Random field of initial deflections and strength of thin rectangular plates |
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Authors: | Z. Sadovský , C. Guedes Soares,A.P. Teixeira, |
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Affiliation: | aÚSTARCH SAV, Institute of Construction and Architecture, Slovak Academy of Sciences, 845 03 Bratislava, Slovakia;bUnit of Marine Technology and Engineering, Technical University of Lisbon, Instituto Superior Técnico, 1049-001 Lisboa, Portugal |
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Abstract: | The use of an integral measure of initial deflections of thin plates, based on the strain energy, has proved to be of importance in studying the influence of the imperfections on the strength of plates subjected to in-plane compression. The energy measure allows for a straightforward definition of compound modes and for a computational determination of the lower bound strength. The last quantity may be essential for assessment of plate design strength considering the imperfections as a random field. |
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Keywords: | Rectangular plate In-plane load Collapse strength Initial deflection Random field Reliability |
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