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12 SIMULIA——真实世界的虚拟仿真平台
Shaowu Gao
July, 31st, 2015
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CATIA
Analysis
Abaqus
Is ight
SolidWorks
Simulation
Dymola
Geensoft
SFE
Fe-safe
Simpoe
Tosca
CAD Design
Simulation
FEA Multiphysics
Simulation
System
Simulation
Process
Integration &
Design
Optimization
Non-parametric
Optimization
Fatigue
Plastic
Molding
Conceptual
Engineering
Scalable
Realistic Simulation
For Product, Nature and Life
3DS Technologies | Building the Portfolio SIMPACK
Multi-Body
Dynamics
Uniting the
Virtual & Real
Worlds for All
Industries
Final
SolidWorks
CATIA
SIMULIA
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12 Abaqus
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Contact Extremely robust
Accurate
General contact capability
Extremely simple to setup
Courtesy of Alcan Mass
Transportation Systems, Zü rich
* Gholami, T., J. Lescheticky, and R. Paßmann, “Crashworthiness Simulation of Automobiles with Abaqus/Explicit,”
ABAQUS Users' Conference, Munich, 2003
Courtesy of BMW*
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Step1:Stress at 10000 RPM Step2:Mode shape at 9728 Hz
Natural frequency including preloading effects
Final results
Steps
Advance Analysis
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Progressive damage of fiber reinforced
composite
Delamination modeling
Crack propagation Pulling tool
Test Simulation
Damage &
Fracture
Advance Analysis
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Connectors define rigid or deformable mechanism (i.e Ridig body motions, etc)
Flap mechanism
Spotwelds w/ failure
Landing gear mechanism w/ deformable
parts
Connectors
Advance Analysis
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FSI
Multiphysics Analysis
Water can drop test
Butterfly valve
Heat Exchanger
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CEL
Multiphysics Analysis
CEL -Tire hydroplaning CEL- Paste squeeze
SPH- Water Splashing of a Figurehead SPH- Bullet impact on a plate
SPH
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Thermal Stress
Analysis
Multiphysics Analysis
Disk brake
Resistance spot welding
Coupled Thermal-Electrical-Stress Analysis
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Incompressible pressure-based flow solver
Both Transient & Steady State
Laminar and turbulent flow.
Material properties support
o Newtonian
o Non-Newtonian
o Temperature - dependent properties
Fully parallel and Scalable solver
CFD
Multiphysics Analysis
high voltage insulator
Free inflow Porous copper
Diffuser (85 %porosity)
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12 Isight
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Isight的四大类设计算法库
数学规划
Pointer智能优化器
优化算法，涵盖：
数值优化
全局优化
多目标优化
能处理混合变量问题
组合优化策略
回归建模
1到4阶的响应面模型
Kringing模型
RBF 径向基神经网络
试验设计
单/全因子组合法
中心复合法
正交数组试验
拉丁方试验
优化拉丁方试验
参数试验
用户自定义表 X2
X1
质量设计
蒙特卡罗抽样
田口稳健设计
可靠性优化
6-Sigma稳健可靠性分析/优化
constrain
t Y1
综合设计方案
随机性设计方法
确定性设计方法
综合运用多种方法，改进性能、控制质量
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Performing and Managing Simulation-Driven Design
使用Isight和Abaqus完成机翼翼尖设计的实际目标
翼尖设计的传统目标
重量轻
满足荷载工况的性能要求
考虑机翼的其他部分易于装配(考虑制造工艺)
可靠，不会失效(考虑操作，维修成本)
在所有成千的最终成品中鲁棒一致的性能表现(考虑到客户和乘客)
易于建造=易于制造，无需特殊的材料要求或过程(考虑到公司成本)
优化的真实目标是设计能够高性能，低成本，同时足够可靠和稳健
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飞机机翼翼尖复材优化
Objective:
Min. Tsai-Wu Failure Index (TSAIW)
Min. Number of Plys* (=> Min. Cost & Weight)
Constraint:
TSAIW < 1.0
Design Variables:
Number of Plys*: [2, 3, 4, 5]
Ply Angles: [-90, -45, -30, -15, 0, 15, 30, 45, 90] degs.
