| 1. | Two proof methods of lower bound theorem of least singular value of nonsingular 矩阵最小奇异值的下界定理的两种证明方法 |
| 2. | Large - scale optimization and its application to upper bound theorem using kinematical element method 大规模优化及其在上限定理有限元中的应用 |
| 3. | Finite element method of upper bound theorem based on the generalized plastic theory and its application 基于广义塑性理论上界法的有限元法及其应用 |
| 4. | Limit analysis and calculation for bucket foundation embedded in soft clay based on the upper - bound theorem 软黏土中桶形基础的上限法极限分析模型及其计算 |
| 5. | Analytical solution of bearing capacity of circular shallow foundations using upper - bound theorem of limit analysis 圆形浅基础地基承载力极限分析的上限解析解 |
| 6. | A model is erected for fs with logarithmic spiral sliding surface which can simulate the genuine sliding surface better than others , then the express of fs is deduced based on the upper bound theorem of limit analisis 采用对实际滑裂面模拟较好的对数螺旋曲线滑裂面,建立了整体稳定安全系数f _ c的模型,从极限分析中的上限理论推导了整体稳定安全系数f _ c的表达式。 |
| 7. | The optimal course is automatically implemented with matlab . the cusp catastrophe model is established by means of the upper bound theorem of plastic limit theory . the characteristic formula of the failure of slope is also deduced 根据分析边坡稳定性的塑性极限方法的上限理论建立了边坡失稳尖点突变模型,并得出边坡突发式滑坡的特征关系式,用突变理论对非饱和土边坡稳定进行了初步研究。 |
| 8. | Because the kinematically - admissble cyclic strain rate field required in kninematical - type theorem of shakedown analysis is rather difficult to be constructed , shakedown analysis based on kinematcal theorem cannot be directly applied . some conditions of kinematical - type shakedown theorem are released by ksnig and then the shakedown rules respectively for alternating plasticity and incremental collapse are obtained , for the numerical method based on the upper - bound theorem is formulated 两种方法的特点是:运用一种分级循环加载方式来寻找机动许可的塑性应变率场,利用这两种机动安定准则的特点来判断结构的安定性,从而得到机动安定性分析的安定载荷。 |