What are the groundwater numerical simulation software? Which one is better to use, GMS, Visual modflow, or FEFLOW?

Table of contents

The latest full set of GMS groundwater numerical simulation

Groundwater Environmental Assessment (Level 1) Practical Technology and Modflow Groundwater Numerical Simulation

Practical technology application of groundwater numerical simulation software Visual modflow Flex

Application of FEFLOW modeling practice technology for groundwater thermal coupling simulation

Groundwater environmental impact assessment of various project types in the whole process [Level 1] method and MODFLOW Flex modeling technology


The latest full set of GMS groundwater numerical simulation


Taking the operation of the groundwater numerical simulation software GMS10.1 as the main content, emphasizing the key links such as three-dimensional geological structure modeling, hydrogeological model generalization, boundary condition setting, parameter inversion and model checking. Through the strengthening of the practical operation of the case model, not only the basic skills of the whole process practical operation technology of the groundwater numerical simulation software GMS10.1 can be mastered, but also the key links in the simulation process can be deeply understood to solve practical problems. At the same time, in order to meet the needs of EIA practitioners, further strengthen the numerical simulation of groundwater to solve the difficulties in the implementation of "Technical Guidelines for Environmental Impact Assessment-Groundwater Environment" (HJ 610-2016). Comprehensive groundwater environment modeling and EIA project requirements.

1. Master the modeling process of GMS, including 3D geological structure modeling, direct modeling and conceptual model modeling, and be familiar with the basic operation of the software 2. Master the basic
modules of GMS TIN, Solids, Modflow2000/2005, MT3DMS, MODPATH, PEST, The application process of SEAWAT in simulating groundwater flow, groundwater solute transport, particle transport and seawater intrusion modules.
3. Master the processing of GMS model output data, the preparation of related maps and the three-dimensional visualization of simulation results
4. Able to use numerical models to perform equilibrium calculations and groundwater resource assessments
5. Understand the latest groundwater environmental impact assessment guidelines (HJ 610- 2016), master the outline and main points of writing the groundwater environmental impact assessment report.
6. Through the hands-on operation guidance of 5 examples and face-to-face discussion and communication, the numerical simulation method can be mastered in the whole process, and the problems that arise in the simulation can be quickly diagnosed and dealt with. (Configure the software environment required for learning in advance, you need to bring it yourself)

1. Groundwater numerical simulation theory
1.1 Groundwater seepage motion equation
1.2 Groundwater numerical simulation modeling ideas
1.3 Groundwater numerical simulation required data
1.4 Groundwater numerical simulation solution process 

2. Groundwater numerical simulation data preparation
2.1 Study area boundary preparation and import
2.2 CAD and GIS map interaction and import
2.3 Groundwater flow field preparation and import
2.4 Aquifer generalization and roof and floor data preparation and import
2.5 Calculation and import of hydrogeological parameters Import
2.6 Calculation and import of various source-sink data 

3. Explanation and operation of GMS modules
3.1 Explanation and operation of Map module
3.1 TIN interpolation-contour line operation
3.2 Borehole-section-3D geological structure model operation
3.3 2D and 3D Grid module and interpolation explanation and operation
3.4 UGrid module explanation
3.5 Network 3.6 Explanation and operation
of each package item
3.7 Explanation and operation of MODFLOW module 3.8 Explanation and operation
of MODPATH module 3.9 Explanation and operation
of MT3DMS module 3.10 Explanation and operation
of RT3D module 3.11 Explanation and operation of
PEST automatic parameter adjustment and sensitivity analysis
3.12 Value Model Manual Tuning Method

4. Interpretation of GMS operation results and graphics processing
4.1 Calculation results of groundwater level and model accuracy identification
4.2 Analysis of calculation results of groundwater volume balance
4.3 Analysis of calculation results of groundwater solute migration 

5. GMS example topic one digital three-dimensional geological structure model construction
Mainly use TIN, Boreholes, Solids modules to construct digital three-dimensional geological structure model, learn to master data preparation, module use and digital three-dimensional geological structure model construction.

