Unformatted text preview: strain curve is not constant. ♦ secant modulus ♦------– slope of line drawn from origin of curve to point of interest if slope of stress-strain curve is not constant. ♦ stiffness = E A o l o ♦ shear modulus, G (aka modulus of rigidity)...
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- Spring '09
- constant. tangent modulus, slope. elastic modulus