CONTACT STRESSES: SPHERE ON A FLAT SURFACE

SI/Metric Units

INPUT   DATA

Title  

Diameter of sphere, d1 m

    

Modulus of elasticity of sphere, E1   109N/m2 
Poisson's ratio of sphere, υ1    
Modulus of elasticity of flat body, E2   109N/m2 
Poisson's ratio of flat body, υ2    
Force applied, F N 

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RESULTS

VARIABLES   Values   Units
 ♦ Radius of area of contact, a   4159.8234 10-6m 
 ♦ Max contact Pressure, pmax   248.3328 106N/m2 
 ♦ Relative displacement, δ   34.6069 10-6m 
 ♦ Normalized shear stress in sphere, τmax,1   0.3031 pmax 
 ♦ τ max,1 acting at normalized distance   0.5 a 
 ♦ Normalized shear stress in flat body, τmax,2   0.3098 pmax 
 ♦ τmax,2 acting at normalized distance   0.5 a 

Principal Stress Distributions In Sphere




Principal Stress Distributions In Flat Body




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