AN ACCOUNT OF RIBS, THAT DON'T COINCIDE WITH LINES OF PRINCIPAL CURVATURES, IN A SHELL ANALYSIS BY VARIATIONAL-DIFFERENCE METHOD

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Abstract


It is considered stiffeners, that don't coincide withlinesof principal curvatures,in thevariational-difference method(BPM) analysis of shellsof complex shapedefinedin the linesof the principal curvatures.Ribs aredescribed by theKirchhoff-Clebsch theory of curved bars:a tension, a bendinganda torsion ofa rib are taken into account; shells are described by the Kirchhoff-Love theoryof thin elasticshells.

About the authors

I V Kushnarenko

Peoples' Friendship University of Russia, Moscow

Email: ivan.v.kush@yandex.ru

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