April 2012
Intermediate to advanced
868 pages
22h 25m
English
Content preview from Strength of Materials
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16
Strain Energy Methods
CHAPTER OBJECTIVES
The strain energy methods are most commonly used for solving the unknown factors in complicated structural problems. In this chapter, students will learn about:
Castigliano’s theorem for determination of displacement, angular rotation and angular twist by the partial derivatives of the strain energy absorbed by the body during deformation caused by external loads, moments etc.
Strain energy in a body stored due to direct stress, shear stress, bending moment and twisting moment.
Deflection in beams due to shear strain energy.
Maxwell’s reciprocal theorem states that the total strain energy stored in a body, does not depend on the order in which forces are applied on it.
Principle of virtual force ...
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