BE330_HW4 - BE 330 - January 30, 2009 Working Those 1) Get...

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Kelvin (or Voigt) Model: Maxwell model: 1) Get Your Creep On! (Maxwell and Kelvin, that is . . .) This one involves some important physical intuition . . . and fortunately, you’ve got it! So, give the following situations a ‘think’ and address the specific questions . . . for the Maxwell and Kelvin models. These are shown on the right for your convenience. A) Plot the general response of a Maxwell model under tensile creep loading and unloading (that's a constant load). B) For the same creep loading as in (A), please illustrate what would happen if the damping was either increased or decreased. C) For the same creep loading as in (A), please illustrate what would happen if the spring stiffness was either increased or decreased. D) Plot the general response of a Kelvin model under tensile creep loading and unloading (that's a constant load). E) For the same creep loading as in (D), please illustrate what would happen if the damping was either increased or decreased. F)
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