CH-3 AMOS

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Author:
abhisheksinha91
ID:
249618
Filename:
CH-3 AMOS
Updated:
2013-11-29 13:52:30
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Mechanical Engineering
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AMOS
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  1. Give relationships between variation of strain components with displacement variation.
  2. What is the first law of thermodynamics?
    • The work performed on a mechanical system plus the net heat that flows into the system equals the increase in internal + kinetic energy of the system.
    • δw+δH=δU+δK
  3. What are the assumptions used in introducing force quantities?
    • 1.Static equilibrium δK=0
    • 2.Adiabatic condition δH=0
  4. Give the relationship between variation of internal energy density in terms of stress components and their variations?
  5. Uis a function of what all variables?
    U0=U0xx,εyy,εzz,εxy,εxz,εyz,x,y,z,T)
  6. Give relation between stress strain and internal energy density.
  7. Relation between strain energy density and its complementary?
    σε=Uo+Co
  8. Relationship between Complementary Strain energy density, stress and strain.
  9. Give Hooke's law for 3-D
    • In 3-D it asserts that each of the stress components is a linear function of the components of the strain tensor.
  10. What do you mean by anisotropic material?
    Materials that exhibit stress-strain relationship as given by the Hooke's law in 3-D involving a number of independent elastic coefficients are said to be anisotropic.
  11. How many elastic coefficients are there in general anisotropic linear materials?
    21
  12. Give the strain energy density of a general anisotropic material.

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