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Comparisons of Kinematics and Dynamics Simulation Software ToolsKinematic and dynamic analyses for moving bodies are essential to system engineers and designers in the process of design and validations. 3D visualization and motion simulation plus finite element analysis (FEA) give engineers a better way to present ideas and results. Marshall Space Flight Center (MSFC) system engineering researchers are currently using IGRIP from DELMIA Inc. as a kinematic simulation tool for discrete bodies motion simulations. Although IGRIP is an excellent tool for kinematic simulation with some dynamic analysis capabilities in robotic control, explorations of other alternatives with more powerful dynamic analysis and FEA capabilities are necessary. Kinematics analysis will only examine the displacement, velocity, and acceleration of the mechanism without considering effects from masses of components. With dynamic analysis and FEA, effects such as the forces or torques at the joint due to mass and inertia of components can be identified.

With keen market competition, ALGOR Mechanical Event Simulation (MES), MSC visualNastran 4D, Unigraphics Motion+, and Pro/MECHANICA were chosen for explorations. In this study, comparisons between software tools were presented in terms of following categories: graphical user interface (GUI), import capability, tutorial availability, ease of use, kinematic simulation capability, dynamic simulation capability, FEA capability, graphical output, technical support, and cost. Propulsion Test Article (PTA) with Fastrac engine model exported from IGRIP and an office chair mechanism were used as examples for simulations.
Document ID
20020068833
Acquisition Source
Marshall Space Flight Center
Document Type
Contribution to a larger work
Authors
Yeu-Sheng Paul Shiue
(Christian Brothers University Memphis, Tennessee, United States)
Date Acquired
August 20, 2013
Publication Date
July 1, 2002
Publication Information
Publication: Research Reports-2001 NASA/ASEE Summer Faculty Fellowship Program
Publisher: Marshall Space Flight Center
Volume: NASA/CR-2002-211840
Issue Publication Date: July 1, 2002
Subject Category
Computer Programming And Software
Funding Number(s)
CONTRACT_GRANT: NAG8-1786
Distribution Limits
Public
Copyright
Public Use Permitted.
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