中国海洋工程（英文版）
中國海洋工程（英文版）
중국해양공정（영문판）
CHINA OCEAN ENGINEERING
2014年
4期
445-456
,共12页
damage identification%hydrodynamic pressure%numerical simulation%experimental research%natural frequency%modal curvature
The-fluid-structure-interaction-under-seismic-excitation-is-very-complicated,-and-thus-the-damage-identification-of-the-bridge-in-deep-water-is-the-key-technique-to-ensure-the-safe-service.-Based-on-nonlinear-Morison-equation-considering-the-added-mass-effect-and-the-fluid-structure-interaction-effect,-the-effect-of-hydrodynamic-pressure-on-the-structure-is-analyzed.-A-series-of-underwater-shaking-table-tests-are-conducted-in-the-air-and-in-water.-The-dynamic-characteristics-affected-by-hydrodynamic-pressure-are-discussed-and-the-distribution-of-hydrodynamic-pressure-is-also-analyzed.-In-addition,-the-damage-of-structure-is-distinguished-through-the-natural-frequency-and-the-difference-of-modal-curvature,-and-is-then-compared-with-the-test-results.-The-numerical-simulation-and-test-of-this-study-indicate-that-the-effect-of-hydrodynamic-pressure-on-the-structure-should-not-be-neglected.-It-is-also-found-that-the-presence-of-the-damage,-the-location-of-the-damage-and-the-degree-of-the-severity-can-be-judged-through-the-variation-of-structure-frequency-and-the-difference-of-modal-curvature.
