Relationship between displacement and stress

hoomanya · Dec 2, 2015

Hi, Am I right in saying that if the gradient of displacement is negative then stress is negative as in a simple elastic case, sigma = E*du/dx? thanks.

Chestermiller · Dec 2, 2015

hoomanya said:

Hi, Am I right in saying that if the gradient of displacement is negative then stress is negative as in a simple elastic case, sigma = E*du/dx? thanks.

Yes. It means that the rod is being compressed.

Relationship between displacement and stress

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Relationship between displacement and stress

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