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(Solved): Learning Goal: To determine the stress-concentration factors in a notched member with a nonuniform ...
Learning Goal:
To determine the stress-concentration factors in a notched
member with a nonuniform cross section that is subjected to a
bending moment.
The member ABCD shown below (Figure 1) is subjected to a
bending moment. The member has a thickness of t=30mm,
a full height of w=25mm, and a reduced height in two cross-
sectional areas of h=15mm. The notches at point B are
d=10mm in diameter and are indented on the member at a
distance of b=5mm. The shoulder fillets at point C have a
radius of r=6mm. The applied bending moment has a
magnitude of M=100N*m. igure
1 of 3 Part A - Stress-concentration factor due to notches on the surface at point B
The notches on the surface of the member at point B introduce a stress-concentration factor into the equation for the stress in the member. What is
this stress-concentration factor? (Figure 2)
Express your answer to three significant figures.
View Available Hint(s)
K=
Part B - Stress-concentration factor due to shoulder fillets at point C
The shoulder fillets at point C introduce a stress-concentration factor into the equation for the stress in the member. What is this stress-concentration
factor?(Figure 3)
Express your answer to three significant figures.
View Available Hint(s)
K=
Part C - Maximum bending stress in the member
Using the information obtained about the stress-concentration factors for the notches in the surface and the member's shoulder fillets, determine the
maximum bending stress in the member due to the application of the bending moment.
Express your answer to four significant figures and include the appropriate units.
