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SHELLS:
In the topic (SHELLS), we have seen the assumptions made in the analysis of thin shells. For a spherical shell, which is symmetrical in all of the directions, the hoop stress has been found to be pd /4t in all of the directions. The expressions for circumferential strain and volumetric strain were arrived. Examples for discovering stresses, strains, changes in diameter and volume were worked out.
For a doubly curved shell, expression associating the stresses to the internal pressure was derived. A conical shell has been analysed and the hoop stress and meridional stress at any point have been seek out. The magnitude and position of maximum hoop stress and meridional stress were derived. Examples have been worked out illustrating the use of these expressions.
Law of coulomb friction: Coulomb in the year 1781 presented certain conclusions which are called as Coulomb's law of friction. These observations are based on experiments on b
Find out the forces in the members of the tower: Find out the forces in the members of the tower. Solution By symmetry, ∠ AFG = ∠ AGF = θ and HG = 7.5 m; while AH = 3
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Stress strain curves for the brittle materials: Stress strain curves for the brittle materials : Materials which show small elongation before they fracture are called as br
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what are the parts of wilson hartnell governor with their designation?
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Determine the number of cycles - crack propagation: The plate of above Example contained a crack of 50 mm length in the centre before it was subjected to cyclic stress. Deter
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