CAD tip # 9345:

Question

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How to include hydrostatic pressure to my FEM simulations?

Standard hydrostatic pressure (steady) can be simulated in the CAE application Autodesk Simulation, or in its cloud version Sim 360. For more detailed analysis of fluids behavior you can use Autodesk Simulation CFD.

In Autodesk Simulation, use the function Setup > Loads > Hydrostatic Pressure and enter the parameters of Fluid Density, the Point on Fluid Surface) and the Surface Normal of Fluid (direction of gravity).

For general shapes of wall surfaces under hydrostatic pressure you can specify the Pressure Type: Normal to the surface, Full pressure in horizontal, or Horizontal component only - see the picture:

For FEM calculations in Inventor Professional you can approximate this analysis type by dividing the vertical surface of the "flooded" volume to bands and apply increasing pressure by their depth under the water level.

SimulationCFDInvPro

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18.7.2013 9916×

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applies to: Simulation/CFD · CFD · InvPro ·

See also:
Tip 14017:	Voronoi diagrams in AutoCAD.
Tip 10682:	Automatic classification of drawing objects by their properties.
Tip 9625:	How to color 3D topo surface model by slope?
Tip 8932:	HEC-RAS Import/Export in higher versions of AutoCAD Civil 3D.
Tip 8406:	How to color 3D topo surface model by elevation?

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