FEA Bearing [EX1-SIG]

After clicking on 'Superstructure> Boundary Conditions> Bearing Fixity' in the navigation treeview, follow the steps to define the Bearing Fixity. You can use the collapsed documentation page below for more information on the explanations of each parameter.

Bearing Fixity

FEA Bearing [SIG]

1

🖱️ Click three-dots icon on Insertion Point cell and click Select.

2

🖱️ Select Insertion Point as a IP1 and Click OK.

3

Quick Tip: Learn what the "Bearing Fixity" parameters mean.

In this part, dofs are assigned to nodes. The coordinate system of the each insertion point changes along the support line and alignment. According to this new coordinate system, new dofs should be assigned.

Tx/Ty/Tz/Rx/Ry/Rz fixities are shown below.

Bearing Rotation parameter rotates the support clockwise in the XY plane.

FE behaviour of Transfer Force to Substructure.

4

🖱️ Keep the Tx as default.

5

🖱️ Click the three-dots icon on the Ty and Tz cell, and then set Fixed.

6

🖱️ Keep the Rx, Ry, Rz, Bearing Rotation and Transfer Forces to Substructure as default.

7

🖱️ Keep the bearing’s name as default.

8

When the steps are completed, the shared screenshot displayed in the adjacent cell should be visible in the 3D view of OpenBrIM.

9

To model all the Bearing Fixity, copy the data below and paste the parameters into the first cell in OpenBrIM spreadsheet. Refer to the quick tip for an easy guide on how to perform the copy operation. After completing the copy, proceed to the next step to verify the model.

Quick Tip: Learn how to Copy inputs to OpenBrIM Copy the desired data with the automatic copy button in the upper left corner. Click on the first cell in and use the Ctrl+V shortcut to paste. If icon won’t appear, collapse page tree menu by clicking on arrow or using shortcut “[”. While pasting large data, it would be handy to turn of Auto-refresh .

FEA Bearing

Articulation

BF1	IP1	Free	Fixed	Fixed	Free	Free	Free	0.0000	NO
BF2	IP2	Free	Fixed	Fixed	Free	Free	Free	0.0000	NO
BF3	IP3	Free	Fixed	Fixed	Free	Free	Free	0.0000	NO
BF4	IP4	Free	Fixed	Fixed	Free	Free	Free	0.0000	NO
BF5	IP5	Fixed	Fixed	Fixed	Free	Free	Free	0.0000	YES
BF6	IP6	Fixed	Fixed	Fixed	Free	Free	Free	0.0000	YES
BF7	IP7	Fixed	Fixed	Fixed	Free	Free	Free	0.0000	YES
BF8	IP8	Fixed	Fixed	Fixed	Free	Free	Free	0.0000	YES
BF9	IP9	Free	Fixed	Fixed	Free	Free	Free	0.0000	YES
BF10	IP10	Free	Fixed	Fixed	Free	Free	Free	0.0000	YES
BF11	IP11	Free	Fixed	Fixed	Free	Free	Free	0.0000	YES
BF12	IP12	Free	Fixed	Fixed	Free	Free	Free	0.0000	YES
BF13	IP13	Free	Fixed	Fixed	Free	Free	Free	0.0000	NO
BF14	IP14	Free	Fixed	Fixed	Free	Free	Free	0.0000	NO
BF15	IP15	Free	Fixed	Fixed	Free	Free	Free	0.0000	NO
BF16	IP16	Free	Fixed	Fixed	Free	Free	Free	0.0000	NO

The completed bearing fixity are illustrated below. Please verify that you have the same model on your end by examining each view provided here. For more information on how to perform visual checks, refer to the quick tips.

Quick Tip: Learn how to show Model Click on the arrow button above the Analysis button located in the upper-left corner of the OpenBrIM screen. Click on the Model button on the screen that opens up.

To view the entire procedure explained on this page, please watch the recorded Video below.

20231004120031.mp4