Abstract
The location of the shear center of a thin-walled open section stressed beyond the elastic limit is determined by methods similar to those used in the elastic case. Through an analysis of the stress and strain components, the problem is reduced to determining one constant in the case of symmetric sections. This can be found from the magnitude of the applied force. The location of the shear center can then be found. Calculations for channel sections are carried out in detail, and the influence of the load and stress-strain law is shown in a numerical example. Formulas are also given for nonsymmetrical sections. The shear center, in the nonelastic case, is not a property of the section alone but depends on the stress-strain law and the applied force.
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