4A. Apply Boundary Conditions




As stated in the problem description, the plate is constrained from displacement in the x and y direction at (x=0", y=1") and from displacement in the y direction at (x=4", y=1")

PREPROCESSOR -> Loads

      LOADS -> Define Loads

Then select each node you want to apply displacement on. In this problem, you are asked to set the displacement along X and Y axis at (0,1) and (4,1) to be zero. In order to do that, you would have to fix one node at a time.

Let's begin with point(0,1).
Click on the node(0,1). Then click OK. Then the window below will appear.

Click on UX and UY and input a value of 0 in the last box. Click OK.

This figure is a part of the rectangle after we have fixed point(0,1).

So, now you can do the second node. Repeat the same procedure EXCEPT that you set the displacement along Y axis at (4,1) to be zero.

DO NOT SET UX TO BE ZERO BUT SET UY TO BE ZERO.

Here is what the rectangle should look like after we have fixed two points(0,1) and (4,1),


Note : The point on the left side of the plate has two arrows (Constrained in the x and y directions) and the point on the right side of the plate has one arrow (Constrained in the y direction only)

REMEMBER TO SAVE YOUR FILE OFTEN.