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Select node at A (keypoint 1) in the lower-right corner and click OK in the pick menu. Select UX for DOFs to be constrained. You can leave the Displacement value blank since the default is zero. Click OK. You'll see an arrow symbol in the Graphics window indicating that the node A is constrained in the radial direction.

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Utility Menu > Select > Entities

Select Areas from the pull-down menu at the top. Make sure By Num/Pick is selected below that. Click Apply.

Hold down the left mouse button until face 1 is picked. Click OK in the pick menu.

Only the area corresponding to face 1 is selected currently. Verify this: Utility Menu > Plot > Areas.

Next we'll select the nodes attached to the selected area. In the Select Entities menu, select Nodes from the pull-down menu at the top and Attached to below that. Select Areas, All below that. Click Apply.

Check that only nodes attached to face 1 are currently selected: Utility Menu > Plot > Nodes

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Main Menu > Preprocessor > Loads > Define Loads > Apply > Structural > Displacement > On Nodes

Pick All nodes in the pick menu. Select UY for DOFs to be constrained and click OK. You'll see arrow symbols in the Graphics window indicating that the nodes on face 1 are constrained in the circumferential direction.

We can use Pick All since only the nodes on face 1 are currently selected. ANSYS commands apply only to the currently selected entities.

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In the Select Entities menu, select Lines from the pull-down menu at the top and By Num/PickApply below that. Click OK.

Click on line AB (L7) and OK in the pick menu.

Next we'll select the nodes attached to the selected line. In the Select Entities menu, select Nodes from the pull-down menu at the top and Attached to below that. Select Lines, All below that. Click Apply.

Check that only nodes attached to line AB are currently selected: Utility Menu > Plot > Nodes

Apply w=0 Along AB

Main Menu > Preprocessor > Loads > Define Loads > Apply > Structural > Displacement > On Nodes

Pick All nodes in the pick menu. Select UZ for DOFs to be constrained and click OK.

Define Function

Recall that the BCs for face 2 are:
v=0.0001(r_c-r) at all face 2 nodes
w=0 along CD (line L5)

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You can enter the function using the calculator buttons or type it in. The variables such as TIME, X, Y etc. that are available for defining functions are in the pull-down list below the Result field. For entering the spatial coordinates X and Y, use the pull-down menu. Enter the function:

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Select vface2.func and click Open.

Enter vface2 for Table parameter name.

Observe that ANSYS displays the equation that will be used in creating the Table array. Click OK.

Select Nodes on Face 2

Start by selecting the whole model to undo previous selects.

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Utility Menu > Select > Entities

Select Areas from the pull-down menu at the top. Select By Num/Pick below that. Click Apply.

Hold down the left mouse button until face 2 is picked. Click OK in the pick menu.

Only the area corresponding to face 2 is selected currently. Verify this: Utility Menu > Plot > Areas.

Next we'll select the nodes attached to the selected area. In the Select Entities menu, select Nodes from the pull-down menu at the top and Attached to below that. Select Areas, All below that. Click Apply.

Check that only nodes attached to face 2 are currently selected: Utility Menu > Plot > Nodes

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Main Menu > Preprocessor > Loads > Define Loads > Apply > Structural > Displacement > On Nodes

Pick All nodes in the pick menu. Select UY for DOFs to be constrained. Select Existing table under Apply as and click OK.

We have defined only one table (VFACE2) and that is automatically selected. Click OK.

You'll see arrow symbols in the Graphics window indicating that the nodes on face 2 are constrained in the circumferential direction.

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In the Select Entities menu, select Lines from the pull-down menu at the top and By Num/Pick below that. Click Apply.

Click on line CD (L5) and OK in the pick menu.

Next we'll select the nodes attached to the selected line. In the Select Entities menu, select Nodes from the pull-down menu at the top and Attached to below that. Select Lines, All below that. Click Apply.

Check that only nodes attached to line CD are currently selected: Utility Menu > Plot > Nodes

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Pick All nodes in the pick menu. Select UZ for DOFs to be constrained. Select Constant value under Apply as and click OK.

Utility Menu > Select > Everything

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