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3 cards from this section. Quick, good the night before a test.
What is hydrostatic pressure?
Think about fluids that are not moving.
Define viscous stress.
It involves how a fluid flows.
What happens to shear stress in a fluid at rest?
Consider the definition of hydrostatic conditions.
True or False: The Navier-Stokes equations include viscous forces.
Think about what these equations represent.
Given an arbitrary coordinate system with direction cosines l=0.577, m=0.577, and n=0.577, calculate τxx from τ11, τ22, and τ33 values of 100, 50, and 30 respectively.
Use the transformation formula for normal stresses.
Discuss how the transformation of shear stress from principal to arbitrary axes can be applied in engineering designs, providing specific scenarios.
Relate it to real-life engineering designs affecting fluid flow.
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