OpenWindPowerOffshore Wind Turbine Structural Analysis Software
CONTROL THE WIND
An Offshore Wind Turbine Structural Analysis Software. Explore design alternatives, predict performance, and deliver safe, cost-effective offshore wind farm structures with OpenWindPower.
3 KINDS OF OPENWINDPOWER
OPENWINDPOWER FIXED FOUNDATION
Analyze Wave And Wind Loading
A wave surface profile may be determined from a wave height spectral density function using multiple random seeds. Wind loading can be input as time history or as a random loading developed from various spectra.
Perform Coupled Or Uncoupled Analysis
Interface to the Bladed and FAST v7.1 software and account for the full coupling between wave, wind, and the wind-induced mechanical loading for a multimodal response analysis.
Predict Stress Cycles With Fatigue Analysis
The OpenWindPower Fixed Foundation fatigue analysis method uses the Rainflow counting approach to predict the stress cycles resulting from a time history analysis – including the ability to sequentially accumulate the damage from multiple analysis simulations for numerous wind speeds and sea states.
Wave and wind loading can be represented by either a time history or in spectral form. Commonly used wave and wind loading spectra
are available.
The software features an interface to the GH Bladed and FAST* software, accounting for the full coupling between wave, wind, and the wind-induced mechanical loading for a multimodal response analysis. The GH Bladed multicore interface is fully automated, allowing the user to handle hundreds of time history simulations required for a typical fatigue analysis. The optional multicore capabilities allow for a dramatic reduction in runtime.
The Joint Mesher program allows for the seamless creation of 3D meshes for complex stiffened and unstiffened joints in minutes, saving many hours of detailed mesh generation. Joint Mesher also automates the creation of extraction nodes for hot spot SCF calculation in accordance to DNVGL RP-C203 or a user-defined setting. The program then creates the mesh and the corresponding predefined loading conditions (axial and in- and out-of-plane bending) for the static analysis and post processing for automatic SCF extraction.
The analysis and design of an offshore wind turbine substructure and foundation involves the analysis of tens of thousands of time history simulations with different wind, wave, and turbine loadings. The Job Creator allows the user to use an Excel spreadsheet to automatically set up the file/directory structure for all the time history simulations in minutes, saving weeks of manual, error-prone job creation.
The API approach severely underestimates the load carrying capacity of largediameter monopiles. The OpenWindPower – PLAXIS Monopile Designer interface to the finite element based SACS Pile3D module allows the user to determine the load carrying capacity of large diameter monopiles in accordance with the PISA2 method resulting in a cost savings up to 30%.
The OpenWindPower – PLAXIS interface allows the user to design single or multiple suction buckets seamlessly with the accurate soil structure interaction and capacity checks in PLAXIS 3D to the full bucket structural analysis and code design in SACS. The approach accounts for the full nonlinear interaction between multiple suction bucket foundations on a substructure.
The Femap interface allows the user to model transition or component pieces and other complex geometries in Femap and import them into SACS for analysis and design.
The Cloud or LAN Grid option allows the user to define multiple virtual or physical computer nodes over a cloud or company’s local area network to run multiple analysis in parallel, to achieve up to 100 times saving in analysis computing time.
OPENWINDPOWER FLOATING PLATFORM
Model Floating Platforms
Take advantage of flexible data import, mesh modeling, and automated curve and surface fitting capabilities to quickly generate models for the analysis of new or existing platforms. Systematically explore design alternatives by making measured changes to models with easy-to-use features. Apply transformations to increase the productivity of your initial design process.
Analyze Floating Systems
Automate analyses using the MOSES simulation language to define environmental conditions, specify mooring configurations, and run the integrated solvers in a unified environment. Ensure system response is within defined limits over a range of operating conditions.
Ensure Compliance To Offshore Design Codes
Ensure structural compliance using built-in checking, and filter results for critical conditions. Optimize design and configuration for compliance to numerous current and past international codes.
