Numerical reconstruction research on hydrodynamic pressure model test for gravity dam

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Journal of Vibration and Shock ›› 2020, Vol. 39 ›› Issue (10) : 192-197.

WANG Mingming1, 2,CHEN Jianyun3

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Abstract

Due to restrictions on experimental equipment and model material, there is certain error in the dam-reservoir interaction simulated by placing water-filled tank on the upstream side of dam model in the dynamic model test of gravity dam.For this reason, the error analysis was performed by numerical reconstruction of hydrodynamic pressure model test adopting the fluid-solid coupling model.It was found that the water compressibility and its low density are the reason for the error.Among which the water density is smaller is the more important factor.Then three feasible error modified methods were proposed by numerical analysis.

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numerical reconstruction / hydrodynamic pressure / model test / model material / dam-reservoir interaction

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WANG Mingming1, 2,CHEN Jianyun3. Numerical reconstruction research on hydrodynamic pressure model test for gravity dam[J]. Journal of Vibration and Shock, 2020, 39(10): 192-197

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