bentley offshoreoverview 2013
TRANSCRIPT
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SACS Offshore Analysis & Design SoftwareJuly 2013
Phil Christensen
Vice PresidentOffshore & [email protected]
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SACS Overview
Whats New In SACS
SACS In Detail
Jacket & Topsides DesignJacket & Topsides Installation
Wind Turbine Structures
Offshore Vessels
Construction
SACS Products
Future Developments
SACS Offshore Analysis & Design
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SACS Overview
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Some Bentley Offshore Users:
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Offshore StructuresSACS has applications for all types of offshore structures:
Topsides & Jacket
Fixed Platform
Compliant Tower
Topsides Only
TLPs
Semi-submersibles
Spars
FPSOs
Vessels
FPSOs
Barge transportation
Heavy Lift Ships
Drill Ships
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Fixed Platforms(Jackets)
Topsides ofFixed & Floating
Platforms
Wind TurbineSupport Structures
Offshore VesselCargos & Topsides
SACSPrincipal Applications
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Design Construction Installation Decommissioning
Applications for all project phases
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Whats New in SACS (v5.5 & v5.6)
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Whats New in SACS v5.6 (Sep 2013)SACS V8i SELECT Series 3 (v.5.6)
Marine : Hull Meshing
Precede : Meshing Non Tubular Joints
Precede : Ring Stiffener Meshing
Precede : Automatic Topsides Deck Meshing
Post- Processing : European EC3:2005 design code enhancements
Post- Processing : NORSOK 2013 Code updates
Precede/Postvue : Consolidation of viewers
SACS Executive : Wind Turbine Strength Analysis Results Filtering
SACS Executive : ProjectWise Integration
Wave Response / Dynamic Response : API/FROY Wind Spectrum for Fatigue and Extreme Wind Analysis
PSI/Collapse/Pile3D : Soil Liquefaction Effects
SACS Reports : New Interactive Reporting Functionality
Trust Licensing
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Hull Mesher
Objective is to provide improved modeling of stiffened platestructures (complement to Precede)
Ability to model barges, parts of FPSO, decks etc.
Based on acquired FormSys Multiframe technology
Will become another SACS interactive application Part of SACS Marine Enterprise
End goal is to integrate into Precede
Side benefits New re-usable class based on new Datagen code for reading and writing
SACS models
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Hull MesherKey Functions
Sketching and interactive meshing of arbitrary plate panels
Associativity between panels and stiffeners
Automatic generation of attached stiffeners, plates and face
plates
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Hull Mesher Examples
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Automatic Joint Meshing
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NonTubular Joint Meshing
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Tubular Member Meshing
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PrecedeRing Stiffened Tubes
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Precede - Automatic topsides deck meshingAutomatically mesh selected plate and surrounding members
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Post Processing
EUROCODE 3
European EC3: 2005 design code update
EC3 National Annexes: UK, Norwegian, Malaysian,Singapore, German
Sections Available: Wide Flange, Plate Girder, BoxSection, Rectangular Tube, Double Web Plate Girder,Boxed Plate Girder, Unsymmetrical Plate Girder
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Member Code Checks
NORSOK 2013 UPDATE
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Precede/Postvue : Consolidation of viewers
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Precede/Postvue : Consolidation of viewers
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Wind Turbine Analysis
Control File
sacs.in
PSI Input File
SACS Multi
Core
Analysis
Strength
Results
Automated SACS Uncoupled Wind Turbine Process Strength Analysis
Partial Seastate Input File
Joint Can Input File
DB
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Wind Turbine Analysis
Control File
sacs.in
Joint Can Input File
SACS Multi
Core
Analysis
Strength
Results
SACS-GH Bladed Interface - Strength
POST Input File
GH Bladed Results
DB
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Wind Turbine AnalysisAutomated SACS Uncoupled Wind Turbine Process - Strength
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Wave Response / Dynamic ResponseAPI / FROY Spectrum
Spectral Wind Fatigue
Generalized Force Spectrum : API/FROY
Wind Speed Distribution : Weibull Distribution
Extreme Wind Analysis
Generalized Force Spectrum : API/FROY
Creates results containing the DAF
Combine results with static analysis for code
checking
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PSI/Collapse/Pile3D : Soil LiquefactionEffects
AverageBrandenberg [3]
Factor soil strata if factor of safety is less than one
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SACS Reports
Postvue
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SACS Reports
SQLite Database to store all results from Solve & Post- Results stored from all analysis types (inplace, leadoutetc.)
