Shear Centre - Semi-Circular Section

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Shear Centre of a Semi-Circular Section

Notation and Units

Metric and Imperial Units

The above formulas may be used with both imperial and metric units. As with all calculations care must be taken to keep consistent units throughout with examples of units which should be adopted listed below:


  • c = distance to shear centre, in or mm
  • N/A = neutral axis
  • R = inside radius, in or mm

Additional Resources

  1. A.K. Singh. Mechanic of Solids. Indian Institute of Technology. New Delhi. 2007. Print.
  2. AspireBuzz. (n.d.). Shear center of semi-circular arc strip. Retrieved from
  3. H.A. Nageim, F. Durka, W. Morgan, D.T. Williams. Strutural mechanics: Loads, analysis, materials and design of structural elements. London. 2010. Print.
  4. T.V. Galambos. Stability design criteria for Metal Structures. New York. 1998. Print.