On a probabilistic stability theory for imperfection sensitive structures |
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| Authors: | JS Hansen J Roorda |
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| Institution: | Research Assistant, Department of Civil Engineering, University of Waterloo, Waterloo, Ontario, Canada;Associate Professor, Department of Civil Engineering, University of Waterloo, Waterloo, Ontario, Canada |
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| Abstract: | The concept of almost sure sample stability and sample stability in probability are formulated for elastic systems. Using a Koiter type approach these concepts are used in the analysis of imperfection sensitive structures. The applied load and the initial geometric imperfections are introduced into the analysis as random quantities. A compressed beam of finite length on a nonlinear elastic foundation is used in an example calculation. |
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