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非圆弧
相关语句
  non-circular
    LOCATING NON-CIRCULAR CRITICAL SLIP SURFACES BY PARTICLE SWARM OPTIMIZATION ALGORITHM
    边坡非圆弧临界滑动面的粒子群优化算法
短句来源
    GAs for soil slope stability analysis with non-circular failure surface
    土质边坡非圆弧滑动面的遗传进化模拟
短句来源
    A NEW GLOBAL OPTIMIZATION ALGORITHM FOR ANALYSIS OF NON-CIRCULAR SLIP SURFACE
    一个新的非圆弧滑动全局最优化算法
短句来源
    A NEW GLOBAL OPTIMIZATION METHOD OF NON-CIRCULAR SLIP SURFACE FOR SLOPE STABILITY ANALYSIS
    边坡非圆弧潜在滑动面全局优化的新方法
短句来源
    Based on the principle of the general slice method,an optimum method determinating the minimum factor of safety of non-circular slip surface is proposed.
    根据条分法的分析原理,提出了确定非圆弧滑动面最小安全系数的最优化方法,编制了相应搜索最危险滑面的程序。
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  non-circular
A revolving electromagnetic actuation mechanism composed of an electromagnetic stator and an electromagnetic rotor has been developed for boring non-circular holes.
      
The purpose of this study is to make clear the behavior of swirling pipe flows with non-circular section.
      
We have investigated experimentally and numerically the swirling flows in a rectangular channel with aspect ratio of 1.3, which is one of the typical pipe flow with non-circular section.
      
Three dimensional FEM simulation for spinning of non-circular fibers
      
A finite element method is employed for a flow analysis of the melt spinning process of a non-circular fiber, a PET(polyethylene terephthalate) filament.
      
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Based on the principle of the general slice method,an optimum method determinating the minimum factor of safety of non-circular slip surface is proposed.The procedure allows location of slip surface to be iterated so that the factor of safety converges to a sufficiently small value in compatation.The method is illustrated with a numerical example.

根据条分法的分析原理,提出了确定非圆弧滑动面最小安全系数的最优化方法,编制了相应搜索最危险滑面的程序。通过实例分析表明,提出的方法适用于工程土坡的稳定性计算。

When analyze the stability of slopes, traditional methods often use suppose that the failure surface is circular or other typical functions. But because of complicated surroundings, these suppose only fit for some special questions. So this paper used GAs to search the non-circular critical failure surface, got a new optimization method for soil slopes, which is a global optimal algorithm with good character and don't depends on the shapes of slopes and the function's type.

在对边坡的稳定性进行分析评价时,传统分析方法引入了滑裂面为圆弧型的假设;也有学者将滑裂面假定为对数螺旋线型等其它函数形式。由于边坡实际情况的千差万别,这些假定只能适合于部分特殊的边坡。为此本文利用遗传进化算法来搜索模拟边坡的非圆弧型最危险滑动面,提出了一种土质边坡稳定性分析的遗传进化调优算法,它是一种全局优化分析方法。有很好的重复性。且不依赖于目标函数的性质和边坡的具体形状。

A new approach based on the method of slices to analyze the stability of slopes with non-circular slip surface is presented. Generally,when a sliding body is discretized to slices,the slices′ nodes represent the slip surface. So the basic approach of this algorithm is to move the nodes randomly and uses a non-numerical method,such as simulated annealing(SA) to induct the current surface to the most potential critical slip surface. There are several merits of this method:it doesn′t need to configure searching...

A new approach based on the method of slices to analyze the stability of slopes with non-circular slip surface is presented. Generally,when a sliding body is discretized to slices,the slices′ nodes represent the slip surface. So the basic approach of this algorithm is to move the nodes randomly and uses a non-numerical method,such as simulated annealing(SA) to induct the current surface to the most potential critical slip surface. There are several merits of this method:it doesn′t need to configure searching domains;it can figure out the shape of slip surfaces naturally even under the geometrically and geologically complicated realistic situation without presuming the surface shape previously and it performs with high efficiency since each time the change focuses on only one node. Several test problems are listed and demonstrate that this algorithm can pick out the global critical surface. It also testifies that the shape of potential failure surface can be circular arc,straight lines,or combination of them. Finally,more effective searching strategies are discussed.

提出了一种新的非圆弧滑动边坡稳定分析算法,该算法直接建立在条分法的基础上。滑坡体被离散成一系列的土条之后,滑动面变成由这些土条的节点来控制。该算法的实质是随机移动这些节点,用非数值的方法如模拟退火法使滑动面的移动向潜在的最危险滑动面移动。该算法不需要设定搜索范围,不需要假定滑面形状,能够自然算出复杂几何特征和材料特性真实边坡下最危险滑动面的形状。同时由于变换过程的局部性,计算效率大为提高。计算结果表明,该算法准确找到了全局最优解,并验证了在某些情况下滑动面为圆弧状或分段直线状,或其组合形式。

 
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