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A comparison between the results obtained by the complete moving mass approach with those coming from the approximate solutions is also carried out.
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The results of the single-iteration approximation are quite close to the iterative modal analysis approach, which indicates that this approximate solution is an excellent tool for the analysis of the moving mass problem.
In terms of the moving mass control technology, the configuration of internal moving masses is a key challenge.
There are three basic modeling procedures of vehicles, namely, moving force, moving mass and moving suspension mass, as shown in Fig. 1 (Wang et al. 2003).
Vibration of a string under a moving mass is considered.
An iterative modal analysis approach is developed to determine the effect of transverse cracks on the dynamic behavior of simply supported undamped Bernoulli Euler beams subject to a moving mass.
Second, for a moving suspension mass model, the interaction force between moving mass and bridge is incorrectly given.
A dynamic Green function approach is used to determine the response of a simply supported Bernoulli Euler beam of finite length subject to a moving mass traversing its span.
In the available finite element (FE) codes the only way to distinguish between moving masses from moving loads is to model the moving mass as a separate entity.
Moving mass is one of the control actuators, whose configuration in the warhead is the basis of application in engineering for moving mass control technology.
The stationary mass approach is useful for light moving masses (<20% of beam mass) and cracks at mid-span.
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