Offshore Wind Turbine Platform Analysis and Design
Parametric Modeling
Aeroelastic Solver Integration
Job Creator
Siemens Femap Interface
LAN Grid Computing
Post Processing API
Offshore Wind Turbine Platform Analysis and Design
OpenWindPower Floating Platform software provides a comprehensive set of capabilities for the design and analysis of floating offshore wind turbine structures in a single product. Hydrodynamic and structural models can be designed in 3D with advanced modeling capabilities. These models are subjected to wave, current, wind, and turbine mechanical loads to predict motions and compute fatigue on the floating platform.
Parametric Modeling
Complex 3D models of any wind turbine platform are created in minutes, using wizards and interactive sketch features in MOSES Modeler. Model geometry can be imported from a variety of file formats, or powerful mesh modeling and automated curve and surface fitting tools can be used to quickly generate hydrodynamic and structural meshes in a single model for the analysis of new or existing platforms. The application enables you to explore design alternatives with advanced parametric modeling through macros in Microsoft Excel.
Aeroelastic Solver Integration
MOSES computes the hydrodynamic and hydrostatic loads on any floating wind turbine platform and exports this data in the widely accepted WAMIT file format. Aeroelastic wind turbine solvers, for example DNV’s Bladed, can apply this data to a turbine simulation, saving the resultant time series load information for later use. Advanced built-in MOSES macros read and apply these loads to the MOSES model during a time domain simulation, which computes sea pressures and inertial loads for detailed structural analysis.
Job Creator
The design and analysis of a floating offshore wind turbine platform requires the calculation of tens of thousands of simulations with varying wind, wave, and turbine loads. An inbuilt MOSES automation tool allows for the import of multiple load time series produced by the aeroelastic
solver in minutes, saving weeks of manual error-prone job creation. The MOSES Executive interface streamlines the management of all the input and result data files.
Siemens Femap Interface
The Femap interface allows you to model transition or component pieces and other complex geometries in Femap and import them into SACS and MOSES.
LAN Grid Computing
Bentley’s grid analysis service allows for the definition of a distributed network of virtual or physical computer nodes over a company’s local area network. Multiple MOSES floating wind turbine load simulations can be processed in parallel over the grid, saving months of computation time.
Post Processing API
Industry standard structural code checking and fatigue with built-in SACS components to post process all beam and plate stresses from a common solution file SQLite database (CSFDb). A comprehensive SDK /API is available to automatically extract and post process the structural results for fast solution optimization. Full interactive visualization of the structural results is available to quickly identify high-stressed areas.
OPENWINDPOWER CLOUD SERVICES
Quickly Analyze Scenarios
Achieve full design code compliance by considering all possible load scenarios in a fraction of the time it would take on your desktop. Using Scenario Services for OpenWindPower, hundreds of load cases can be executed in parallel on the cloud. You could see 10x or more time savings by leveraging the virtually unlimited computing power of the cloud.
Take The Mobile App On The Go
Creating, responding, and addressing RFIs and construction-related issues just got easier with Structural Navigator Mobile App. Your design models and data are available when and how you need them, on your phone or tablet and on all major platforms. Direct integration with ProjectWise Projects enables easy access to your managed project content and issues. Use Structural Navigator to easily view, edit, interrogate, and mark up your 3D designs. Stay connected wherever you go.
Design Beyond The Desktop
Analyze large and computing-intensive models on the latest version of the cloud using high-end hardware without consuming your desktop’s bandwidth. Full sets of analysis and design outputs from your cloud analysis can be downloaded for detailed post-processing on the desktop.
“With OpenWindPower, the design team iterated designs to determine the best way to protect the tower foundations from ice damage. Their work resulted in anti-ice cones, which flare out where the tower meets the water. The design … protects the tower foundation by providing a much thicker surface area that deflects floating ice more effectively than a narrower surface.”
Fei JinBIM Manager, Shanghai Investigation, Design & Research Institute Co., Ltd.
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