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Determination of stress state of anisotropic plates with rigid inclusions based on singular integral equations

机译:基于奇异积分方程的刚性夹杂各向异性板的应力状态确定

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In the paper singular integral equations for anisotropic plates with inclusions (the Dirichlet problem) are developed in the simple form on the basis of established dependencies between the Lekhnitskii complex potentials, stress and displacements. The numerical method for solving integral equations is developed on the basis of the quadrature method for the inclusion system. The eigen solutions of the problem were taken into consideration in this method. Simplicity, accuracy of the approach and stability of the obtained systems of algebraic equations are illustrated during: finding stress with controlled accuracy for systems of the large number of rigid inclusions, determining the high stress concentration near inclusions with corner points (the asymptotic method is additionally used).
机译:在本文中,在Lekhnitskii复势,应力和位移之间已建立的依存关系的基础上,以简单形式建立了包含夹杂物的各向异性板的奇异积分方程(狄利克雷问题)。在积分系统的正交方法的基础上,提出了求解积分方程的数值方法。该方法考虑了问题的本征解。在以下过程中说明了方法的简单性,方法的准确性和所获得的代数方程组的稳定性:在大量刚性夹杂物的系统中找到具有可控精度的应力,确定带有拐角点的夹杂物附近的高应力集中(另外采用渐近法用过的)。

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