Learning Forum

[pv00170]

I am working with a girder bridge. Firstly, I have performed a 2D Fluent simulation to obtain hydraulic pressures on the bridge deck. Then I exported these pressures as CSV.

Now, I am using static structural, where I have imported the pressures and assigned them to the bridge.

The thing is that in Fluent, the bridge is a 2D solid where steel girders have thickness, while in Static structural, the steel girders have been transformed into shells.

Therefore, when importing the pressures from the thick-girder to the midsurface-girder I am encountering some errors.

The problem is that in Fluent each girder undergoes pressure from both sides, while in Static structrual midsurface-girders only import from one side (ignoring the other side's pressures).

This has also been raised in the following links, but I have no solution for this:

• /forum/forums/topic/pressure-difference-of-two-faces/
• /forum/forums/topic/bridge-bearing-modelling-in-static-structural/

[Govindan Nagappan]

Consider using two shells with half the thickness each. You can define bonded contact between the two. Make sure you specify the correct offset type(top and bottom). SO, you will be mapping the pressures on two different bodies for top and bottom