An exact expression of energy release rate for geometrical nonlinear elastic fracture mechanics is obtained for an infinite plate with central crack under uniform stress normal to crack surfaces.
对含中心裂纹的无限大板在裂纹表面受均匀分布压力作用的情况,导出了几何非线性弹性断裂力学的能量释放率的一个精确表达式。
The fracture of the electronic components is predicted through Comparing the experimental data of strain energy release rate.
对比能量释放率的试验数据,对电子元件的断裂进行了预测。
The results show that using the encapsulated delayed release breaker may improve the proppant pack fracture conductivity and increase the cumulative oil and gas production capacity.
表明胶囊延迟破胶技术可显著改善裂缝导流能力,提高油气井产量。
An energy method for determining fracture toughness of fibrous composite laminates was based on the theory of elastic energy release rate and crack-growth resistance in this paper.
应用线弹性断裂力学的弹性能释放率及裂纹扩展阻力等基本概念和理论,建立起确定纤维增强高分子聚合物复合材料断裂韧性的能量方法。
It has been discovered by exploration that besides the normal stress-release cracks there exist a lot of mud-intercalated fracture zones in the right bank slope.
勘探发现,某水电站右坝肩边坡,除正常卸荷裂隙外,发育有大量的夹泥型破裂带。
The author believes that the bearing core is a precondition for leap-frog penetration and for maintaining the constant angle of fracture resulted from the release of the energy absorbed by the core.
认为承压核是造成跃进式侵入和破碎角稳定的条件,跃进式侵入和破碎角稳定是承压核储能释放的结果。
If the capsule's quality can't meet the demand, the excessive rapid release speed of the breaker would lead to the fracture fluid viscosity premature descending and inducing the failure of work.
但是如果制作胶囊破胶剂的囊壳材料不好,胶囊破胶剂释放速率过快则会使压裂液提前破胶,导致施工失败。
Under present circumstance, an effective measure to release this influence is to make repeat treatment to oilfield and the fracture to break plug is main way of it.
现有条件下,对采油井进行重复改造是解除这种影响的有效措施,解堵性压裂是重复改造的主要方法。
Conclusion According to the status of internal fixation and fracture healing, taking suitable surgical release and postoperative functional rehabilitation, all could achieve good effect.
结论根据内固定及骨折愈合情况,选择合适的松解方法及术后功能康复,均可取得较满意的手术效果。
Conclusion According to the status of internal fixation and fracture healing, taking suitable surgical release and postoperative functional rehabilitation, all could achieve good effect.
结论根据内固定及骨折愈合情况,选择合适的松解方法及术后功能康复,均可取得较满意的手术效果。
应用推荐