Biot willis系数

Author: hqif

August undefined, 2024

Web物理探査. Elastic coefficients in the Biot theory (Biot coefficients) for fluid-saturated porous media are expressed by conventional elastic coefficients and porosity. Practical … http://xbna.pku.edu.cn/article/2024/0479-8023/0479-8023-53-4-683.shtml

Biot孔隙介质的几个弹性系数.PDF - 原创力文档

WebFeb 10, 2024 · A proper correlation of the Biot‐Willis coefficient controlling the bulk volumetric strain is developed using the data available from various sources in a manner to meet the required endpoint‐limit conditions of the Biot‐Willis coefficient, ranging from zero to unity. The modified power‐law equation presented in this paper yields a ... WebSee Fig. 7 for the dynamic evolution of the Biot stress coefficient based on the Biot-Willis test. In the calculation of the Biot stress coefficient we use Eq. 13 and 14 with a dry plug density of ... highcharts chart events

比奥固结理论 - 百度百科

http://www.syzt.com.cn/fileSYZTJS/journal/article/syztjs/2024/2/HTML/20240218.htm WebMay 14, 2024 · The subsurface rock formations may contain predominantly the intragranular matrix porosity in the sedimentary rocks and predominantly the fracture porosity in the nonporous crystalline rocks (Brace 1980, 1984; Merriam et al. 2007).The Biot or the … WebBiot-Willis系数是热传导中的一个重要参数，用于描述固体与流体界面处的热传导过程。它是由法国物理学家Jean-Baptiste Biot和英国物理学家John Willis于1ቤተ መጻሕፍቲ ባይዱ17 … highcharts change series color dynamically

Effective-Stress Coefficients of Porous Rocks Involving

Biot willis系数

WebThe POROUS BULK MODULI option cannot be used with the porous metal plasticity material model. For cohesive elements, this option can be used in conjunction with the ELASTIC, TYPE = TRACTION option to define Biot's coefficient. There are no parameters associated with this option. Data lines to define bulk moduli. Data line for cohesive … Webper unit volume was introduced as a variable work conjugate to the pore pressure. In Biot [1955], the theory was extended to the general anisotropic elastic case. The equations …

Did you know?

WebHowever, the correlations of the Biot-Willis coefficient data of Deturnay and Chen (1993), Fabre and Gustkiewicz (1997), Cosenza et al. (2002), ... Web本申请提供一种脑环境参数确定装置、方法及电子设备，脑环境参数确定方法包括：获取脑边界条件 ...

WebBiot theory is the basis to describe wave propagation in porous media, starting with Terzaghi law, Gassmann equation, and the static approach leading to the concept of … WebBiot 理论将地震波能量的损失归因于粘性的孔隙流体和固体骨架之间的相互作用。这一理论预言了一种新的附加的压缩波的存在，这一附加的压缩波即慢 P 波，Plona(1980) 最早 …

http://www.xjishu.com/zhuanli/52/202411292081.html Web计算孔隙率. 首先计算孔隙率 por。. 在这个 2D 示例中，我们需要计算总面积和由计算域表示的面积。. 我们可以简单地把总面积作为一个变量：A_tot = L*H 来计算。. 为了确定孔隙空间的面积 A_por，我们可以在流域上对表达式 “ (1)” 进行积分。. 这可以通过使用 ...

WebA general treatment of Biot’s theory in the range of nonlinear material behaviour and large deformations can be found in Coussy [1991, 2004], where the theory is reformulated using a thermody-namics approach. Fluid inﬁltrated porous media consist of solid skeleton and ﬂuid material that occupies the porous space.

WebJan 2, 2024 · 本发明涉及勘探地球物理技术领域，特别是涉及到一种基于纵波速度计算多岩性有效应力系数的方法。背景技术Biot和Willis(1957)发现低渗透性多孔介质(例如岩石)不适合应用Terzaghi(1943)的有效应力原理，提出了修正后的有效应力原理，由此引入有效应力系数的定义，即Pe＝Pc-nPp式中：Pc是围压,Pp是孔隙 ... how far is thailand from kenyaWebAug 1, 2024 · A more practical and affordable method uses sonic log data to calculate dynamic Biot’s coefficient through the equation α= 1-K dry /K 0 (1) where K dry and K 0 are dry rock and effective mineral modulus, … highcharts calendar heatmapWeb模型中使用的参数如表2所示, 其中孔隙度、泊松比和Biot-Willis耦合系数α B 值来自Berea 砂岩。渗透率 κ 数据来自 COMSOL 说明文件 ① （① COMSOL Multiphysics, Co. Ltd., Solved with COMSOL Multiphysics 5.1, … highcharts chart heightWebAug 12, 2024 · Biot孔隙介质的几个弹性系数.PDF,高等弹性动力学第5讲 Part A Biot孔隙介质的几个弹性系数胡恒山哈尔滨工业大学航天科学与力学系 2012年10月22 日石油勘 … how far is thailandWebBiot系数的值可以用于评估多孔介质的声学导性、热导性以及能量传输方面的性质。. 此外，Biot系数还可以帮助预测材料的动态应变特性以及其对外部振动的响应。. 对于多孔介质的研究，Biot系数是一个重要的指标，并且对于工程应用具有重要的意义。. 多孔介质 ... highcharts chart redrawWebAug 1, 2024 · A more practical and affordable method uses sonic log data to calculate dynamic Biot’s coefficient through the equation α= 1-K dry /K 0 (1) where K dry and K 0 are dry rock and effective mineral modulus, … how far is thailand from englandWeb为了利用这些效应，多孔弹性多物理场接口包含一个应力张量表达式（作为体积应变的函数）和 Biot-Willis 系数。多孔介质中的急流 Brinkman 方程可用于计算多孔介质中快速流动的流体，其中驱动流动的因素是流体速度动势、压力和重力。 how far is thailand from singapore