分岔的

The practical reinforced supporting range was proposed according to the mechanical behavior in bifurcate section of plane bifurcate tunnel.

从平面分岔隧道分岔段力学行为的角度提出切实可行的加强支护范围。

We also discussed the period-doubling bifurcation cascades in these systems, and found very unique and rich bifurcation sequences.

我们还对这些系统中的倍周期分岔做了讨论，发现了非常特殊、丰富的倍周期分岔序列。

The deterministic neuronal firing model could simulate only the period adding bifurcation scenario in which period n bursting was changed into period n+1 bursting directly. The period adding bifurcation scenario and the new firing pattern similar to the experiment could be simulated in the stochastic Chay model.

确定性神经放电理论模型只能模拟周期n节律直接到周期n+1节律的加周期分岔序列；而随机Chay模型可以模拟实验中的加周期分岔过程和新节律。

By means of singularities theory,four kinds of transition set s and diagrams of codimension five are acquired.

应用奇异性理论分析方法对系统主参数共振的分岔方程进行了奇异性分析，得到了余维5四种不同情况的转迁集与分岔图。

First we use the method of multiple scales tostudy local bifurcations of this system and obtain transition sets and bifurcating responsecurves.Then we use theory of normal form and universal unfolding and Melnikov'smethod to study further degenerate bifurcations of codimension two and globalbifurcations.

然后利用规范形理论、普适开折理论和Melnikov方法进一步研究了余维2退化分岔和全局分岔，并且获得了一些有意义的结果，提出了不完全普适开折的问题。

The aim of this paper is to demonstrate the use of the open loop control to change the nonlinear system parameters in order to obtain a desired equilibrium bifurcation diagram.

利用开环控制来改变非线性系统的分岔参数，使之获得理想的平衡点分岔图。

The Zero-time discontinuity mapping is deduced in detail and the compound piecewise smooth map of corner-collision bifurcation is given.

数值结果表明该非光滑系统中存在周期运动的鞍结分岔和角点碰撞分岔现象。8。

And the stationary point was found to be a saddle point.

提出了识别和计算极限诱导分岔点和鞍结分岔点的2阶段混合算法。

Analog to the discontinuous bifurcation analysis for classic elasto-plastic theory by Ottosen and Runesson et al, the sufficient and necessary conditions of weak discontinuity and strong discontinuity localization bifurcation for the strain-gradient-enhanced-damage model are obtained.

借鉴Ottosen和Runeson等的弹塑性模型不连续局部化分岔方法，对应变梯度损伤模型推导出与梯度相关的强不连续和弱不连续局部化分岔充要条件。

Theoretical analysis and numerical results show that a steady positive period-1 solution bifurcates from the semi-trivial periodic solution through a transcritical bifurcation.

数值模拟显示，随着控制参数的变化，正周期-1解通过倍周期分岔出正周期-2解，再通过一系列倍周期分岔通向混沌。

Do not gum up the work by telling mother what we are going to do .

别告诉母亲我们要干的事，那会把事情搞糟的。

In recent years, application of the partial prestressed concrete beam s is developed.

近年来，随着部分预应力砼梁应用的推广，发现我国规范所采用的名义拉应力法的计算结果不稳定。