In this paper, the extended reduced order physical model, which is developed to represent dynamics of flexible structures in multibody systems, is implemented to general multibody formulations. The elastic deformations are described using vibration modes associated with the rigid bodies that are effectively defined using dynamic properties of the system in this reduced order modeling method. The recursive formulation and the augmented formulation are used to develop the constraint equations associated with the connections between the reference body and the several rigid bodies in the modal representations used to modal elastic deformations. For this purpose, the n-body constraint is developed for the recursive formulations, while these constraint equations are transformed into the form that is suitable for the augmented formulation using the singular value decomposition or QR decomposition. The use of the formulations in this paper allows for the implementation of the extended reduced order physical model into the commercial multibody codes such as SIMPACK, ADAMS, and DADS.
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ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
September 2–6, 2003
Chicago, Illinois, USA
Conference Sponsors:
- Design Engineering Division and Computers and Information in Engineering Division
ISBN:
0-7918-3703-3
PROCEEDINGS PAPER
Implementing the Extended Reduced Order Physical Model Into Commercialized Software Packages: Implementing Modal Constraints Into Software Packages Available to Purchase
Takahito Sagane,
Takahito Sagane
Nihon University, Tokyo, Japan
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Takao Kinoshita,
Takao Kinoshita
Nihon University, Tokyo, Japan
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Hiroshi Tajima,
Hiroshi Tajima
Komatsu, Ltd., Tokyo, Japan
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Kazuto Seto
Kazuto Seto
Nihon University, Tokyo, Japan
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Takahito Sagane
Nihon University, Tokyo, Japan
Takao Kinoshita
Nihon University, Tokyo, Japan
Hiroshi Tajima
Komatsu, Ltd., Tokyo, Japan
Kazuto Seto
Nihon University, Tokyo, Japan
Paper No:
DETC2003/VIB-48330, pp. 259-265; 7 pages
Published Online:
June 23, 2008
Citation
Sagane, T, Kinoshita, T, Tajima, H, & Seto, K. "Implementing the Extended Reduced Order Physical Model Into Commercialized Software Packages: Implementing Modal Constraints Into Software Packages." Proceedings of the ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 5: 19th Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C. Chicago, Illinois, USA. September 2–6, 2003. pp. 259-265. ASME. https://doi.org/10.1115/DETC2003/VIB-48330
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