1) fold catastrophe model
折迭突变模型
1.
The fold catastrophe model of constitutive failure in compression post;
受压构件本构失稳的折迭突变模型
2.
Then it deduces the equilibrium equation for the rock beam-coal pillar system when the system deforms in a quasi-static way,which is the equilibrium equation of fold catastrophe model.
根据能量守恒原理得到的功、能增量平衡关系式,求得岩梁–煤柱系统作准静态形变时的平衡方程——折迭突变模型平衡方程;用折迭突变总势能函数所作的稳定性判别表明,岩爆前兆阶段岩梁–煤柱系统处于不稳定平衡状态;煤柱岩爆的条件是Cook刚度准则,该准则可以动态地用煤柱形变增大时所需外界的能量输入率趋于0来表示;计算了煤柱岩爆地震能释放量,阐明煤柱岩爆机制是由于岩梁弹性能释放量超过峰后软化煤柱形变所耗的能量。
3.
For simplified analytic model of rockburst in narrow coal pillar, the catastrophe model of rockburst in narrow coal pillar belongs to the fold catastrophe model and can be educed by equilibrium relation of work-energy increment from energy conservation principle.
对简化的狭窄煤柱岩爆分析模型,通过功、能增量平衡关系的途径,导出狭窄煤柱岩爆的突变模式属折迭突变模型。
2) fold catastrophe
折迭突变
1.
For the fold catastrophe model there are two equilibrium states.
尖点突变模型对同一参数最多有3个平衡状态,其中一个不稳定另两个稳定,它描述的是两个稳定平衡状态在一定条件下可以相互转换、重复的系统;折迭突变模型最多有两个平衡状态,一个稳定,一个不稳定,它描述系统不能重复的本构失稳问题。
2.
Taking into account the thickness of the sliding body,the fold catastrophe model of slope destabilization was built to analyze the starting mode of the sliding body.
将坡体视为变形体,计算了重力作用下简化坡体模型的剪切形变能,计入滑带厚度,建立斜坡失稳的折迭突变模型,对滑体启动方式进行分析。
3) fold catastrophe model
折叠突变模型
1.
Based on the expression of total potential energy function,a fold catastrophe model of circular layer-crack structure is established;the sudden change condition of gas outburst is given.
将巷道简化为圆形,并将掘进迎头视为圆形直立层裂体建立力学模型;导出了层裂体总势能函数的表达式,建立了圆形层裂体的折叠突变模型,得出了瓦斯突出起动的突变条件,并用有限元方法进行了数值模拟。
2.
Catastrophe analysis method is used to interpret ecological catastrophe phenomena and judge the state of prey population by control variable without changing,thus the fold catastrophe model with predigest parameter is obtained.
参数简化后可得到折叠突变模型。
4) folding form
折叠型突变
5) catastrophe model
突变模型
1.
The elastic incline beam catastrophe model for instability of tunnel stratiform surrounding rock;
隧道层状围岩失稳的弹性倾斜梁突变模型
2.
A catastrophe model for dynamic fracture of static loaded rock;
受静载荷作用的岩石动态断裂的突变模型
3.
The systemic and theoretical analysis of the gestation and outburst process of coal and gas outburst on an intuitive basis by setting up the cusp catastrophe model of coal and gas outburst results in the mechanism and qualification of gas outburs.
通过建立煤与瓦斯突出的尖点突变模型,较为直观的对突出的孕育过程和突出过程作出了系统的理论分析,得出了瓦斯突出启动的突变机制和突变条件,从而为煤与瓦斯突出灾害预测与防止提供了新的理论依据。
6) catastrophic model
突变模型
1.
In this paper,the mutation behavior of images was studied with catastrophic theory;the change rule of systematic state was depicted by catastrophic model.
利用突变理论研究图像的突变特性,利用突变模型描述系统状态变化的规律,通过尖点突变理论建立边缘模型,来实现有效的图像边缘检测。
2.
This paper provides the basic idea and method for the application of catastrophic model to comprehensive evaluation and evaluates the urban ecological level with the catastrophic model.
给出突变模型在综合评价应用中的基本思想和方法,并对城市生态化水平进行了评价。
3.
The authors explain the essence of nonlinear response by catastrophic model and want .
本文从尖点突变模型出发解释非线性共振现象的本质 ,并据此进一步研究水库诱发地震的机理。
补充资料：折迭扇
1.亦称"折扇"。 2.用竹木或象牙为骨﹐韧纸或绫绢为面﹐能折叠的扇子。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条