The difference equations for the boundary tangential stress are derived in the case of constant boundary element.

推导出常边界单元情况下边界切向应力的差分公式。

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The linear boundary element method (LBEM) is based on the constant boundary element method (CBEM), it makes boundary element into linear segment from linear interpolating function.

线性边界元法（LBEM）是在常数边界元法（CBEM）的基础上，从线性插值函数出发将边界单元按线性分布来进行处理的一种数值方法。

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