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Theoretical modeling and numerical solution methods for flexible multibody system dynamics
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DOI：10.1007/s11071-019-05191-3.png)
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摘要
En 中文
Flexible multibody system dynamics (MSD) is one of the hot spots and difficulties in modern mechanics. It provides a powerful theoretical tool and technical support for dynamic performance evaluation and optimization design of a large number of complex systems in many engineering fields, such as machinery, aviation, aerospace, weapon, robot and biological engineering. How to find an efficient accurate dynamics modeling method and its stable reliable numerical solving algorithm are the two core problems of flexible MSD. In this paper, the research status of modeling methods of flexible MSD in recent years is summarized first, including the selection of reference frames, the flexible body's kinematics descriptions, the deductions of dynamics equation, the model reduction techniques and the modeling methods of the contact/collision, uncertainty and multi-field coupling problems. Then, numerical solution technologies and their latest developments of flexible MSD are discussed in detail. Finally, the future research directions of modeling and numerical computation of flexible MSD are briefly prospected.
Keyword:
Multibody dynamics
Contact
impact
Ordinary differential equation
Differential-algebraic equation
Cosimulation
Uncertainty
Multi-field coupling
Transfer matrix method
Absolute nodal coordinate formulation
Computer symbolic modeling
Explicit-implicit hybrid integration
Adaptive time integration
Multi-rate method
Parallel computing
Clearance
Lubrication
Wear
Nonlinear dynamics
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期刊
IF:
6
论文数:
1.4W
被引数:
4.1W
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