| 1. | All of that will help us to analyze the fatigue and fracture of hydraulic turbine runner
计算结果可为其它水轮机转轮的动应力特性分析和疲劳分析提供参考。 |
| 2. | All of these will help us to analyze the fatigue and fracture of hydraulic turbine runner
本文计算结果可为其它水轮机转轮的应力特性分析及转轮疲劳裂纹分析提供参考。 |
| 3. | The computational method of the stress due to the hydraulic reason is an important problem of the hydraulic machinery
长期以来人们一直在寻找由于水力激励引起转轮叶片应力特性的计算方法。 |
| 4. | Standard test method for determining age at cracking and induced tensile stress characteristics of mortar and concrete under restrained shrinkage
测定限制收缩下的灰浆和混凝土断裂老化和诱导拉伸应力特性的标准试验方法 |
| 5. | While the fodri chapter was the focal point , in which the preparation , microstructure and photoelectric properties of cu - mgf , cermet films were discussed in detail
膜的微结构、光学常数和应力特性；第四章是本文的重点，详细论述了cll mgf 。系列样品的制备、微结构和光电特性。 |
| 6. | Steel products for pressure purposes . derivation and verification of elevated temperature properties . an alternative procedure for deriving the elevated temperature yield or proof stress properties when data are limited
压力用钢制品.温升特性的导出和证明.第3部分:当数据给定时导出温升屈服或试验应力特性的选择程序 |
| 7. | Duxing researching the preparation , microstructure and photoelecttic properties of cu - mgf , cermet films , the microstructure , optical and stress properties of cu films prepared by dc magnetron sputtering and mgf , by ar magnetron sputtering were also studied
作为cu又复合纳米金属陶瓷薄膜的制备、微结构及光电特性研究的基础，研究了不同厚度直流磁控溅射cll膜和射频磁控溅射mgf 。膜的微结构、光学常数以及应力特性。 |
| 8. | The transient cfd simulation including the spiral case , stay vane , guide vane , runner vane and draft tube at different operation points is studied fitly , then the result of the pressure distribution on runner blade is provided for the runner transient structural simulation by fluid - structure interaction ( fsi ) method
文中首先对高水头小负荷的涡带工况下混流式水轮机内流场进行非定常cfd计算，得到涡带工况下叶片表面不同时刻的水压力载荷，并利用流固耦合方法对转轮进行结构场瞬态特性计算，分析转轮叶片的动应力特性。 |
| 9. | The relations between the mode frequency , static characteristic and the framework parameters are studied . a two dimension crossed symmetric cantilever flexure hinge is investigated using finite elements method . the simulation of the mode frequency and the study of the relation between the displacements and the stress indicate that this flexure hinge has good flexibility and linearity between the displacement and the maximum stress
研究了二维复合式悬臂梁柔性铰链模态频率、静态特性与铰链结构参数之间的关系；建立了结构参数和力学特性西北工业大学博士论文之间的对应关系;研究了基于复合式悬臂梁柔性铰链的二维十字对称柔性铰链结构，对其模态频率以及位移应力特性进行仿真试验;结果表明此种结构形式的运动对称性很好;其驱动位移与结构体最大拉压应力值之间接近线性关系，而且这种结构可以得到100林m以上的运动位移。 |
| 10. | In this paper , at first the cfd simulation including the spiral case , stay vane , guide vane , runner vane and draft tube at different operation points is studied , then the result of the pressure distribution on runner blade is provided for the runner structural simulation by fluid - structure interaction ( fsi ) method
本文首先对混流式水轮机全流道内流场进行了多工况的cfd计算，得到不同工况下转轮叶片表面水压力载荷，并利用顺序流固耦合方法对转轮在各种工况下的应力特性进行计算。 |
