Q1: Three principal stresses are applied to a solid where o, = 400 MPa, 0₂ = 200 MPa, and os = 0. (a) What is the ratio de/des? (b) If a fluid pressure produces an all-around hydrostatic stress =250 MPa that is superimposed upon the original stress state, how does the ratio in (a) change? Explain the result.

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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Q1: Three principal stresses are applied to a solid where o, = 400 MPa, 0₂ =
200 MPa, and os = 0.
(a) What is the ratio de/deg?
(b) If a fluid pressure produces an all-around hydrostatic stress =250 MPa
that is superimposed upon the original stress state, how does the ratio in
(a) change? Explain the result.
Q2: A square thin sheet subjected to forming loads = 163 MPa and a =
0.62 Estimate:
1. The final shape of sheet.
2. The percentage of thickness alteration.
3. The deviatoric stresses.
Transcribed Image Text:Q1: Three principal stresses are applied to a solid where o, = 400 MPa, 0₂ = 200 MPa, and os = 0. (a) What is the ratio de/deg? (b) If a fluid pressure produces an all-around hydrostatic stress =250 MPa that is superimposed upon the original stress state, how does the ratio in (a) change? Explain the result. Q2: A square thin sheet subjected to forming loads = 163 MPa and a = 0.62 Estimate: 1. The final shape of sheet. 2. The percentage of thickness alteration. 3. The deviatoric stresses.
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