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首页> 外国专利> METHOD FOR SIMULATING RIVER ACCUMULATION PROCESS BASED ON PARTICLE DIAMETER CHANGE IN TERRAIN CHANGE SIMULATION

METHOD FOR SIMULATING RIVER ACCUMULATION PROCESS BASED ON PARTICLE DIAMETER CHANGE IN TERRAIN CHANGE SIMULATION

机译：地形变化模拟中基于粒子直径变化的河流蓄积过程模拟方法

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摘要

PPROBLEM TO BE SOLVED: To simulate a future terrain change in a target area including a slope and a river. PSOLUTION: In the terrain change simulation, the target area is divided into meshes that are basic units. The simulation includes determining a waterfall direction, determining the kind of terrain such as a slope area or a river area, calculating erosion amount, and calculating accumulation amount for each mesh, to estimate a global change of the terrain having a certain degree of expanse. In the step of calculating the accumulation amount, the amount of produced earth/sand of each mesh calculated in the erosion amount calculation step is distributed to a range (an accumulation range) where earth/sand moves in a unit time, according to each terrain kind in the accumulation amount calculation step, and a total amount thereof is calculated as an accumulation amount of each mesh. At that time, when the terrain kind of the mesh to be simulated corresponds to the river area, the accumulation range is calculated as a function based on a flow rate and distribution characteristics of a particle diameter of the produced earth/sand. PCOPYRIGHT: (C)2011,JPO&INPIT
机译：

要解决的问题：模拟目标区域（包括斜坡和河流）中将来的地形变化。

解决方案：在地形变化模拟中，目标区域被划分为基本单位的网格。该模拟包括确定瀑布方向，确定诸如斜坡区域或河流区域之类的地形，计算侵蚀量以及针对每个网格计算累积量，以估计具有一定程度的扩张的地形的整体变化。在计算累积量的步骤中，根据侵蚀量，将在侵蚀量计算步骤中计算出的每个网格的产生的土/沙量分配到土/沙在单位时间内移动的范围（累积范围）。在累积量计算步骤中，将其总和作为每个网格的累积量来计算。那时，当要模拟的网格的地形种类对应于河流区域时，基于流速和所产生的土/砂的粒径的分布特性来计算累积范围作为函数。

版权：（C）2011，日本特许厅＆INPIT

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