Stress concentration factors due to the bending of a thick plate with circular hole

1989 ◽  
Vol 59 (6) ◽  
pp. 401-411 ◽  
Author(s):  
P. S. Chen ◽  
R. R. Archer
Keyword(s):  
Stress Concentration ◽  
Circular Hole ◽  
Thick Plate ◽  
Concentration Factors ◽  
Stress Concentration Factors

Theoretical Stresses Near a Circular Opening in a Flat Plate, Reinforced With a Cylindrical Outlet

1959 ◽  
Vol 81 (2) ◽  
pp. 189-200 ◽  
Author(s):  
Everett O. Waters
Keyword(s):  
Stress Concentration ◽  
Flat Plate ◽  
Circular Hole ◽  
Wall Thickness ◽  
Plate Thickness ◽  
Pressure Vessels ◽  
Circular Opening ◽  
Concentration Factors ◽  
Stress Concentration Factors

Formulas are derived for stresses in the neighborhood of a circular hole in a flat plate, when the opening is reinforced with a cylindrical outlet such as a pipe or nozzle. The plate is loaded in tension, either uniformly in all directions, or with transverse and longitudinal tensions in the ratio of 2:1 as is the case in cylindrical pressure vessels. Consideration is given to the possibility of “balanced reinforcement” by adding material on both sides of the plate. Tables and graphs are included for the use of designers who wish to find the stress-concentration factors for different combinations of plate thickness, outlet-wall thickness, and outlet diameter.

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