Saturday, 26 September 2015

RTU Machenical engneering Advanced Machanics of Solids previous year questions 2012

The displacement field for a body is given by :
B.Tech, Advanced Machanics of Solids

 u = K(x2+y)i+K(y+z)j+K(x2+2z2)KWhere K = 103
At a point P(2,2,3), Cnsier two line segments PQ and PR having the following direction cosines before deformation.
PQ: nx1 = ny1 = nz1 = 13PR:nx2 = ny2 = 12, nz2 = 0
Determine the angle between the two segments before and after deformation.
2012

If the displacement field is given by.
B.Tech, Advanced Machanics of Solids

  Ux=Kxy, Uy=Kxy, Uz=2K(x+y)z
Where K is a constant small enough to ensure applicability of the small deformation theory.
1. Write down the stress matrix.
2. What is the strain in direction nx = ny = nz = 13

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