Report Engine- Extracts data from the database and generates reports in the various formats
Report Designer-Allows the user to design reports/ use existing templates/design new templates (all inXML format) which can then be pulled into the main XML report or sent straight to thereport engine. For example, the user can have a templates for joint displacements,reactions, member internal loadsetc. These can then be included in the main XMLreport description or sent directly to the report generator.- Stand alone external application
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SACS Reports
Report Rendering Control
- Allows the user to view reports in various applications such as the SACS Executive,Postvue, Precedein word/pdfformat. Reports will be constant over all applications
Results from database can be accessed by Postvue forgraphical presentation
- users can graphically access results from all stored analysis types.
Results from large analysis (e.g. wind turbine analysis)- since results are not stored in memory, handling and filtering large datasets will notbe an issue..
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SACS Reports Incremental Release of Features
Release 5.6Postvue
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SACS - ProjectWise Integration
Model File to be Exposed in Precede and Datagen
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SACS Licensing
Pooled and Trust Licensingsame as all other non-structural Bentley Products.
- Provide ability to maximize license utilization andminimize the burden of administration
- with trust licensing, disconnected users will only needto connect to the Bentley server once every 30 days
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Whats New in SACS v5.5 (Dec 2012)SACS V8i SELECT Series 2 (v.05.05.00.05)
Marine : Hull modeling
Marine : Stability Analysis
Marine : Motion Prediction
Interoperability : Compatible with ISM 3.0
Post- Processing : European EC3:2005 design code enhancements
Post- Processing : EC3 National Annex - GermanPost- Processing : Canadian Design Code CSA S16:2009/AISC mixed code post processing
Post- Processing : AISC LRFD/CSA S16/EC 3user defined plastic modulus
SACS Executive : Integration of FAST interface into SACS Executive
SACS Executive : Fully automated SACS uncoupled wind turbine analysis
SACS Executive : Default license setup dialog box.SACS Executive : Multi-Core feature now available with Offshore Structure Enterprise
SEASTATE : DNV Wake Encounter Method
Precede : Ribbon Bars added for a newer look and feel
Precede : Tubular Joint Meshing
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New capabilities Hull modeling Motions prediction
Import of SACS model as cargo or topsides
Integration with TOW for inertial loads
Intact and damage stability analysis Longitudinal strength analysis
Suitable for Installation barges
FPSOs Drillships
Heavy lift vessels
OSV cargo calcs
Marine:
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SACS links with ProSteel for steel detailing of topsides Uses Bentleys ISM (Integrated Structural Modeling)
Also allows model to be reviewed in free Structural Synchonizerviewer
Free iPad model viewer is alsoavailable on iTunes
www.bentley.com/iware
Interoperability ISM v3.0
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EUROCODE 3 & Mixed code checking
European EC3: 2005 design code update
EC3 National Annexes: UK, Norwegian, Malaysian,Singapore, German
Sections Available: Wide Flange, Plate Girder, BoxSection, Rectangular Tube, Double Web Plate Girder,Boxed Plate Girder
Post Processing
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Executive
Precede
New Ribbon Interface
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SACS In Detail
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Jacket & Topsides Design
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Static Analysis with PSI
Code Check Design
Fatigue Analysis
Earthquake Analysis
Safety Case Design
In-Place Analysis
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AirysLinear
Cnoidal
Solitary WaveStokes 5th Order
Stream Function
Module Offshore Structure Enterprise
Wave Load Theories
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Module Offshore Structure Advanced
Wind Load Design for Topsides
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Earthquake Analysis
Spectral Loading API response spectra built in
User defined spectra
Modal combination SRSS or CQC
Generate Equivalent Static Loads
Time History Loading
Variable Time step Integration Nonlinear fluid damping
Linear, quadratic or cubic interpolation between
time history input values
Module Fatigue Enterprise
