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  • Groundwater flow IqI Shadings vs Arrows views

    Hello, I've noticed an unreasonable difference of the maximum value and minimum value of groundwater flow when changing between the shadings and arrows views as presented below (0.7910 vs 0.9002). Is it because one is showing the value for a stress point…

  • Difference between discharge in ground water flow and hydraulic gradient in flow analysis in Plaxis 2D

    Hi all, In the flow analysis, the cross-section is cut through (2,11) and (5,11) for qy and iy as shown below. This is the homogeneous soil with kx=ky=0.6221 m/day. here q=ki and left side of flow qleft = iyleft * k = 0.2063 * 0.6221 = 0.12834…

  • Drain: Factors depend Groundwater head drawdown

    Hi all, I modeled a drain with a normal behavior (starting from y=15m to y=12m). I provided the groundwater head of the drain as h=12m. I did the steady state flow analysis and thought the groundwater would be drawdown to h=12m from h=15m. But in the…

  • Find water flow through weep hole in retaining wall

    Hi all, I need to provide the diameter, length and distance of the weep hole in the retaining wall. For that reason I used flow analysis by providing a retaining wall and drain but water flow around the retaining wall not through the drain, Can anyone…

  • Plaxis 2D - groundwater flow Volumetric specific storage Ss

    Hi guys, I have an issue with PlaxFlow (Plaxis 2D). I have a model with a fully coupled flow deformation. It is a time-dependent analysis of deformation and pore water pressures. So soil permeabilities are required. In my current model, I need to…

  • Obtaining time-dependent flow results at specific timestamps in a given time interval in Flow only calculations

    Application PLAXIS 2D PLAXIS 3D Version PLAXIS 2D CONNECT Edition PLAXIS 3D CONNECT Edition Date created 2 December 2022 Date modified 2 December 2022 Original author Pedro Reis - Bentley Technical Support Group …

  • Hydraulic conductivity input in PLAXIS using van Genuchten functional forms in a groundwater flow analysis

    Application PLAXIS 2D PLAXIS 3D Version PLAXIS 2D CONNECT Edition PLAXIS 3D CONNECT Edition Original Author Faseel Khan - Technical Support Group Date created 02 November 2022 Date modified 02 November 2022 …

  • PLAXIS 2D Tutorial 12: Potato field moisture content

    Application PLAXIS 2D Version PLAXIS 2D Date created 20 May 2017 Date modified 27 Feb 2023 This lesson demonstrates the applicability of PLAXIS to agricultural problems. The potato field lesson involves a loam layer…

  • Hydraulic discontinuity during flow analysis

    Good morning, I'm trying to define the global stability of an embankment supported by a gravity wall. In this case, I would like to perform an analysis in which the water level must be divided into two segments: one behind the wall at a height equal to…

  • 2D Groundwater flow - Global water level influence

    Hi I am modelling a dewatering of an excavation, using 2D Plaxis V21 in the "steady state ground water flow" analysis. For me it is not clear how I should set the global water level or what kind of influence this water level does have. I made three…

  • GWT for the trial trench excavation

    Hi all, When we model the trial trenches in Plaxis (to find the utilities inside the ground, so can't provide embedded depths), how to draw the GWT to get the full water effect? If I used the groundwater flow and the head pore water pressure provided…

  • Groundwater flow analysis in PLAXIS – Brief overview

    Application PLAXIS 2D PLAXIS 3D Version PLAXIS 2D CONNECT Edition PLAXIS 3D CONNECT Edition Date created 17 June 2022 Date modified 17 June 2022 Original author Faseel Khan - Bentley Technical Support Group …

  • Groundwater flow, fully coupled flow deformation and undrained analyses in PLAXIS 2D and 3D

    Application PLAXIS 2D PLAXIS 3D Version PLAXIS 2D PLAXIS 3D Original Author V. Galavi Date created 18 October 2011 Date modified 24 October 2016 Scientific backgrounds and verification of groundwater flow…

