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Compute approximate values of E1, E2, G12, ν12 for the composite of given exercise. Compare the results obtained using the mechanics of materials approach with the results obtained using more accurate formulas which are programmed in the accompanying software. Comment the results.
Exercise Give an approximate value for the compressive strength of an Al-Boron composite with Vf = 0.4.
Aluminum 2024 has E = 71GPa, Poisson = 0.334, G = 26.6 GP a, yield strength = 76 MP a, fatigue limit = 90 MP a, elongation = 22%. Boron fibers have E = 400 GP a, ultimate strength = 3.4 GP a, Poisson = 0.25. Note that Boron fibers tend to be perfectly straight and that aluminum has a linear shear stress-strain plot before it yields
What are the benefits of digital manipulation (don't just think about photography)? What are the dangers of digital manipulation?
Develop a model of a three-workstation seral production line with high reject rates: 7% after each workstation. Parts rejected after the first workstation are sent to scrap.
Discuss differences between the use of interrupts and polling in microcontroller based systems. Include examples of applications for which each one would be the preferred method.
Describe the process of exploration project to mining operation with reference to the ore resource/reserve estimation process.
Search the internet for the link to the Boston tunnel, "the Big Dig" or the "Channel Tunnel," and London's Millennium Dome. In spite of their poor cost performance, why do you think these projects were supported to their conclusion? What would it ..
Design the FRP for a simply supported beam with length L = 7 m. The external uniform dead and live loads are: wDL = 11.25 N/mm (Dead), and wLL = 13.25 N/mm (Live).
Write those terms that are equal to zero in the constitutive equations (A, B, and D) for the Symmetric, Balanced antisymmetric, Cross-ply, and Specially orthotropic special laminates:
Calculate the value of RB necessary to operate the NPN transistor in saturation, stating all assumptions made.
Is it a positive or negative correlation? How did you determine this to be the case?
1. Are you a member of a student organization dedicated to the support and empowerment of a particular group, whether osocial, cultural, religious, or major-based (e.g. English or Business Honor Society)?
What is the (population) standard deviation of portfolio returns?
Porblem-1. Barker Spectrum-Derive analytically the spectrum of the Barker code (11 chips)
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