List of symbols
Symbol | Name of the symbol | Unit |
---|---|---|
$C_E$ | material coefficient | $\mathrm{\cfrac{1}{MPa}}$ |
$D_1$ | sphere diameter $ D_1 $ | $\mathrm{mm}$ |
$D_1$ | diameter of spherical socket | $\mathrm{mm}$ |
$D_1$ | cylinder diameter $ D_1 $ | $\mathrm{mm}$ |
$D_1$ | diameter of cylindrical socket | $\mathrm{mm}$ |
$D_2$ | sphere diameter $ D_2 $ | $\mathrm{mm}$ |
$D_2$ | cylinder diameter $ D_2 $ | $\mathrm{mm}$ |
$E_1$ | modulus of elasticity to bodie 1 | $\mathrm{MPa}$ |
$E_2$ | modulus of elasticity to bodie 2 | $\mathrm{MPa}$ |
$K_D$ | dimensional coefficient | $\mathrm{mm}$ |
$L$ | length | $\mathrm{mm}$ |
$P$ | total load | $\mathrm{N}$ |
$a$ | radius of circular contact area | $\mathrm{mm}$ |
$b$ | width of rectangular contact area | $\mathrm{mm}$ |
$c$ | major semiaxis | $\mathrm{mm}$ |
$d$ | minor semiaxis of elliptical contact area | $\mathrm{mm}$ |
$p$ | load per unit length | $\mathrm{N/mm}$ |
$y$ | relative motion of approach along the axis of loading of two points, one in each of the two contact bodies, remote from the contact zone | $\mathrm{mm}$ |
$α$ | coefficient $ α $ | $\mathrm{ }$ |
$β$ | coefficient $ β $ | $\mathrm{ }$ |
$γ$ | coefficient $ γ $ | $\mathrm{ }$ |
$ν_1$ | Poisson's ratio to bodie 1 | $\mathrm{ }$ |
$ν_2$ | Poisson's ratio to bodie 2 | $\mathrm{ }$ |
$σ_c$ | contact stress | $\mathrm{MPa}$ |