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Fatigue Analysis Spectral
o Pierson Moiskowitz
o Ochi-Hubbleo JONSWAP
o User Defined
Time History
Deterministic
S-N : API, HSE, AWS, NORSOK, ISO,
USER DEFINED
SCF: Efthymiou, Kwang and Wordsworth,
Smedly and Fisher, Marshal, DNV
Module Fatigue Enterprise
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Interactive Fatigue Analysis
Change fatigue parameters on-the-fly (SCF, S-N)
Generate Reports and Plots Interactively
Auto redesign
Module Interactive Fatigue
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Spectral Wind Fatigue/Extreme Wind Analysis
Spectral Wind Fatigue
Generalized Force Spectrum : Harris Spectrum
Wind Speed Distribution : Weibull Distribution
Extreme Wind Analysis
Generalized Force Spectrum : Harris Spectrum
Combine results with static analysis for code
checking
Module Fatigue Enterprise
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Member Code Checks
Module - POST:
EC/3
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Detailed Joint Design
Module - JOINT CAN:
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Joint Modeling
3D Mesh of tubular joint in seconds
Automatically identify chord and bracemembers
Seamless integration into SACS model
User controlled mesh density
Module Joint MESHER:
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Module - DYNAMIC RESPONSE / COLLAPSE:
Non-Linear Dynamic Ship Impact Analysis
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Ship Impact
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Non-Linear Dropped Object Analysis
DYNAMIC RESPONSE / COLLAPSE:
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- Minimize risk to personnel, facilities and environment fromaccidental explosions.
Non-Linear Dynamic Blast Analysis
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Jacket & Topsides Installation
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Fabrication
Bent Roll Up - Jacket manufactured in
portions which are then rolled over usingslings and joined together.
Structure subject to sling forces
Module Offshore Structure
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Loadout Analysis
Analyze Jacket for loss of support
Static Analysis with Non-Linear Gap
Elements
Module Offshore Structure
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Tow Analysis
Static Analysis with Non Linear Gap Elements
Sea fastener Design (FEMGV)
Module Offshore Structure Enterprise
Transportation Analysis
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Design Structure for Lift Forces
Design Lift Pad Eyes (FEMGV)
Module Offshore Structure
FEM GV
Lift Analysis
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Jacket & Barge Motions
Hydrodynamic Forces
User defined drag areas
Module Offshore Structure Enterprise +
Marine
Launch Time History Analysis
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Stability and Upending Analysis
Dual Hook Capabilities
Buoyancy Tanks, Valves, User Defined Buoyancy
Module Offshore Structure Enterprise +
Marine (Enterprise) + FEM GV
Flotation and Upending Analysis
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Module Offshore Structure Enterprise
Deck InstallationLift Analysis
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SACS Wind Turbine
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Offshore Wind Turbine Foundation Concepts
Monopile 0
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SACS - Life Cycle Applications for Analysisand Design of Wind Turbine Platforms
FABRICATION
INSTALLATION
INPLACE
CONDITION
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Offshore Wind Turbines
Turbine
Tower
Substructure/Jacket
Foundation
Typical offshore wind turbine consists of a turbine
and tower which are attached to a partially
submerged substructure (jacket).
The substructure is fastened to the ocean floor
using foundation piles.
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Wind Turbine Size
VESTAS V164 7.0MW : 164 m diameter, 80 meter blade length tip height =187m , hub height = 105m
2011-2015
H 187m
VestasV164 7000 kW 164m
Wi d T bi F ti A l i
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Dynamic
Response of
Structure
Loading on Structure
Wind Turbine Fatigue Analysis
Wind Spectrum
Von KarmanHarris
Kaimal
User Defined
Pierson-Moskowitz
JONSWAP
Ochi-Hubble
User defined
Wave Spectrum
Wind Turbine Fatigue Analysis
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Wind Turbine Fatigue Analysis
Aerodynamic and Mechanical Turbine Forces
Aero Elastic Programs
GH Bladed
Garrad Hassan, UK
SACS Version 5.4
FAST
National Renewable Energy Laboratory (NREL), USA
www.nrel.gov
SACS Version 5.5
Flex 5
Stig ye at Department of Fluid Mechanics at The Technical University of
Denmark.