6. GMS example topic 2 Construction of numerical model of groundwater flow
Mainly use Map, 2D, 3D Grid, UGrid, MODFLOW, PEST modules to practice building numerical model of groundwater, learn grid division, simulate flow field, various source and sink items, boundary conditions As well as automatic parameter adjustment and manual parameter adjustment of the model, analysis of simulation results, etc.
6.1 Model boundary and subdivision
6.2 Model source and sink items and assignment
6.3 Model initial flow field and parameters
6.4 Model identification verification and parameter adjustment
6.5 Model operation results and analysis
6.6 PEST automatic parameter adjustment and parameter sensitivity analysis

7. GMS example topic 3 Construction of groundwater particle tracking model
Mainly use MODFLOW and MODPATH modules to build a particle tracking model based on the groundwater flow model. Learn to use MODPATH modules and more

8. GMS case study topic 4 Construction of groundwater solute transport model
Mainly use Map, 2D, 3D Grid, MODFLOW, MT3DMS modules to learn to build groundwater solute transport model on the basis of groundwater flow numerical model, and master the analysis of simulation results. This model only considers the effects of convection and diffusion, and does not consider the effects of adsorption, degradation, etc.

9. GMS Example Topic 5 Construction of groundwater solute transport model
Mainly use Map, 2D, 3D Grid, MODFLOW, RT3D modules to learn to construct groundwater solute transport model on the basis of groundwater flow numerical model, and master the analysis of simulation results. This model considers convection, diffusion, etc., as well as adsorption, degradation, etc.

10. Practical exercises and Q&A with special examples
Combined with examples and actual engineering projects for practice, discussion and Q&A. And answer questions related to groundwater environmental impact assessment

Groundwater Environmental Assessment (Level 1) Practical Technology and Modflow Groundwater Numerical Simulation


Mainly around the EIA guidelines, combined with different industry categories, the principles, content, working procedures, and methods of groundwater environmental impact assessment are explained with examples. Including data processing and analysis, numerical model construction, and EIA report writing. It involves the operation process and data processing explanation of the groundwater flow field drawing software (Surfer), the operation and application of the groundwater numerical simulation software system, etc. This study will help to improve the ability of technicians to assess the impact of groundwater environment, and solve the difficulties encountered in the implementation of groundwater numerical simulation technology.

[Expert]: Mr. Chen (Senior Engineer), has been engaged in hydrogeology, engineering geology, environmental geology, geotechnical engineering and other related research work for a long time.

Special Topic 1 Introduction to Groundwater Environmental Impact Assessment Work
[1] Groundwater Environmental Impact Assessment Basis: General Principles, Impact Identification, Work Classification, Technical Requirements, Terminology Analysis; [2
] Groundwater Environmental Status Investigation and Impact Prediction: Investigation Scope Determination, Experimental methods, forecasting techniques;
[3] Groundwater environmental protection measures and countermeasures: basic requirements and pollution prevention and control countermeasures;

Topic 2 Acquisition and processing of data related to groundwater environmental impact assessment
[1] Data requirements and data acquisition for groundwater environmental impact assessment
[2] Introduction to Surfer software [
3] Drawing of groundwater flow field
[4] Basic operation of Surfer software (on computer)
 

Topic 3 Operation process, modeling steps and required data processing of groundwater numerical software
[1] Introduction to the principle of groundwater numerical simulation
[2] Introduction to Visual MODFLOW software interface and modules
[3] Modeling steps of groundwater numerical simulation
 

Topic 4: Handling of key technologies of groundwater environmental impact assessment in different industries and computer operation
[1] Groundwater environmental impact assessment treatment of chemical construction projects
[2] Groundwater environmental impact assessment treatment of industrial park planning
[3] Groundwater environmental impact assessment of solid waste accumulation construction projects
[4] Computer operation practise
 

Topic 5. Real groundwater environmental assessment case drill
Modeling process drill for real groundwater environmental impact assessment case
 

Topic 6 Common problem solving methods and experience sharing in modeling
[1] Boundary conditions and generalization of source and sink terms
[2] Treatment of non-convergence problems 
[3] Analytical simulation process and treatment
[4] Experience of hydrogeological parameters Value sharing
[5] Map drawing and data table making of simulated influence range and migration distance


Practical technology application of groundwater numerical simulation software Visual modflow Flex


It mainly revolves around the currently widely used Visual Modflow Flex 6.1 software version. Combined with specific application scenarios, examples explain the entire application process of the software, including data processing and analysis, numerical model construction, and output of simulation results. This course helps to improve the technical staff's ability to operate the groundwater simulation software and solve the difficulties encountered in the implementation of groundwater numerical simulation technology. At the same time, the operation and data processing process of the unsteady flow pumping test processing software Aquifer Test will be explained in the later stage to improve relevant professional capabilities.

