Non-textbook problems for HW2 The second problem is typical of exam problems, and it should be done without calculators! •A strain rosette consisting of three strain gages was used to measure the strains at a point in a thin-walled plate subjected to forces in the plane of the plate. The measured strains in the three gages are: 0.001,0.0006,0.0008ABCεεε== −=. a)Determine the complete state of strain (all 6 components of strain) at that point. Poisson’s ratio is 0.3. b)What are principal strains and their directions? B C
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