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首页> 外文期刊>Pure and Applied Geophysics >Tsunami Squares Approach to Landslide-Generated Waves: Application to Gongjiafang Landslide, Three Gorges Reservoir, China
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Tsunami Squares Approach to Landslide-Generated Waves: Application to Gongjiafang Landslide, Three Gorges Reservoir, China

机译：海啸广场法研究滑坡产生的波浪：在中国三峡水库龚家坊滑坡中的应用

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摘要

We have developed a new method, named "Tsunami Squares", for modeling of landslides and landslide-generated waves. The approach has the advantages of the previous "Tsunami Ball" method, for example, separate, special treatment for dry and wet cells is not needed, but obviates the use of millions of individual particles. Simulations now can be expanded to spatial scales not previously possible. The new method accelerates and transports "squares" of material that are fractured into new squares in such a way as to conserve volume and linear momentum. The simulation first generates landslide motion as constrained by direct observation. It then computes induced water waves, given assumptions about energy and momentum transfer. We demonstrated and validated the Tsunami Squares method by modeling the 2008 Three Gorges Reservoir Gongjiafang landslide and river tsunami. The landslide's progressive failure, the wave generated, and its subsequent propagation and run-up are well reproduced. On a laptop computer Tsunami Square simulations flexibly handle a wide variety of waves and flows, and are excellent techniques for risk estimation.
机译：我们已经开发了一种名为“海啸广场”的新方法，用于对滑坡和滑坡产生的波浪进行建模。该方法具有先前“海啸球”方法的优点，例如，不需要对干细胞和湿细胞进行单独的特殊处理，但是避免了使用数百万个单独的粒子。现在可以将模拟扩展到以前不可能的空间比例。新方法以节省体积和线性动量的方式，加速和运输破碎成新正方形的材料“正方形”。该模拟首先在直接观察的约束下产生滑坡运动。然后在给定有关能量和动量传递的假设的情况下，计算感应水波。我们通过对2008年三峡水库龚家坊滑坡和河流海啸进行建模，证明并验证了海啸广场方法。很好地再现了滑坡的渐进破坏，产生的波及其随后的传播和加速。在便携式计算机上，海啸广场模拟可以灵活地处理各种波浪和流动，是用于风险估计的出色技术。

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