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BHuzPeq

This model verifies the SVAirFlow formulation against the Unconfined Layer example presented by Baehr & Hult in the paper Evaluation of Unsaturated Zone Air Permeability Through Pnuematic Tests (1991).

Model filename: WellPumping > BHuzPeq.svm

Tags: WellPumping,SVAIRFLOW,Axisymmetric,Steady-State,Well pumping,Water resources management,WellPumping,Benchmarking

Attachments:

Dewater_SheetPiling_SS

Dewatering of the region around a well enclosed by sheet piling.

Model filename: WellPumping > Dewater_SheetPiling_SS.svm

Tags: WellPumping,SVFLUX,3D,Steady-State,Water resources management,Well pumping

Attachments:

Dewater_SheetPiling_T

Transient simulation of dewatering of the region around a well enclosed by sheet piling.

Model filename: WellPumping > Dewater_SheetPiling_T.svm

Tags: WellPumping,SVFLUX,3D,Transient,Water resources management,Well pumping

Attachments:

ExcavationPumping

Illustrates the pumping of wells around an excavation.

Model filename: WellPumping > ExcavationPumping.svm

Tags: WellPumping,SVFLUX,3D,Steady-State,Water Table,Well pumping,Water resources management,WellPumping,excavation,pumping,well,borehole

Attachments:

Flushing_Wells

The purpose of this numerical model is to illustrate the use of the SVFLUX software in well-pumping calculations.

Model filename: WellPumping > Flushing_Wells.svm

Tags: WellPumping,SVFLUX,2D,Steady-State,Well pumping,Water resources management,WellPumping

Attachments:

Narrow_Rectangle_2D

A simple water extraction well is modeled to compare the SVFlux Well Object feature to to a well modeled with geometry.

Model filename: WellPumping > Narrow_Rectangle_2D.svm

Tags: WellPumping,SVFLUX,2D,Steady-State,Water resources management,Well pumping,Benchmarking

Attachments:

Plan_Injector

Simple plan view example. Used in modeling concepts section of User's Manual. Flow from an injection well can be seen to flow preferentially through a region where the soil has a higher hydraulic conductivity.

Model filename: WellPumping > Plan_Injector.svm

Tags: WellPumping,SVFLUX,Plan,Steady-State,Well pumping,Water resources management,WellPumping

Attachments:

PumpedWellSingle

The pumped well single model file is designed to illustrate the use of SVFLUX in applying a pumping to a well in a 2D model. Model setup time = 9 minutes.

Model filename: WellPumping > PumpedWellSingle.svm

Tags: WellPumping,SVFLUX,2D,Steady-State,Well pumping,Water resources management,WellPumping

Attachments:

PumpingWellsBasic3D

This model demonstrates the use of 3 pumping wells in a basic 3D model

Model filename: WellPumping > PumpingWellsBasic3D.svm

Tags: WellPumping,SVFLUX,3D,Steady-State,Water resources management,Well pumping,borehole,well,pumping

Attachments:

Shaft_Impact_on_Water_Table_Scenario1

Saturated material and steady-state. The purpose of this numerical model is to determine the pumping rates required to dewater a 1000 m deep well with a radius of 0.5 m in a theoretical material. It is assumed that groundwater is allowed to seep into the well at all depths. The water table in the well is drawn down almost instantly and maintained at an elevation of 0 m. The resulting radial change to the surrounding water table is examined.

Five different modeling scenarios are implemented. The system type is varied between steady-state and transient and the material properties are varied between saturated and unsaturated. The effect of anisotropy on the groundwater flow rate to the well is also analyzed.

The material is assumed to be a dense till with a saturated permeability of 0.0026 m/day in all scenarios. A ratio of 1:1 is assumed for the horizontal to vertical permeability ratio (kz-ratio) for all scenarios except the final scenario where the ratio is 3:1 (kz = 0.0026 m/day, kr = 0.0078 m/day). The flux section used to measure the groundwater flow into the well is placed at a radius of 10 m (9.5 m from the actual well boundary) in order to avoid numerical inaccuracies of measuring the flow directly along the well boundary. Similarly, a segment mesh spacing of 0.5 m was applied along the well boundary segment in order to increase the numerical accuracy in this area. Smaller segment mesh spacing caused the model run time to increase substantially with little change to the flow rates.

