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4 cards from this section. Quick, good the night before a test.
What is the internal resistance force?
Think about forces acting internally within a fluid.
What do we use Cauchy's equations for?
Consider the equations as foundational for other fluid mechanics equations.
What do Cauchy's equations describe in fluid mechanics?
Think about the flows and how they experience forces.
True or False: The internal resistance force is only relevant in solids.
Consider fluid flow dynamics.
A water pipe has a diameter reduction that causes internal pressure to change. Analyze the stress tensor at two points before and after the reduction and how it impacts the fluid flow.
Consider both shear and normal stress components in the calculations.
Using Cauchy's equations, derive a specific case for a viscous fluid passing through a narrow channel and discuss the implications for flow rate.
Review how viscosity factors into Cauchy’s equations under flow conditions.
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