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EEMS: The complete modeling package for hydrodynamics, sediment transport, toxics transport, and eutrophication.
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    • EFDC+ Explorer
    • EFDC+
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  • Solutions
    • Habitat Analysis
    • Climate Change
    • Navigation
    • Hydropower
    • Environmental Compliance
    • Contaminated Sediments
    • Real-time Model Services
  • User Center
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  2. Category "EFDC Insider Blog"

Improving EFDC+ Model Simulation Efficiency Part 2: Removing Bottlenecks in Your Simulations

EFDC Insider BlogBy adminhanoiMarch 15, 2023

In a previous blog post, we outlined some of the ways to improve…

Models for EFDC+ Testing

EFDC Insider BlogBy adminhanoiFebruary 24, 2023

In a previous blog we outlined how our automated integration…

Improving EFDC+ Model Simulation Efficiency (Part 1: Model Timing and Stability)

EFDC Insider BlogBy adminhanoiFebruary 15, 2023

Improving EFDC+ model simulation efficiency can reduce the model runtimes…

Automated Integration Testing for EFDC+

EFDC Insider BlogBy nelsondcraigFebruary 1, 2023

Environmental Fluid Dynamics Code Plus (EFDC+) is the DSI version of the EFDC that supersedes the version….

Triangular edge cells in EEMS

EFDC Insider BlogBy adminhanoiNovember 29, 2022

A curvilinear orthogonal grid, like that used in EFDC, can accurately…

SR-520 Bridge on Lake Washington

EEMS Feature: Partial Flow Blocking

EFDC Insider BlogBy adminhanoiSeptember 9, 2022

Partial flow blocking was added as a feature of EEMS with version 10.1…

The EEMS-BASINS Plugin is Now Available

EFDC Insider BlogBy adminhanoiAugust 30, 2022

Better Assessment Science Integrating point and Nonpoint Sources (BASINS) is …

Implementation of GOTM in EFDC+

EFDC Insider BlogBy adminhanoiJune 13, 2022

Since the early development of Environmental Fluid Dynamics Code (EFDC), many new features…

EFDC+ MPI Multi-core Scaling Study

EFDC Insider BlogBy adminhanoiMay 3, 2022

In 2020, DSI implemented MPI in EFDC+ to improve model run time. We created a detailed model of the…

Validation of New Jet and Plume Features in EEMS

EFDC Insider BlogBy adminhanoiApril 5, 2022

In a recent blog, we highlighted some of the recent enhancements to the jet and plume features in EEMS…

Enhanced Jet and Plume Features Coming to EEMS

EFDC Insider BlogBy adminhanoiMarch 13, 2022

Simulation of jets and plumes is an essential aspect of computational fluid dynamics. Jet and plume modeling…

This blog post will talk about significant changes in this module that include bug fixes and new features.

Major Changes in Eutrophication Module from EFDC+10.3 to EFDC+10.4

EFDC Insider BlogBy adminhanoiFebruary 28, 2022

This blog post describes significant changes in this module that include bug fixes and new features.

Mass Balance Calculation for Waterbodies using EEMS

EFDC Insider BlogBy adminhanoiFebruary 13, 2022

Modeling the waterbody requires the estimation of mass balance of all the constituents that enter and exit the modeling domain…

body of water surrounded by pine trees at the foot of snow covered mountain during daytime

Impact of Elevation on DO Saturation

EFDC Insider BlogBy adminhanoiFebruary 1, 2022

A commonly recognized phenomenon is that as the altitude increases, the atmospheric pressure decreases. Decreased atmospheric pressure leads to a decrease…

Selecting Hydrodynamic and Water Quality Modeling Software

EFDC Insider BlogBy adminhanoiJanuary 5, 2022

The modeling software you select for your project depends on project objectives, budget, schedule, and available programming resources. A general set of modeling…

A Review of EFDC Versions

EFDC Insider BlogBy adminhanoiDecember 5, 2021

Over the years, multiple versions of EFDC developed and supported by different organizations have come become available. This post reviews some of these versions and provides the key differences among them.

Lake Okeechobee Hurricane Simulation

EFDC Insider BlogBy adminhanoiNovember 9, 2021

In recent decades, loss of life from natural disasters has dropped considerably as we have become better…

Estimating Ship Engine Power for EFDC+ Propeller Wash Simulations

EFDC Insider BlogBy adminhanoiOctober 26, 2021

Developing a propeller wash model requires specifying the ship and propeller properties as model…

EEMS10.4 to WASP8 Linkage

EFDC Insider BlogBy adminhanoiOctober 13, 2021

The Water Quality Analysis Simulation Program (WASP) is a dynamic, spatially-resolved, differential mass…

Single-layer vs. Multi-layer Simulations in EEMS

EFDC Insider BlogBy adminhanoiSeptember 16, 2021

The selection of single-layer vs. multi-layers for simulating hydrodynamic and water quality depends upon…

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