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Abstract

A hierarchical model for dimensional adaptivity, using mixed beam-shell structures, is presented. Thin-walled beam structures are often calculated on the base of beam theories. Parts of the global structure, like framework corners, are usually analyzed with shell elements in a separate model. To minimize the modeling and calculation expense, a transition element to couple beam and shell structures is used. A dimensional adaptiv algorithm is introduced to automate this the procedure of modeling and calculation. (© 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)