The boundary element method (BEM) employing the partial pivot adaptive cross approximation (PACA) algorithm has been observed to experience convergence failures and reduced solution accuracy when solving elasticity problems, especially at large scales. To address this issue, this paper proposes an improved algorithm for both 2D and 3D elasticity problems.

中文翻译：

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弹性问题的偏枢轴ACA边界元法研究


据观察，采用部分枢轴自适应交叉逼近 (PACA) 算法的边界元法 (BEM) 在求解弹性问题时，尤其是在大规模问题时，会出现收敛失败和求解精度降低的情况。为了解决这个问题，本文提出了一种针对 2D 和 3D 弹性问题的改进算法。