| 1. | The results of earthquake time history analysis between the base - isolated structure and base - fixed structure are compared
论文对上部结构相同的隔震建筑和不隔震建筑的抗震效果进行了比较。 |
| 2. | B . structural dynamic time history analyses based on structural state equation in hamilton system are studied
2 、研究了基于hamilton体系下的结构状态方程求解结构动力学问题的数值逐步积分方法。 |
| 3. | Finally , the vibration absorption property of suspended structure is researched by using the response spectrum analysis and time history analysis
最后，对多段多层悬挂结构进行了反应谱和时程分析。 |
| 4. | A finite element ansys program used to dynamic time history analysis is developed to analyze the character of the nonlinear structure
为此,借助有限元分析软件ansys ,对一框架?剪力强结构进行非线性动力时程分析。 |
| 5. | A finite element ansys prpgram used to dynamic time history analysis was developed to analyze the character of the nonlinear structure
为此，借助有限元分析软件ansys ，对底部两层框架结构进行非线性动力时程分析。 |
| 6. | Based on the proposed in this thesis and nonlinear time history analysis , the reasonable lateral stiffness between the soft storey and neighboring storey is given
基于本文提出的模型,通过弹塑性时程分析,给出了薄弱层与相邻层合理的刚度比值。 |
| 7. | Sap2000 , a fea software , is used to conduct the finite element analysis of the structure , including static analysis , response spectrum analysis and time history analysis
用有限元分析程序sap2000对结构进行空间有限元静力分析、振型分解反应谱分析和时程分析。 |
| 8. | In time history analysis , the modification of damping matrix is presented . rayleigh damping model is adopted in main part and actual value is adopted in connected damping between main part and hanger
在时程分析中，对阻尼矩阵的形成提出了改进方法，即主体部分按瑞利阻尼模式计算，悬挂与核筒之间的联结阻尼按实际值输入。 |
| 9. | The thesis gave each of them their eight frequencies and their corresponding spatial modes and the comparison results of two model ' s modes . the structure models were also calculated with the time history analysis
本文给出了它们的前八个周期和频率及相应的空间振型，分析了各自的振型特点，并且讨论了两种计算模型的差别。 |
| 10. | To get its seismic property of annular cable - truss structure without support , time history analysis is done to show that it is not effective to control the seismic property with modifying the magnitude of pre - stress
为了考察结构的抗震性能，本文对不加支撑的内外都是圆形的结构进行了三维地震作用下的非线性动力响应时程分析。 |
