find the stress tensor that cause the following strain state

Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter7: Analysis Of Stress And Strain
Section: Chapter Questions
Problem 7.7.1P: An element of material in plain strain has the following strains: x = 0.001 and y = 0.0015. (a)...
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Using the equations of strain in isotropic elasticity, find the stress tensor that cause the following strain state determined from an experiment (material has Young’s modulus of 190 GPa):

?? = 0.001    0.001    0
        0.001 −0.002    0.0005
        0        0.0005    0
shear moduli is 70GPa.

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