| 1. | Analysis on femur stress under complex load
复杂受力下股骨应力分析 |
| 2. | Finally , the test method realizing complex loading paths and its feasibility are analyzed
最后对实现复杂加载路径的实验方法及其可行性进行了分析。 |
| 3. | Based on this comparison , formula of lifetime calculation on complex loading was derived and mean stress was considered by the formula of lifetime calculation
在此基础上导出复杂加载的寿命计算公式，并考虑平均应力影响。 |
| 4. | Therefore to carry out studies on centrifugal concrete - filled steel tubes under complex loads is of great value to popularize application of this structure
因此，对离心钢管混凝土结构在组合作用下的承载力性能研究，对于该构件的进一步推广使用具有重要意义。 |
| 5. | The fatigue alternating stress , which are highly variable in time , subject the crankshaft to very high and complex loading that induced to fatigue breakdown . the crankshaft design and manufacture must therefore precise calculations of the fatigue characteristics
柴油机球铁曲轴在工艺性和成本上占有一定的优势,通过滚压强化工艺,疲劳强度有很大程度的提高,因而在国外得到广泛应用。 |
| 6. | On the basis of expounding the effects of plastic deformation behavior and forming limit on the analysis of sheet metal forming , this paper overviews the research progress on yield criterion , hardening model , forming limit and effects of complex loading paths , and obtains that establishing the test method of complex loading paths according with sheet forming characteristics , verifying the accuracy and applicability of theoretical results , and determining the analytic description and practical criterion under complex loading paths , are main research directions in sheet metal forming
摘要本文在阐述塑性变形行为与成形极限对于解析板料成形过程的作用与意义的基础上，针对板料屈服准则、强化模型、成形极限及复杂加载路径的影响规律的研究进展进行了综述与分析，得出：建立符合实际板料成形特点的复杂加载路径的实验方法，验证理论研究结果的准确程度及适用范围，确定复杂加载路径下的解析描述及实用判据，是目前该领域主要的研究方向。 |
| 7. | Applying the tool of the wavelet theory , the complex loading signal was composed to the simple loading signal and was used in dynamic stability analysis . it was shown that there were catastrophe skip phenomena and repetitive instability phenomena in the analysis of the dynamic stability of the gerdesker doom latticed shell
应用小波理论将复杂荷载信号变成简单荷载信号并应用于结构的动力稳定性分析，通过对歌德斯克穹顶网壳结构的动力稳定性分析表明，该结构发生动力失稳时具有突变的跳跃现象，并伴有多次动力失稳发生。 |
| 8. | Finally , a correlative equation about bearing capacity of this structural member under bending and torsion is deduced , which may provide design of such structural members a valuable reference . to imitate centrifugal concrete - filled steel tubes used in real structures , three - dimension models are built up by using finite element method . the resistance performance of this structure under complex loads is studied
利用三维有限元模拟分析方法对离心钢管混凝土在弯扭组合作用、弯压组合作用、压扭组合作用下的构件弹性应力分布进行了研究，分析了离心钢管混凝土构件在组合作用下的工作机理和承载力的相关关系。 |
| 9. | In such cases , shakedown analyses are of practical significance . shakedown analyses are aimed to evaluate ultimate bearing capacity of soil structures or foundations under varied loads . shakedown theorems , which are generalizations of the limit theorems , can provide appropriate bounds of externally - applied loads for such complex loading programs
究其原因，一方面安定性分析的应用研究还不够充分，实验验证也不够多；另一方面安定性分析在处理复杂结构时的计算规模非常大，使得实际问题变得不可求解。 |
| 10. | As the result of the development of steam turbine ' s high parameter and huge capacity , we must pay more attention to the reliability design and safe operation of the equipment . to prolong component life , it is necessary to study the material ' s fatigue damage on life predicting under complex loadings
由于电厂机组正朝着高参数、大容量方向发展，这样对其热力设备和部件可靠性设计和安全性运行提出更高的要求，研究在复杂载荷下材料的疲劳损伤对延长部件使用寿命是十分必要的。 |
