|
| Abstract: In this paper,first FE simulation algorithms for contact search,contact constraint,and the calculation of contact and friction loads were established based on the analysis for contact friction problem in sheet metal forming.Then the FE simulatio |
中文意思：
文摘:本文在分析了板料成形过程接触摩擦问题特点的基础上，提出了接触搜索、界面滑动约束、法向接触力以及摩擦力计算等问题的有限元模拟算法，建立了板料成形过程接触摩擦问题的有限元模拟模型，最后通过数值算例与飞机蒙皮拉形模拟试验结果的比较，验证了此模型计算精度及数值稳定性良好。 |
以下为相关句子列表(点击查看，可以看对应的解释）：
|
|
Abstract: In this paper,an orthogonal multicode wideband CDMA system modelincluding pilot channel based on chaos spreading sequences is given.Based on chaos sequences,with pilot channel inserted orthogonally,it is shown that the performance of the system
|
|
|
文摘:提出一种基于混沌序列含导频信号的宽带正交多码CDMA系统模型，利用混沌序列以及采用正交插入导频信号提高系统性能，并对此模型在衰落信道中的性能进行分析。 |
|
Abstract: In this paper,both the biological characters,ecological distribution,value of ornament and medicine,and the ways of the development and utilization of the wild herbaceous medical flowers and plants from Laoshan mountain were studied and discusse
|
|
|
文摘:研究了青岛崂山野生草本药用花卉的生物学特征、生态分布、观赏及药用价值，讨论了它们的开发利用途径，以期为青岛崂山野生草本药用花卉的合理开发和持续利用提供可靠、详实的依据。 |
|
Abstract: In this paper,by analyzing the key circuits of electronical rectification in an energy-saving lamp, the choie and design of power-switch transistor for energy-saring lamp and electronical rectification are put forward.
|
|
|
文摘:本文通过对节能灯中电子镇流器关键线路的分析，介绍了节能灯电子镇流器用功率开关晶体管的选择和设计思路。 |
|
Abstract: In this paper,conception of intelligect building and the constructive proposition are described ,application and fast development of several new techniques in intelligent building are descried in detail.
|
|
|
文摘:本文简单论述智能建筑的概念和智能建筑的建设构想，并着重论述几种新技术在智能建筑中的应用及其发展。 |
|
Abstract: In this paper,empirical Euclidean likelihood ratio statistics are constructed for parametric components in a partly linear model,and its theory asymptotic confidence regions are constructed for parametric components in a partly linear model.
|
|
|
文摘:构造了部分线性模型参数的经验欧氏似然比统计量，并讨论了它的极限分布，由此可构造部分线性模型参数的渐近置信域. |
|
Abstract: In this paper,first FE simulation algorithms for contact search,contact constraint,and the calculation of contact and friction loads were established based on the analysis for contact friction problem in sheet metal forming.Then the FE simulatio
|
|
|
文摘:本文在分析了板料成形过程接触摩擦问题特点的基础上，提出了接触搜索、界面滑动约束、法向接触力以及摩擦力计算等问题的有限元模拟算法，建立了板料成形过程接触摩擦问题的有限元模拟模型，最后通过数值算例与飞机蒙皮拉形模拟试验结果的比较，验证了此模型计算精度及数值稳定性良好。 |
|
Abstract: In this paper,geology of ore deposits,techni c al conditions,mining methods and blasting parameters of in-situ leaching uraniu m after blasting for an outcrop ore body are introduced.
|
|
|
文摘:介绍了某铀矿体原地爆破浸出的矿床地质，技术条件，采矿方法选择及爆破参数。 |
|
Abstract: In this paper,on the basis of the analysis of the risk attributes of the project cost control,the knowledge about the probability theory,linear regression and the other management theory is applied to establish the mathematical models concerned.
|
|
|
文摘:本文在对建设项目成本控制过程中的风险因素进行分析的基础上,利用概率论、线性回归和其它管理理论的有关知识建立了相关的数学模型,由此通过计算确定出项目成本控制风险管理的关键因素,并提出了相应的管理策略。 |
|
Abstract: In this paper,on the principle on modern control theory,by means of analyzing the structure and characteristic of the system safety state,the state equation and the dynamic model of the safety system was estabished.
|
|
|
文摘:以系统论、信息论、控制论为指导思想，结合安全系统工程现场实践，对开发、完善安全控制论的理论体系及其应用等方面研究成果作了简要介绍，包括安全控制论的数学模型，安全系统的控制方式，安全计量及其在安全评价等方面的应用。 |
|
Abstract: In this paper,reporter establishes a probability mod el of shaping machine to be repaired.The theory on repair ability of machine too l is discussed in detail.It approcached to a way of deciding optimum repairing p eriod,and given its calculate
|
|
|
文摘:以一牛头刨床为例，建立了其失效的概率模型，论述了机床可靠性维修的理论，探讨了机床的最佳维修周期的界定问题及计算方法。 |
|
Abstract: In this paper,rigid visco-plastic FEM technique is applied to numerically analyze the factors affecting the forming time of superplastic bulging,and the regularities of forming time affected by different factors are given by examples of constant
|
|
|
文摘:采用刚粘塑性有限元技术对超塑性胀形成形时间的影响因素进行了数值分析，以圆筒形零件的恒压和恒应变速率充模胀形为例，给出了不同因素对超塑性成形时间的影响规律，为超塑性胀形实际工艺设计提供了依据。 |
|
|
|
