Analysis of the Mechanical Wave in the Composite Made of Sandstone and Rubber

Major, Maciej; Major, Izabela

doi:10.1016/j.proeng.2017.05.330

Cited by 10 publications

(6 citation statements)

References 6 publications

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“…According to that, one can state, that the ceramic block hollows should have more complex or irregular shape to prevent interference and provide regions where waves could refract. Numerical studies of wall hollow blocks with rubber injects [14,16,24] proves, that if only rubber crosses transversely the line of acting force, the higher values of mechanical wave damping are obtained.…”

Section: Numerical Results and Discussionmentioning

confidence: 90%

Different ways of mechanical wave propagation damping in Ackerman ceilings using recycled rubber

Kuliński

2022

IOP Conf. Ser.: Mater. Sci. Eng.

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In this paper, the use of recycled rubber in the form of inserts/fillings or overlays on Ackerman ceiling blocks to partially dampen the propagation of mechanical waves from vibrating machines/devices or accidental shocks from the people movement is discussed. The numerical study is carried out with the use of ADINA software based on Finite Element Method (FEM). The energy transferred via the forced wave is observed in the form of stress plots at given time steps. Four different Ackerman blocks are chosen, which differs in height dimension and shape. In the analysis the complexity of each block supporting is simplified and each block is treated as simply supported on its external edges. The dynamic load is applied to the blocks top surface towards the bottom. For each Ackerman block the analysis is performed twice. The first sequence deals with the Ackerman block itself – without rubber filling, and the second one with insert/filling, what gives the possibility to compare the results of transferred energy. On the basis of presented in paper results, one observes that the rubber filling gives a slight to significant reduction of mechanical wave energy transfer, depending on the block configuration.

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Section: Numerical Results and Discussionmentioning

confidence: 90%

Different ways of mechanical wave propagation damping in Ackerman ceilings using recycled rubber

Kuliński

2022

IOP Conf. Ser.: Mater. Sci. Eng.

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“…The considered a rectangular shallow founded infinitely long canal, having the width 2 , with uniform thickness walls [13]. Rectangular canal was filled with liquid to the height .…”

Section: Seismic Effect Of Fluid On Channelmentioning

confidence: 99%

FEM simulation of the endlessly long fluid filled canal due to horizontal ground motion

Kotrasová¹

2019

Vib. proced.

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The dynamic behavior of fluid filling in moving containers is a phenomenon that has attracted the attention lot of scientists. The liquid in an arbitrary shaped container under external excitations exerts the hydrodynamic pressure that with hydrostatic pressure acting together onto walls and bottom of container. The knowledge of the hydrodynamic fluid response on the solid domain of structure contributes to reliability and earthquake resistance of liquid-containing systems. This paper presents the possibility of simulation endlessly long fluid filled the rectangular tank -channel due to an action of horizontal ground motion. The Finite Element Method was used for simulation of this problem. One computational model uses FEM formulation ALE FSI and two models simulate only the solid domain by FEM and fluid effect due to horizontal ground motion is simulated by fluid-quasistatic hydrodynamic pressure given by Eurocode 8 and Indian standard.

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“…However, a valid calculation methodology based on probabilistic modelling that would be directly applicable to the existing load-bearing structures is non-existent [8]. Numerous numerical methods, mostly based on the finite element method -FEM [9][10][11][12], have been developed to aid in the understanding of the behavior of the fatigue phenomena. The essential tools for these calculations are provided by fracture mechanics [13] and the reliability theory [14,15].…”

Section: Introductionmentioning

confidence: 99%

Probabilistic fatigue analysis of existing steel structure

et al. 2020

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The paper deals with evaluation of possible fatigue damage of existing steel crane structure. It is possible to use the some traditional methods to solve the problem - a concept of fatigue S-N curves (which are mainly used for designing of a new structures) or the procedures based on linear fracture mechanics utilizing the Paris-Erdogan’s law (which are suitable for estimation of remaining lifetime). For the resistance assessment the relevant data of load effects caused by cyclically loaded structure operation are necessary for both concepts. For the prediction of fatigue damage over time, calibration functions for short edge cracks were derived based on the results of the experiment, and the acceptable size of the fatigue crack in damaged structural component under analysis was determined. Using the derived relationships, a stochastic analysis of the selected element was performed and the results are discussed.

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Analysis of the Mechanical Wave in the Composite Made of Sandstone and Rubber

Cited by 10 publications

References 6 publications

Different ways of mechanical wave propagation damping in Ackerman ceilings using recycled rubber

Different ways of mechanical wave propagation damping in Ackerman ceilings using recycled rubber

FEM simulation of the endlessly long fluid filled canal due to horizontal ground motion

Probabilistic fatigue analysis of existing steel structure

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