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Verification of an Explicitly Coupled Thermal-Phase Field-Mechanical Electromagnetic (TPME) Framework by the Method of Manufactured Solutions

机译:通过制造解决方案的方法验证明确耦合的热相场 - 机械电磁(TPME)框架

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An explicitly coupled two-dimensional (2D) multiphysics finite element method (FEM) framework comprised of thermal, phase field, mechanical and electromagnetic (TPME) equations was developed to simulate the conversion of solid kerogen in oil shale to liquid oil through in-situ pyrolysis by radio frequency heating. Radio frequency heating as a method of in-situ pyrolysis represents a tenable enhanced oil recovery method, whereby an applied electrical potential difference across a target oil shale formation is converted to thermal energy, heating the oil shale and causing it to liquify to become liquid oil. A number of in-situ pyrolysis methods are reviewed but the focus of this work is on the verification of the TPME numerical framework to model radio frequency heating as a potential dielectric heating process for enhanced oil recovery. style="font-family:Verdana;">Very few studies exist which describe production from oil shale;furthermore, there are none that specifically address the verification of numerical models describing radio frequency heating. As a result, the Method of Manufactured Solutions (MMS) was used as an analytical verification method of the developed numerical code. Results show that the multiphysics finite element framework was adequately modeled enabling the simulation of kerogen conversion to oil as a part of the analysis of a TPME numerical model.
机译:由热,相位场,机械和电磁(TPME)方程组成的明确耦合的二维(2D)多体仪有限元方法(FEM)框架由原位模拟油页岩中固体干酪原的转化为原位通过射频加热热解。作为原位热解的方法的射频加热代表了一个可稳定的增强的油回收方法,从而将目标油页岩形成的施加电电位差转化为热能,加热油页面并使其液化成为液体油。综述了许多原位热解方法,但是这项工作的重点是验证TPME数值框架,以模拟射频加热作为潜在的电介质加热过程,用于增强的采油。 非常少的研究表明来自石油页岩的生产;此外,没有专门解决描述射频加热的数值模型的验证。结果,使用制造解决方案(MMS)的方法用作开发的数字代码的分析验证方法。结果表明,多职业有限元框架是充分建模的,使Cherogen转换的模拟成为TPME数值模型的分析的一部分。

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