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Pohang Earthquake, Thermalelastics among Rock Matrix zones and Mathematical Modelling

Title
Pohang Earthquake, Thermalelastics among Rock Matrix zones and Mathematical Modelling
Authors
KWEON, JAE RYONG
Date Issued
28-Jun-2019
Publisher
경기강원 영남수학회(대중강연)
Abstract
Geothermal energy production requires a high permeability heat exchange from deep hot rocks. The typical procedure locates naturally pre-existing discontinuities, such as faults and joints, and enhances heat permeability by means of hydraulic stimulation. This is a basic scenario for Enhanced Geothermal System(EGS). In this lecture I will talk about mathematical modelling equations for Thermal Variations between fracture and rock zones due to the water injection in the enhanced geothermal system(EGS). As a mechanical reason for Pohang Earthquake I emphasize that thermalelastics is an essential ingredient in causing such large magnitude of stress, because Pohang Earthquake occurred two months later after Pohang EGS stops water injection. Also I will give interface corner singularity functions from the interface and boundary value problem and discuss about increased regularity for smoother part. I will also talk about the stress variations related to the compressible Navier-Stokes flows on the polygonal domains with inflow and outflow conditions.
URI
http://oasis.postech.ac.kr/handle/2014.oak/99514
Article Type
Conference
Citation
International Conference of KangwonKyungki-Youngnam Mathematical Societies, 2019-06-28
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 KWEON, JAE RYONG
Dept of Mathematics
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