【摘要】 多孔直杆弹性扭转问题导致一个Poisson方程的非局部边值问题,相应的积分方程既包含未知函数又包含若干个未知数,并带有约束条件,我们通过把问题化为若干个无约束的变分问题证明了变分解的唯一性,并对近似解进行了误差分析,得到了最佳的误差估计。更多还原

【Abstract】 The prolilem of ebistic torsion of unltiholc liars results in a nonlocal boundary value problem for Foissoit equation and the corresponding boundary integral equation with the restrictions contains an nuknowu function awl several unknown numbers. We prove the uniqueness of the variational solution by reducing the problem into several variational problems without restrictions, make the error analysis for the approximate solution and obtain the optimum error estimate.更多还原