Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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A composite shaft with a total length L, where L = L1 + L2, is created by connecting two shafts of equal diameter (d) at joint B. The shaft segment AB is characterized by a shear modulus G1, while segment BC has a shear modulus G2. An external torque Tg is applied at joint B, and the ends A and C are immobilized to prevent rotation.
(a) Using Displacement Method, determine a formula for os, which represents the angle of rotation at joint B.
(b) Calculate expressions for T1 and T2, representing the internal torques in segments AB and BC, respectively.
(c) Find the maximum shear stress in each segment. Express all responses in terms of the given torque Ty and the physical parameters of the composite shaft: d, G1, G2, L1, and L2.
Transcribed Image Text:The image depicts a cylindrical shaft subjected to torsion, useful for understanding mechanics of materials and structural analysis. The shaft is divided into two sections (1) and (2), with a constant diameter \(d\).
Key features of the diagram include:
- **Sections**:
- Section (1) extends from point A to B with length \(L_1\).
- Section (2) extends from point B to C with length \(L_2\).
- **Torque and Angle**:
- A torque \(T_B\) is applied at point B, causing a rotational displacement.
- The angle of twist at B is denoted by \(\phi_B\).
The diagram illustrates the application of a torque, providing a visual aid for understanding concepts such as shear stress, angle of twist, and how forces cause deformation in structural elements.
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