Reference no: EM131112832
Question 1 - Determine the stress intensity factor for the edge cracked panel (consider σys = 63 (ksi)) for the following cases:
A) No plastic zone adjustment
B) With plastic zone adjustment for both √(πa) and β for plane stress
C) With plastic zone adjustment for both √(πa) and β for plane strain
Question 2 - Determine the stress intensity factor for the center cracked panel (consider σys = 63 (ksi)) for the following cases:
A) No plastic zone adjustment
B) Plain Strain: plastic zone adjustment only to √(πa)
C) Plane Stress: plastic zone adjustment only to √(πa)
D) Plain Strain: plastic zone adjustment for both √(πa) and β
E) Plain Stress: plastic zone adjustment for both √(πa) and β
Question 3 - Determine the stress intensity factor for the center cracked panel (consider σys = 63 (ksi)) for the following cases:
A) σ = 15 (ksi) in Plane Stress
1- No plastic zone adjustment
2- With plastic zone adjustment for only √(πa)
3- With plastic zone adjustment for both √(πa) and β
B) σ = 30 (ksi) in Plane Stress
4- No plastic zone adjustment
5- With plastic zone adjustment for only √(πa)
6- With plastic zone adjustment for both √(πa) and β
Question 4 - Plot the plastic zone shape rp vs. θ, according to the Von Mises yield criterion for the edge cracked panel. Use σys = 50 (ksi)
A) Plane Stress
B) Plane Strain
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