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Please follow the instructions provided below to set boundary conditions for each bearing location (insertion point) that you have defined while creating the bridge layout.

1

Navigate to to Superstructure > Boundary Conditios > Bearing Fixity

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2

When you reach the "Insertion Point" column, click on the first line, and then select the "Pick" button in the window that appears.

3

Select the insertion points that were defined in the previous step in the 3D view.

Pick all insertion point for define boundary conditions

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4

Set Tx/Ty/Tz/Rx/Ry/Rz.

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5

Set Transfer Force to Substructure as Yes for interior pier locations.

6

Set Transfer Force to Substructure as No for start and end support locations.

7
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titleQuick Tip

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.

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Navigate to Bearing Fixity under Boundary Conditions on the tree view.

Copy Articulation from model inputs and paste into OpenBrIM.

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Tip

Completed Bearing Fixity is illustrated below.

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Bearing Fixity

Articulation

Code Block
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BF1	IP1	Free	Fixed	Fixed	Free	Free	Free	0	NO
BF2	IP2	Free	Fixed	Fixed	Free	Free	Free	0	NO
BF3	IP3	Fixed	Fixed	Fixed	Free	Free	Free	0	YES
BF4	IP4	Fixed	Fixed	Fixed	Free	Free	Free	0	YES
BF5	IP5	Fixed	Fixed	Fixed	Free	Free	Free	0	YES
BF6	IP6	Fixed	Fixed	Fixed	Free	Free	Free	0	YES
BF7	IP7	Free	Fixed	Fixed	Free	Free	Free	0	NO
BF8	IP8	Free	Fixed	Fixed	Free	Free	Free	0	NO