Others are unique to the simulation right-click menus. Some of these unique commands are:. The dialog has the following options:. The Simulation Run Queue is used to manage multiple simulations. Once a simulation is started, the Simulation Run Queue appears.
The dialog can also be reached by right-clicking on a simulation item in the Project Explorer and selecting the Simulation Run Queue command. The run queue will show all simulations that are either currently running or have not yet been removed from the run queue. Each simulation will be listed in the order the simulation runs were started.
Full 3D visualization From cross-section editing to advanced probability statistics, GMS offers unparalleled subsurface modeling tools. Real time panning, zooming and rotating in 3D Optimized OpenGL graphics for improved hardware rendering Texture mapping of images on surfaces Transparency of contours, texture maps, surfaces, iso-surfaces Light source and specularity Cut away views to see the inside 3D cross sections at any angle Iso-surfaces Create animation videos - create fly-bys, animate transient data, moving cross sections.
The MODFLOW tutorials provide step-by-step instructions for: Grid independent representation of model features using GIS type objects points, arcs and polygons Grid independent representation of stratigraphy using solids Grid independent representation of stratigraphy using point data and interpolation to MODFLOW layers Display of background images of maps, aerial photos etc.
User friendly interface Standard, intuitive, user-friendly windows interface Annotation tools for report generation Many step-by-step tutorials Complete help system Active forums with contributions from users and developers Full phone and email tech support Regularly scheduled training courses with expert modelers. In the new design, any number of models can be included in a simulation. These models can be independent of one another with no interaction, they can exchange information with one another, or they can be tightly coupled at the matrix level by adding them to the same numerical solution.
Transfer of information between models is isolated to exchange objects, which allow models to be developed and used independently of one another. Within this new framework, a regional-scale groundwater model may be coupled with multiple local-scale groundwater models.
Or, a surface-water flow model could be coupled to multiple groundwater flow models. The framework naturally allows for future extensions to include the simulation of solute transport.
Users can define the model grid using. A package is the part of the model that deals with a single aspect of simulation. Packages included with the GWF Model include.
An additional package is also available for moving water available in one package into the individual features of the advanced stress packages. The GWF Model also has packages for obtaining and controlling output from the model. The GWT Model is designed to work with most of the new capabilities released with the GWF Model, including the Newton flow formulation, unstructured grids, advanced packages, and the movement of water between packages.
The GWT model is also capable of working with the flows from another groundwater flow model, as long as the flows from that model can be written in the correct form to flow and head files.
This new flow formulation is called the XT3D option. The XT3D option extends the capabilities of MODFLOW by enabling simulation of fully three-dimensional anisotropy on regular or irregular grids in a way that properly takes into account the full, three-dimensional hydraulic conductivity tensor. It can also improve the accuracy of groundwater flow simulations in cases in which the model grid violates certain geometric requirements.
Within package input files, information is divided into blocks and informative keywords are used to label numeric data and activate options.
This new input structure was designed to make it easier for users to adjust simulation options in an intuitive manner, reduce user input errors, and allow new capabilities to be added without causing problems with backward compatibility. The following software is not actively supported by the USGS. The software versions below are provided online for historical reference only, and the pages may contain outdated information or broken links.
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