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EFDC+ Explorer Modeling System
EEMS: The complete modeling package for hydrodynamics, sediment transport, toxics transport, and eutrophication.
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Webinar: Increasing the Performance of EFDC+ Models using Domain Decomposition

Features & Studies, EFDC Insider BlogBy adminhanoiJune 5, 2020

Join Mr. Paul Craig, the chief developer of EFDC+ and EEMS to learn how domain decomposition and MPI can help speed up your EFDC+ model.

Shellfish Farm Module in EEMS10.2

Features & Studies, EFDC Insider BlogBy adminhanoiMay 6, 2020

EEMS from version 10.2 onwards will include a Shellfish Farm Module. This module incorporates a modeling approach….

Implementation of Domain Decomposition in EFDC+ Using MPI

Features & Studies, EFDC Insider BlogBy adminhanoiApril 29, 2020

A primary function of EFDC+ is to solve the governing Partial Differential Equations (PDEs) for fluid flow and…

EFDC+ v10.2 MPI – Benchmark Test

EFDC+ Code & Testing, EFDC Insider BlogBy adminhanoiApril 15, 2020

The MPI implementation in EFDC+ offers a significant improvement in run time compared to the OMP versions of EFDC+.

Automated Nested Model Configuration

User Tips, EFDC Insider BlogBy Tiffany Campbell-BaturaDecember 11, 2019

EEMS has been enhanced with a new feature which helps you develop nested EFDC+ models. This tool extracts pertinent…

Partial Depth Flow Blocking – Part 2

Features & Studies, EFDC Insider BlogBy Tiffany Campbell-BaturaOctober 18, 2019

Simulating the effect of floating bridge on salinity in Lake Washington.

Partial Depth Flow Blocking Part 1

Features & Studies, Modeling Resources, EFDC Insider BlogBy Tiffany Campbell-BaturaOctober 10, 2019

DSI has added a new capability to EFDC+ 10.1. This new capability allows the model to simulate partially…

EEMS 10.1 Release Announcement

News Items & History, EFDC Insider BlogBy adminhanoiOctober 1, 2019

EEMS10 now has the ability to simulate spatially and temporally varying fields, such as a wind or barometric pressure fields.

New EEMS Feature Timely For Hurricane Season- 4 Weeks Until Release

Features & Studies, EFDC Insider BlogBy adminhanoiSeptember 6, 2019

EEMS10 now has the ability to simulate spatially and temporally varying fields, such as a wind or barometric pressure fields.

Things are only getting better with EEMS

News Items & History, EFDC Insider BlogBy adminhanoiAugust 27, 2019

The release of EEMS 10.1 is now just five weeks away. Thank you for joining us last week as we showed how…

Magnuson Park Closed for High E. Coli Levels

News Items & History, EFDC Insider BlogBy adminhanoiJuly 17, 2019

Beaches and parks along Lake Washington provide a great environment for outdoor activities and relaxation to residents nearby.

EFDC in China

News Items & History, EFDC Insider BlogBy adminhanoiMay 17, 2019

EFDC in China Blog Paul Craig, DSI Chief Consultant, made a presentation looking at the development history of EFDC at the inaugural iSymWater conference

EWRI Presentation 2019

News Items & History, EFDC Insider BlogBy adminhanoiApril 26, 2019

Paul M. Craig and Thomas Mathis will present a paper at the ASCE/EWRI Congress 2019 on “Estuarine Salinity Intrusion…

EWRI Workshop 2019

News Items & History, EFDC Insider BlogBy adminhanoiApril 26, 2019

Paul M. Craig and Thomas Mathis will conduct a workshop at the ASCE/EWRI Congress 2019 on “The EFDC+ Explorer Modeling…

In the News: Spencer Dam Failure

News Items & History, EFDC Insider BlogBy adminhanoiMarch 25, 2019

Early in the morning on March 14, 2019, the 92-year-old Spencer Dam located on the Niobrara River in Nebraska failed due to a combination of ice accumulation and high flows….

New Ice Melt Formulation

Features & Studies, EFDC Insider BlogBy adminhanoiFebruary 27, 2019

We are currently working to improve the ice melt formulation in EEMS, a new update for EEMS will be available with this feature later this month!

In the News: Lake Michigan Freezes

News Items & History, EFDC Insider BlogBy adminhanoiFebruary 27, 2019

In case you are lucky enough to be missing the recent cold snap that has passed the US by, here is some “cool” time-lapse footage of the impact of wind and cold weather on Lake Michigan….

Ask The Experts: Sediment Transport Modeling

Features & Studies, EFDC Insider BlogBy Nelson CraigJanuary 29, 2019

For sediment transport modeling, EFDC requires a modeler to define particle size classes and specify the median diameter for each class, which can represent the average behavior of the particles…

In the News: Algae Bloom off the Coast of Florida

News Items & History, EFDC Insider BlogBy adminhanoiJanuary 10, 2019

Remember the Red Tide/Algae Bloom crisis that gain wide attention during 2018? It has been the second long-lasting bloom since 2006, although it is not affecting as wide of an area for now,…

In the News: Taylor Oil Spill in the Gulf of Mexico

News Items & History, EFDC Insider BlogBy adminhanoiDecember 11, 2018

The United States is quickly becoming the world’s largest oil producer, a significant component of this increased production capacity is related to an expansion of offshore oil drilling….

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