Stress distribution, using coefficient variation

Example - determining the stress distribution using the coefficient of variation... 

In the case of the slip coefficient variation given in Figure 7, the pressure follows a sinusoidal curve with an average value equal to 5 MPa and average amplitude of around 0.55 MPa. The stress distribution around the caliper can be calculated with the Solidworks software, using the average value of pressure applied to the cahper. The maximum stress value obtained is equal to 196.2 MPa. 

Coleman [11] has exploited the additivity of damage concept to describe the failure of nylon fibers. He extended the concept by using the statistics of extreme values to describe the distribution of failure times in different loading conditions. His analysis demands that a material which obeys linear additivity of damage should have the same distribution of failure times Independent of the type of stress history. A good measure of this Is the coefficient of variation of the distribution of... 

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