Kinetic Energy
For a time-dependent study, kinetic energy is defined as
where
ρ
is the mass density, and
v
is the velocity defined as
.
Using
Equation 3-3
, the kinetic energy can be expressed as
.
In frequency-domain, the kinetic energy is defined as
which represents the cycle average.
•
Energy Quantities
in the
Structural Mechanics Module Users’ Guide
.
.
.