Motion Simulation and Mechanism Design With 2007

This book is written to help you become familiar with COSMOS Motion, an add-on module of the SolidWorks software family, which supports modeling and analysis (or simulation) of mechanisms in a virtual (computer) environment. Capabilities in COSMOS Motion support you to use solid models created in SolidWorks to simulate and visualize mechanism motion and performance. Using COSMOS Motion early in the product development stage could prevent costly (and sometimes painful) redesign due to design defects found in the physical testing phase. Therefore, using COSMOS Motion for support of design decision making contributes to a more cost effective, reliable, and efficient product design process. This book covers the basic concepts and frequently used commands required to advance readers from a novice to an intermediate level in using COSMOS Motion. Basic concepts discussed in this book include model generation, such as assigning moving parts and creating joints and constraints; carrying out simulation and animation; and visualizing simulation results, such as graphs and spreadsheet data. These concepts are introduced using simple, yet realistic examples. Verifying the results obtained from the computer simulation is extremely important. One of the unique features of this book is the incorporation of theoretical discussions for kinematic and dynamic analyses in conjunction with the simulation results obtained using COSMOS Motion. The purpose of the theoretical discussions lies in solely supporting the verification of simulation results, rather than providing an in-depth discussion on the subject of mechanism design. COSMOS Motion is not foolproof. It requires a certain level of experience and expertise to master the software. Before arriving at that level, it is critical for you to verify the simulation results whenever possible. Verifying the simulation results will increase your confidence in using the software and prevent you from being fooled (hopefully, only occasionally) by any erroneous simulations produced by the software. Example files have been prepared for you to go through the lessons, including SolidWorks parts and assemblies, as well as completed COSMOS Motion models. You may want to start each lesson by reviewing the introduction and model sections and opening the assembly in COSMOS Motion to see the motion simulation, in hope of gaining more understanding about the example problems. In addition, Excel spreadsheets that support the theoretical verifications of selected examples are also available.
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