Model filename: WellPumping > Shaft_Impact_on_Water_Table_Scenario1.svm

Tags: WellPumping,SVFLUX,Axisymmetric,Steady-State,Water Table

Attachments:

Shaft_Impact_on_Water_Table_Scenario2

Saturated material and transient. The purpose of this numerical model is to determine the pumping rates required to dewater a 1000 m deep well with a radius of 0.5 m in a theoretical material. It is assumed that groundwater is allowed to seep into the well at all depths. The water table in the well is drawn down almost instantly and maintained at an elevation of 0 m. The resulting radial change to the surrounding water table is examined.

Five different modeling scenarios are implemented. The system type is varied between steady-state and transient and the material properties are varied between saturated and unsaturated. The effect of anisotropy on the groundwater flow rate to the well is also analyzed.

The material is assumed to be a dense till with a saturated permeability of 0.0026 m/day in all scenarios. A ratio of 1:1 is assumed for the horizontal to vertical permeability ratio (kz-ratio) for all scenarios except the final scenario where the ratio is 3:1 (kz = 0.0026 m/day, kr = 0.0078 m/day). The flux section used to measure the groundwater flow into the well is placed at a radius of 10 m (9.5 m from the actual well boundary) in order to avoid numerical inaccuracies of measuring the flow directly along the well boundary. Similarly, a segment mesh spacing of 0.5 m was applied along the well boundary segment in order to increase the numerical accuracy in this area. Smaller segment mesh spacing caused the model run time to increase substantially with little change to the flow rates.

Model filename: WellPumping > Shaft_Impact_on_Water_Table_Scenario2.svm

Tags: WellPumping,SVFLUX,Axisymmetric,Transient,Water Table

Attachments:

Shaft_Impact_on_Water_Table_Scenario3

Unsaturated material and steady-state. The purpose of this numerical model is to determine the pumping rates required to dewater a 1000 m deep well with a radius of 0.5 m in a theoretical material. It is assumed that groundwater is allowed to seep into the well at all depths. The water table in the well is drawn down almost instantly and maintained at an elevation of 0 m. The resulting radial change to the surrounding water table is examined.

Five different modeling scenarios are implemented. The system type is varied between steady-state and transient and the material properties are varied between saturated and unsaturated. The effect of anisotropy on the groundwater flow rate to the well is also analyzed.

The material is assumed to be a dense till with a saturated permeability of 0.0026 m/day in all scenarios. A ratio of 1:1 is assumed for the horizontal to vertical permeability ratio (kz-ratio) for all scenarios except the final scenario where the ratio is 3:1 (kz = 0.0026 m/day, kr = 0.0078 m/day). The flux section used to measure the groundwater flow into the well is placed at a radius of 10 m (9.5 m from the actual well boundary) in order to avoid numerical inaccuracies of measuring the flow directly along the well boundary. Similarly, a segment mesh spacing of 0.5 m was applied along the well boundary segment in order to increase the numerical accuracy in this area. Smaller segment mesh spacing caused the model run time to increase substantially with little change to the flow rates.

Model filename: WellPumping > Shaft_Impact_on_Water_Table_Scenario3.svm

Tags: WellPumping,SVFLUX,Axisymmetric,Steady-State,Water Table

Attachments:

Shaft_Impact_on_Water_Table_Scenario4

Unsaturated material and transient. The purpose of this numerical model is to determine the pumping rates required to dewater a 1000 m deep well with a radius of 0.5 m in a theoretical material. It is assumed that groundwater is allowed to seep into the well at all depths. The water table in the well is drawn down almost instantly and maintained at an elevation of 0 m. The resulting radial change to the surrounding water table is examined.

Five different modeling scenarios are implemented. The system type is varied between steady-state and transient and the material properties are varied between saturated and unsaturated. The effect of anisotropy on the groundwater flow rate to the well is also analyzed.

