Problem 5 point loading. Its elastic modulus E' is 100 GPa. Its both ends are pin connections: K of KL is 1. Please compute the P, of this column. The shaft is subject to a compressive force without the torque and the

Elements Of Electromagnetics
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**Problem 5**

The shaft is subject to a compressive force without the torque and the point loading. Its elastic modulus \( E \) is 100 GPa. Its both ends are pin connections: \( K \) of \( KL \) is 1. Please compute the \( P_{cr} \) of this column.
Transcribed Image Text:**Problem 5** The shaft is subject to a compressive force without the torque and the point loading. Its elastic modulus \( E \) is 100 GPa. Its both ends are pin connections: \( K \) of \( KL \) is 1. Please compute the \( P_{cr} \) of this column.
### Analysis of Stress on a Shaft

#### (a) Overview of Shaft

This diagram shows a cylindrical shaft supported at both ends. Key elements include:
- **P**: A downward force applied at the center.
- **L**: Denotes the length of the shaft.
- **T**: Represents torque or twisting force at the ends.
- **Thrust bearing**: Highlighted near the center, providing axial support.

#### (b) Zoom-in View of a Solid Particle

This illustration focuses on a small segment located at the bottom, middle section of the shaft. Elements include:
- **\(\tau\)**: Shear stress acting horizontally within the particle.
- **\(\sigma_x\)**: Normal stress acting horizontally outward.
- **Arrows indicating forces**: Directions of applied stresses on the particle.

#### (c) Zoom-in "Top" View of the Solid Particle

This view provides a perspective from above the solid particle at the bottom middle of the shaft. Key points are:
- **\(\sigma_x\)**: Normal stress on the x-axis.
- **\(\tau_{xy}\), \(\tau_{yx}\)**: Shear stresses appearing as vector pairs.
- **\(\sigma_y = 0\)**: Indicates no normal stress in the y-direction.

This diagram series collectively explains how a symmetrical shaft with central load and end torques experiences both normal and shear stress across its structure.
Transcribed Image Text:### Analysis of Stress on a Shaft #### (a) Overview of Shaft This diagram shows a cylindrical shaft supported at both ends. Key elements include: - **P**: A downward force applied at the center. - **L**: Denotes the length of the shaft. - **T**: Represents torque or twisting force at the ends. - **Thrust bearing**: Highlighted near the center, providing axial support. #### (b) Zoom-in View of a Solid Particle This illustration focuses on a small segment located at the bottom, middle section of the shaft. Elements include: - **\(\tau\)**: Shear stress acting horizontally within the particle. - **\(\sigma_x\)**: Normal stress acting horizontally outward. - **Arrows indicating forces**: Directions of applied stresses on the particle. #### (c) Zoom-in "Top" View of the Solid Particle This view provides a perspective from above the solid particle at the bottom middle of the shaft. Key points are: - **\(\sigma_x\)**: Normal stress on the x-axis. - **\(\tau_{xy}\), \(\tau_{yx}\)**: Shear stresses appearing as vector pairs. - **\(\sigma_y = 0\)**: Indicates no normal stress in the y-direction. This diagram series collectively explains how a symmetrical shaft with central load and end torques experiences both normal and shear stress across its structure.
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