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- The basis of linear fracture mechanics is the paper of Griffith which was unrecognized for thirty years. 线性断裂力学的基础是Griffith的论文,但这篇论文三十年来都没有得到承认。
- The basis of linear fracture mechanics is the paper of Griffith which was unrecognized for thirty years 线性断裂力学的基础是Griffith的论文,但这篇论文三十年来都没有得到承认。
- The FBC is a non linear system which is chaotic. 流化床燃烧系统是一个具有混沌特性的非线性动力系统;
- linear fracture mechanics 线性断裂力学
- Fracture mechanics for plates and shells II. 板壳断裂力学2。
- Modified linear elastic fracture mechanics and finite-element method are applied to determine a sufficient notch or sawcut depth to ensure controlled cracking. 根据线弹性断裂力学理论,通过有限元法计算,分析了路面参数对切缝深度的影响,确定了切缝深度与变温之间的关系。
- In this paper, hydrofracturing breakdown pressure formula is deduced with linear elastic fracture mechanics, and proved exprimentally with rock salt specimen. 本文用线弹性断裂力学理论推导出了在水力压裂情况下轴向对称裂纹钻孔的破裂压力表达式,并用岩盐试件进行了实验验证。
- NON LINEAR VOLTAGE DEPENDENT DISC HARGE RESISTORS By Power Development Co. Ltd[S]. 中国科学院等离子体物理研究所.;二滩水力发电厂励磁系统咨询报告[R]
- The present study is useful for non linear analysis,crack analysis,and overloading analysis of arch dams. 根据该模型编制了相应的程序,并对小湾拱坝进行了非线性分析、超载分析及开裂范围和开裂尺寸的研究。
- Based on the linear elastic fracture mechanics,the paper analyses the influence factors of widening pavement cracking under two load modes using the computer package ABAQUS. 基于线弹性断裂力学,使用大型有限元软件ABAQUS对加宽工程路面在2种荷载作用模式下开裂的影响因素进行了分析。
- A non linear photochromic mask layer can be utilized for super resolution optical data storage. 利用光致变色介质的非线性效应特性制成掩膜,可以实现超分辨率光存储。
- This paper analysis the limitations of traditional optimization metheods for a kind of non linear programming(NLP). 对间歇化工过程用水网络优化提出了基于非线性规划的优化设计方法。
- Meguid, S.A., Engineering Fracture Mechanics, Elsevier Applied Science, 1989. 杨卫,宏微观断裂力学,国防工业出版社,1995。
- The main idea is to make full use of the decorrelation of two complex-valued vectors in generating independent components by non linear decorrelation. 结合非正则复向量的协方差矩阵和伪协方差矩阵构造出了新的代价函数,进而提出新算法,通过复非线性不相关,从混合信号中提取出复值独立分量。
- By using the wavelet transform and the non linear optimization,we calculated parameters and determined the saltation edges of the differential ECG. 微分心电信号的突变特性反映了心肌除极波前在传播过程中的临界点现象,有可能解释心电图高频成分的成因。
- Abstract The power automatic control system on nuclear heating reactor (NHR) is a multi input &multi output non linear system. 摘要 核供热堆功率自动控制系统是一个多输入多输出的非线性系统。
- The analysis of cracking in steel bridges can usually be accomplished by using linearelastic fracture mechanics. 通常可用线弹性断裂力学进行钢桥裂纹分析。
- The stability of dissolving cavity for the low depth thin layer rock salt has been researched by the ADINA non linear finite element method. 为了延长盐矿井的寿命,避免开采带来的地面沉陷,并合理利用形成的溶腔,必须探讨岩盐水溶开采过程中影响溶腔稳定性的因素,以便即时采取有效的防治措施。
- Experimental difficulties are also compounded in solving problems in three-dimensional fracture mechanics. 用实验方法解决三维断裂力学中的问题也存在多种多样的困难。
- In this paper, the large non linear FEM software MARC be used to calculate the 3D deformed distribution of the cold roll forming machine frame, slide seat and bolster plate. 摘要以大型非线性有限元软件marc为分析工具,建立接触分析模型,对冷滚轧机床机架、滑台及垫板进行三维有限元弹性接触分析,给出机床三维变形状态的定量描述。