  • Mesh alignment in flow problems

    Application PLAXIS 2D PLAXIS 3D Version PLAXIS 2D PLAXIS 3D Date created 02 November 2012 Date modified 02 November 2012 When performing non-linear flow calculations, results can be influenced by the particular finite…

  • Permeability value change not stored when changing from From data set to None [Solved]

    Application PLAXIS 2D PLAXIS 3D Issue status Solved First Affected Version PLAXIS 2D 2017 PLAXIS 3D 2017 Found in Version PLAXIS 2D 2017 PLAXIS 3D 2017 Fixed and Released in Version PLAXIS 2D CONNECT Edition V20 Update…

  • External water loads on a cantilevered plate after groundwater flow in 2D AE

    Application PLAXIS 2D Issue status ✔ Solved First Affected Version PLAXIS 2D AE.01 Found in Version PLAXIS 2D AE.01 Fixed and Released in Version PLAXIS 2D 2015.00 Issue # 21845 Date created 22…

  • 2D2011.00: Default pore pressure calculation is taken from the previous phase instead from the parent phase

    Application PLAXIS 2D Issue status Open First Affected Version PLAXIS 2D 2011.00 Found in Version PLAXIS 2D 2011.00 Fixed and Released in Version Issue # 16034 Date created 02 January 2012 Date modified…

  • Excess pore pressure is doubled at the start of a transient groundwater flow of a semi-coupled analysis

    Application PLAXIS 2D Issue status ✔ Solved First Affected Version PLAXIS 2D 2010.01 Found in Version PLAXIS 2D 2010.01 Fixed and Released in Version PLAXIS 2D 2012.00 Issue # 17569 Date created …

  • Groundwater flow results after a consolidation analysis (EPP)

    Application PLAXIS 2D Issue status ✔ Solved First Affected Version PLAXIS 2D 2010.01 Found in Version PLAXIS 2D 2010.01 Fixed and Released in Version PLAXIS 2D 2011.00 Issue # 14637 Date created …

  • Ignore suction in Fully coupled flow-deformation analysis

    Application PLAXIS 2D PLAXIS 3D Issue status ✔ Solved First Affected Version PLAXIS 2D 2015.00 PLAXIS 3D 2013.00 Found in Version PLAXIS 2D 2015.00 PLAXIS 3D 2013.00 Fixed and Released in Version PLAXIS 2D 2017…

  • Consolidation TPP: Activating a cluster and changing its water conditions

    Application PLAXIS 2D Issue status ✔ Solved First Affected Version PLAXIS 2D 2010 Found in Version PLAXIS 2D 2010 Fixed and Released in Version PLAXIS 2D AE Issue # 15911 Date created 12 October…

  • Transient groundwater flow analysis is reset to steady state after changing the calculation type

    Application PLAXIS 2D Issue status ✔ Solved First Affected Version PLAXIS 2D 2010.01 Found in Version PLAXIS 2D 2010.01 Fixed and Released in Version PLAXIS 2D 2011.00 Issue # 14642 Date created …

  • 2D: cannot delete a closed flow boundary

    Application PLAXIS 2D Issue status ✔ Solved First Affected Version PLAXIS 2D 2010 Found in Version PLAXIS 2D 2010 Fixed and Released in Version PLAXIS 2D 2011.00 Issue # 14675 Date created 10 June…

  • PLAXIS 2D Tutorial 06: Dry excavation using a tie back wall

    Application PLAXIS 2D Version PLAXIS 2D Date created 20 May 2017 Date modified 27 Feb 2023 This example involves the dry construction of an excavation. The excavation is supported by concrete diaphragm walls. The…

  • PLAXIS 2D Tutorial 11: Flow through an embankment

    Application PLAXIS 2D Version PLAXIS 2D Date created 20 May 2017 Date modified 27 Feb 2023 In this chapter, the flow through an embankment will be considered in the Flow mode. The crest of the embankment has a width…
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