5 Flutter

Question 1

For bending and twisting from heave, what is the lift equation for an aerofoil?

Answer 1

Question 2

For bending and twisting from heave, what is the moment equation for an aerofoil?

Answer 2

Question 3

What is velocity for twisting and bending flutter?

Answer 3

Question 4

What is the abbreviated kinetic energy equation for flutter?

Answer 4

Question 5

What is the kinetic energy equation for bending and twisting flutter?

Answer 5

Question 6

Deformation due to bending for flutter?

Answer 6

Question 7

Deformation due to bending for flutter?
(In angles)

Answer 7

Question 8

What method do we use to get the final value of the flutter speed?

Answer 8

Routh-Hurwitz method

Question 9

What equation do we use with the determinant to get the flutter speed?

Answer 9

Question 10

What equation do we use with the determinant to get the flutter frequency?

Answer 10

Question 11

How do we get the divergence of the wing for the wing from the determinant?

Answer 11

Literally the determinant just gives it

Question 12

Point about flutter questions, k does not always get called that, I may have to sub in the k.

Question 13

What is the variable change needed for flutter questions?

Answer 13

k=xV^2