The material is assumed to be a dense till with a saturated permeability of 0.0026 m/day in all scenarios. A ratio of 1:1 is assumed for the horizontal to vertical permeability ratio (kz-ratio) for all scenarios except the final scenario where the ratio is 3:1 (kz = 0.0026 m/day, kr = 0.0078 m/day). The flux section used to measure the groundwater flow into the well is placed at a radius of 10 m (9.5 m from the actual well boundary) in order to avoid numerical inaccuracies of measuring the flow directly along the well boundary. Similarly, a segment mesh spacing of 0.5 m was applied along the well boundary segment in order to increase the numerical accuracy in this area. Smaller segment mesh spacing caused the model run time to increase substantially with little change to the flow rates.

Model filename: WellPumping > Shaft_Impact_on_Water_Table_Scenario4.svm

Tags: WellPumping,SVFLUX,Axisymmetric,Transient,Water Table

Attachments:

Shaft_Impact_on_Water_Table_Scenario5

Saturated material, steady-state and kz anisotropy ratio = 1/3 with ksat = 0.0078 m/day. The purpose of this numerical model is to determine the pumping rates required to dewater a 1000 m deep well with a radius of 0.5 m in a theoretical material. It is assumed that groundwater is allowed to seep into the well at all depths. The water table in the well is drawn down almost instantly and maintained at an elevation of 0 m. The resulting radial change to the surrounding water table is examined.

Five different modeling scenarios are implemented. The system type is varied between steady-state and transient and the material properties are varied between saturated and unsaturated. The effect of anisotropy on the groundwater flow rate to the well is also analyzed.

The material is assumed to be a dense till with a saturated permeability of 0.0026 m/day in all scenarios. A ratio of 1:1 is assumed for the horizontal to vertical permeability ratio (kz-ratio) for all scenarios except the final scenario where the ratio is 3:1 (kz = 0.0026 m/day, kr = 0.0078 m/day). The flux section used to measure the groundwater flow into the well is placed at a radius of 10 m (9.5 m from the actual well boundary) in order to avoid numerical inaccuracies of measuring the flow directly along the well boundary. Similarly, a segment mesh spacing of 0.5 m was applied along the well boundary segment in order to increase the numerical accuracy in this area. Smaller segment mesh spacing caused the model run time to increase substantially with little change to the flow rates.

Model filename: WellPumping > Shaft_Impact_on_Water_Table_Scenario5.svm

Tags: WellPumping,SVFLUX,Axisymmetric,Steady-State,Water Table

Attachments:

SimplePumpingFullLength

Pump along the entire length of the well.

Model filename: WellPumping > SimplePumpingFullLength.svm

Tags: WellPumping,WellPumping,SVFLUX,3D,Steady-State,Water Table,Water resources management,Well pumping

Attachments:

SimplePumpingFullLength_Head_BC

Pump along the entire length of the well. Model with head boundary condition.

Model filename: WellPumping > SimplePumpingFullLength_Head_BC.svm

Tags: WellPumping,SVFLUX,3D,Steady-State,Water Table,Water resources management,Well pumping,WellPumping

Attachments:

SingleWellAirExtraction

Example of air extraction coupled with svflux in a single well.

Model filename: WellPumping > SingleWellAirExtraction.svm

Tags: WellPumping,SVAIRFLOW,SVFLUX,2D,Transient,Water Table,Water resources management,Well pumping,well pump,air extraction,soil vapor extraction,well extraction,two phase flow,coupled model of gas and water flow

Attachments:

Slender_Cylinder_3D

A simple water extraction well is modeled to compare the SVFlux Well Object feature to to a well modeled with 3D geometry.

Model filename: WellPumping > Slender_Cylinder_3D.svm

Tags: WellPumping,SVFLUX,3D,Steady-State,Water resources management,Well pumping

Attachments:

WellAirExtractionRate30

Air Extraction Well

Model filename: WellPumping > WellAirExtractionRate30.svm

Tags: WellPumping,SVAIRFLOW,2D,Transient,Water Table,Water resources management,Well pumping,WellPumping

Attachments:

Well_Object_2D

A simple water extraction well is modeled to compare the SVFlux Well Object feature to to a well modeled with geometry.

Model filename: WellPumping > Well_Object_2D.svm

Tags: WellPumping,SVFLUX,2D,Steady-State,Water resources management,Well pumping,Benchmarking

Attachments:

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