超级单元 meaning in English

cell super
cell, super

For the purpose of improving calculation precision and reduce workload , viscoelastic similar shape element is generated in the numerical research about crack problem , using the characteristic of similar stiffness matrix between element near crack tip
在裂纹问题的数值研究中,为了提高计算精度、减轻计算工作量,构造了粘弹性相似界面单元,利用裂尖附近相似单元刚度阵相似的特点,采用聚缩法形成裂尖超级单元。