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开始采用“Finite”要素方法
原标题:Getting started with Finite Elements methods
  • 时间:2012-01-14 08:06:52
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a) 环绕石块的;问题是:

  • how to simulate fluid flow from top-side to down-side or left-side to right-side?
  • Is FEA (FEM,...) the only practical solution?
  • If so for the question above in its simplest conditions, that is, flow can happen only through fractures; no interaction between matrix and the fluid; etc etc how to have a quick simulation with FEA?
  • Is this practical someone with professionality in FEA could do this in a few minutes? Suppose there is already a suitable mesh generated.
  • If not what would you recommend to get started rapidly to be able to solve such simple cases?
  • Is there anybody having experience with similar problem (flow modeling); if so what did you use and how did you fulfilled the job?

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问题回答

Your question refers to simulation of the fluid in the porous medium, e.g. the rock.

我高度建议使用LBM,而不是FEM方法。 LBM模拟了色情媒体的流通。 物理审查 E载有关于这种做法的出版物。 更有吸引力的是,在万国邮联中,建立信任措施也可以很容易地平行。

一些数字技术可用来解决这一问题,其中某些要素可能是最常见的。 如果你拥有已经流出的流量范围(即岩石/岩石)的微薄,那么建立和管理流动模式就会非常简单,几乎没有任何CFD一揽子计划(固定成分或非部分),而且大多数接触到FLA的人应当能够这样做。 我假定,你想详细了解岩石的流流,而不是仅仅评估岩石对一些较大的流量的影响。 在后一种情况下,还有其他一些方法可以比较计算效率。

您可使用以下单维形式:。 Darcy s Law





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