| 1. | The dynamic characteristics of structure were calculated and tested . the simulation system was developed with which the seismic responses of the tall building with podium structure using mr single damper / multiple mr dampers were simulated 设计和制作了mr阻尼器耦联的带裙房高层建筑的试验结构模型,对结构模型的动力特性进行了理论计算与实时测试。 |
| 2. | The semi - active logic control algorithm was proposed , which includes six kinds of semi - active logic control method . they are the semi - active logic control method a , b and c for single mr damper , the semi - active logic control method d , e and f for multiple mr dampers . a series of numerial simulation and experimental investigations on the seismic responses of the tall building with a podium structure using single damper / multiple mr dampers were first carried out on the seismic simulator in the hong kong polytechnic university on 2002 - 2003 针对带裙房高层建筑地震反应的鞭梢效应问题,以瞿伟廉教授和徐幼麟教授提出的“ er mr智能阻尼器耦联的带裙房高层建筑结构地震反应的半主动控制”理论为起点,采取理论分析、计算机仿真和地震模拟振动台试验等研究手段,首次将基于泛布尔代数的逻辑控制方法引入结构控制领域,提出了半主动逻辑控制方法,包括单mr阻尼器半主动逻辑控制a 、 b 、 c和多mr阻尼器半主动逻辑控制d 、 e 、 f等六种。 |
| 3. | Analysis of prototype with frame - bent in the longitudinal direction and frame - shear wall in the transverse direction under the earthquake with peak acceleration 50gal . is conducted . . the following subjects are concerned : the dynamic properties , the torsional effect on the structure , split lever influence on the distribution of the shear forces in the columns , the mechanic of the frame corporation with the bent 在试验研究的基础上,对横向框排架、纵向框架?剪力墙结构的整体厂房进行平扭耦联的地震反应分析,研究了该类结构的动力特性、扭转对整体结构受力的影响、层间变形及扭转效应、框架与排架的内力分配、错层对该层各柱剪力分配的影响、相应的简化计算方法等相关内容供设计时参照。 |
| 4. | In the paper , river and the downstream area of dike are regarded as a whole system , and hydraulic model of coupling 1 - d river and gradual dike - break is established , therein the preissmann implicit difference scheme is applied to main river , and the fvm ( finite volume method ) is applied to the breach and polder 本文将河道与堤坝下游区域视为一个整体,对于单一河道采用preissmann四点隐式差分格式计算,对于溃口及圩区采用有限体积法,建立了一维河道与堤坝渐溃耦联的水力模型,也是一维、二维耦合的水流模型。 |
| 5. | In this thesis , the dynamic models of a specific precise instrument in spacecraft are established and an active vibration isolation system based on piezoelectric intelligent structures is constructed . theoretical analysis and numerical simulation on this system has been carried out . piezoelectric intelligent structure is applied to civil engineering . the piezoelectric intelligent control devise is used for the control of translation - torsion coupling responses of multi - story frame structure suffered from earthquake 本文还将压电智能结构主动隔振的理论和控制方法应用到土木工程领域,利用一类压电材料控制器对平移-扭转耦联的框架结构进行了主动隔震,仿真结果显示:结构各层的平移和扭转均得到显著减小,表明将智能结构系统用于结构地震反应主动控制中的可能性。 |
| 6. | Now , simplified calculating methods of vertical frame and horizontal framed bent for plate structure are mostly used in this structure design . for the complex distribution of quality and rigidity of this structure , the calculating method of space turning coupled pair should be considered as a complemental checking calculation for this kind of irregular structure 该类结构设计目前大多采用纵向框架、横向框排架的平面结构简化计算方法,由于该类结构质量和刚度分布复杂,对于此类不规则结构尚应采用考虑空间扭转耦联的计算方法进行补充验算。 |
| 7. | Associated with the project of numerical modeling of hydraulics and water quality in hongzehu river networks in the north of jiangsu province , which founded by the department of environment of jiangsu government , two models of water quantity and water quality are developed . on the basis of the results from the numerical simulation , the assimilation capacity of the hongzehu river networks are studied 本文结合江苏省环保厅的“江苏省水环境容量研究”课题,对江苏北部洪泽湖及周边河网水系建立了河网与湖泊耦联的水力?水质模型,并在湖泊水系的水量、水质数值模拟的基础上,对该水系的水环境容量进行了研究。 |
| 8. | ( 5 ) the piezoelectric intelligent control devise is used for the control of translation - torsion coupling responses of multi - story frame structure which is suffered from earthquake . the results of an example illustrate that this intelligent control devise can effeiciently reduce the structual translation - torsion coupling responses induced by earthquake ( 5 )利用一类压电材料控制器对平移-扭转耦联的框架结构进行了主动隔震研究,并对其进行了仿真分析,结果显示出良好的隔震效果和应用前景。 |
| 9. | The response of the structures will be translational as well as torsional because of the asymmetric - plan that caused by the irregular distribution of the mass and the stiffness so that the center of the inertia force and the resistant force will be unlined . the torsional coupling response will induce the structure ' s dimensional effects that are not easy to be resolved in the two dimensions 由于结构楼层中的质量和刚度等分布的不规则,造成楼层的质量中心和刚度中心不重合,从而使得在地震作用下结构各楼层受到的惯性力与楼层抗力不共线,结构将会在不同程度上表现为平动与扭转耦联的变形特征。 |