文章浏览阅读76次。本文系统讲解HEC-RAS在水利工程中开展一维恒定流模拟的关键流程：从断面数据标准化整理、糙率分区设定与边界条件配置，到几何建模、恒定流计算设置及水面线合理性验证；重点剖析断面间距、糙率赋值、下游坡度、桥涵处理和收敛性等5类典型误差源，并提供Python批量后处理 ...

文章浏览阅读55次。本文基于A流域65km河道洪水模拟案例，系统阐述HEC-RAS中稳定流与非稳定流的协同建模流程：先以稳定流校核地形、糙率及断面参数，再迁移至非稳定流开展洪水过程演进模拟。重点涵盖DEM预处理、断面布设原则、糙率分区策略、边界条件设定、Courant数控制、热启动初始条件、干湿 ...

RAS Commander MCP provides bounded, read-only information from HEC-RAS project and plan text through the public RAS Commander Python API. It requires no HEC-RAS executable. The fuller modeling, ...

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Over the last decade and a half, flood susceptibility mapping (FSM) has evolved from bivariate statistics to ensemble machine learning and deep learning, but ...

Lana Millard Waneka is a water resources engineer at RTI. She specializes in hydrologic forecasting, hydrologic and hydraulic modeling, and flood-risk assessment to support operational and long-term ...