Simplified formulae for computing the stiffness matrices in four cases are derived, which, compared with corresponding Gauss integration algorithm, can cut 94-98% computing time.
文中导出了四种情况下刚度矩阵的简化计算公式，这些公式比对应的高斯积分算法节省计算工作量94—98%。
To overcome the difficulty in integration, the simplified formulae in BEM of axisymmetric heat conduction are given.
为克服积分困难，给出了一个轴对称导热的边界元简化公式。
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