| 1. | A new well logging interpretation model evaluating fracture parameter of carbonate reservoir
一种评价碳酸盐岩储层裂缝参数的测井新模型 |
| 2. | Experimental investigation and calculation on fracture parameter of rock specimens with medium or small size
岩石中小尺寸试件断裂试验及参数计算 |
| 3. | Finite element numerical analysis of fracture parameters of multiple interacting cracks in concrete
多裂纹相互作用下混凝土断裂参量的有限元数值分析 |
| 4. | The property of viscoelastic interface fracture and the calculating method of fracture parameter are investigated
研究了粘弹性界面断裂的性质和断裂参量的计算方法。 |
| 5. | The result shows that through integrated optimizing , it can confirm reasonable fracture parameters , guide field fracture design with desirable results
结果表明，通过综合优化，确定合理的裂缝参数，指导现场压裂设计，效果较好。 |
| 6. | Calculating example shows that the fracture parameters of viscoelastic interface crack have a time correlation behave , its extend is a kind of delay instability
计算表明,粘弹性界面裂纹的断裂参量表现为时间相依性,粘弹性界面裂纹的扩展一般为延迟失稳。 |
| 7. | Hi this paper , concrete specimen of the same composite in shape of three - point - bend beam and wedge splitting specimen are tried out to ascertain the influence of specimen shape upon the fracture parameters
本文采用相同组分的混凝土材料以三点弯曲梁tpb和楔入劈拉试件ws作为比较对象验证了试件形状对断裂参数的影响。 |
| 8. | The main purpose of this dissertation is to determine some of the fracture parameters of mdyb - 3 pmma and characterize its fatigue crack propagation behavior experimentally , and thereby , to offer basis to the residual life evaluation and the maintenance guideline of mdyb - 3 pmma canopy structures
通过本文的断裂参数和疲劳裂纹特性的试验研究，并建立相应的分析模型，从而为评价有机玻璃的剩余寿命，确立座舱盖航空有机玻璃使用和维护准则提供基础。 |
| 9. | This paper presents a method to calculate elastodynamic fracture parameters of surface crack by using the elastic line - spring model combined with perfect ansys software . the main content includes : the traditional line - spring model which is used in the static analysis of surface crack is extended to the dynamic case , the corresponding constitutive relations are derived and combined with the software ansys , and then the corresponding computational technique is formulated
本文将线弹簧模型与有限元软件ansys相结合，对弹性表面裂纹的动态断裂参量进行了研究，所进行的工作主要有：将传统的用于静态表面裂纹分析的线弹簧模型推广用于动态断裂分析，导出了相应的线弹簧本构关系，并与有限元( ansys )相结合，建立了相应的求解技术。 |
| 10. | Wherefore , other two energy - based fracture parameters are put forward : the stable fracture energy gfs , indicating the average energy dissipation during the crack stable propagation and the unstable fracture energy gfu , corresponding to the crack unstable fracture stage . wedge . ? splitting specimens are tested with a view to understanding those two parameters " size effect in terms of the initial crack length a0
本文提出两个能量型断裂参数即稳定断裂能g _ ( fs )和失稳断裂能g _ ( fu )分别表示裂缝稳定扩展和失稳扩展阶段的能量损耗，并采用楔入劈拉试件( ws )对这两个参数相对初始缝长_ 0的尺寸效应进行了分析。 |
