Simplified multibody method for computing the modal characteristics of high-speed railway catenary
机车电传动, 2022 To simplify the computing process for the structural vibration modal properties of railway catenary based on absolute nodal coordinates, this paper proposed a fast computational method based on the advanced flexible multibody dynamics. By establishing an
GONG Yongzhe +3 more
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Middeck Active Control Experiment (MACE), phase A [PDF]
A rationale to determine which structural experiments are sufficient to verify the design of structures employing Controlled Structures Technology was derived.
Crawley, Edward F. +2 more
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Differential-Algebraic Equations and Beyond: From Smooth to Nonsmooth Constrained Dynamical Systems [PDF]
, 2018 The present article presents a summarizing view at differential-algebraic equations (DAEs) and analyzes how new application fields and corresponding mathematical models lead to innovations both in theory and in numerical analysis for this problem class ...
Kleinert, Jan, Simeon, Bernd
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Hydro-elasticity in flexible multibody dynamics
, 2016 A method is presented that incorporates hydrodynamic radiation forces in the floating frame of reference method used in flexible multibody dynamics. These hydrodynamic forces are approximated such that the fully hydro-elastically coupled problem can be solved at once using standard techniques.
Schilder, Jurnan Paul +3 more
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Multibody dynamics model building using graphical interfaces [PDF]
In recent years, the extremely laborious task of manually deriving equations of motion for the simulation of multibody spacecraft dynamics has largely been eliminated.
Macala, Glenn A.
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Dynamics Analysis of Multibody Systems Based on Flexible Thermal Coupling Solid Elements
ActuatorsIn high-precision fields such as automotive and aerospace, solid elements are commonly used to verify the dynamic response of key components, which can comprehensively simulate three-dimensional stress, deformation, and temperature field changes. In this
Zuqing Yu, Yibin Shen
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Dynamic modeling of multibody flexible structures
, 2018 This dissertation presents research work on the dynamic modeling of a three-dimensional, multibody, flexible, structural system with mutually coupled multicoordinates of unknown large overall rigid body motion. The study includes theory development and mathematical modeling, time integration numerical technique investigation, computer simulation and ...
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Dynamics formulations for the real-time simulation of constrained motion [PDF]
The Space Shuttle program has relied heavily on simulation throughout all phases of development and operation. Real-time, man-in-the-loop simulation has served the NASA manned space flight program by providing the means to evaluate systems design and ...
Kelly, Frederick A.
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Analysis on the dynamics of flexible drillstring under different drilling parameters
Frontiers in Earth ScienceDuring the operation of the drill string, it displays a degree of flexibility. Simultaneously, its dynamic properties, influenced by complex stress conditions, manifest nonlinearity and uncertainty.
Jifei Cao +8 more
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Element-specific modal formulations for large-displacement multibody dynamics [PDF]
Large dispacement assumed-mode modeling techniques are examined in the context of multibody elastodynamics. The range of both general and element-specific approaches are studied with the aid of examples involving beams, plates, and shells.
Ryan, R. R., Yoo, H. H.
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