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Question: beef leg bone treated elastically is tranversely isotropic but if...

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Beef leg bone, treated elastically, is tranversely isotropic, but, if approximated as isotropic, has a Youngs modulus 8.25 GPa and a Poissons ratio v-0.33. (a) Determine the shear modulus G, the Lamé constant λ, 4. and the compressibility modulus K-G. (b) It is determined that compressive loading below the yield point is viscoelastic, with a relaxation function given by φ-24.9-5.38(1-e-#32.2)] GPa t> 0; φ = 0, t 0, where t is expressed in microseconds. If the cross-sectional area of the bone is a uniform hollow shaft of length 380 mm with outside and inside diameters of 63.5 and 45.7 mm, respectively, plot the force-deformation curves for several constant values of time t from 1 to 10 microseconds Differcnce in curves due to anisotropy 600 500 400 IRabbit skin 200 100 1.2 1.6 1.8 2 Figure 2. Force-extension curve for rabbit skin

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