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.
Compile EFDC+ Source Code Using Intel oneAPI
Traditionally, scientific modeling software development has been siloed to the model developers.
Modeling Tropical Cyclones in EEMS
A tropical cyclone is a system of rapidly rotating wind around a low-pressure center that produces extreme winds, gusts, and heavy rainfall.
Using EEMS to Model the Effects of Sediment Dredging
Dredging refers to excavating sediments under a water body.
High-Resolution Marine Cadastre AIS Data for Propwash Modeling
Propeller wash (propwash) causes sediment scour in the seabed that can threaten the safety of structures in ports and harbors and cause environmental problems
Coupling HSPF Water Quality Model with EFDC+
Developing a hydrodynamic or a water quality model may require input of boundary conditions from other models.
Kingston Ferry Terminal Propwash Simulation
Sediment erosion caused by propeller wash from ships is of considerable concern in many ports and harbors for terminal safety.