HertzWeb

Hertzian Mechanics Calculator

Contact Stress Model: Shigley's Mechanical Engineering Design 9th Edition

Object Definitions

Shape

Young's Modulus E (GPa)

Poisson's ratio

Shape

Young's Modulus E (GPa)

Poisson's ratio

Normal force (N)

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Contact radius a (major)

Contact radius b (minor)

Eccentricity e

Equivalent modulus E*

Hertz Contact Stress

Deflection/Impression (Total)

Max Shear Stress (Object A)

Max Shear Stress (Object B)

2D Contact Shape

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