The solution error is estimated using the ZZ error estimator which is based on the recovery stress filed acquired through the MLS/NNI stress recovery scheme according to the character of the NEM.
针对自然单元法的特点，提出了基于MLS拟合和NNI插值的应力恢复方案；在应力恢复的基础上采用Z-Z误差估计方法对求解误差进行了有效的估计；
The solution error is estimated using the ZZ error estimator which is based on the recovery stress filed acquired through the MLS/NNI stress recovery scheme according to the character of the NEM.
针对自然单元法的特点，提出了基于MLS拟合和NNI插值的应力恢复方案；在应力恢复的基础上采用Z-Z误差估计方法对求解误差进行了有效的估计；
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