| 1. | According to the combination of suspen - dome , structural principle , characteristic and types of the structure are described 其次,根据弦支穹顶结构的构成,详细论述了弦支穹顶结构的原理、特点和分类。 |
| 2. | The study on suspen - dome was just started in recently several years and there were no comprehensively and deeply research achievements in our country 近几年我国对弦支穹顶结构的研究刚刚起步,在理论方面还没有全面、深入的研究成果。 |
| 3. | Suspen - dome is a new self - equilibrium space structure , composed of single - layer lattice shell and cable - strut tensile structure . for its novel and beautiful shape , it has a widely practical perspective 弦支穹顶结构是由上部的单层网壳结构和下部的张拉索杆体系组合而形成的新型自平衡体系,由于其造型新颖、美观,具有非常广阔的工程应用前景。 |
| 4. | Some systemic and deep research work on the theory of suspen - dome is carried out in this thesis . based on reading many literatures , developmental history and present situation of suspen - dome are described , and project applications are introduced in this thesis 首先,在大量查阅国内外文献的基础上,对弦支穹顶结构的发展历史和现状进行了描述,并扼要的介绍了其目前的工程应用。 |
| 5. | Combined the topological relation of suspen - dome and the concept of overall feasible pre - stress , by using the equilibrium matrix theory method and linear static method , the problem of distribution of initial pre - stress of suspen - dome is simplified 结合整体可行预应力的概念,并考虑结构自身的拓扑关系,采用平衡矩阵理论方法和线性静力分析法,对弦支穹顶结构的初始预应力分布的确定进行简化。 |
| 6. | In this thesis , a new method named local analysis method was presented which the whole structure is divided into two parts : the upper structure and the lower structure . the problem distribution of initial pre - stress of suspen - dome can solved by this method 提出了基于将上部单层网壳和下部索杆体系两部分结构分块的新的分析方法?局部分析法,可以解决弦支穹顶结构的初始预应力分布的确定问题。 |
| 7. | The static behavior under vertical loads of kiewitt ' s suspen - dome was analyzed on the initial state . moreover , the behavior of suspen - dome and single - layer lattice shell are compared . the influence of kinds of parameters is studied 本文对初始态下的kiewitt型弦支穹顶结构在竖向荷载作用下的静力特性进行了深入分析,并同单层网壳结构静力特性进行比较;为了掌握各个参数对静力特性的影响程度,进行了参数分析。 |
| 8. | Two - level algorithm is developed to deal with the two objective function optimal designs that are the radial constraint force and the axial force of the upper structure . corresponding program has been developed to optimize the prestress of the lamella ' s suspen - dome and kiewitt ' s suspen - dome . analysis of construction process is the key problem to suspen - dome 本文采用二级优化的步骤对径向约束反力和上部杆件轴力两个优化目标同时进行了预应力优化,并编制了相应的程序对联方型和kiewitt型弦支穹项结构进行了预应力优化设计。 |
| 9. | In this paper , the suspen - dome structure of the gymnasium for olympic badminton game in 2008 was used for example . three projects of different cable form was analyzed the static stability , overall stability and dynamical stability . in this paper , the basis of setting prestress for large span suspend - dome was discussed first 本文以我校奥运羽毛球比赛馆的弦支穹顶屋盖结构(跨度93米)为工程应用对象,采用大型通用有限元分析软件ansys ,选择不同的布索方案进行了静力、整体稳定和动力性能分析。 |
| 10. | Drawback occurred in the classical vssmc can be alleviated in the proposed control scheme because of importing the eliminating chatterer . according to the control strategy put forward above , corresponding controller for abs is designed . quarter braking vehicle model with four dof ( including vertical and longitudinal motions of body as well as vertical and spin motions of wheel ) is built considering the effects of wind resistance , longitudinal inertia forces , the vertical dynamics associated with the suspen 总之,基于车辆动力学建模,提出并探索了几种实用且具有高鲁棒性的变结构、模糊控制策略在abs 、 asr及vdsc系统中的应用,而后开发了abs的ecu原形,采用实时硬件在环仿真技术,对三种模糊控制策略进行了性能模拟。 |