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
![877_Figure1.png](https://secure.tutorsglobe.com/CMSImages/877_Figure1.png)
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
![468_Figure2.png](https://secure.tutorsglobe.com/CMSImages/468_Figure2.png)
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
![1666_Figure3.png](https://secure.tutorsglobe.com/CMSImages/1666_Figure3.png)
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
![673_Figure4.png](https://secure.tutorsglobe.com/CMSImages/673_Figure4.png)