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compute the transformed reduced stiffness for the material of given exercise at theta 45 and theta 90 comment on the
consider a plane defined in parametric form asfx y z xa yb zc - 1 0where a b c are the intercepts on the x y z axes
consider a homogeneous isotropic beam1 make a sketch not to scale of the deformed shape of a beam subject to a positive
consider a symmetric laminated beam with three laminae of equal thickness the top and bottom laminae are made out of
1 compute the extensional a coupling b and bending stiffness d matrices of a bimetallic copper and aluminum strip with
compute the stresses in laminate coordinates at top and bottom of each lamina in example 1 when the laminate is
1 write those terms that are equal to zero in the constitutive equations a b and d for the following special laminatesa
1 indicate whether the following are continuous or discontinuous functions through the thickness also indicate why some
consider a plusmn45 laminate with the same material properties of given exercise determine the value of the forces nx
nbspre-compute exercise 76 for loading beyond first ply failure fpf simulate the damaged material by using a damage
using the stresses found in exercise 1 evaluate the strength ratio rf p f on top and bottom of each lamina using the
using the results for the intact laminate in given exercise computea the strains x y gammaxy at the interface between
consider a 045-45s laminate subject to a load nxnbsp nynbsp 1000 nmm compute the a and d matrices neglect shear
re compute given exercise adjusting for in-situ strength assuming the transition thickness for this material is ttnbsp
consider a laminate plusmn45 of the following materiale1nbsp 1378 gpae2 10 gpag12 5236 gpav12 03f1t 8268 mpaf1c
q1 what was bob carvers main goal in developing his sunfire amplifierq2 what is the basic technological nature of his
given epsilon0x epsilon0y gamma0xy 0 and kappaxnbsp 10 m-1nbsp kappaynbsp 05 m-1nbsp kappaxynbsp 025 m-1nbsp compute
compute the stresses laminate coordinates at z -127 mm using the results of exercise 1 note that theta 30degexercise
for each of the following laminates specify the laminate type note that a laminate may have more than one
1 repeat given exercise for 521 weaving patternexercisedraw the top view repetitive unit cell ruc for 512 weave
find the values of shift ns in weaves defines by 6ns1 8ns1 and 9ns1 that feature the same property as 421 in given
repeat computations of given exercise for a plate with a 5 m b 1 m you may be able to use the simpler equation for
1 select a material laminate stacking sequence and thickness to carry a uniformly distributed load p 172 kp a the
consider a box-beam with constant area a and variable depth h width b and thickness ta derive an expression for the
redesign the box-beam of example 1 and 2 to make better use of the material ie changing the geometry of the