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利用物理试验对数值模拟结果的有效性和准确性进行验证,是国内外检验新的数值模拟模型的通用方法。利用三峡库区龚家方崩滑体涌浪物理原型试验结果,对基于水波动力学的崩滑体涌浪数值模拟方法进行对比研究。研究表明:数值模拟再现物理试验中波浪的相互作用过程,2方法的波高测点波高过程线吻合性较好。数值模拟得到的定量值与物理试验有一定误差,误差来源于涌浪源模型。基于水波动力学的涌浪灾害数值模拟方法具有有效性和准确性。该方法可为长距离大范围的河道涌浪灾害预警预测提供科学依据,将是相关领域未来发展的主流,研究结论将有利于基于水波动力学的崩滑体涌浪数值模拟方法的推广与应用。
Validation of the validity and accuracy of numerical simulation results by physical experiments is a common method for testing new numerical simulation models at home and abroad. Based on the results of the physical prototype test of Gongjiafang landslide in the Three Gorges Reservoir area, the numerical simulation method for the collapse of landslide based on water wave dynamics is comparatively studied. The results show that numerical simulation reproduces the wave interaction in the physical experiment, and the wave height of the two methods is good. The quantitative value obtained by numerical simulation has some errors with the physical experiment, and the error comes from the surge source model. The wave-wave numerical simulation method based on water wave dynamics is effective and accurate. This method can provide a scientific basis for early warning and prediction of long-distance river surge disaster and will be the mainstream of future development in related fields. The conclusion of the study will be beneficial to the popularization and application of numerical simulation method for wave-in-body surging based on water-wave dynamics .