a 0.03[m] "Side length"
Emod 200[GPa] "Young's modulus"
I (a)^4/12 "Area moment of inertia"
L 1[m] "Framework member length"
m 1000[kg] "Point mass"
r L/4 "Point mass radius"
J m*r^2 "Point mass moment of inertia"
w1 sqrt(48*Emod*I/(m*L^3)) "Angular frequency, eigenfrequency 1"
w2 sqrt(48*32*Emod*I/(7*m*L^3)) "Angular frequency, eigenfrequency 2"
f1 w1/(2*pi) "Eigenfrequency 1, analytical"
f2 w2/(2*pi) "Eigenfrequency 2, analytical"