Stress Concentration Factors: plate_hole_center
Stress concentration factors (Kt) for common shaft and plate geometries — stepped shafts, grooves, holes, keyways per Peterson's and Shigley's
| geometry type | r d | Kt tension (dimensionless) | description | notes |
|---|---|---|---|---|
| plate_hole_center | 0.05 | 2.852 | Flat plate central circular hole d/w=0.05 axial tension | r_d column stores d/w ratio. Nominal stress = P/[(w-d)*t]. Kt=3.00-3.14(d/w)+3.667(d/w)^2-1.527(d/w)^3. Applies to gross section with hole. |
| plate_hole_center | 0.1 | 2.721 | Flat plate central circular hole d/w=0.10 axial tension | r_d column stores d/w ratio. Nominal stress = P/[(w-d)*t]. |
| plate_hole_center | 0.15 | 2.606 | Flat plate central circular hole d/w=0.15 axial tension | r_d column stores d/w ratio. Nominal stress = P/[(w-d)*t]. |
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