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Graph Points Directly Linked to the Abaqus/Viewer
TSAIW TotalPlies Ply Angles (deg) Stress (ksi) Cost Weight
Baseline 1.3 2 0, 30 44 Low Low
OPT1 0.8 3 15, 15, 90 52 Low Low
OPT2 0.4 4 0, 15, 0, 90 28 Medium Medium
OPT3 0.3 5 90, 90, 15, 15, 90 19 High High
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优化结果: 那个设计才是最优的？
Baseline [0, 30]
Tsai-Wu index > 1.0
Composite will FAIL
3 ply design [15, 15, 90]
Tsai-Wu index = 0.8
Composite will PASS
4 ply design [0, 15, 0, 90]
Tsai-Wu index = 0.4
Composite will PASS
5 ply design [90, 90, 15, 15, 90]
Tsai-Wu index = 0.3
Composite will PASS
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Run Monte Carlo Simulation on 3 Ply Design
Variation in Ply Angles (+/- 10%)
Variation in Material Properties (+/- 10%)
Variation in Ply Thickness (+/- 10%)
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Monte Carlo Simulation Results for 3 Ply Design
13% Probability that some designs will fail => Unreliable Design
Mean 0.83
Standard Deviation 0.15
Minimum 0.58
Maximum 1.20
Probability less than upper limit 1.0 0.87
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Monte Carlo Simulation Results for 4 Ply Design
0% Probability that some designs will fail => Reliable Design
Mean 0.45
Standard Deviation 0.09
Minimum 0.34
Maximum 0.72
Probability less than upper limit 1.0 1.0
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4 Ply Design is More Reliable and More Robust
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
0 10 20 30 40 50 60 70 80 90 100
Pre
ssu
reL
oad
__T
SA
IW_
_m
ax
Tsai-Wu Scatter Plot
3 P
ly D
esig
n
4 P
ly D
esig
n
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12 Tosca
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SIMULIA Tosca Structure
SIMULIA Tosca Structure Modules
Tosca Structure.topology Tosca Structure.shape Tosca Structure.bead
Leading technology for rapid and reliable design of lightweight, rigid and durable components and systems
Modular software system for non-parametric structural optimization
Enabling topology, shape and bead optimization in combination with standard finite element solvers
Relatively simple setup as no model parameterization is necessary and existing FEA analyses input files can directly be used for
optimization
Support of all industry standard finite element solvers (ABAQUS, ANSYS, MSC NASTRAN)
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SIMULIA Tosca Fluid
SIMULIA Tosca Fluid Modules
Tosca Fluid
Leading and unique optimization modular software system for non-parametric fluid flow optimization
Given design space and a defined flow task
Enables topology optimization with industry-standard computational fluid dynamics solvers (“CFD”)
First (and only) commercial topology optimization tool on the market for existing CFD (Fluent, STAR-CCM+)
Innovative design ideas based on a defined flow task and available design space, no initial design is necessary
Powerful graphical user interface for easy post processing and geometry generation of optimized design proposals
Design Space Optimized Design Final Result
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Topology optimization of a transverse link at AUDI
Existing design
Design
space model
Topology optimization
Cutting splines
Redesign
Courtesy of
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卖点
非线性
系统优化
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A Case Study in Nonlinear Topology OptimizationA case study for nonlinear geometric effects in topology optimization
Nonlinear geometric effect is a matter!
What happened here?• As material is removed from the design domain, the
loading in the center region changes from shear dominated to bending dominated.
• The linear geometry model does not sense this change, causing it to evolve into a compression member.
Topology Design Task:Maximize structural stiffness while using only 30% of the original mass.
