dimensions.• Width of Rectangle: Select the Dimension toolbox and leave the default selection

at “General”.

– Click on the top line of the rectangle to display the horizontal dimension ‘H1’. – Move the mouse upwards to move the dimension above the rectangle. – Click again to place the dimension.

Click M o v e Click

Create Geometry…

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• Height of Rectangle: With the “General” selection – Click on the right line of the rectangle to display the height dimension. – Move the mouse to select a location for the dimension.

– Click to place the dimension.• Diameter of Circle: With the “General” selection

– Click on the circle to display the diameter dimension. – Move the mouse to select a location for the dimension. –

Click to place the dimension.• Horizontal Distance of Center of Circle: With the “General” selection

– Click on the center of circle then click on left vertical edge of the rectangle. – Move the mouse to select a location for the horizontal distance dimension. – Click to place the dimension.

• Vertical Distance of Center of Circle: With the “General” selection – Click on the center of circle then click on bottom horizontal edge of the rectangle. – Move the mouse to select a location for the vertical distance dimension. – Click to place the dimension.

Create Geometry…

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• Next modify the details for each dimension to the desired values asshown.

50mm

D = 20mm

75mm

30mm

20mm

Create Geometry…

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• Use the “Move” function in the Dimension toolbox to position the dimensions – Select Move in the Dimensions toolbox. – Click on the dimension to be moved. – Move the mouse to select a position for the dimension. – Click to place the dimension.

Create Geometry…

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• Now try animating several dimensions: – Choose the “Animate” function then click on a dimension in the graphics window

• Change the dimension display from “Name” to “Value”.

Create Geometry…

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• As a last check of our stated goals go to the details for sketch 1 and change “ShowConstraints?” to “Yes”.

• Scroll down to the details for Line7 and note the base point is coincident with the origin - - DMcaptured our design intent during sketching.

Note: leave DM session running as we will continue with this geometry later.

Create Geometry…

(001) Sketching

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