FEM study of tire-pavement friction with effects of loading, inflation, speed
1. 1Challenge the future
on the tire-pavement frictionStudy of Cornering Maneuvers of
Pneumatic Tires on AC Surfaces using FEM
S.K. Srirangam
K. Anupam
A. Scarpas
C.Kasbergen
M. Kane
2. 2Challenge the future
Asphalt Pavement
Mechanism of Rubber Friction
Hysteresis loop
Force
Displacement
Loading
Unloading
8. 8Challenge the future
Scope of study
The effect of axle load
The effect of inflation
pressure
The effect of tire sideslip angle
The effect of speed
The effect of temperature
The effect of macrotexture
on the tire-pavement
friction
9. 10Challenge the future
Mechanical deformation
analysis
Tire-pavement contact
Tire-rim-ambience
Heat exchange
Axi-symmetry
Contained air
Tire-pavement heat conduction
Sidewall-ambience
heat exchange
Heat transfer
analysis
FE Modeling
Energy dissipation
analysis
10. 11Challenge the future
FE Modeling
Mechanical deformation
analysis
Tire-pavement contact
Heat transfer
analysis
Energy dissipation
analysis
Tire-rim-ambience
Heat exchange
Axi-symmetry
Contained air
Tire-pavement heat conduction
Sidewall-ambience
heat exchange
12. 13Challenge the future
FE Modeling
Master surface
segments
Penetration
Slave surface
nodes
Slave nodes cannot penetrate
master segments
13. 14Challenge the future
FE Modeling
Master surface
segments
Penetration
Slave surface
nodes
Slave nodes cannot penetrate
master segments
Energy dissipation
analysis
14. 15Challenge the future
FE Modeling
Energy dissipation
analysis
T
v e v
0
W S : L dt
TM K
km kmv
e v
m 1k 1 0
W 1
Q S : L dt
T T
E¥
1
E
1
h
2
E
N
E
2
h
N
h
s sσ
E1 η1
E2 η2
En ηn
E∞
σ
a)
15. 16Challenge the future
FE Modeling
Energy dissipation
analysis
T
v e v
0
W S : L dt
TM K
km kmv
e v
m 1k 1 0
W 1
Q S : L dt
T T
E¥
1
E
1
h
2
E
N
E
2
h
N
h
s sσ
E1 η1
E2 η2
En ηn
E∞
σ
a)
16. 17Challenge the future
FE Modeling Heat transfer analysis
Region Heat Transfer Coefficient (W/m2 0
C)
Tread/Road Contact 12000
Tread/Air 5.9 3.7v+
Sidewall/Air 5.9 3.7v+
Tire/Rim Contact 88000
Linear/Cavity Air 5.9
22. 23Challenge the future
Heat transfer analysis
FE Modeling
Energy dissipation
analysis
α
PIARC
Smooth Tire
Wheel
direction
Longitudinal
direction
AC Surface