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SECTION 1 INTRODUCTION
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WELCOME TO ADAMS TRAINING
What’s in this section: Course Objectives What is Motion Simulation? What is Adams? Adams Applications Why Build an Adams Model? SimCompanion: Technical Articles, Documentation & Forums Organization of Manual Getting Help
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COURSE OBJECTIVES After taking this course you will be able to:
Create Factors and Responses in your model Understand how Design Variable range settings work Create complex Response definitions in Adams Understand DOE Screening/Response Surface Strategies Be comfortable with DOE output statistics Create Monte Carlo variation studies Effectively create and run large design variation studies.
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WHAT IS MOTION SIMULATION?
Also called: Mechanical Systems Simulation (MSS) Multi-Body Dynamics (MBD) Equations of motion generated from the model CAD-like graphical interface or text file input Large angles, large displacements, nonlinear forces Differential and algebraic equations integrated directly Result is system animation and plotting of all kinematics (displacement, velocity, etc.) and dynamics (reactions, etc.)
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WHAT IS ADAMS? Automatic Dynamic Analysis of Mechanical Systems
Development started in 1974 at the University of Michigan Mechanical Dynamics, Inc. started with Adams/Solver MDI was acquired by MSC in 2002 Euler-Lagrange method to create equations of motion Predictor-corrector methods to solve equations Integrated animation and plotting Powerful parametric, scripting and post-processing abilities
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ADAMS APPLICATIONS The general purpose graphical user interface is Adams/View Model building, simulation submission, some animation Equations are built and integrated with Adams/Solver Solver is a standalone application, but typically used seamlessly from within Adams/View Plotting and animation done with Adams/PostProcessor Tightly integrated with Adams/View Industry verticals (e.g., Adams/Car) for model templates
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WHY BUILD AN ADAMS MODEL?
Verify Motion Performance (~60%) “Will it work?” Example: will landing gear fully deploy in these conditions? Compute Detailed Loads in a Mechanism (~30%) “Will it break?” Example: what are the cyclic loads on a wind turbine driveshaft? Examine Clearances in a Complex Mechanism (~10%) “Will it fit?” Example: will launch vehicle fairing deploy without hitting the payload?
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SimCompanion http://simcompanion.mscsoftware.com
One stop for full online support Find answers to your questions Search across ALL content Subscribe to notification Single sign-on to ALL content Access to other support resources Case Management Portal Discussion Forums Training Information
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SimCompanion Personalized Support via the following channels Web Email
Submit a Case Online Manage My Cases List of Addresses in Support Contact Information Phone List of Phone Numbers in Support Contact Information
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SimCompanion Product Info and Docs Access to all Product Documentation
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SimCompanion simcompanion.mscsoftware.com Access to Communities
VPD Community Discussion Forums Subscribe to discussion communities of interest Encourage the students to register for relevant Discussion Forums as part of the class Select Adams to view the Adams discussions.
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ORGANIZATION OF MANUAL
This manual is organized into modules that get progressively more complex. Each module focuses on solving an engineering-based problem and covers mechanical system simulation (MSS) concepts that will help you use Adams most optimally. The earlier workshops provide you with more step-by-step procedures and guidance, while the later ones provide you with less. Each module is divided into the following sections: Problem statement Concepts Workshop Optional tasks Module review
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GETTING HELP – ONLINE HELP
To access the online help, do either of the following: From the Help menu, select Adams/View Help to display the home page for the Adams/View online help. On Windows, go to Start->Programs->MSC.Software->MD Adams 2011->Adams Online Help While working in any Adams/View dialog box, press F1 to display online help specific to that dialog box. Once the online help is displayed, you can browse the table of contents, use the index, or search for keywords.
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GETTING HELP – ONLINE HELP
Index/search entire Adams help Contents of selected tab Table of contents Show the students how they can search the guide to find text much as they would search through an index.
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GETTING HELP – CONSULTING
MSC.Software provides comprehensive engineering consulting services to help you realize the benefits of Virtual Product Development quickly and confidently. Staff Augmentation Technology Transfer Process Capture and Automation Methods Development Virtual Build and Test For more information on MSC Consulting Services, go to:
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This module includes: Collaboration with ADAMS/Insight
Adams Product Solutions DOE Theory and Response Surfaces Recent Design Advances
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COLLABORATION WITH ADAMS/INSIGHT
Use ADAMS/Insight to explore the design space of a virtual prototype and optimize the design. Share the results with colleagues and supervisors. Corporations want to: Cut design cycle time Predict behavior without physical tests Achieve efficient collaboration between organizations Designers want/need to: Get more information up-front, learn about designs earlier Have an easy way to share results
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COLLABORATION WITH ADAMS/INSIGHT
A solution: Common dialog for engineering teams (knowledge) Inexpensive evaluation of design changes (speed) Virtual testing of innovations (cost)
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ADAMS PRODUCT SOLUTIONS
The base is ADAMS/Solver, required for solving equations of motion of mechanical system. Custom components are incorporated for elements such as tires and flexible bodies. On top of ADAMS/Solver is ADAMS/View, the parametric engine to create ADAMS/Solver models. Customized ADAMS/View products enable analysis of common machine groups, such as automobiles. ADAMS/Insight drives the parametric engines intelligently, helps interpret results, and simplifies sharing information.
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DOE THEORY AND RESPONSE SURFACES
DOEs for design space exploration Minimize the number of design evaluations using DOE theory to discretize the design space intelligently. Response surfaces for interpretation Fit results of trial evaluations by assuming design surface continuity, and gain the ability to rapidly predict performance of any model within the design space. This course does not cover all the steps in the virtual prototyping process. It covers all steps up through Iterate. It does not cover Optimize or Automate. Through the course, seek opportunities to use the visual effect of the white board. Map out the process shown here one phase at a time, to emphasize it. Capture the students’ attention by using all the available tools (white board sketches, guide text, demos using ADAMS/View, KBA, online docs, and so on).
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RECENT DESIGN ADVANCES
Virtual Prototyping Parametrics Collaboration
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RECENT DESIGN ADVANCES…
Virtual Prototyping Virtual Prototyping (70s - 80s) Focus on developing ONE model of ONE design. Evaluation of design changes required modeling expertise; could be time consuming. Evaluation of design change was error-prone.
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RECENT DESIGN ADVANCES…
Parametrics Parametric Modeling (90s) Preprocessor developed for specific mechanical systems. Analysts maintained model parameters. Standard modeling practices leveraged throughout organization. Attribute specialists no longer needed to be Adams experts to get job done. Faster A/B comparisons.
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RECENT DESIGN ADVANCES…
Collaboration Collaboration (present) Analyst quickly evaluates design space. Analyst quickly communicates to organization. Analyst enables collaboration within organization.
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