新版本ansys中更新的 Aqwa 与 Asas 产品 (英文讲义)

7/24/2019 ansys Aqwa Asas ( )

1/32

AQWA & ASASAQWA & ASAS ProductProductUpdatesUpdates for ANSYS 13.0for ANSYS 13.0AQWA & ASASAQWA & ASAS ProductProductUpdatesUpdates for ANSYS 13.0for ANSYS 13.0

2010 ANSYS, Inc. All rights reserved. 1 ANSYS, Inc. Proprietary



2/32

Contents

AQWA & ASAS Overview

Products and Applications Areas

Product Roadmap

Release 13.0 U date


Outlook


3/32

AQWA & ASAS Overview

- Main Application Areas

Offshore Structures Fixed

Steel Jackets Concrete

Compliant Jack-ups

Images courtesy of Arup, Moss Maritime AS, Technip Offshore Finland and REpower Systems AG


oat ng FPSOs SPARS Semi-Submersibles Tension Leg Platforms

Risers

Offshore Wind Turbines

Harbours Ships

Design

Offloading


4/32

Offshore Products

- How they fit with ANSYS portfolio

General Products: Design Modeler

ANSYS Mechanical


CFX/FLUENT

Vertical Applications:

AQWA

ASAS


5/32

Comprehensive Hydrodynamic capabilities

Diffraction/Radiation including Morison elements

Frequency Domain analysis

Stability including mooring lines

Offshore Products

- AQWA


me oma n w t rregu ar waves

Time domain with non-linear survival waves

Coupled Cable Dynamics

Multiple hydrodynamic interaction andarticulations (up to 50 structures)

Transfer of motions and Pressures to ASAS &

ANSYS FE models


6/32

AQWA

- Typical Applications

Some example applications


Shielding

Vessel Loading Transfer fromAQWA to MechanicalCourtesy of Vuyk Engineering Rotterdam

FPSO & TLP Concept Offloading Operation Courtesy of SBMJacket Launch Courtesy of Gusto MSC

Development and Validationof Octabuoy Concept

Courtesy of Moss Maritime AS


7/32

Offshore Products

- ASAS FE based offshore structural analysis suite

Mainly used in global design analysis

Unique post-analysis assessment tools specific tooffshore requirements

Some key features


Coupled wave-structure interaction with regular/irregularwaves

Coupled hydro-elastic analysis for tubular framed

structures Wave loading and added mass for jackets and similar

structures

Spectral and deterministic fatigue of jackets

Toolkit to facilitate user software integration


8/32

ASAS

- Typical Applications

Some example applications

Courtesy of Fraunhofer CWMT

Offshore Wind Turbines


Courtesy of REpower Systems AG

Jacket Structures

Transportation of Spar Truss on Heavy Lift VesselCourtesy of Technip Offshore Finland

Tidal Turbine Structure


9/32

Product Roadmap

- AQWA

Migration of AQWA to Workbench

AQWA unique in ANSYS

Provides parameterization and interfacing/couplingwith other tools/products (geometry, meshing, solvers)



10/32

Product Roadmap

- ASAS

Transfer of ASAS unique solver technology to ANSYSStructural Mechanics products

Never any long term scope for developing/supportingmultiple FE products

Recognition of ASAS key features


Creation of a Design Assessment system to handlepost-processing of analysis results

For offshore, this covers load case combinations andcode checking

Additional Products

Separate Code Checking and Fatigue Products


11/32

Offshore Products at R13

- Feature Summary AQWA

AQWA in Workbench

AQWA Core Developments

ASAS to Mechanical


Wave theories

Soil-Pile-Structure Interaction

Design Assessment New Design Assessment system in

Mechanical

Additional code checking products


12/32

AQWA in Workbench

- Hydrodynamic Diffraction System



13/32

AQWA in Workbench

- Hydrodynamic Diffraction System

Initial implementation at 12.1Extended to cover most of AQWA

Diffraction product AQWA LINE now fully reproduced

in the HD system (including recent


mooring line representation)

New QTF and SF/BM Graphs

AQWA WAVE capabilities to

transfer pressures etc toMechanical not implemented inWB but the capability does exist

and is documented


14/32

AQWA in Workbench

- Hydrodynamic Time Response System

New Hydrodynamic Time Response AnalysisSystem

Time history analysis of bodies, subject to

environmental forces including mooring lines



15/32

AQWA in Workbench- Hydrodynamic Time Response System

Input for the followingcompleted: Cable connections for rigid body

motion, wave and mooring lineanalysis under various oceanenvironments

Ocean Environment Definition


or n , ave an urren

Additional Structure Force TimeHistory

Cable Winching and Failures Input of catenary mooring lines

Realistic viewing of mooringlines

Graphing of various results Displacement, velocity,

acceleration


16/32

AQWA in Workbench- Hydrodynamic Time Response System



17/32


Cable Dynamics

Bending stiffness allows modeling of rigid and flexible

risers (previously only rigid risers could be modeled usingtethers)

Non-linear axial stiffness to enable more rigorous


modeling of synthetic moorings. Uses polynomialdefinition of tension v extension.


