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Plaxis 3D

Details Plaxis 3D

Seequent is the subsurface software company within Bentley Systems. Together, we’re helping build a more resilient future by connecting the built world above ground with the hidden world below it. It’s easy to purchase a Virtuoso Subscription, through Virtuosity, Bentley’s eStore, and still get the expert technical support from Seequent’s subsurface experts.

Model and analyze geo-engineering projects with finite element analysis in 3D

PLAXIS is a user-friendly, finite element package with trusted computation that is used by geotechnical engineers globally. PLAXIS 3D offers CAD-like drawing capabilities to help with the analysis of subsurface environments for geoengineering projects. From excavations, embankments, foundations, tunneling, and mining, to reservoir geomechanics, users can determine the deformation and stability of geotechnical engineering and rock mechanics to assess the geotechnical risk.

Because every firm has different needs, there are multiple variations of PLAXIS 3D:

PLAXIS 3D: PLAXIS 3D includes the most essential functionality to perform everyday deformation and safety analysis for soil and rock. This comprehensive software for the design and analysis of soil, rocks, and associated structures makes it easy to model in 3D.
PLAXIS 3D Advanced: PLAXIS 3D Advanced includes everything that is included in PLAXIS 3D, plus enhances your geotechnical design capabilities with more advanced features and material models. You can consider creep or flow-deformation coupling through consolidation analysis. Additionally, you can solve your problems faster than PLAXIS 3D, by leveraging the multicore solver.
PLAXIS 3D Ultimate: Extend the capabilities of PLAXIS 3D Advanced, to analyze the effects of vibrations in the soil, like earthquakes and moving traffic loads. You can also simulate complex hydrological conditions through time-dependent variations of water levels or flow functions on model boundaries, as well as soil boundaries.
PLAXIS 3D WorkSuite: PLAXIS 3D WorkSuite includes everything that you get with PLAXIS 3D Ultimate, plus you get PLAXIS 3D LE, for limit equilibrium slope stability analysis and PLAXIS Designer to help build 3D conceptual models.

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Technical Capabilities Plaxis 3D

Modeling

Automatic Swept Meshing for more efficient meshes
Elastoplasticity for beams and plates
Revolve around axis tool
CAD import and export
Nonlinear geogrids: Elastoplastic (N-ε) and Viscoelastic (time-dependent)
Cross and parallel permeability in interfaces
Polar and rectangular array
Easy definition of rock bolts and girders in Tunnel Designer
Define excavation sequence in the Tunnel Designer
Automatic generation of staged construction phases for tunnels
Design arbitrary geometries combining NURBS curves and polycurves
Automate processes with full command line support and remote scripting API

Material Models

Masonry
Mohr-Coulomb (Linear Elastic Perfectly Plastic)
N2PC-Salt
Hardening soil
Hardening Soil (Isotropic hardening)
Hardening Soil with small-strain stiffness (HSSmall)
Hoek-Brown (rock behavior)
Soft soil (with and without creep)
NGI-ADP model
Jointed rock
Hoek-Brown with parameter guide
Hoek & Brown model with softening
Sekiguchi-Ohta, viscid and inviscid
User-defined soil models
Joined Rock (anisotropy)
UBC3D-PLM (based on UBCSAND)
Soft Soil
Soft Soil Creep (time dependent behavior)
Modified Cam-Clay
Sekiguchi-Ohta
NGI-ADP (anisotropic undrained shear strength)
UDCAM-S
Concrete
Creep-SCLAY1S
Generalized Hardening Soil
Isotropic Jointed Rock with Mohr-Coulomb Failure Criterion
OC-Clay
SHANSEP MC
SHANSEP NGI-ADP
Visco-elastic perfectly plastic
NorSand
Fluid

Calculations

Field stress initial calculation type
Full 64-bit software
Multicore computing
Well-proven and robust calculation procedures
Plastic calculation, consolidation analysis, and safety analysis
Pseudo-static and dynamic analysis, including dynamics with consolidation
Facilities for steady-state groundwater flow calculations, including flow-related material parameters, boundary conditions, drains, and wells
Fully coupled flow-deformation analysis
Convenient and intuitive Phase explorer
Automatic regeneration of construction stages for geometric changes

Results

Structural forces from cylindrical and square volume piles
Realistic assessment of stresses and displacements
Output Model Explorer
Movable cross-sections
Extensive report and movie generator
Contour, shading, iso-surface, and vectors plots
Advanced data slicing

Usage

Rock-mass response and surface settlements due to tunneling, mining, or reservoir depletion
Slope stability and seepage analysis for earth and tailing dams, embankments, and open pit mines
Predicting differential settlements of buildings adjacent to excavation pits
Stability of and seepage into excavation pits, lateral displacements of diaphragm walls
Bearing capacity analysis of suction anchors
Calculate consolidation time for pore pressure dissipation in undrained loading problems

System Requirements Plaxis 3D

Processor:
– Required: Dual Core CPU
– Recommended: Quad Core CPU

Operating System:
– Windows 10, Windows 11

Memory:
– Recommended: Minimum 8 GB
– Large projects may require more

Disk Space:
– Minimum 2 GB free space on the partition where the WindowsTEMP directory resides, and 2 GB free space on the partition where projects are saved.
– Large projects may require significantly more space on both partitions. For best performance, ensure that the TEMP directory and the project directory reside on the same partition.

Display/Graphics Card:
– Required: GPU with 256 MB OpenGL 3.3
– Bentley strongly recommends avoiding simple onboard graphics chips in favor of a discrete GPU from the nVidia GeForce or Quadro range with at least 128-bit bus and 1 GB of RAM, or equivalent solution from ATI/AMD.

Video:
– Required: 1024 x 768 pixels, 32-bit color palette
– Recommended: 1920 x 1080 pixels, 32-bit color palette

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