... Stress Extrapolation Method 应力外推法 interior extrapolation method 划界法 Horner extrapolation method 赫诺外推法 ...
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本文用边界元位移及应力外推法计算了V形切口的应力强度因子，在切口顶端附近设置小单元用以模拟切口顶端的应力奇异性。
At the top of notch, small size elements were used to simulate its stress singularity. The examples demonstrate that the present method could provide accurate results.
应用外推法得到应力强度因子及裂尖周围的应力三维度。
Also, the extrapolation method is used to obtain the SIF and stress triaxiality around the tip cracks.
而以蠕变极限为失效准则的蠕变内应力法与常规的以蠕变试验为基础的等温外推法相比，还具有试验时间短的优点。
It is also shown that under the creep limit failure criterion, the creep internal stress method has the advantage of less test time in comparison with the isothermal...
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