Through analyzes around the wellbore stressfield and the crackstressfield, has established around separately the wellbore stressfield model and the crack effective stress model.
通过分析井筒周围应力场和裂缝应力场,分别建立了井筒周围应力场模型和裂缝的有效应力模型。
2
The stressfield near crack tip is an important factor to effect crack extension.
裂纹缺陷周围的应力变形场是影响裂纹扩展的重要因素。
3
The temperature field, stress, critical crack size as well as the interior quality of the rolls are presented.