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S24 Mecânica dos Sólidos |
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Title:
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STRUCTURAL DYNAMICS OF PRE-LOADED DOUBLY CURVED SHALLOW SHELLS
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Summary :
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ABSTRACT. A VARIATIONAL FORMULATION OF PRE-LOADED DOUBLY CURVED SHELLS IS PRESENTED. THE ANALYSIS USES A TWO-FIELD VARIABLE PRINCIPLE WITH W, THE VERTICAL TRANVERSE DISPLACEMENT AND F, AIRY STRESS FUNCTION CONSIDERED AS THE FIELD VARIABLES. FINITE ELEMENTS SATIS FYING C1 CONTINUITY ARE USED FOR THE SOLUTION OF THE PROBLEM. SEVERAL APPLICATIONS ARE PRESENTED AND THE RESULTS ARE DISCUSSED AND ARE COMPARED WITH PREVIOUS ANALYTICAL, NUMERICAL AND EXPERIMENTAL WORKS.
KEY WORDS: STRUCTURAL DYNAMICS, FINITE ELEMENTS, STRUCTURAL STABILITY |
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Author :
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Bismarck-Nasr, Maher Nasr
Pereira, Ricardo Nonato
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Paper View :
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COBEM99
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