MOSE
Integrated Offshore Simulation Software for Complex Project Challenges
MOSES is Bentley Systems' integrated offshore simulation software, trusted by naval architects and offshore engineers worldwide for over 40 years. It combines modeling, analysis, post-processing, and visualization in a single unified environment to minimize project risk and optimize designs for vessels, platforms, FPSOs, and floating wind turbines.
Summary of specialized technical feature groups of MOSES for offshore floating structure analysis
MOSES provides a comprehensive set of technical tools, including a simulation management interface, an automation scripting language, an integrated analysis solver, and analysis methods ranging from frequency domain to time domain. Each feature is designed to operate seamlessly within a single environment, eliminating the need for data conversion between multiple software applications.
Simulation Management and Automation
- MOSES Executive is the central interface for running simulations, managing workflows, graphing, 3D visualization, and statistical reporting
- MOSES Language provides scripting automation with macros, loops, and conditional logic
- Supports single, batch, and grid-based simulation execution
- Model validity checking and simulation restart from database capability
Interactive 3D Model Building
- Supports trimmed NURBS surfaces, NURBS curves, tri/quad meshes, structured and unstructured point data
- Automated and guided manual fitting of NURBS surfaces and curves to point data
- Parametric transformation to target hydrostatic parameters, fairing and surface curvature analysis
- Automatic hydrodynamic mesh generation, comparison with target hydrostatics and curve of areas
Integrated Solver and Connectors
- Simultaneously computes hydrostatic, hydrodynamic, inertial, and mooring forces
- Connectors model interactions between bodies or with the seabed: slings, catenary mooring lines, nonlinear springs, pins, fenders, mooring lines with buoys or clump weights
- Models hull sections, compartments, Morison elements, and structural components
- Supports lift, lower, and upend with multi-point slings and hooks; activate/deactivate to simulate breakage or re-rigging
Frequency Domain Analysis
- Strip Theory: fast, reliable method for slender vessels (high L/B ratio), RAOs at center of gravity or remote locations, standard and user-defined spectra
- 3D Diffraction: adaptive meshing for non-ship-shaped or surge-sensitive hulls, including nonlinear slowly varying wave drift forces
- Statistical multipliers or storm duration definition support
Time Domain Simulation and Mooring Line Dynamics
- Simulates single/multi-body systems with current, irregular waves, and/or wind environments
- Computes vortex shedding in wind or water, dynamic tank flooding and emptying
- Pipe and Rod elements accurately model mooring line dynamics with large deflections for anchors, risers, TLP tendons, and pipelines
- Customizable reports and auto-generated animations for clear result communication
Integrated Structural Code Checking
- Strength and fatigue checks in time and frequency domains, compliant with AISC, API, DNV, ISO, and NORSOK standards
- Post-processing with MOSES-specific tools: SACS Post, Joint Can, Fatigue
- Results visualization in MOSES Postvue
- Import structures from SACS to extend analysis scope
Jacket Launch and Generalized Degrees of Freedom
- Six-degree-of-freedom jacket launch simulation from barge into water with automated ballasting
- Evaluates structural deformation effects on buoyancy, frequency response, and loadout calculations
- Considers hydrodynamic interaction between two vessels
- Detailed structural evaluation for new or existing FPSOs, platforms, and barges during transport
Integrated Floating Wind Turbine Simulation
- Creates 3D wind turbine platform models with MOSES Modeler
- Generates hydrodynamic and hydrostatic database, exports WAMIT file format
- Simulates turbine loads under real-world conditions with integrated OpenFAST, including turbine control systems
- Generates structural load cases from MOSES time domain analysis, code checks with SACS, visualization in MOSES Postvue
Feature Comparison by Edition
| Capability | MOSES | MOSES Advanced | MOSES Ultimate | MOSES Wind Turbine |
|---|---|---|---|---|
| MOSES Executive | ||||
| MOSES Modeler | ||||
| MOSES Stability | ||||
| MOSES Motions | ||||
| MOSES Language | ||||
| Strip Theory | ||||
| Basic Connectors | ||||
| 3D Diffraction | ||||
| Time Domain | ||||
| Pipe and Rod | ||||
| Structural Solver | ||||
| Loadout | ||||
| Jacket Launch | ||||
| Generalized D.O.F. | ||||
| Floating Wind Turbine |
Outstanding benefits of choosing MOSES for offshore floating structure projects
MOSES is more than just a technical tool. The software is designed to deliver tangible business value: reducing risks, saving time and costs, while building confidence for all project stakeholders. Over 40 years of industry experience underpin this reliability.
