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Visualizing Riverine and Coastal
Hydraulic Models in Ensight
October 26, 2012
Presented by:
Satish Kumar
• Multi-Disciplinary Civil Engineering Firm based in
Sacramento, California
• Water Resources Department Provides the Following
Services:
– Hydrologic Modeling
– Hydraulic Flood Modeling
– Infrastructure Design
– Water Supply and Distribution
Wood Rodgers Introduction
• Local and City Agencies
• State Water Resources Department
• Regional Flood Control Districts
• Federal Agencies
Water Resources Clients
• Hydrologic & Watershed Modeling
• Hydraulic Modeling
• Data Collection & Visualization
• Ensight
• Scripting
Presentation Outline
Hydrologic & Watershed Modeling
• Hydrologic Cycle
– describes the
continuous movement of
water on, above and
below the surface of the
Earth.
• Hydrologic Data Inputs
– Watershed Topography
Hydrologic & Watershed Modeling
Hydrologic & Watershed Modeling
• Hydrologic Data Inputs
– Watershed Topography
– Precipitation
Hydrologic & Watershed Modeling
• Hydrologic Data Inputs
– Watershed Topography
– Precipitation
– Landuse
Hydrologic & Watershed Modeling
• Hydrologic Data Inputs
– Watershed Topography
– Precipitation
– Landuse
– Soil Infiltration
Hydrologic & Watershed Modeling
• Hydrologic Data Inputs
– Watershed Topography
– Precipitation
– Landuse
– Soil Infiltration
– Output Hydrograph
• Hydraulic Engineering
– The application of fluid
mechanics principles to
determine the flow
characteristics of a given
conveyance system.
Hydraulic Modeling
Hydraulic Modeling
– DHI MIKE21
– DHI MIKE21FM
– FLO-2D
– TUFLOW
– TUFLOW-FV
• Two–Dimensional Numerical Models
Hydraulic Modeling
- Finite
Difference
- Gridded
Elements
• Two–Dimensional Numerical Models
Hydraulic Modeling
• Two–Dimensional Numerical Models
- Finite Difference
- Gridded Elements
- Finite Volume
- Triangular Mesh
- Quadrangular Mesh
Hydraulic Modeling
• Two–Dimensional Numerical Models
- Identify
Hydraulically
Relevant
Features
Hydraulic Modeling
• Two–Dimensional Numerical Models
- Identify
- Digitize
Features For
Detailed Mesh
Delineation
Hydraulic Modeling
• Two–Dimensional Numerical Models
- Identify
- Digitize
- Translate Survey
Elevation Data to
Mesh Elements
Hydraulic Modeling
• Two–Dimensional Numerical Models
- Identify
- Digitize
- Translate Survey
- Apply Roughness
Parameters
Hydraulic Modeling
Two–Dimensional Numerical Models
- Identify
- Digitize
- Translate Survey
- Apply Roughness
- Assign Boundary
Conditions
Data Collection & Preparation
• GIS Plays an Important
Role in Organizing the
Data.
Data Collection and Preparation
• GIS Plays an Important
Role in Organizing the
Data.
• Visualizing Time Dependent
Simulation Results Requires an
Advanced Tool
EnSight
• How we use EnSight
– Visualization of Model Results
– Advanced Querying of Parameters
– Post Model Calculations
– Enhanced Presentation of 2D Models
EnSight – Example 1: Coastal
Pacific Ocean
CALIFORNIA NEVADA
EnSight – Example 1: Coastal
Model Specs:
- 30 Sq. Mi. Floodplain
- Flexible Mesh
- 250,000 Elements
- 4 Day Simulation
EnSight – Example 1: Coastal
EnSight – Example 1: Coastal
EnSight – Example 1: Coastal
Pacific Ocean
CALIFORNIA NEVADA
EnSight – Example 2: Riverine
EnSight – Example 2: Riverine
Model Specs:
- 32 Sq. Mi. Floodplain
- Flexible Mesh
- 300,000 Elements
- 6 Day Simulation
EnSight – Example 2: Riverine
EnSight – Example 2: Riverine
EnSight – Example 2: Riverine
EnSight – Example 2: Riverine
EnSight – Example 2: Riverine
EnSight – Example 2: Riverine
EnSight – Example 2: Riverine
Scripting
• Multiple Point Queries
Scripting
• Multiple Point Queries
• Python Compatibility
Scripting
• Multiple Point Queries
• Python Compatibility
• Let EnSight do the work!
Scripting
Thank you!