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个 人 简 介
本 人 简 介
Goals
iSIGHT Overview
Engineous is about 2 things
What is iSIGHT
Engineous Product Development Timeline
Engineous Software
Engineous Adds New Offices
Engineous Customers
World Class Software
World Class Services
Proven Results
Engineous Customers
Successful Deployment at 180+ Companies
Successful Deployment at 180+ Companies
iSIGHT Technology Today
Technology Deployment
Customers and Applications by Industry
Premier Automotive Supplier
Vehicle Safety Optimization / Robustness
Vehicle Safety Optimization / Robustness
iSIGHT Applications in Auto Industry
iSIGHT Auto Application Highlights (I)
iSIGHT Auto Application Highlights (II)
iSIGHT Auto Application Highlights (III)
General Electric GE90 Turbofan
Launch System Cost Reduction
Launch System Cost Reduction
Halogen-IR Optical Lamp Design
Halogen-IR Optical Lamp Design
Aerospike Nozzle Design Summary
Aerospike Nozzle Baseline Application
Cardiac Pacemaker Design
Cardiac Pacemaker Design
Application Summary
iSIGHT Automates Repetitive Tasks and ...
iSIGHT Design Exploration Process
The Benefits of Automation & Integration
Exploration Engines
Design Improvement Process & iSIGHT GUI Layout
Design/Quality Interdigitation
What is iSIGHT (Summary)
iSIGHT Technologies
iSIGHT Technology Implementation
实验设计 (DOE)
DOE – 术语
DOE 术语
DOE – 设计矩阵的生成
DOE -设计矩阵的生成
DOE 方法
DOE 后处理: 结果分析
DOE方法 – 数据文件
DOE 方法 – 正交矩阵设计
DOE 方法 – 拉丁方设计
DOE 计划 – 任务计划
DOE 计划 – 因素
DOE 计划 – 交互作用
DOE 计划 – 设计矩阵
DOE 计划 – 后处理
DOE 计划 – 后处理
DOE 计划– 选项
DOE 图表
Pareto图
Pareto图
主要影响
主要影响图
交互作用
交互作用
没有交互作用
方差分析
例子:手套式操作箱设计
手套式操作箱设计
手套式操作箱设计
闭合力概念模型
保持力概念模型
设计方法 - DOE
定义参数
设计方法
各参数
正交矩阵: L8
正交矩阵: L8
正交矩阵: L8
OA_DOE (L8)的结果
正交矩阵: L16
OA_DOE (L16)的结果
拉丁方 DOE (10 水平)
拉丁方 DOE (10 水平)
拉丁方 DOE (10水平)
LHS-DOE (10水平)的结果
DOE 结果的比较
范例概要
DOE 的优点
如何决定是线性模型还是二次模型
悬臂梁 - OA (L64 - 2 Levels)
悬臂梁 - OA (L128 - 2 Levels)
悬臂梁 - LH (100 - Levels)
选择一种 DOE 方法
使用鲁棒工程的刹车和巡航系统集成
使用鲁棒工程的刹车和巡航系统集成
使用鲁棒工程的刹车和巡航系统集成
刹车和巡航系统集成
刹车和巡航系统集成
综合构造
刹车和巡航系统敏感性研究
新的设计方案
功能的需求扩展
刹车和巡航系统集成
iSIGHT7.0 中的新特征
自定义 DOE的 快速结合
自定义 DOE – GUI的 修改
DOE 后处理的柔性
为 DOE 使用数据文件
Optimization
Optimization - Terminology
Optimization – Design Space Example
Classes of Optimization Algorithms in iSIGHT
Hooke-Jeeves Pattern Search Method
Exterior Penalty (ADS)
Exterior Penalty (ADS)
The Kuhn-Tucker Conditions
The Iterative Optimization Procedure
Modified Method of Feasible Directions - MMFD (ADS)
Modified Method of Feasible Directions - MMFD (ADS)
Sequential Linear Programming - SLP (ADS)
Sequential Quadratic Programming - SQP
Sequential Quadratic Programming - SQP
Generalized Reduced Gradient – LSGRG2
Generalized Reduced Gradient – LSGRG2
Relative Advantages & Disadvantages
Cantilevered Beam
Cantilevered Beam
Cantilevered Beam – Iteration History (Ref1)
Mixed Integer Optimization - MOST
Mixed Integer Optimization - MOST
Mixed Integer Optimization - MOST
Global Optimization
Global Optimization
Adaptive Simulated Annealing
Simulated Annealing Technique
Adaptive Simulated Annealing
Adaptive Simulated Annealing Convergence History
Updated Simulated Annealing
Genetic Algorithm
Multi-Island Genetic Algorithm
Standard Optimization Drawbacks
Interdigitation – or Mix ‘n Match
The Benefits of Interdigitation
iSIGHT’s Optimization Advisor
Summary
iSIGHT Optimization Technique Classifications
Task Manager
Task Plan Tab
Optimization Advisor
Priority Ranked Plan
Optimization Plan - Steps
Optimization Plan – Step Details
Optimization Plan – Step Details
Optimization Plan - Approximations
Optimization Plan – Plan Details
Optimization Plan – Task Plan
Checklist before Execute an Optimization
Example: Glove Box Design for Comfort
Optimization Process Flow
DOE followed by Optimization
Interdigitation
Results of DOE & Optimization
Results Comparison
Summary - Optimization
Cantilevered Beam
Cantilevered Beam
Cantilevered Beam - iSIGHT Results
Cantilevered Beam - Conclusions
R. Hesse Problem
R. Hesse Problem Results
Advantages of Numerical Optimization
Limitation of Numerical Optimization
User Controlled Optimization Termination Criteria
Performance Optimization of I-4 Gasoline Engine with Variable Valve Timing Using WAVE/iSIGHT
Background
Background
Manifold Geometry
2.4L Engine WAVE Model
Optimization Strategy Example (I)
Optimization Strategy Example (II)
Optimization Strategy Example (II)
Brake Power Convergence History - Overall
Brake Power Convergence History – Best Design
Brake Power Convergence History – MMFD
Optimization Results: Engine Brake Power
