Contact Interaction of a Stamp and a Poroelastic Strip Lying on a Winkler Base

IF 1.5 4区 材料科学 Q4 MATERIALS SCIENCE, COMPOSITES Mechanics of Composite Materials Pub Date : 2024-01-13 DOI:10.1007/s11029-023-10164-0
M. I. Chebakov, E. M. Kolosova
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Abstract

A plane contact problem on the interaction of a rigid stamp with a poroelastic strip lying on a Winkler base was investigated. The deformation of the strip was modeled based on the equations of the Cowin–Nunziato poroelastic bodies theory. It was assumed that the base of the stamp has a flat or parabolic shape and there is no friction in the contact zone. With the help of the Fourier integral transformation, the problems stated were reduced to an integral equation for an unknown contact stress, which was solved with the use of the collocation and the asymptotic methods. The values of contact stresses, sizes of the contact area in the case of a parabolic stamp and the relative deformation of the surface outside the stamp were determined. A comparative analysis of the studied quantities for various values of the poroelastic strip parameters and the coefficient of subgrade resistance of the Winkler base was carried out. Numerical results are presented in the form of tables and graphs.

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位于温克勒底座上的印章与多孔弹性条的接触相互作用
研究了刚性印章与位于温克勒基座上的孔弹性条带相互作用的平面接触问题。条带的变形是根据 Cowin-Nunziato poroelastic bodies 理论方程模拟的。假定印章底座为平面或抛物线形状,且接触区域无摩擦。在傅立叶积分变换的帮助下,上述问题被简化为未知接触应力的积分方程,并利用配位法和渐近法进行求解。确定了接触应力值、抛物线印章情况下的接触面积大小以及印章外表面的相对变形。针对不同的孔弹性带参数值和温克勒路基的路基阻力系数,对所研究的量进行了比较分析。数值结果以表格和图表的形式呈现。
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来源期刊
Mechanics of Composite Materials
Mechanics of Composite Materials 工程技术-材料科学:复合
CiteScore
2.90
自引率
17.60%
发文量
73
审稿时长
12 months
期刊介绍: Mechanics of Composite Materials is a peer-reviewed international journal that encourages publication of original experimental and theoretical research on the mechanical properties of composite materials and their constituents including, but not limited to: damage, failure, fatigue, and long-term strength; methods of optimum design of materials and structures; prediction of long-term properties and aging problems; nondestructive testing; mechanical aspects of technology; mechanics of nanocomposites; mechanics of biocomposites; composites in aerospace and wind-power engineering; composites in civil engineering and infrastructure and other composites applications.
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