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  • PLAXIS  
  • 2D PlaxFlow

2D PlaxFlow
2D PlaxFlow - Saturation
2D PlaxFlow - Pore Presures
2D PlaxFlow - Level & Flow
โมดูล PlaxFlow เป็นโมดูลเสริมของโปรแกรม PLAXIS 2D สำหรับการวิเคราะห์การเปลี่ยนรูปและการไหลของน้ำใต้ดิน (Groundwater Flow) โดยสามารถกำหนดให้มีการอิ่มตัวของน้ำและอิ่มตัวของน้ำบางส่วน (Partially saturated Soil) ก็ได้





Modelling :
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Time dependent boundary conditions (linear, harmonic and user defined)
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Various boundary conditions for flow (seepage, head, prescribed boundary flux, infiltration/precipitation, drains and wells)
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Various Soil Water Characteristic Curves (SWCC) (Mualem-Van Genuchten, approximate Van Genuchten and user defined)
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Various predefined data sets for SWCC based on different soil classification systems (standard, Hypres, USDA and Staring)
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Bishop stress and suction as state variables for unsaturated soil models
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Well-known Barcelona Basic Model
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User defined soils model for unsaturated soils
 
Calculations :
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Automatic time stepping for fully coupled flow-deformation and groundwater flow analyses
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Possibility to simulate mechanical behaviour of partially saturated soils in all existing types of calculations (plastic, Phi/C reduction, dynamics and consolidation analyses)
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Three different modes of calculations; Classical: similar to previous versions of PLAXIS, Advanced: Unsaturated soils, Flow: groundwater flow analyse
 
Results :
Flow results in addition to displacements and stresses e.g.
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Darcy’s velocities
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Suction
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Degree of saturation
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Relative permeability
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Groundwater head
 
Applications :
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Simulations of unsaturated soil behaviour
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Earth and rockfill dams (time dependent problems)
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Staged construction in time
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Analysis of rapid drawdown situations
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Slope stability analysis (landslides, effect of environment (rain, flooding etc.) on slope stability)
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Soils with collapse risks (compacted soils)
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Drainage systems

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