Numerical Simulation Method And Application Of The Ability Of Breakwaters Anti‐wave Impact

With warming, sea level rise, typhoons hurricanes, El Ni o, the ebband flow of marine climate change, large waves cause endless impact oncoastal facilities has caused severe damage and huge loss of lives andproperty of the target structure, coastal breakwater facilities become a hottopic in the international. At present, the numerical simulation method hasbeen essential research on the impact of waves, how to truly reflect thecomplex structure of the breakwater, the dynamic response of the impact ofwaves under more and more attention.Wave and breakwater structure dynamic response as a unified system,Numerical simulation methods of three-dimensional fine waves-thecomplex structure of dynamic coupling system, the push plate wave, wavepropagation and its interaction with the structure of the various componentparts of a complete process, and the method in the physical model testvalidation, and a heightening in Qinshan defense breakwaters response toanti-wave shocks applied. The main contents include:The overall layout of the physical model tests, test equipment andmeasuring instruments, modeling, test hydrological conditions and test dataprocessing; analog waves in the wave flume, measuring sensors, dataacquisition, and storage devices, and after the processing and analysis ofexperimental data, the dynamic response characteristics of the model underimpact.Numerical modeling of waves-the complex structure of dynamiccoupling system. Water body and the surrounding air media description ofthe multi-material ALE grid, structure description of the Lagrangian grid,the dynamic interaction of the two surface defined three-dimensionalcoupling between the flow field and structure, the establishment of conservation of energy penalty function of the coupling model, thestructure the interaction between the various components within the systemis the simulation of three-dimensional contact model.Based on the above numerical simulation method, the sink wave-thephysical model coupled system of three-dimensional fine finite elementmodel. Numerical simulation of true representation of the wave flumeexperiments and the complexity of the interaction of the breakwater system.Under wave action, anti-dynamic response of the various parts of the dikesystem, the analysis consistent with the simulation results of the test site,proved the correctness of the calculation of the effectiveness of the modeland simulation methods.Carried out a wave-Qinshan heightening the dynamic coupling of thebreakwater system numerical simulation applications. Proposed real-valuedsimulation method introduces the Qinshan a heightening and breakwaterwave impact response analysis, the establishment of a containing blockwave wall, the rationale for building block of stone, rock blocks, precastblocks, four-legged hollow block, the pressure body, the heap stone, suchas three-dimensional computational model. Combination of complexhydrological conditions, the impact of waves on breakwaters block thewave wall structure. Rules under different hydrological conditions waveimpulse response of a breakwater in the law, the safety assessment of thebreakwater provides a reference.