A thin-walled beam of hollow circular cross-section shown below is subject to both torsional and transverse loads. The outside diameter do= 100mm and wall thickness t= 5mm. At a specific cross-section, the bending moments are My = 600 N.m, Mz = 950 N.m and torsional moment is Mx=T=500 N.m. Calculate the principal stresses and the maximum shear stress at point A. Assume angle θ is 59 (degrees). Ignore transverse shear stress at point A. Use the closed thin-walled theory to solve for torsional shear stress.
A thin-walled beam of hollow circular cross-section shown below is subject to both torsional and transverse loads. The outside diameter do= 100mm and wall thickness t= 5mm. At a specific cross-section, the bending moments are My = 600 N.m, Mz = 950 N.m and torsional moment is Mx=T=500 N.m. Calculate the principal stresses and the maximum shear stress at point A. Assume angle θ is 59 (degrees). Ignore transverse shear stress at point A. Use the closed thin-walled theory to solve for torsional shear stress.
Use this method as closed thin walled theory;
Shear Stress: Tx =T/2Amt ; Am=Area contained within the median line
Do it with proper steps with all diagram and I want right answer for it with each step explained properly.
![The image depicts a circular cross-sectional diagram with two concentric circles, representing a cylindrical object viewed from a side perspective.
### Diagram Explanation:
1. **Axes**:
- The diagram is oriented with red axes labeled as \( y \) and \( z \). The \( y \)-axis is vertical, and the \( z \)-axis is horizontal, intersecting at the center of the circles.
2. **Circles**:
- There are two concentric circles.
- The smaller circle represents the inside diameter of the pipe, labeled with the symbol \( d_o \).
- The region between the circles represents the thickness of the pipe, labeled as \( t \).
3. **Line and Angle**:
- A dashed line runs from the center of the circles to a point on the outer circle, forming an angle \( \theta \) with the \( z \)-axis.
- This section is part of the inner circle's diameter and demonstrates how to determine an angle \( \theta \) with a reference.
4. **Point A**:
- A red point labeled \( A \) is marked on the edge of the inner circle along the \( z \)-axis.
5. **Arrows**:
- Two arrows on the outer circle indicate the direction of traversal or rotation around the circles.
This diagram illustrates the relationship between various factors associated with a cylindrical pipe, such as its inner diameter, thickness, and the angle made by a radial line with respect to a reference axis.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5a3c4ad1-60f3-4a51-a890-c579401e2ea1%2F84ae775c-49ce-4999-9669-9266095a5f7c%2Fqove6r.jpeg&w=3840&q=75)
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