An inequality model for solving interval dynamic response of structures with uncertain-but-bounded parameters |
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Authors: | Zhiping Qiu Zao Ni |
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Institution: | Institute of Solid Mechanics, Beijing University of Aeronautics and Astronautics, Beijing 100083, PR China |
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Abstract: | In this paper, we look into the dynamic response of structures with uncertain-but-bounded parameters. A new inequality model for determining the interval dynamic response is presented. First we propose an interval dynamic response solution theorem. An inequality model which is a mathematics programming problem is suggested by the presented theorem. Using the central difference method, we substitute the differential items of the inequality model by difference items. By solving them, the interval dynamic response can be obtained. Two examples are used to illustrate the feasibility and the efficiency of the model. |
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Keywords: | Dynamic response Inequality model Interval dynamic response solution theorem Central difference method Linear programming theory |
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