
83Magnetorheological (MR) Suspension System for Passenger Vehicles
2 4 6 8 10 12
5
10
15
Basic Messing Number
10×t
m
L
m
w
c
t
h
FIGURE 4.12
Dependence of the optimal solution on the meshing size. (From Nguyen, Q.H. et al., Smart
Materials and Structures, 18, 1, 2009. With permission.)
0.0 0.5 1.0 1.5 2.0
0.0
0.7
1.4
2.1
2.8
3.5
Inductive Time Constant (ms)
Applied Current (A)
Opt.1 Opt.2
Opt.3 Initial
(a) Yield stress force
0.5 1.0 1.5 2.0
40
50
60
70
80
90
Inductive Time Constant (ms)
Applied Current (A)
Opt.1
Opt.2
Opt.3 Initial
(b) Inductive time constant
FIGURE 4.13
Yield stress force and inductive time constant of optimized and initial MR dampers at