Stress Concentration Factor
Estimate theoretical elastic stress amplification for canonical wide-plate openings. This is a teaching tool for understanding why holes, slots, and sharp notches dominate local stress.
Stress concentration
Hover or tap the load arrows, opening, or peak-stress marker.
Kt multiplier
3.000
theoretical elastic factor
Peak stress
300.0 MPa
200% above nominal
Validity
circular opening
Kirsch solution for a circular hole in an effectively infinite plate under remote uniaxial tension.
Open Source and Easy to Use Elsewhere
This tool is open source and the underlying logic is fully transparent. You can inspect the code, understand the calculations, and contribute improvements. If you want to use the tool in your own website, course page, or learning platform, you can also embed it directly and start from a ready-made iframe setup for this exact tool.
Open source: review the implementation and see how the results are produced.
Embeddable: preview this tool, copy the iframe, and use it in your own site or LMS.