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## Inventor General

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Posts: 3
Registered: ‎08-20-2012
Message 1 of 6 (381 Views)

# Beam/colmn Calculotor: Changing the angle of a distributed load

381 Views, 5 Replies
08-20-2012 09:38 AM

I am using beam/column calculator in the frame generator in inventor 2010 suite.

I have a beam being used for a flight of stairs it is positioned 40 deg above the 'floor' or my xy plane in my assembly.

I want to place a distributed load acting as if there were several people stading on the stairs at one time so in the direction of the z axis of my assembly.

The problem I am having is I try to change the angle of the distributed load but it only allows me to change the x and y components of the load. You can see this in the screenshots i took.

Is there a way I can:

a) change the angle of the laod in the Z directions

or

b) change the cordinates in beam itself so the x axis is along the length of the beam instead of the z axis.

I have tried adding a UCS to the beam part but it still wants to choose the length of the beam as the z axis.

Any help would be greatly appreciated.

Matt

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Posts: 1,018
Registered: ‎09-03-2008
Message 2 of 6 (355 Views)

# Re: Beam/colmn Calculotor: Changing the angle of a distributed load

08-20-2012 01:52 PM in reply to: vogelzmr

I'm not sure what all of the options are in the beam calculator, but you could do this by splitting your load into a Y component and an axial load component (Z component).  So in effect, you will have two loads applied.  One for the vertical Y component of the total load, and an axial load for the Z component.  Does that make sense?

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Posts: 3,443
Registered: ‎11-13-2006
Message 3 of 6 (352 Views)

# Re: Beam/colmn Calculotor: Changing the angle of a distributed load

08-20-2012 02:09 PM in reply to: vogelzmr

Select/Check the Vector box in the Load dialogue box. You can then enter in your load vectors, or create a work axis and use it for load direction. I believe you can even use a Work-Axis to define the load direction (still need to "Check") the vector box.

Sorry, I was thinking of either analysis in model or frame-gen.

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Posts: 3
Registered: ‎08-20-2012
Message 4 of 6 (323 Views)

# Re: Beam/colmn Calculotor: Changing the angle of a distributed load

08-21-2012 10:06 AM in reply to: blair

There is no vector box to 'check' i think that is a feature of the stress analysis found in the 2010 pro version, which i unfortunately do not have. I am using the beam/column calculator found in the frame generator feature of the 2010 suite version.

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Member
Posts: 3
Registered: ‎08-20-2012
Message 5 of 6 (321 Views)

# Re: Beam/colmn Calculotor: Changing the angle of a distributed load

08-21-2012 10:08 AM in reply to: cwhetten

This will work, i just was hoping to avoid breaking up my applied load into axial and shearing loads, i know that is lazy of me, thanks for the help!

Matt

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Posts: 527
Registered: ‎03-29-2007
Message 6 of 6 (308 Views)

# Re: Beam/colmn Calculotor: Changing the angle of a distributed load

08-21-2012 01:31 PM in reply to: vogelzmr

Good information, thanks for sharing.

Jonathan D. Kriek

Autodesk Inventor Certified Expert
Microsoft Certified Application Developer
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