Optimization Results: Engine Brake Torque
Application of Optimization Tools to Vehicle Systems Analysis
Optimization Problem Definition
Creating the Linkage Between ADVISOR and iSIGHT
Approach
Optimization Results
What to Do When Optimizer Is Not “Working” (1)
What to Do When Optimizer Is Not “Working” (2)
References
Approximations
Approximations - Terminology
Approximations – Response Surfaces
Approximations - Options
Approximations - Concerns
Approximations & Optimization
Glove Box Approximation Model
Types of Models
Response Surface Model
Components to Model
Optimization without Approximation Model
Optimizing on Approximation Model
Optimization on Model, Update with Code
Move Limits
Approximations Notes
Approximation Models – 36 Points
Approximations
Kriging
Comparison of Approximation Fitting
Enhanced Approximation GUI
Advanced 3D Viewer
Approximations - Benefits
An Integrated Process of CFD Analysis and Design Optimization with Underhood Thermal Application
ICEMCFD Geometry Integrated Mesh
Integrated Process of CFD Analysis and Design Optimization
Application: Underhood Thermal Packaging
Application: CFD Thermal Simulation
Results and Discussion - DOE Studies
Results and Discussion - DOE Studies
Results and Discussion - Optimization
Hybridization Approach with DOE, GA, RSM, SQP and 3D Viscous Analysis for turbine blade Optimization
Objectives
Outline of the Process Integration
Outline of the Process Integration
Blade Geometry Parametrization
Parallelized 3D Navier-Stokes Solver
Application: An Annular Cascade
Application: An Annular Cascade
Application: An Annular Cascade
Application: An Annular Cascade
Application: An Annular Cascade
Conclusions
Measuring Design Quality
The GAP….
Source of Variability
Virtual vs Physical
Basic Statistics
Common Distributions
Monte Carlo Simulation
Monte Carlo Simulation – Basic Approach
Monte Carlo Sampling Techniques
Why Monte Carlo Simulation? - Benefits
Optimization – Benefits and Concerns
Reliability Analysis
Reliability Analysis - Terminology
Reliability Analysis – MCS Method
Reliability Analysis Methods
Reliability Analysis - Benefits
Reliability Optimization
Reliability Optimization - Formulation
Reliability Optimization – Benefits, Concerns
Taguchi Robust Design
Taguchi Robust Design - Terminology
Taguchi Robust Design - Implementation
Quality Loss – A Case Study - SONY
Taguchi Robust Design – Benefits, Concerns
Six Sigma Robust Design
Six Sigma Robust Design - Terminology
Six Sigma Robust Design – Quality Constraints
Six Sigma Robust Design - Formulation
Six Sigma Robust Optimization
Six Sigma Robust Design - Benefits
Example: Glove Box Robust Design
Glove Box Robust Design
Glove Box Robust Design
Glove Box Robust Design
Glove Box Robust Design
Robust Optimization in Design for 6-Sigma
Application: Automotive Crashworthiness
Probabilistic Design Approach
Vehicle Side Impact - Optimization
Vehicle Side Impact - Reliability Optimization
Vehicle Side Impact - Robustness
Vehicle Side Impact - Robust Optimization
Vehicle Side Impact - Robust Opt. Summary
Thank you
iSIGHT培训课程资料 Presented by Charles Yuan Lead Professional Services Engineer
Overview Charles Yuan Lead Professional Services Engineer
个 人 简 介
本 人 简 介 袁 振 国 (Charles Yuan) 清 华 大 学 热 能 工 程 系 (1985-1991) Virginia Tech, Mechanical Eng (1991-1995) Engineous Software, Inc (1995-present) o Lead Professional Services Engineer o Automotive Engineering Group
Goals 1. Get information about iSIGHT main features 2. Get familiar with iSIGHT technologies 3. Get familiar with iSIGHT technologies’ implementation DOE Optimization Approximation QEM Task Simcode Calculation Monitor Tcl MDOL API 4. Be able to build a simple iSIGHT task
iSIGHT Overview
Engineous is about 2 things 1. Helping clients integrate Helping clients integrate integrate Helping clients their and automate automate their and and automate their simulation--based design based design simulation simulation-based design processes processes processes 2. Finding the best Finding the best solution to their solution to their problems problems
What is iSIGHT iSIGHT is a Complete Design Exploration Environment Integration Linking of Commercial and Proprietary Tools Leverages Existing Tools Flexible Coupling Methods CAE Automates current Manual Design-Evaluate-Redesign Automation Process Method Design Exploration Tools Design of Experiments Optimization Approximations Quality Engineering Methods Knowledge Acquisition
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