Penn State

June 22–26, 2009

Ramada Inn Conference Center | State College, Pennsylvania

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Hydrology and Hydraulics for
Dam Safety Studies

Topics:

  • Overview of Hydrology and Hydraulics for Dam Safety
  • Overview of HEC-HMS
  • Development of PMP
  • Hydrologic Modeling for PMP/PMF Events
  • Determination of Dam Breach Parameters
  • Dam Break Analysis with HEC-HMS
  • Overview of HEC-RAS
  • Using HEC-GeoRAS to Develop Geometric Data
  • HEC-GeoRAS Geometry Preprocessing
  • Unsteady Flow Modeling with HEC-RAS
  • Using HEC-RAS to Perform a Dam Break Analysis
  • Model Stability Problems when Performing a Dam Break Analysis

Hands-on Computer Workshops:

  • Development of PMP
  • Developing PMF Inflows to Reservoirs and Analyzing Spillway Adequacy
  • Developing Dam Breach Parameters
  • Dam Overtopping and Breaching Analysis with HEC-HMS
  • Unsteady Flow Modeling for Dam Safety Studies using HEC-RAS
  • Performing a Dam Break Analysis using HEC-RAS
  • Diagnosing and Fixing Common Stability Problems
  • Inundation Mapping for Dam Safety Studies

The objective of the course is to enable the participants to perform hydrologic analyses in support of dam safety studies.

Topics will include: development of probable maximum precipitation (PMP); using GIS for developing hydrologic models; hydrologic modeling for the development of the probable maximum flood (PMF); analysis of extreme events; development of dam breach parameters; dam breaching analysis; unsteady flow routing; flood inundation mapping; and flood warning and preparedness. Each participant will have an opportunity to prepare input and analyze output during workshops.

Course Prerequisites

Students who come to this class should already know how to use HEC-HMS and HEC-RAS, as the basic input and output of these software packages will not be covered. Knowledge of this can be from a basic training class or on-the-job experience. Experience in unsteady flow modeling is a plus but is not required.

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