Hertzian initial point contact
Body 1
Body 2
Young's modulus E
GPa
GPa
Poisson's ratio ν
Radius R (enter R=0! for a plain surface)
10
-3
m
10
-3
m
Load F prescribed
N
Effective Young's modulus E'
GPa
Effective contact radius R'
10
-3
m
Semi contact width r
10
-3
m
Indentation
δ
10
-6
m
Contact stiffness
10
6
N/m
Mean contact pressure p
m
GPa
Maximum contact pressure p
max
GPa
Contact pressure pmax prescribed
(p
max
=1.5 p
m
)
GPa
Effective Young's modulus E'
GPa
Effective contact radius R'
10
-3
m
Semi contact width r
10
-3
m
Indentation
δ
10
-6
m
Contact stiffness
10
6
N/m
Mean contact pressure p
m
GPa
Contact load F
N
www.tribology-abc.com