| 1. | The random position of aggregate was generated by monte carlo method . furthermore , the random aggregate model was established 采用蒙特卡罗方法,产生骨料颗粒在试件中的随机位置,建立混凝土随机骨料模型。 |
| 2. | By means of the oriented object technique of vb on the window platform , a fortran program and matlab software can be called to generate and visualize the aggregate models 利用面向对象的vb语言界面编程技术,编写了实现windows视窗环境的vb程序,并在该环境下调用生成骨料模型的fortran计算程序和matlab骨料模型图形绘制程序。 |
| 3. | The insurance company can also acquire various insurance products with stochastic interest by different combinations of parameters . establish a stochastic optimization model based on aggregate model of life insurance with stochastic interest 保险公司通过参数的组合选择,得到不同的随机利率下的保险产品;同时,建立了随机优化模型。 |
| 4. | The simulation result of performance of concrete was compared with that of the experiments . furthermore , the three - dimensional random aggregate model was established and the three - dimensional mesh of simple supported beam was generated automatically 混凝土的破坏,实际上是由于其内部的微裂缝的萌生、扩展、相互汇合,进而形成宏观裂缝贯穿混凝土而导致其失稳破坏的过程。 |
| 5. | 3 aggregate model of life insurance with stochastic interest construct an aggregate model of life insurance with stochastic interest aiming at both the randomness of interest in practice and the importance of stochastic interest in life insurance 3随机利率下的综合人寿保险模型传统的精算理论中,都是假定利率是确定的,然而实际上利率具有随机性。寿险中的利率随机性是风险产生的重要因素。 |
| 6. | The details as followed : 1 . summarize and analyze the methods of meso - mechanics of concrete and researching documents on the theory of damage of concrete ; 2 . based on the packing approach of spherical aggregates , a method generating polygon aggregate model of concrete was presented , by which the codes of aggregate packing and meso - meshes of finite element plotting were designed taking into account the actual aggregate content , grading , and aggregate configuration 具体工作由以下几个方面: 1 .分析总结了混凝土细观力学分析方法和现有混凝土材料损伤破坏理论的研究成果; 2 .在研究圆形骨料投放方法的基础上,提出了一种多边形随机骨料投放方法,并编制了凸多边形模型生成程序和细观有限元剖分程序。这种生成方法所得到的凸多边形骨料模型既反映了骨料的实际形态又维持骨料的实际级配和含量。 |
| 7. | In chapter 5 , according to the characteristic in the stage of concept evaluation of product design , the quality attribute preference aggregate model which support multi - attribute and group decision is set forth . according to the model , preference aggregation method based on evidential reasoning and rough set theory and rational evaluation method of multi - attribute and multi - evaluator are put forward . consider the wave of evaluator ' s preference caused by uncertainty , robust of quality attribute and concept in the stage of concept evaluation are put forward for the first time 第五章根据产品设计方案评价的特点,提出了支持多属性群组评价的质量属性偏好聚合模型,并提出了基于证据推理与粗集理论的质量属性偏好聚合方法和理性化的偏好聚合方法;针对由不确定性引起的评价者偏好的波动,首次在方案设计阶段根据偏好波动提出了质量属性和方案鲁棒性的概念,给出了质量属性鲁棒性的数学描述和方案鲁棒性的计算方法;并且进行了实例应用。 |
| 8. | 4 the optimal insurance based on game theory study the above aggregate model of life insurance by applying the game theories . the insurance process is characterized by the game of two - person zero - sum for the first time : the existence of the optimal value of premium in the model and how to obtain the optimal value are analyzed in detail based on the game theories 4基于对策理论的最优保险将对策理论应用于保险实践中,投保过程可以由二人零和对策来描述,应用二人零和对策理论讨论模型中保险费的最优值存在性及如何得到保险费的最优解。 |
| 9. | 2 the aggregate model of life insurance establish an aggregate model of life insurance by applying the alien modernly insurance actuarial theories and techniques , including deferred life annuities , whole life insurance and returnable premiums . the model has the following properties : ( a ) through the regulation of various parameters in the model , various insurance products can be obtained ; ( b ) the introduction of whole life annuities in the model eases economic predicament when the insured retire ; ( c ) a returnable premium part in the model makes the insurance products have double functions of insurance and savings ; ( d ) an endowment insurance actuarial model also can be gotten when annuity is continuous . and construct an optimization model based on aggregate model of life insurance 这个保险精算模型具有如下性质: ( a )保险公司可以根据实际情况调整参数,不同参数的组合可以得到不同的保险产品,灵活适用性较强; ( b )年金的引入,可以缓解投保人退休后的经济窘境,避免或减小因退休而面临的经济影响,保险的社会保障性得到了很好的体现; ( c )模型中的还本部分,使得这种保险产品具有储蓄和保险的双重功能,不仅扩大了保险的社会职能,而且对于投保人来说,多了一种安全的投资选择; ( d )年金连续的情况下,建立了具有储蓄功能的养老保险精算模型。 |
| 10. | A good model of the full - grade aggregate concrete with high aggregate content is precondition to successfully execute concrete meso - mechanical simulation , so that the main work in the dissertation is focused on the following study concerning the random aggregate model of dam fully - graded concrete : ( 1 ) based on the topology of spherical aggregates , an algorithm of the random convex polyhedron aggregate model was presented considering the actual aggregate content , grading , and aggregate shape , and corresponding fortran program was developed to generate random convex polyhedron aggregate 针对全级配大坝混凝土的实际骨料含量和骨料形态,本文做了以下主要工作: ( 1 )在一种高效率生成的随机球骨料模型的基础上,形成随机凸多面体骨料模型,同时研究了细观单元属性判别方法,编制了对含有凸多面体骨料的细观区域进行结构性有限元网格剖分程序。本文给出的三维随机骨料模型算法不但考虑了混凝土的骨料的实际级配和含量,而且计及了骨料的实际形态。 |