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Problem : A 5"X5" plate with a crack size of 2a=1.5" is under a spectrum load as shown below. The plate has a yield strength of 75 ksi and the crack growth is governed by da/dN = 1.6 x 10-8(ΔK)4, where AK is in a unit of ksi-in1/2. The finite width correction factor for SIF is Y(a/W) = √sec(Πa/W). Determine the crack growth for cycle #3 using Wheeler's retardation model (m=2).
what are the properties of petrol that it makes particularly suitable for the use as afuel in a motor vehicle.
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A horizontal platform rests on four vertical springs, each of stiffness 15kN/m and mass 0.25kg. what will the frequency of oscillation of the table be if it has a mass of 2.okg
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a cylindrical rod of steel e 30 x 106 psihaving a yield strength of 45000nbsppsi is to be subjected to a load of 2500
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Calculate the ultimate tensile strength (engineering) of a material whose strength coefficient is 700 MPa and a tensile test specimen which necks at an engineering tensile strain of 0.35.
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Find Stall Speed (KEAS) at 1 G, 0 deg AOB and find Stall Speed (KEAS), level flight 70 deg AOB (2.9 G)
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