Lesson 5 Review

The gradient of a scalar field is

another scalar field

a tensor field

a vector field

a circular field

Euler equations are the Navier-Stokes equations including which simplification(s)?

irrotational

inviscid

isentropic

incompressible

The conservation of mass, momentum, and energy equations comprise a set of ________ equations

uncoupled, 1st order

What is the following term? ∯𝑉 ⃗(𝜌𝑉 ⃗⋅𝑛 ̂ )𝑑𝑆

mass flux

momentum flux

energy due to mass flux

momentum storage

What is the following term? ∭𝜕/𝜕𝑡 (𝜌𝑉 ⃗ )𝑑𝕍

mass storage

momentum storage

energy flux

kinetic energy storage

According to the Boeing AIAA paper, which of the following did NOT contribute to difficulties in obtaining converged computational solutions in the 1980s-90s?

having proper equations to model the flow

high level of expertise required by users

newly commissioned 2d Lts who can't compute well

flow complexities, such as strong shock waves, separation, shock-boundary layer interactions, and double shocks

modeling new and non-standard aircraft configurations

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