TEST BANK FOR Mechanics of Aircraft Structures 2\\\'nd edition By C T sun Converted
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Exam (elaborations) TEST BANK FOR Mechanics of Aircraft Structures 2'nd edition By C T sun (Solution Manual)-Converted
- Exam (elaborations) • 271 pages • 2021
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The beam of a rectangular thin-walled section (i.e., t is very small) is designed 
to carry both bending moment M and torque T. If the total wall contour length 
(see Fig. 1.16) is fixed, find the optimum b/a ratio to achieve the 
most efficient section if 
L = 2(a + b) 
M = T and allowable allowable σ = 2τ . Note that for closed 
thin-walled sections such as the one in Fig.1.16, the shear stress due to torsion is 
abt 
T 
2 
τ = 
Figure 1.16 Closed thin-walled section 
Solution: 
(1) The ben...
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