The stress strain values obtained from a structural steel cylindrical sample are listed in the following...
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The stress strain values obtained from a structural steel cylindrical sample are listed in the following table: Strain Stress (psi) 0.02 0.04 0.06 0.08 0.1 0.12 29737 37166 44820 44074 49161 53002 Strain Stress (psi) 0.14 0.16 0.18 0.2 0.22 0.24 57046 56593 53448 52103 49185 45386 In such cases the strain is the independent variable and stress is the dependent variable. a) Develop a straight-line for stress versus strain(write the equation below and the value of R) b) Develop a 2nd degree polynomial for stress versus strain (write the equation below and the value of R) c) Develop a 3rd degree polynomial for stress versus strain (write the equation below and the value of R) Which equation are you going to choose to represent the relation between stress and strain? Why? The stress strain values obtained from a structural steel cylindrical sample are listed in the following table: Strain Stress (psi) 0.02 0.04 0.06 0.08 0.1 0.12 29737 37166 44820 44074 49161 53002 Strain Stress (psi) 0.14 0.16 0.18 0.2 0.22 0.24 57046 56593 53448 52103 49185 45386 In such cases the strain is the independent variable and stress is the dependent variable. a) Develop a straight-line for stress versus strain(write the equation below and the value of R) b) Develop a 2nd degree polynomial for stress versus strain (write the equation below and the value of R) c) Develop a 3rd degree polynomial for stress versus strain (write the equation below and the value of R) Which equation are you going to choose to represent the relation between stress and strain? Why?
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Related Book For
Understanding Basic Statistics
ISBN: 9781111827021
6th Edition
Authors: Charles Henry Brase, Corrinne Pellillo Brase
Posted Date:
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