18/32


User-defined stiffness matrix connecting separateships

This enables mooring system to be included indiffraction/radiation analysis

R n tr v il bl f r n ifi d iti n


on ship (previously limited to CoG) Response spectra available for intermediate

positions (connection points) along mooring lines

ISO wind spectrum definition added for dynamicmotions analysis


19/32


AQWA Graphical

Supervisor (AGS) now ableto present/animate cabledynamics results from


along mooring lines

Based on analysis results

or separately defined

boundary conditions


20/32

ASAS to Mechanical- Beams and Wave Theories

Beam Post-Processingenhancements

Shear Force and Bending

Moment diagrams

-


Wave Theories Irregular waves

Shell New Wave

Constrained Wave


21/32

ASAS to Mechanical- Soil-Pile-Structure Interaction

Soil/Pile Interaction Solver (SPLINTER) enhanced towork with Mechanical (via command snippets &

Matrix27 elements) PILEGEN and PILECALC macros included with the

ASAS installation (capability only available via ASAS



22/32

Design Assessment- New System in Workbench

Design Assessment System

Available with Professional NLS and above

Post-analysis assessments of FEA results

Load Case Combinations


Static Structural Flexible Dynamics (at a specific time)


23/32

Design Assessment- Customization

Design Assessment System

Advanced post-processing of FEA results

Targeted at user wanting to do design code

assessment based on FEA models and results


supplied code checking tools

Enables the customer to define additional data

that is associated with their model and then

perform custom post processing

Custom definition of input data

Custom result definitions

Custom Solve & Post scripts (Python based)


24/32

Design Assessment- Assessment Types

ANSYS or User Defined

ANSYS Supplied Tools

FATJACK Beam joint fatigue of

framed structures


BEAMCHECK Member checks on

frame structures

Solution Combination only

User Defined

User can build/integrate ownload case combination andcode checking tool


25/32


26/32

Design Assessment- Solution Definition

Design Assessment, Solution

Option A: Perform load case combination

Option B:


External script to perform loadcase combinations

Carry out additional post-process of results

i.e. Do a code check

Model, FEA results and attributeinformation read from Design

Assessment


27/32

Design Assessment- Post-Processing

Design Assessment, Results

Option A: Display standard results from a

load case combination


:

Pass results from external post-processing scripts back to

display in Design Assessment


28/32

Design Assessment- Additional Code Checking Products

ANSYS FATJACK

Beam joint fatigue assessment New separate product

also remains art of ASAS FATJACK


Offshore)

Python scripts provided

ANSYS BEAMCHECK

Was available initially at 12.0

Python scripts provided

Joint UnitaryCheck for

BEAMCHECK

Fatigue Result


29/32

Outlook

Hydrodynamics

Complete integration of AQWA in Workbench

Extended core capabilities as well as coupling withother ANSYS and 3rd party tools


Modeling and analysis with ANSYS StructuralMechanics products suited to both global structure and

detailed (equipment/component) analyses

Coupling with other ANSYS and 3

rd

party tools Design Assessment enabling further application of

ANSYS developed code checking tools and usercustom capabilities (not limited to Offshore)


30/32

ANSYS Mechanical Solutions- Modeling

CAD interfacing and modeling tools

ANSYS DesignModeler

ANSYS SpaceClaim Direct Modeler Extensive meshing capabilities

CAD Import toDesignModeler


MeshingExamples

SpaceClaim


31/32

ANSYS Mechanical Solutions- Structural Mechanics

Extensive Library of Material Models

Comprehensive Element Technology

Solids, Shells, Beams, Special (e.g.

Pipe, Elbow, Gasket, User Elements)

Library of joints

Advanced Numerical Methods for Linear

Jacket Joint Stress Analysis

Rotor Dynamics


and Nonlinear Problems Powerful Solver Capabilities

Direct, Iterative and Distributed Memory

What If? studies

Advanced Post-Processing includingReporting

Solver Customizing and Scripting (APDL)

HPC (parallel) Rigid/FlexibleBody AnalysisCourtesy DEI

Riser Analysis


32/32

Wider ANSYS Capabilities- Offshore Wind Turbine

Complex system

F ll Inn v i n


Supporting StructureDesign

Site SelectionGenerator and

Shaft DesignElectricMachine

TransformerSpeedSensor

ElectromechanicalComponents

BladeDesign

Tower Designand FSI

Wind FarmConfiguration

Rotor Sizingand

Acoustics

PowerElectronics

Dynamic Operating

Conditions

High Cost of Failure

Images are courtesy of REpower Systems AG

Documents

新版本ansys中更新的 Aqwa 与 Asas 产品 (英文讲义)