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| The Theorem of Structural Continual Variation of Frame Structue and the Generation of Limit State Function |
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| DOI：10.7511/jslx19921008 |
| KeyWord:frame structure, variation theorem, limit state function., |
| Che Weiyi |
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| Abstract: |
| In this paper, according to the concept of computational structural mechanics, the theorem of sturctural continual variation of frame structure is derived. The method of numerical calculus is combined with recurrence formula. It is used to generate limit state function of frame structure. A new criterion of degenerating the structure into mechanism is introduced. Caused by using the method of computational structural mechanics, repeated assembly of global stiffness matrix and repeated inverse matrix operation in analysis are avoided, and hence the efficiency is increased greatly. |
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