Topic 1 Operation process, modeling steps, required data processing and related precautions of groundwater numerical software
[1] Visual MODFLOW Flex features
[2] Visual MODFLOW Flex software interface and modules
[3] Modeling steps and data of groundwater numerical simulation need
 

Topic 2 Model modeling operation methods skills, real case drills, special problem handling
[1] Operation method skills of direct model modeling [
2] Groundwater flow model practical operation and special problem handling Numerical processing of simulated submerged evaporative discharge of mixed pumping wells Calculation of flow velocity and flow in the model Evaluation of groundwater resources based on numerical models
[3] Groundwater solute model operation and special problem handling
Model setting of different types of pollutant discharge
Processing of superimposed background concentration
 

Topic three-parameter optimization module PEST method explanation and example operation
[1] PEST operation method and application
[2] Parameter optimization model method and practical operation

Topic 4 Real groundwater numerical model case training (1)  
[1] Conceptual model modeling method skills
[2] Conceptual model construction of real cases
[3] Model element input and data arrangement

Topic 5 Real groundwater environmental assessment case training (2)
[4] Model identification and verification
[5] Model forecast and analysis
[6] Simulation result output and display

Topic 6 Aquifer Test operation and data processing
[1] Pumping test design Main well location selection Observation hole arrangement Observation of water level dynamics before pumping test Pumping test flow design [2]
Aquifer Test interface introduction
[3] Based on pumping test data selection of main well location, arrangement of observation holes, observation of water level dynamics before pumping test, flow design of pumping test
[4] expression of pumping test results
[5] exchange of questions and answers

Application of FEFLOW modeling practice technology for groundwater thermal coupling simulation


1. Explanation of the basic content of FEFLOW software

1.1 Introduction to commonly used software for groundwater numerical simulation
1.2 Introduction to FEFLOW software interface
1.3 Principles of groundwater numerical simulation

2. Master the basic principles of each module of FEFLOW and the operation in the model

Combined with specific cases, the application process of FEFLOW in the three-dimensional geological structure model and the simulation of groundwater flow is explained in detail:
2.1 Introduction to the relevant interfaces and data entry operations of each module
2.2 Practice building a three-dimensional geological structure model (Example 1)
2.3 Practice building according to the explanation content Numerical model of groundwater (example 2), learn to add various source and sink items, boundary conditions, time series, node parameters and export of simulation results 2.4 According to the simulation results, master the processing of
FEFLOW model output data, the compilation and simulation of related maps 3D visualization of results

3. Establishment of solute transport model and hydrothermal model for numerical simulation of groundwater (Example 3)

For the real model, learn how to build a conceptual model and a mathematical model, practice various parameters of the model and input of source and sink items, and perform solute migration and hydrothermal simulation.
3.1 Construct a conceptual model of solute transport in a real example
3.2 Establish a mathematical model
3.3 Input various parameters and source and sink items of the practice model to simulate water flow and solute transport

4. Establishment of hydrothermal model for numerical simulation of groundwater (Example 4)

Learn how to use numerical models for hydrothermal simulation
4.1 Learn hydrothermal model pumping and irrigation modes, grid division, boundary conditions, initial temperature field assignment 4.2
Porous media parameter assignment
4.3 Temperature identification and aquifer temperature field simulation

5. Establishment of hydrothermal model for numerical simulation of groundwater (case 5)

6. Experience exchange meeting

Groundwater environmental impact assessment of various project types in the whole process [Level 1] method and MODFLOW Flex modeling technology


It mainly explains the principles, methods, working procedures, model operation, report preparation, etc. of groundwater environmental impact assessment around the EIA guidelines, combining different industry categories and examples, and systematically cultivates the skills of EIA personnel in various units. It involves the operation process and data processing explanation of the groundwater flow field drawing software (Surfer), the operation and application of the groundwater numerical simulation software system, etc., and conducts training for real cases such as chemical industry, industrial parks, solid waste accumulation, mines, etc., to master the principles of different projects The groundwater environmental impact assessment technology solves the difficulties encountered in the implementation of groundwater numerical simulation technology.
 

