Translational Force Balance Model (1 DOF)
The force balance equation for translation motion in one direction is given as:
where,
m | body mass |
x | displacement |
t | time |
Hydrodynamic Force
where,
Fhydronamic | hydrodynamic force |
Fpressure | pressure forces |
Fshear | shear forces |
The Spring Force
where,
Fpreload | preload force |
Fspring | spring force |
k | spring constant |
d | displacement |
x0 | position of the boundary or volume (during model setup) |
Damping Force
where,
Fdamping | damping force |
D | damping coefficient |
v | component velocity |
Additional Force may be added using Additional Force on Body.
Frictional Force
where,
Ffriction | friction force |
μ=μstatic | static friction coefficient for a stationary part |
μ=μsliding | sliding friction coefficient for a moving part |