Global sensitivity analysis for a stochastic flow problem

被引：3

作者：

Kolyukhin, Dmitriy ^{[1
]}

机构：

[1] Trofimuk Inst Petr Geol & Geophys SB RAS, Akad Koptyuga Prosp 3, Novosibirsk 630090, Russia

来源：

MONTE CARLO METHODS AND APPLICATIONS | 2018年 / 24卷 / 04期

关键词：

Upscaling; Darcy law; flow modeling; lognormal random field; geological facies; Sobol indices;

D O I：

10.1515/mcma-2018-2022

中图分类号：

O21 [概率论与数理统计]; C8 [统计学];

学科分类号：

020208 ; 070103 ; 0714 ;

摘要：

The paper is devoted to the modeling of a single-phase flow through saturated porous media. A statistical approach where permeability is considered as a lognormal random field is applied. The impact of permeability, random boundary conditions and wells pressure on the flow in a production well is studied. A numerical procedure to generate an ensemble of realizations of the numerical solution of the problem is developed. A global sensitivity analysis is performed using Sobol indices. The impact of different model parameters on the total model uncertainty is studied.

引用

页码：263 / 270

页数：8

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