| 1. | Equilibrium paths of macroeconomics with growth and fluctuation
宏观增长波动经济系统均衡轨道 |
| 2. | It is pointed that the thick unconsolidated layers above roof have effect on post - buckling behaviors of key stratum , the equilibrium path of roof is unstable from breaking to final subsidence
研究发现，顶板上覆厚松散沙层对关键层的后屈曲性态有影响；顶板从破断至极限下沉其平衡路径不稳定。 |
| 3. | The results indicate that the stability for bifurcation point equilibrium configuration and post - buckling equilibrium path of roof strata can be revealed and an effective method for determining displacement field of imperfection structure can be provided by using initial post - buckling theory
应用初始后屈曲理论可揭示浅埋煤层长壁开采顶板岩层的分叉点平衡构形及后屈曲平衡路径的稳定性，是确定非完善结构位移场的一种有效方法。 |
| 4. | The equilibrium path is traced using the arc - length scheme with the rigid - pin - joint model in which the spatial beam elements are used in single - layer parts and spatial truss elements are used in the double - layer parts . thus the stability behavior is summarized and the critical load is obtained . 2
本文采用钢、铰接模型，即单层部分采用空间梁单元，双层部分采用空间杆单元，应用弧长法跟踪了网壳结构的平衡路径，总结了此类网壳结构的失稳规律，并且得出了结构由单层过渡到双层时临界荷载的变化规律。 |
| 5. | The stability behavior of kiewitt ' s suspen - dome was analyzed on the initial state . by the geometrical nonlinear finite element method , the equilibrium path is traced using the cylindrical arc length technology and incremental newton - raphson method . the influence of kinds of parameters is studied
采用非线性有限元理论，结合牛顿荷载增量法和柱面弧长法的跟踪技术，对kiewitt型弦支穹顶结构进行了考虑几何非线性的全过程分析；为了掌握各个参数对静力稳定性的影响程度，进行了参数分析。 |
