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A platform for research: civil engineering, architecture and urbanism
Modal Analysis on the Coupled Fluid-Structure Interaction of High Arch Dam
The dynamic analysis of arch dam need to take complex coupling action of dam-foundation-water into account, so the dam is always simplified in former research. The disadvantage of simplification is that it cannot be determined how much influence on natural frequency and dynamic response can be caused. In view of this, Xiaowan high arch dam finite element model is set up, the result shows : whether the reservior is empty or full, the natural vibration frequency of the actual body form has little change compare with the simplified body form. Therefore, it is feasible to apply the simplified body form to substitute the actual body form for the rough calculation of the frequency of dam body. However, the simplified body form is impossible to present the dynamic response and stress concentration of accessory structures. For this reason, it should apply the actual body form for calculation.
Modal Analysis on the Coupled Fluid-Structure Interaction of High Arch Dam
The dynamic analysis of arch dam need to take complex coupling action of dam-foundation-water into account, so the dam is always simplified in former research. The disadvantage of simplification is that it cannot be determined how much influence on natural frequency and dynamic response can be caused. In view of this, Xiaowan high arch dam finite element model is set up, the result shows : whether the reservior is empty or full, the natural vibration frequency of the actual body form has little change compare with the simplified body form. Therefore, it is feasible to apply the simplified body form to substitute the actual body form for the rough calculation of the frequency of dam body. However, the simplified body form is impossible to present the dynamic response and stress concentration of accessory structures. For this reason, it should apply the actual body form for calculation.
Modal Analysis on the Coupled Fluid-Structure Interaction of High Arch Dam
Advanced Materials Research ; 919-921 ; 1234-1239
2014-04-17
6 pages
Article (Journal)
Electronic Resource
English
Modal Analysis on the Coupled Fluid-Structure Interaction of High Arch Dam
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