Question: For the bar shown in Figure P3-61 subjected to the linear varying axial load, determine the displacements and stresses using (a) One and then two

For the bar shown in Figure P3-61 subjected to the linear varying axial load, determine the displacements and stresses using

(a) One and then two finite element models and

(b) The collocation, sub-domain, least squares, and Galerkin's methods assuming a cubic polynomial of the form u(x) = c1x + c2x2 + c3x3?

Figure P3-61

T(x) = 10x kN/m AE = 2x 104 kN 3.0 m

T(x) = 10x kN/m AE = 2x 104 kN 3.0 m

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