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Unanswered Posts
Problem of finite element analysis(urgent)
Consider the truss system shown in Fig. 2 modelled by three elements. The element numbers are shown in brackets. The node numbers are as indicated in the figure. Suppose that all the trusses have a cross sectional area of A = 0.1 m2 and Young’s modulus E = 70 GPa. Determine the displacements at all the nodes if the force P = 2000 N. The length L = 2 m.
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Deflection and rotation of simple beam with uniform and concentrated loads
For the beam shown below, determine the following:
- Deflection at C
- Deflection at D
- Rotation between A and B
Express your answer in terms of EI.
linear DE
tdx/dx = 6t(e^ 2t) +x(2t-1)
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equations
2xy' + y³ e^(-2x) = 2xy
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Depletion Cost - The Percentage of Depletion Allowance Method
To develop an oil well containing 2,000,000 barrels of oil required an initial investment of PhP 30,000,000.00. In a certain year, 400,000 barrels of oil were produced from this well.
The total gross income of the oil company is PhP 34,000,000.00 for the particular year, and the taxable income after talking all deductions, except for depletion, is PhP 14,100,000.00. Determine the allowable depletion allowance for the year.
DE
xy' = y + 2 √xy
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can you help me, how to draw bmd for the figure?
can you help me, how to draw bmd for the figure?
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Reference Books for "Strength of Materials" or "Mechanics of Materials"
What reference books used by this site? I know that it's Singer, right, but what edition? Thanks. Your reply is highly appreciated.
differential equation: given $f(x)$, show that $f(x)$, $f'(x)$, and $f''(x)$ are continuous for all $x$
Let
f1(x) = 1 + x^3 for x ≤ 0 ,1 for x ≥ 0
f2(x)= 1 for x ≤ 0, 1 + x^3 for x ≥ 0
f3(x)= 3 + x^3 for all x.
show that
a) f, f' , f", are continous for all x for each f1, f2, f3.
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