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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!