Topic 1 Basic knowledge of groundwater (1 class hour)
[1] Different occurrence types of groundwater: diving/confined water; pore water/crack water/karst water
[2] Groundwater related parameters permeability coefficient; water supply degree; water storage coefficient; dispersion
[3] Basic law of groundwater movement Introduction of various boundary conditions for 2D/3D flow continuity equations [
4] Basic law of solute transport

Topic 2 Explanation of the process of groundwater environmental impact assessment (1 class hour)
[1] Groundwater environmental impact assessment basis: general principles, impact identification, work classification, technical requirements, terminology analysis; investigation and evaluation area determination and evaluation grade division of groundwater level I, level II and Three-level evaluation technical route Numerical method and analytical method prediction ideas
[2] Groundwater environmental status investigation and impact prediction: field work and experimental methods, prediction technology; Groundwater survey point layout and selection Groundwater flow field drawing method [3] Groundwater environmental
protection Measures and countermeasures: basic requirements and pollution prevention and control countermeasures; layout of groundwater monitoring holes [4] preparation of groundwater environmental impact assessment report; compilation of outline analysis method to simulate pollutant migration

Special Topic 3 Learning and Operation of Numerical Software for Groundwater (3 credit hours) Prediction of Pollutants
by Numerical Method
Prediction process mixed production wells are processed in the model
[2]Visual MODFLOW Flex (support win10 system) software interface and module practical operation MODFLOW module (water flow) MT3DMS module (solute migration) PEST module (parameter optimization) [3] Groundwater numerical
simulation Modeling Steps Conceptual Model Numerical Model Identification and Verification Model Predictive Model
[4] Data Requirements and Data Acquisition for Model Establishment Data Requirements and Processing of Numerical Models No Data Area Evaluation Work Thoughts

Topic 4 Learning of relevant professional software (Surfer, Aquifer test) (2 credit hours)
[1] Data requirements and data acquisition for groundwater environmental impact assessment Data requirements for different evaluation levels of groundwater Evaluation ideas for areas without data Network data acquisition and processing
[2] Introduction of Surfer software Multi-source data drawing contour map Base map coordinate registration Contour map whitening to create stereogram [3] Drawing of groundwater flow field Compilation of EIA report maps [4] Basic operation of Surfer software (on the computer
)
[ 5] Purpose of groundwater pumping test and data processing Types of pumping test Technical requirements of pumping test Processing of pumping test data and calculation of parameters
[6] Operation and example application of Aquifer test software

Special Topic 5 Key technical treatment and computer operation of groundwater environmental impact assessment for
chemical construction projects (1 class hour) Groundwater environmental impact assessment treatment and [example] operation for chemical construction projects The setting of the
principle of determining the scope of the simulation area, the setting of the source strength and the model processing real case practice

Topic 6: Treatment of key technologies for groundwater environmental impact assessment of chemical construction projects and hands-on operation (1 class hour) Treatment of
groundwater environmental impact assessment for industrial park planning and [example] operation
Principles for determining the scope of simulation areas Setting of source strength and model processing Real case exercises

Special topic 7 Key technical treatment of groundwater environmental impact assessment of chemical engineering construction projects and computer operation (1 class hour)
Groundwater environmental impact assessment of solid waste accumulation construction projects and [example] operation
simulation area range determination principles Source strength setting and model processing Real case of groundwater monitoring well setting practise

Special Topic 8 Chemical Engineering Construction Project Groundwater Environmental Impact Assessment Key Technology Handling and Computer Operation (1 credit hour)
Mine Development Groundwater Environmental Impact Assessment and Example Operation Principles for Determining the Range of Simulation Areas Principles of Generalized Source Strength of Fractured Aquifer Rocks in Mountainous Areas Setting and Model Processing Real Case Practice

Topic 9 Common problem solving methods and experience sharing in modeling (1 class hour)
[1] Generalization of boundary conditions and source-sink terms; Generalization of Class I, Class II, and Class III boundaries
[2] Handling of non-convergence problems
[ 3] Empirical value sharing of hydrogeological parameters Permeability coefficient to water degree/porosity dispersivity
[4] Map drawing and data table creation of simulation influence range, migration distance, etc. Simulation results at different times Plane graph of pollutant concentration change curve of sensitive points Different pollution Preparation of statistical tables for substance migration distance, maximum concentration, etc.
 

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