Optimize Design and Reduce Project Risk
Comprehensive simulation eliminates errors before real-world deployment
- Minimizes offshore project risk through simulation-optimized designs
- Considers all aspects: marine resistance, forces, and motions, building confidence for all stakeholders
Save Time and Reduce Deployment Costs
Automation and integration shorten design cycles and eliminate waste
- Real-world project achieved over 50% reduction in wellhead platform transportation time
- 40% project cost savings through combined MOSES and SACS use
- Cost-effective analysis from the design phase using frequency domain tools
- Fast, comprehensive system response prediction reduces design iteration cycles
Over 40 Years of Proven Industry Expertise
A platform built and refined through decades of real-world application
- Continuously developed for over 40 years in the offshore industry
- Trusted by naval architects and offshore engineers worldwide
- Continuously updated to meet the latest industry standards: AISC, API, DNV, ISO, NORSOK
Unified Integrated Working Environment
A single software replacing multiple disconnected tools, reducing data conversion errors
- Combines modeling, analysis, post-processing, and visualization in one environment
- Eliminates the need for data conversion between multiple software applications
- Customizable workflows with a user-friendly interface accessible to new engineers
Flexible Adaptation to Project Needs
Four editions and multiple licensing options suitable for every enterprise scale
- Four product tiers: MOSES, Advanced, Ultimate, Wind Turbine, selecting the right capability level
- Flexible licensing: 12-month Virtuoso, perpetual with SELECT, or enterprise-level
- Custom training support tailored to specific project requirements
Industries using MOSES for offshore structure analysis and simulation
MOSES serves a wide range of industries related to floating structures, offshore construction and ship design. Below are the main application areas based on the software’s scope of features.
Offshore Oil and Gas
Design, transport, and installation of rigs, FPSOs, and subsea systems
- Stability analysis and transportation of jackets, topsides, and FPSOs
- Jacket launch (6-DOF), loadout, and upending simulation with automated ballasting
- Mooring, riser, and topside structural analysis per AISC, API, DNV
- Detailed structural evaluation for new or existing FPSOs and platforms
Offshore Wind Energy
Design and analysis of floating wind turbine platforms in a unified environment
- Floating wind turbine simulation under real-world conditions: wind, waves, current
- Integrated OpenFAST for turbine control systems, wind load interaction with mooring
- Structural load case generation and SACS code checking
- Typhoon-resistant design, soil-water interaction (reference project with PLAXIS and SACS)
Marine Transportation and Installation
Safe, efficient simulation of large structure transport and installation at sea
- Frequency domain motion analysis for barges and transport vessels
- Multi-point sling and hook lift, lower, and upend simulation
- Complex installation sequence management with customizable scripting
- Real-world project: over 50% transportation time reduction for wellhead platform
FREQUENTLY ASKED QUESTIONS - MOSES SOFTWARE
MOSES is a uniquely integrated simulation software that helps minimize offshore project risk with optimized designs. MOSES enables cost-effective analysis of stability and motions in the frequency domain. Users can perform hull and compartment modeling along with Strip Theory and 3D Diffraction analysis. MOSES combines high-accuracy modeling, automation tools, and customizable workflows, enabling faster, safer, and more cost-effective project delivery.
MOSES is available in four editions: MOSES (stability and frequency domain motions), MOSES Advanced (adds time domain, mooring, and structural analysis), MOSES Ultimate (adds jacket launch and generalized degrees of freedom), and MOSES Wind Turbine (adds floating wind turbine analysis with OpenFAST). Each edition fully inherits all features of the previous tier. Contact TrueTech for edition guidance.
MOSES integrates multiple methods: Morison equation for plate and tubular structures, Strip Theory for conventional hulls, 3D Diffraction with adaptive meshing for non-ship-shaped hulls, Time Domain simulation for single and multi-body systems, and Frequency Domain analysis. MOSES Solver handles all hydrostatic, hydrodynamic, inertial, and mooring forces.
Per Bentley, MOSES requires minimum Pentium 4 processor, Windows 8/8.1, 10, or 11, minimum 2GB RAM (8GB recommended), minimum 10GB disk space, graphics card supporting OpenGL, and TCP/IP network connectivity. Performance depends on model size and available resources
Yes. MOSES supports stability analysis under both intact and damaged conditions. Results include wind heeling moment, restoring moment, energy ratio assessment, and flooding point verification for comprehensive safety evaluation.
Yes. MOSES supports crane lift and flooding simulation, six-DOF jacket launch with automated ballasting, Floatover and Lift analysis, wave drift force determination, and time history response simulation. Real-world projects show over 50% transportation time reduction and 40% cost savings.
MOSES pricing varies by region. A popular option is a 12-month practitioner license (Virtuoso Subscription) via Bentley eStore, including software, training, and custom guidance. Bentley also offers Perpetual License with SELECT maintenance and Enterprise Organizations plans. Contact TrueTech for detailed pricing.
Yes. MOSES Wind Turbine is the most comprehensive edition, integrating OpenFAST for real-world wind turbine load simulation, generating hydrodynamic databases in WAMIT format, and performing code checking with SACS
Our team of experts is ready to advise on the right MOSES solution for your project
30 years of experience in surveying technology and engineering software. Authorized Bentley Systems distributor in Vietnam.
