Steel Frame Analysis (suffer torsion)

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SUMMARY

The discussion focuses on analyzing torsion in steel frames, specifically addressing the challenges of calculating member forces under torsional loads. Participants recommend using finite element analysis (FEA) tools, particularly Calculix, to simplify the process, as manual calculations are impractical. The conversation also highlights the need for reference materials that provide engineering equations for torsion analysis in steel structures.

PREREQUISITES
  • Understanding of steel frame design principles
  • Familiarity with finite element analysis (FEA) concepts
  • Knowledge of torsional loading effects on structural members
  • Basic proficiency in using Calculix software
NEXT STEPS
  • Research the application of Calculix for torsion analysis in steel frames
  • Study engineering textbooks that cover torsion in structural analysis
  • Learn about alternative methods for solving torsional effects using engineering equations
  • Explore advanced finite element analysis techniques for complex loading scenarios
USEFUL FOR

Structural engineers, civil engineering students, and professionals involved in steel frame design and analysis will benefit from this discussion.

Su Solberg
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Hi every one.

As Steel Frame Manuel mostly discribe the force analysis in vertical loading,

I wonder how can i solve the following case, a member that suffer torison.
Is there any reference book you might suggest me to read ,too?

Thanks for your kind help.

The attached are the cases I would like to calculate:
 

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It appears your applied moment transfers through the green apparatus to become (the negative of) the blue force couple shown in your diagram. Therefore, you have loads applied on your structure, and you would use finite element analysis to solve for the member forces in your frame. Performing finite element analysis by hand calculations would be very tedious and is generally impractical. You could instead perhaps try Calculix[/color] for free.
 
nvn said:
It appears your applied moment transfers through the green apparatus to become (the negative of) the blue force couple shown in your diagram. Therefore, you have loads applied on your structure, and you would use finite element analysis to solve for the member forces in your frame. Performing finite element analysis by hand calculations would be very tedious and is generally impractical. You could instead perhaps try Calculix[/color] for free.

Thanks for suggestion.
I know the frame can be solved by FEA, however I wonder is there any method to solve it by engineering equations.

Is there any books that have such kind of example??

Thank you very much for your kind help.
 

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