Fatigue Analysis
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Fatigue Analysis
SCF: Efthymiou, Kwang and
Wordsworth, Smedley and
Fischer, Marshal, DNV
FATIGUE:S-N : API, HSE, AWS, NORSOK, ISO, USER DEFINED
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Typical Simulation:
For each wave in scatter diagram, use six tenminute random seastate profiles
Analyze structure every 0.05 seconds
Total number of load cases to analyze perwave = 6 x 600 /0.05 = 72000
Wind Turbine Fatigue Analysis
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Analysis 1
(Wave Response)
Core 1
Analysis 2
(Wave response)
Core 2
Analysis N
(Wave response)
Core N
SACS Multi-Core Analysis
Hundreds of time history load cases, SACS Executiveruns each case on a different core
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0
20
40
60
80
100
120
140
1 2 4 8*
Totaltimetoru
n8wavereponse
analyses(min)
Number of Cores(* hyper-threaded)
Totals (8 runs)
1 core = 128 min
2 cores = 84 min4 cores = 68 min
8 cores = 61 min
Improvement
2 cores = 34%
4 cores = 46%
8 cores = 52%
ComputerWindows 7 64bit
Intel I7 1.73GHz
8 GB RAM
Multi-core Performance
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Wind Turbine Project
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Wind Turbine Project
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Wind Turbine Project
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Offshore Vessels
SACS Off h V l C bili i
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New capability following Formsys acquisition in Nov2011
Introduced Q4 2012 in v5.5
Analysis of topsides structure FPSOs, drill ships
Installation/Motions studies Barges, heavy lift ships, OSVs
Stability Studies
Intact, damage, strengthfor any vessel
SACS Offshore Vessel Capabilities
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SACS H ll M d l
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Modeling of any offshore vessel FPSO, drill ship, barge, heavy lift, OSV
NURB surface modeling compatible with Microstationand Rhino
Many import options for existing designs
Existing SACS barge library
SACS Hull Modeler
SACS H ll M d l
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SACS Hull Modeler
SACS St bilit
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Intact and damaged stability of any type of vessel Integrated compartmentation and weight editors
Ideal for FPSOs, drill ships and barges
Comprehensive support for stability criteria
SACS Stability
SACS St bilit
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Intact and damage stability of any vessel
SACS Stability
SACS M ti
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Prediction of vessel motions (RAOs) Strip Theory or Panel Methods
Suitable for FPSOs, drill ships, barges, OSVs
Saves SACS Tow file for inertial load analysis
SACS Motions
SACS M ti
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SACS Motions
Motions prediction of vesselsRAOs and accelerations
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Detailing & Construction
D t ili d C t ti
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SACS links with ProSteel for steel detailingof topsides
Uses Bentleys ISM (Integrated StructuralModeling)
Also allows model viewing on iPad and in freeStructural Synchonizer viewer.
Bentley ConstructSim can be used for timebased construction simulation
Detailing and Construction
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SACS Products
Common SACS Analysis Scenarios
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Common SACS Analysis Scenarios
SACS Suites Contents
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SACS Suites ContentsSEASTATE TOW PILE GAP COMBINE
JointCan
LDFSACS IVSolver
SuperElement
Concrete MTOTop-SidesLoading
Offshore Structure X
X
X
X
X
X
X
X
Offshore Structure
AdvancedX X X X X X X X X
Offshore Structure
EnterpriseX X X X X X X X X X X X
PSI Collapse DYNPACDynamic
ResponseWave
ResponseFatigue Pro
Pile Structure Design X
Collapse X
Fatigue X
Fatigue Advanced -Dynamic
ResponseX X
Fatigue Advanced -Wave
ResponseX X X
Fatigue Enterprise X X X X
Launch Flotation MotionHull
ModelerStability Motions
Marine X X
Marine Advanced X X X
Marine Enterprise(new Q4 2012)
X X X X X
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Future Developments
Future Developments
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During 2014 Further integration of PostVue with Precede
New Collapse solver
Enhanced design code supportAdditional EC3 sections, Plate panel buckling, AISC 2010
Extend our marine capabilities adding mooring, time domain
motions and more tightly coupled motions and structuralanalysis
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Thank you -Phil Ch i t