PLAXIS 2D
Geology and seismic software
Oil and gas software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
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$4,223.00 per 12-month named license
Free Trial
Free version unavailable
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- Professional services (engineering, legal, consulting, etc.)
- Real estate and property management
- Construction
What is PLAXIS 2D
PLAXIS 2D is a finite element analysis (FEA) software package for 2D geotechnical and geoengineering modeling. It is used by geotechnical engineers and engineering geologists to simulate soil-structure interaction, excavation and tunneling effects, embankments, foundations, and groundwater flow in plane strain or axisymmetric conditions. The product focuses on constitutive soil models, staged construction, and coupled deformation–pore pressure analyses to support design and risk assessment workflows. It is commonly applied in civil infrastructure and can also support geotechnical studies associated with energy and subsurface projects.
Specialized geotechnical FEM workflows
PLAXIS 2D provides purpose-built tools for geotechnical analysis such as staged construction, excavation sequences, and soil-structure interaction. It includes geotechnical-oriented inputs (e.g., soil layers, groundwater conditions, and boundary conditions) that align with typical site investigation data. This specialization reduces setup effort compared with more general numerical modeling environments. It is well suited for routine 2D design checks and sensitivity studies.
Advanced soil constitutive models
The software supports a range of constitutive models used in practice, including options beyond linear elastic and Mohr–Coulomb behavior. This enables users to represent nonlinearity, stress dependency, and consolidation effects that are important for settlement and stability assessments. Model selection and parameterization can be aligned with laboratory and in-situ test results. The breadth of models helps address varied ground conditions without switching tools.
Coupled deformation and groundwater
PLAXIS 2D supports coupled analyses that link deformation with pore pressure and groundwater flow, which is important for excavations, dewatering, and consolidation problems. It can represent transient or steady-state pore pressure conditions depending on the analysis type. This capability helps evaluate construction impacts and time-dependent behavior. It also supports interpretation of results through geotechnical outputs such as displacements, stresses, and safety factors.
Primarily 2D idealization limits
PLAXIS 2D is constrained to plane strain and axisymmetric representations, which can be insufficient for strongly three-dimensional geometries and load paths. Users may need a separate 3D workflow for complex excavations, irregular foundations, or spatially variable ground conditions. Translating a 3D problem into 2D can introduce conservatism or miss localized effects. This limitation is inherent to the modeling approach rather than a configuration setting.
Parameter calibration is demanding
Advanced soil models require careful parameter selection and calibration, which can be difficult when site data is limited. Results can be sensitive to assumptions about stiffness, drainage conditions, and stress history. Organizations often need experienced geotechnical analysts and internal standards to ensure consistent modeling. Without this, model credibility and comparability across projects can suffer.
Not a full geoscience suite
PLAXIS 2D focuses on geotechnical numerical analysis rather than end-to-end geoscience interpretation workflows. It does not replace seismic interpretation, reservoir characterization, or broad geostatistical mapping toolchains used in exploration and production contexts. Data integration with enterprise subsurface platforms may require intermediate formats and manual preparation. Teams may need additional software for geological modeling, interpretation, and large-scale subsurface data management.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| PLAXIS 2D | $4,223.00 per year (12-month named license, excl. tax) | Core 2D finite-element deformation and stability analysis. Sold as a Virtuoso (12-month) subscription that includes training/Keys. Named license (single dedicated user). |
| PLAXIS 2D Advanced | $5,279.00 per year (12-month named license, excl. tax) | Adds creep, flow-deformation coupling, consolidation analysis, steady-state groundwater, and heat flow capabilities. |
| PLAXIS 2D Ultimate | $7,521.00 per year (12-month named license, excl. tax) | Extends Advanced with dynamic/vibration analysis, transient hydrology, and thermal coupling. |
| Geotechnical Analysis 2D WorkSuite | $9,520.00 per year (12-month named license, excl. tax) | Bundle including PLAXIS 2D Ultimate + GeoStudio 2D Ultimate; Seequent/Bentley’s most comprehensive 2D package. |
Seller details
Bentley Systems, Incorporated
Exton, Pennsylvania, USA
1984
Public
https://www.bentley.com/
https://x.com/bentleysystems
https://www.linkedin.com/company/bentley-systems/
