Unstructured Voronoi grids conforming to lower dimensional objects

RL Berge, ØS Klemetsdal, KA Lie - Computational Geosciences, 2019 - Springer
We present a novel mixed-dimensional method for generating unstructured polyhedral grids
that conform to prescribed geometric objects in arbitrary dimensions. Two types of conformity …

[PDF][PDF] Geological objects and physical parameter fields in the subsurface: a review

G Caumon - Handbook of mathematical geosciences: Fifty years …, 2018 - library.oapen.org
Geologists and geophysicists often approach the study of the Earth using different and
complementary perspectives. To simplify, geologists like to define and study objects and …

Indirect unstructured hex-dominant mesh generation using tetrahedra recombination

A Botella, B Lévy, G Caumon - Computational Geosciences, 2016 - Springer
Corner-point gridding is widely used in reservoir and basin modeling but generally yields
approximations in the representation of geological interfaces. This paper introduces an …

Unstructured gridding and consistent discretizations for reservoirs with faults and complex wells

ØS Klemetsdal, RL Berge, KA Lie, HM Nilsen… - SPE Reservoir …, 2017 - onepetro.org
This work consists of two parts. In the first part, we present new methods for generating
unstructured polyhedral grids that align to prescribed geometric objects. Control-point …

Unstructured grid generation in porous domains for flow simulations with discrete-fracture network model

SS Bahrainian, A Daneh Dezfuli… - Transport in Porous …, 2015 - Springer
In this paper, an unstructured grid generation algorithm is presented to produce two-and
three-dimensional grids in porous media with networks of discrete fractures. The proposed …

A geometry-based adaptive unstructured grid generation algorithm for complex geological media

SS Bahrainian, AD Dezfuli - Computers & geosciences, 2014 - Elsevier
In this paper a novel unstructured grid generation algorithm is presented that considers the
effect of geological features and well locations in grid resolution. The proposed grid …

Discretization and stochastic modeling

AK Turner - … : Informing sustainable human interactions with the …, 2021 - Wiley Online Library
Geological framework models integrate available observations to provide a realistic 3‐D
definition of the distribution and geometry of subsurface geological features. Geological …

An adaptive mesh refinement method for a medium with discrete fracture network: The enriched Persson's method

SC Li, ZH Xu, GW Ma, WM Yang - Finite Elements in Analysis and Design, 2014 - Elsevier
Discrete fracture network has significant effects on the thermal–hydraulic–mechanical–
chemical coupling analysis in a highly fractured medium. Due to the complex configuration …

Unstructured PEBI-grids adapting to geological features in subsurface reservoirs

RL Berge - 2016 - ntnuopen.ntnu.no
Extensive research has been done on the generation of unstructured grids in reservoir
simulation, with the aim of better representing the geology. We introduce UPR (Unstructured …

Modeling free-surface seepage flow in complicated fractured rock mass using a coupled RPIM-FEM method

W Zhang, B Dai, Z Liu, C Zhou - Transport in Porous Media, 2017 - Springer
The prediction of the free-surface seepage flow behavior in fractured rock mass is of
significance in geotechnical engineering. There are two major issues in solving the seepage …