| 1. | Study on computation method for casing load induced by soft rocks 软岩层引起的套管外载计算方法研究 |
| 2. | Laboratory study of casing strength under nonuniform load 非均匀外载作用下油井套管强度特性的实验研究 |
| 3. | Displacement inverse analysis of casing external loads of creep stratum 蠕变地层套管外载计算的位移反分析法 |
| 4. | Loading and structure of shaft lining by shaft drilling in deep alluvium 深厚表土中钻井法凿井的井壁外载和结构 |
| 5. | Test method for external loading properties of fiber - reinforced thermosetting plastic pipe by parallel - plate loading 纤维增强热固性塑料管平行板外载性能试验方法 |
| 6. | Fiber - reinforced thermosetting plastic composites pipe - determination for external loading properties by parallel - plate loading 纤维增强热固性塑料管平行板外载性能试验方法 |
| 7. | Analyzing the dynamic character under no power . it includes inhere frequency , shaking model . through which . i can learn the character of the bridge crane 、分析桥机的在没有外载激励的情况下的动态特性这主要包括:固有频率、振型。 |
| 8. | On the other hand the research about dry friction system response calculation method is limited in passive control system . in this article , the precise solution to the linear quadratic optimal control system with load is analyzed firstly , and then a gradually deduced response solution method of lq control dry friction system is brought forward 另外人们对干摩擦系统响应计算方法的研究大都局限于不受外载的控制系统,本文在研究外载作用下lq控制系统riccati方程精确解法的基础上,也提出了干摩擦lq控制系统响应计算的递推求解方法。 |
| 9. | To meet this challenge , a research project was supported by ministry of communication and bv shanghai zhenhua port machinery co . . ltd . focusing on analysis of tdtcd ( traditional design theories of crane drums ) the paper has studied the impacts of features under the binding force of wire ropes , the end - plate and rope slot . this study is based not only on the thin shell theory and viscoelastic mechanics to calculate the strength and stability of drum , but also on an experiment with technology in " state of act " 本文结合交通部重点科技项目“港口起重机钢丝绳传动件高性能技术研究”和上海振华港机股份有限公司委托项目“起重机焊接卷筒极限壁厚研究” ,针对起重机卷筒传统设计方法偏于保守的情况,以薄壳理论和近代力学为基础,以现代试验技术为研究手段,对钢丝绳紧箍力作用下的外载特性、端板、绳槽等因素对卷筒强度和稳定性的影响进行了系统的理论研究,在深入开展卷筒强度、稳定性和实验模态分析等试验的基础上,提出了有别于传统方法的卷筒强度、稳定性计算方法。 |
| 10. | Involving interaction of gasket , bolts and flange rings , the load - deformation and the structural fuzzy reliability of each component are analyzed in the case of ideality , external loads and creep - relaxation respectively . and then , the sealing fuzzy reliability of the flanged connection system is researched . the function of each part of genetic algorithm is analyzed in application to nonlinear unconstrained and constrained optimization 本文将垫片、螺栓和法兰作为一个相互作用的整体,比较深入地分析了理想情况下、有外载作用及蠕变-松弛影响下,平垫片和0形圈这两种典型的火箭发动机法兰连接系统各元件的载荷与变形、元件的结构可靠度和火箭发动机法兰系统的密封可靠度。 |