Navigating Vertical Layering in EFDC+: A Comprehensive Guide
EFDC+ is a versatile hydrodynamic model capable of operating in 1-, 2-, or 3-dimensional (3D) modes. For 3D simulations, EFDC+ allows users to choose from two vertical layering schemes
Blogs
Spatial Reference Systems in EEMS 12.0
Spatial reference systems play a crucial role in data processing and visualization, as well as in interpreting the model output in EEMS.
EFDC+/GOTM Scenarios: Free Convection
This blog discusses the results of a free convection test case performed with different turbulence closures available in EEMS 12.
EFDC+ GOTM Scenarios: Open Channel Flow
The choice of turbulence closure scheme has important consequences on model results through mixing and circulation (Burchard et al., 1998)
Anti-Reflection Open Boundary Condition
Boundary conditions are one of the key aspects of hydrodynamic models and require special attention.
Using Multiple Wind Series in EEMS
Wind is an essential factor in hydrodynamic model settings. EEMS has a feature that allows users to add multiple wind series to the model.
Saving and Loading Models from Layout Files
EFDC+ Explorer is a powerful tool for visualizing and analyzing data.
Time Series Calibration in EEMS
EFDC+ Explorer is a powerful and intuitive tool for evaluating models using various types of comparison data.
Evaluating EFDC+ Test Results
Automated testing systems are crucial in software development and quality assurance processes.
Generating a Multi-Panel Visualization in EEMS
EFDC+ Explorer is a powerful tool for visualizing and analyzing EFDC+ model output and input data.
Improving EFDC+ Model Simulation Efficiency - Part 2: Removing Bottlenecks in Your Simulations
In a previous blog post, we outlined some of the ways to improve EFDC+ model simulation efficiency to reduce the model runtimes.
Improving EFDC+ Model Simulation Efficiency - Part 1: Model Timing and Stability
Improving EFDC+ model simulation efficiency can reduce the model runtimes, which is critical for many modeling applications.
Models for EFDC+ Testing
In a previous blog, we outlined how our automated integration testing works at a high level.
Automated Integration Testing for EFDC+
Environmental Fluid Dynamics Code Plus (EFDC+) is the DSI version of the EFDC that supersedes the version that was initially developed
Triangular edge cells in EEMS
A curvilinear orthogonal grid, like that used in EFDC, can effectively represent complex river systems and coastlines.
EEMS Feature: Partial Flow Blocking
Partial flow blocking was added as a feature of EEMS with version 10.1.
The EEMS-BASINS Plugin is Now Available
Better Assessment Science Integrating point and Nonpoint Sources (BASINS) is a multipurpose environmental analysis system and has been made freely available by its developer, the US EPA
Implementation of GOTM in EFDC+
Since the early development of Environmental Fluid Dynamics Code (EFDC)
EFDC+ MPI Multi-core Scaling Study
In 2020, DSI implemented MPI in EFDC+ to improve model run time.
Validation of New Jet and Plume Features in EEMS
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
Simulation of jets and plumes is an essential aspect of computational fluid dynamics. Jet and plume modeling is required in many natural and industrial applications
Major Changes in Eutrophication Module from EFDC+10.3 to EFDC+10.4
In EFDC+, the eutrophication module refers to modeling aquatic plants and algae, zooplankton, and the biochemical transformation of nutrients during this process.
Mass Balance Calculation for Waterbodies using EEMS
A waterbody typically has multiple tributaries contributing flow and other constituents to the domain.
Impact of Elevation on DO Saturation
A commonly recognized phenomenon is that as the altitude increases, the atmospheric pressure decreases.
Selecting Hydrodynamic and Water Quality Modeling Software
The modeling software you select for your project depends on project objectives, budget, schedule, and available programming resources.
A Review of EFDC Versions
Environmental Fluid Dynamics Code (EFDC) is a state-of-the-art, multifunctional surface water modeling engine that includes hydrodynamic, sediment-contaminant
Lake Okeechobee Hurricane Simulation
In recent decades, loss of life from natural disasters has dropped considerably as we have become better prepared with respect to warnings and emergency preparedness.
Estimating Ship Engine Power for EFDC+ Propeller Wash Simulations
Developing a propeller wash model requires specifying the ship and propeller properties as model input parameters.
EEMS10.4 to WASP8 Linkage
The Water Quality Analysis Simulation Program (WASP) is a dynamic, spatially-resolved
Single-layer vs. Multi-layer Simulations in Hydrodynamic and Water Quality Modeling
The selection of a single layer vs. multiple layers for simulating hydrodynamic and water quality depends upon a range of factors.