Torsion in thin-walled members

In summary, torsion in thin-walled members is the twisting or rotational deformation caused by a torque or twisting force. Thin-walled members with small cross-sectional areas are more susceptible to torsion, which can significantly reduce their strength and lead to buckling or failure. To prevent torsion, structural members should be designed with sufficient stiffness and strength. Common methods for analyzing torsion in thin-walled members include Saint-Venant's torsion theory, the thin-walled beam theory, and the finite element method. These methods consider shear stress, warping, and stress concentrations to accurately predict the member's behavior under torsion.
  • #1
aerosiyar
1
0
is T=2*q*A formuala valid for both open thin-walled and closed thin-walled members, where T is torque, q is shear flow, and A is the Area.
 
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  • #2
aerosiyar said:
is T=2*q*A formuala valid for both open thin-walled and closed thin-walled members, where T is torque, q is shear flow, and A is the Area.
Are there no physical properties involved?
 

1. What is torsion in thin-walled members?

Torsion in thin-walled members refers to the twisting or rotational deformation of a structural member due to an applied torque or twisting force.

2. What types of thin-walled members are susceptible to torsion?

Thin-walled members such as beams, columns, and tubes with a relatively small cross-sectional area compared to their length are more susceptible to torsion.

3. How does torsion affect the strength of a thin-walled member?

Torsion can significantly reduce the strength of a thin-walled member, especially if the applied torque exceeds the member's torsional capacity. This can lead to buckling, deformation, or failure of the member.

4. How can torsion in thin-walled members be prevented?

Torsion can be prevented by ensuring the structural member is designed with sufficient stiffness and strength to resist the applied torque. This can be achieved through proper material selection and cross-sectional shape design.

5. What are some common methods for analyzing torsion in thin-walled members?

The most common methods for analyzing torsion in thin-walled members include the Saint-Venant's torsion theory, the thin-walled beam theory, and the finite element method. These methods take into account factors such as shear stress, warping, and stress concentrations to accurately predict the behavior of the member under torsion.

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