1.8 - Extensional and Shear Strain Rates
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Practice Questions
Test your understanding with targeted questions
What is vorticity?
💡 Hint: Think of it as related to how much a small element of fluid spins.
Define shear strain.
💡 Hint: Consider it as how the angle between lines changes when they are subject to forces.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does vorticity measure in a fluid?
💡 Hint: Think of it as how fast a corkscrew turns in a fluid.
True or False: Shear strain relates to the change in angles between two surfaces.
💡 Hint: Recall how shear stress affects the shape without changing volume.
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Challenge Problems
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Given a fluid with a vorticity of 5 s⁻¹, calculate the rate of rotation per unit time.
💡 Hint: Remember the relation between vorticity and rate of rotation.
A cylinder rotates and experiences shear strain. Using provided values, derive the tensor components.
💡 Hint: Review tensor mechanics and how they relate to shear and extensional rates.
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