A plastic which behaves in accordance with a Kelvin-Voigt model is subjected to thestress history plot as shown in Figure 1, with σ1 = 20 MPa and t₁ = 200 s. Assumingthat the Boltzmann Superposition Principle applies, calculate the strain in the material:(i) after 150 seconds(ii) after 250 secondsData: spring constant (ε) = 20 GPaviscosity of the dashpot (n) = 1000 GPa.s.The Kelvin model: ɛ(t) = ½- (1 − e¯/),-where the symbols have their usualmeanings.Stress, σ, (MPa)250120151010500100200300Time (s)Figure 1: Stress history plot

Answered: Image /qna-images/answer/721b1ebd-a557-48de-ae5c-aaf23a174a07.jpg

Answered: A plastic which behaves in accordance…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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