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4家研究机构参与了IMPACT项目泥沙运动专题的研究。研究中首先进行了一系列的试验室试验,获取了大量的试验数据。研究机构建模模拟了试验室极端洪水条件下的泥沙运动,并结合Lake Ha! Ha!大坝溃决事件,研究人员将模型用于该真实案例的模拟研究中。通过对比试验室试验数据和真实溃坝案例的数据,检验了数字模型,评价了各模型的性态和不确定性,并依此提出了关于未来研究的建议。
Four research institutes participated in the study of sediment movement in the IMPACT project. First of all, a series of laboratory tests were conducted in the study, obtaining a large amount of experimental data. The modeling of the research institute simulates the sediment movement under extreme flood conditions in the laboratory. Combined with the collapse of the Lake Ha! Dam, researchers used the model in the simulation study of the real case. By comparing the laboratory test data with the data of the actual dam breakage case, the numerical model is tested, the performance and uncertainty of each model are evaluated, and suggestions for future research are put forward accordingly.