Prescribed displacement
Cla
mp
ed e
nd
Sym
met
ry
OptiStruct Genesis Tosca
Linear material & geometry Linear material & geometry NonLinear material & geometry
Iso-Surface Plot with 30% of Original Mass
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卖点
非线性
系统优化
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起落架扭矩铰链 优化设置
目标：最小化应变能
约束：体积减至20%
区域：
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起落架扭矩铰链
NON-LINEAR LINEAR
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起落架扭矩铰链
NON-LINEAR LINEAR
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12 Fe-safe
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< only low level fatigue loading >
< High level + low level fatigue loading >
-600
600
Over load Fatigue load
< only high level fatigue loading >
1,960
-600
Over load
Fatigue load 1,960
-600
Over load Fatigue load
We need intelligent fatigue software
• Crack initiation site may depend on the loading sequence
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You can trust fe-safe® because you can trust the
experts in fatigue
Fatigue of Welded Joints
(Seam welds, spot welds)
Fatigue of Composite Materials
(Uni-directional & woven fibres)
Thermo-Mechanical Fatigue
Creep Fatigue
Fatigue of Elastomers
In-situ Load Measurement
(Turns components into load cells)
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Bringing a plastic product to market
Simulation For Design and
Manufacturing
• Simulation for Design
• Simulation for Mold making
• Simulation for Molding
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SIMULIA Simpoe-Mold Offers Simulate the manufacturing process of plastic injected parts
Main features
SIMULIA Simpoe-Mold ENG
Target users: Part designers or Mfg. engineers
responsible for the molding process
Easy to use Ergonomic user interface
Solutions adapted to targeted users
Machine database (Exclusivity from Simpoe)
Strengths Main competitors
Main Characteristics
Benefits: Predict mold filling & knit lines, Gate location, Runner design, Refine
process conditions, & cycle time, Identify sink mark locations
Key functions: Fill, Pack,
Integrated CATIA V5 geometry interface
SIMULIA Simpoe-Mold TOOL
Target users: Mold-makers and Tooling engineers
Additional Benefits: Reduce or eliminate tooling iterations to achieve the
finished shape. Helps manufacturers optimize production processes
and minimize manufacturing costs.
Key functions: Fill, Pack, Warp, Cool
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Train
Robotics
Gear
Control
CAT(S/W) Wind turbine
Power Train
Automotive
NVH
Compressor
Tracked Vehicle
Aerospace
Aerocraft
Biology Bionics Off highway
Real time
Application Aera
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- Involute spur and helical gears
- Profile Shift Factor
- Addendum and dedendum modification
- Internal and external gears
- Backlash and friction
- Single and multiple tooth contact
- Dynamic separation distance gear wheels
SIMPACK Gearwheel:
SIMPACK Modules
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SIMPACK Engine:
Crank Train
曲轴连杆机构
Timing Mechanisms Accessory Drive
正时机构
Valve Train 配气机构 >> Complete System Behaviour !
SIMPACK Modules
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SIMPACK Automotive+: 车辆数据库、传动系、悬架、轮胎、转向系等。
SIMPACK Modules
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SIMPACK Wind 风机、叶片生成、风场模块、风载、齿轮、相关力元等。
SIMPACK Modules
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- Models for the Wheel/Rail-Contact
- Substrctures for Vehicle Models (Bogies, Vehicles, Suspensions, ...)
建模特色：
车辆子结构模型（轮对、构架、车体、悬挂、空
气弹簧等）；
建模工具，如专用的铰接、力元等；
轮轨接触建模有专门的模块，建模迅速快捷准确
线路、激励、道岔模型；
时域（非线性临界速度、直线通过平稳性和曲线
通过稳定性）和频域（线性临界速度）分析；
便捷的结果输出。
- Tools to define Calculations (Time Domain, Frequency Domain) - Models for Tracks, Excitations, Switches
Overview
SIMPACK Wheel/Rail
- Tools to output result
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12 3DExperience
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New & Improved… Without Sacrifice
The simulation power of Abaqus remains strong
New and easier ways to bring leading functionality to users
Easily share results broadly, and with non-expert audiences
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High Performance Visualization
Provides versatile and high-performance
postprocessing and visualization technologies
to deliver a unique 3DEXPERIENCE
From engineering visualization to life-like realistic
rendering
Leverages local and remote parallel processing
Simulation accessible by any user, on any
platform, on any environment
From rich authoring to lightweight collaboration &
navigation applications
For analysis experts to decision makers
Fuselage model (80 GB, 250 MDOF)
External flow CFD results with model rendering
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12 Catia CAE
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Design Analysis in CATIA V5: Portfolio
R20 onwards
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12 ATH 和ANL
扩展了GPS 和 GAS的求解功能
包含了非线性效应 材料特征
热分析研究
高级接触
内部使用的Abaqus 技术
(not Elfini technology)
新模块: 热和非线性分析
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12 SLM
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四大功能 决策支持
-
结果(R)
流程管理
-
场景(S)
数据管理
-
模型(M)
协同
异地协同
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从BOM获取欲分析部件
通过工具集成启动相关仿真工具
设定CAE模型
前处理结果 Mat 信息
载荷信息
分析规范
…..
通过与TDM的结合实现仿真与实验对比
PDM/PLM系统 产品数据中心
高性能计算服务器
多方案对比及数据挖掘
结果后处理及生成报告
SLM 系统
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