Waterloo Hydrogeologic发布Visual MODFLOW Flex 12.0，集成概念与数值建模，支持多方案对比及MODFLOW等主流引擎，助力地下水模拟与污染分析。
原始标题：Waterloo Hydrogeologic Visual MODFLOW Flex 12.0
- 统一的概念与数值建模：允许用户先构建独立于网格的概念模型，再轻松转换为数值网格模型，大幅减少重复性劳动。
- 多模型方案对比：平台支持在同一项目中轻松生成和并行管理多种方案（如不同的边界条件或网格类型），直观比对模拟结果。
- 强大的引擎支持：支持MODFLOW-2005, MODFLOW-NWT, MODFLOW-USG, MT3DMS, SEAWAT, PEST 等多种标准算法，全面应对各种水资源与环境污染问题。
- 先进的分析与校准工具：内置完善的图表功能和参数校准工具，能快速生成符合标准的水位对比曲线图和三维羽流图。
Waterloo Hydrogeologic, a division of Nova Metrix LLC, has released Visual MODFLOW Flex 12.0 is integrated Conceptual & Numerical Groundwater Modeling Software.
On June 24, 2026, Waterloo Hydrogeologic, has released Visual MODFLOW Flex 12.0, the latest version of industry-leading graphical user interface that brings together industry-standard codes for groundwater flow and contaminant transport, essential analysis and calibration tools, and stunning 3D visualization capabilities in a single environment. The conceptual model approach which is unique to Visual MODFLOW Flex in groundwater modeling user interfaces allows you to:
– Build a conceptual model of the groundwater system, prior to the simulation – Geologic formation structures, hydrogeologic properties, and boundary conditions are all designed outside the model grid or mesh; this allows the flexibility to adjust your interpretation of the groundwater system before applying a discretization method and converting to a numerical model.
– Build the model with minimal data pre-processing required – Working with grid-independent data allows you to maximize the use of your existing GIS data and incorporate physical geology and geographic conditions before designing a grid or mesh.
– Generate and simulate regional and local-scaled models – With support for unstructured Voronoi and Quadtree grids and local grid refinement (LGR), you can design localized/refined grids around areas of interest, directly within the conceptual model environment. With the ability to easily extract subgrids, calculated heads from a regional model can also be used as boundary conditions for local-scaled models.
– Design the correct model faster – The grid-independent raw data is left intact and is not defined by grid cells or mesh elements when modifying the data and project objective. This allows you to generate multiple numerical models from the same conceptual model.
– Make changes to the model data and immediately see results – The conceptual model environment provides simultaneous 2D and 3D views which are updated whenever changes to the data are made.
Version 12.0 of Visual MODFLOW Flex includes the following improvements:
MT3D-USGS
The MT3D-USGS solute transport engine is an upgrade of MT3DMS, expanding its capabilities while retaining its familiar input format.
– Parent/daughter reactions: Simulate arbitrary reactions where decaying parent species produce other species
– Redox reactions: Full support of MT3D’s redox (electron donor/electron acceptor) reaction models, allowing for the simulation of instantaneous reactions involving two species or kinetic reactions involving an arbitrary number of electron donors and electron acceptors
– MODFLOW-6 integration: MT3D can be run with MODFLOW-6 flow simulations on structured grids, allowing users to combine MT3DMS-like transport modeling with MODFLOW-6’s robust flow engine
– Extended dual-domain simulations: Expanded retardation model allowing for the simulation of dual-domain mass transfer with different linear sorption parameters in the mobile and immobile domain
MODFLOW-USG Transport
The MODFLOW-USG Transport engine is now supported, giving users access to its unique capabilities:
– Transport modeling with MODFLOW-USG: For the first time in Flex, users can perform transport modeling using the MODFLOW-USG flow engine
– Time-variant material properties: Change hydraulic conductivity and storage parameters with time, with cell-by-cell precision
– Chain decay reactions: Specify arbitrary parent/daughter reactions, allowing for the simulation of scenarios such as the degradation of chlorinated solvents
MODFLOW-6 Particle Tracking Model (PRT)
Visual MODFLOW Flex now supports the PRT particle tracking model for MODFLOW-6:
– Full capabilities: The familiar Flex workflows can be used to create MODFLOW-6 forwards and backwards particle tracking models that are as capable as the previously-supported engines
– Any grid, out of the box: PRT can be run on any structured or unstructured grid in Flex, without requiring third-party tools
– The full MODFLOW-6 workflow: With the addition of PRT, all major parts of the numerical modeling workflow – flow simulation, transport simulation, automated calibration, subregional water budget analysis, and particle tracking – can now be performed with MODFLOW-6 in Flex
MODFLOW-6 flow engine updates
The included version of MODFLOW-6 has been upgraded from version 6.4.1 to 6.7.0:
– Improved multi-domain simulations: For models with one or more immobile domains, users now explicitly specify the volume fraction of each immobile domain
– Seamless upgrade: Existing projects will be automatically upgraded to the new parameterization
MODPATH 7.2
Users now have the option of using MODPATH 7.2 as the particle tracking engine.
– Quadtree grid particle tracking: MODPATH 7.2 can be used as a first-party particle tracking engine for flow simulations on Q-grids run using MODFLOW-6 or MODFLOW-USG
Visual MODFLOW Flex includes the following improvements for working with your models:
Performance:
Algorithm improvements have greatly decreased runtimes when
– Generating model horizons
– Saving recharge and evapotranspiration boundary conditions which have many stress periods
– Editing and saving recharge and evapotranspiration boundary conditions on structured grids with many grid cells
– Assigning properties or boundary conditions using complex polyline data objects
– Moving between workflow steps when using Q-grids with many cells
Usability:
– Added a keyboard shortcut to navigate between workflow steps (Ctrl + Page Up/Page Down)
Visual MODFLOW Flex is more than just a graphical user interface for MODFLOW groundwater simulations. Visual MODFLOW Flex brings together industry-standard codes for groundwater flow and contaminant transport, essential analysis and calibration tools, and stunning 3D visualization capabilities in a single, easy-to-use software environment. With Visual MODFLOW Flex, groundwater modelers have all the tools required for addressing local to regional-scale water quality, groundwater supply, and source water protection issues.
Be Familiar with the visual modflow flex through this tutorial and creating a conceptual model, and learn to import data to visual modflow flex
Waterloo Hydrogeologic Inc. was founded in 1989. The company’s line of business includes providing computer programming services. Woburn, MA March 13, 2015 – Nova Metrix LLC (“Nova Metrix”) is pleased to announce the acquisition of Schlumberger Water Services Technology Group, which is comprised of Van Essen Instruments (Diver Brand), Westbay Instruments, and Waterloo Hydrogeologic, which were formerly part of the water monitoring division of Schlumberger Water Services. Waterloo Hydrogeologic (currently operates under the legal name Nova Metrix Ground Monitoring (Canada), Ltd. Waterloo Hydrogeologic Division) continues to develop new programs to meet the advancing needs and technology requirements of the groundwater industry. We now offer four main software packages; Visual MODFLOW Flex, Hydro GeoAnalyst, AquaChem, and AquiferTest.
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