KKMM3423 Mechanical Vibrations
A Note on Formulae as Provided in the Exam
The following formulae are given in the exam paper
These formulae follow the notation in the textbook by Rao, which diers from
that used in the lecture notes.
In particular, for the magnication factor, Λ as applied to rotating imbalance
cases:
Exam Paper
Notation
Lecture Note
Notation
Magnication factor, Λ (r, ζ)
meq X
A
Am
mub e
Equivalent overall mass
Amplitude
Rotating imbalance
meq
X
A
m
A
mub e
1