Stress concentration near a cavity filled with a liquid

Evtushenko, A. A.; Sulim, G. T.

doi:10.1007/bf00723078

Cited by 7 publications

(6 citation statements)

References 3 publications

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“…According to this method, the inclusions are replaced by a certain surface (in the two-dimensional case, a line) of the discontinuity of the physical–mechanical fields, which describes the perturbing effect of a thin inclusion. Successful attempts were made in [ 17 , 33 , 42 , 43 , 44 , 45 ] to apply it to consider the influence of various physical and contact nonlinearities in the antiplane problem of elasticity theory for two compressed half-spaces with interfacial defects. The frictional slip with possible heat generation for contacting bodies [ 34 , 44 , 46 , 47 , 48 , 49 ] and the boundary element approach [ 50 , 51 , 52 ] were also considered here.…”

Section: Introductionmentioning

confidence: 99%

Effect of the Transverse Functional Gradient of the Thin Interfacial Inclusion Material on the Stress Distribution of the Bimaterial under Longitudinal Shear

Piskozub

Sulym

2022

Materials

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The effect of a functional gradient in the cross-section material (FGM) of a thin ribbon-like interfacial deformable inclusion on the stress–strain state of a piecewise homogeneous linear–elastic matrix under longitudinal shear conditions is considered. Based on the equations of elasticity theory, a mathematical model of such an FGM inclusion is constructed. An analytic–numerical analysis of the stress fields for some typical cases of the continuous functional gradient dependence of the mechanical properties of the inclusion material is performed. It is proposed to apply the constructed solutions to select the functional gradient properties of the inclusion material to optimize the stress–strain state in its vicinity under the given stresses. The derived equations are suitable with minor modifications for the description of micro-, meso- and nanoscale inclusions. Moreover, the conclusions and calculation results are easily transferable to similar problems of thermal conductivity and thermoelasticity with possible frictional heat dissipation.

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Section: Introductionmentioning

confidence: 99%

Effect of the Transverse Functional Gradient of the Thin Interfacial Inclusion Material on the Stress Distribution of the Bimaterial under Longitudinal Shear

Piskozub

Sulym

2022

Materials

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“…The influence of the interstitial medium filling the interface gaps on the mechanical behavior of bodies has been studied by Machyshyn and Nagórko (2003), Slobodyan et al (2014), Kozachok et al (2017), Malanchuk et al (2017), Serednytska et al (2019) (gas-filled gaps), Evtushenko and Sulim (1981), Kuznetsov (1985), Kit et al (2003), and (liquid-filled gaps). A number of works studied the influence of liquid bridges in interface gaps on contact interaction when the remainder of the gap is filled with a vacuum (Peng and Bhushan, 2002;Boer, 2007;Xue and Polycarpou, 2007;Persson, 2008;Wang et al, 2009) or with a gas (Martynyak and Slobodyan, 2008;Slobodyan, 2012;Kozachok et al, 2016;Kozachok and Martynyak, 2018).…”

Section: Introductionmentioning

confidence: 99%

The Combined Thermal and Mechanical Effect of an Interstitial Gas on Thermal Rectification Between Periodically Grooved Surfaces

Chumak

Martynyak

2019

Front. Mech. Eng.

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This paper presents a study on the combined thermal and mechanical effect of interstitial gas on thermal rectification between a periodically grooved surface and a flat one. To evaluate the interstitial medium influence, the analytico-numerical solution to the corresponding thermoelastic contact problem is constructed taking into account the effect of thermal strains on gap deformation. The results are provided for the Stainless Steel AISI 304-Aluminum Alloy A380 pair in the presence of air or krypton in the interface gaps. The effects of the gas thermal conductivity and pressure, the imposed pressure and heat flux, and the maximum groove height on the effective thermal contact resistance and the level of thermal rectification are analyzed. It is revealed that taking into account the mechanical effect of the gap filler leads to lower values of thermal rectification level. Also, the change of the gap filler thermal conductivity has more pronounced effect that the change of its pressure.

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“…The crack filler exerts pressure on the crack surfaces and thus affects the distribution of stresses in the vicinity of the crack, and may cause its propagation. The stress--strain state of homogeneous and piecewise-homogeneous bodies with open cracks filled with a liquid or a gas, the pressure of which depends on the applied load, was investigated by Alekseev et al (1992), Andreikiv and Hembara (2008), Balueva and Goldstein (1995), Evtushenko and Sulim (1981), Feraille-Fresnet et al (2003), Kaczyński and Monastyrskyy (2004), and Monastyrskyy and Kaczyński (2007).…”

Section: Introductionmentioning

confidence: 99%

The thermoelastic state of a bi-material with an open gas-filled interface crack

Serednytska¹,

Martynyak²,

Chumak³

2019

Journal of Theoretical and Applied Mechanics

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The thermoelastic behavior of a bi-material with a gas-filled interface crack is investigated. The bi-material is subjected to a uniform tensile load and a uniform heat flow. The gas exerts pressure on the crack surfaces and offers thermal resistance proportional to the crack opening. The gas state is assumed to be described by the ideal gas law. The effects of gas mass, gas thermal conductivity and heat flux on the crack opening, interface temperature jump, gas pressure and stress intensity factors are analyzed. It is revealed that a bi-material with a heat-conducting crack exhibits the heat flow directional effect.

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Stress concentration near a cavity filled with a liquid

Cited by 7 publications

References 3 publications

Effect of the Transverse Functional Gradient of the Thin Interfacial Inclusion Material on the Stress Distribution of the Bimaterial under Longitudinal Shear

Effect of the Transverse Functional Gradient of the Thin Interfacial Inclusion Material on the Stress Distribution of the Bimaterial under Longitudinal Shear

The Combined Thermal and Mechanical Effect of an Interstitial Gas on Thermal Rectification Between Periodically Grooved Surfaces

The thermoelastic state of a bi-material with an open gas-filled interface crack

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