Yu-shu Wu, Guoping Lu, Keni Zhang, G. S. Bodvarsson
ABSTRACT mountain-scale UZ flow model (Wu et al., 2003), which We present a large-scale modeling study characterizing fluid flow and tracer transport in the unsaturated zone (UZ) of Yucca Mountain,...
Modeling Hydraulic Responses to Meteorological Forcing: from Canopy to Aquifer (2008)
Pan, Lehua, Jin, Jiming, Miller, Norman, Wu, Yu-Shu, Bodvarsson, Gudmundur
An understanding of the hydrologic interactions among atmosphere, land surface, and subsurface is one of the keys to understanding the water cycling system that supports our life system on earth....
Analysis of stress sensitivity and its influence on oil production from tight reservoirs (2008)
Lei, Qun, Xiong, Wei, Yuan, Cui, Wu, Yu-Shu
This paper presents a study of the relationship between permeability and effective stress in tight petroleum reservoir formations. Specifically, a quantitative method is developed to describe the...
An Integrated Modeling Analysis of Unsaturated Flow Patterns in Fractured Rock (2008)
Wu, Yu-Shu, Lu, Guoping, Zhang, Keni, Pan, Lehua, Bodvarsson, Gudmundur S.
Characterizing percolation patterns in unsaturated zones has posed a greater challenge to numerical modeling investigations than comparable saturated zone studies, because of the heterogeneous nature...
An integrated methodology for characterizing flow and transport processes in fractured rock (2007)
To investigate the coupled processes involved in fluid and heat flow and chemical transport in the highly heterogeneous, unsaturated-zone (UZ) fractured rock of Yucca Mountain, we present an...
Efficient parallel simulation of CO2 geologic sequestration in saline aquifers (2007)
Zhang, Keni, Doughty, Christine, Wu, Yu-Shu, Pruess, Karsten
An efficient parallel simulator for large-scale, long-term CO2 geologic sequestration in saline aquifers has been developed. The parallel simulator is a three-dimensional, fully implicit model that...
Coupling TOUGH2 with CLM3: Developing a Coupled Land Surface and Subsurface Model (2006)
Pan, Lehua, Jin, Jiming, Miller, Norman, Wu, Yu-Shu, Bodvarsson, Gudmundur
Numerical issues with modeling transport of chemicals or solute in realistic large-scale subsurface systems have been a serious concern, even with the continual progress made in both simulation...
Wu, Yu-Shu, Mukhopadhyay, Sumit, Zhang, Keni, Bodvarsson, Gudmundur S.
A multidimensional, mountain-scale, thermal-hydrologic (TH) numerical model is presented for investigating unsaturated flow behavior in response to decay heat from the radioactive waste repository in...
Wu, Yu-Shu, Zhang, Keni, Liu, Hui-Hai
We present a three-dimensional modeling study of gas flow in the unsaturated fractured rock of Yucca Mountain. Our objective is to estimate large-scale fracture permeability, using the changes in...
Geothermal Reservoir Dynamics - TOUGHREACT (2005)
Pruess, Karsten, Xu, Tianfu, Shan, Chao, Zhang, Yingqi, Wu, Yu-Shu, Sonnenthal, Eric, ...
Modeling fracture-matrix interaction within a multiple-phase flow system is a key issue for fractured reservoir simulation. Commonly used mathematical models for dealing with such interactions employ...
Wu, Yu-Shu, Pan, Lehua, Pruess, Karsten
Modeling fracture-matrix interaction within a complex multiple phase flow system is a key issue for fractured reservoir simulation. Commonly used mathematical models for dealing with such...
TOUGH Symposium 2003, Proceedings 2.0 (CD-ROM) (2003)
Finsterle, Stefan, Moridis, George J., Oldenburg, Curt M., Wu, Yu-Shu
A Symposium on applications and enhancements of the TOUGH family of numerical simulators was held May 12-14, 2003, at the Lawrence Berkeley National Laboratory (Berkeley Lab). As in previous TOUGH...
Wu, Yu-Shu, Lu, Guoping, Zhang, Keni, Bodvarsson, G.S.
This paper presents a large-scale modeling study characterizing fluid flow and tracer transport in the unsaturated zone of Yucca Mountain, Nevada, the proposed underground repository site for storing...
Sun, Xiang-Jun, Lou, Yun-Li, Tian, Jun, Wu, Yu-Shu
Twenty-nine surface samples (mosses) from five vertical distribution vegetation zones in Changbai Mountain, Northeast China have been palynologically analyzed and the results were tested by...
Effect of small-scale fractures on flow and transport processes at Yucca Mountain, Nevada (2002)
Wu, Yu-Shu, Liu, H.H., Bodvarsson, G.S.
Although many conceptual models for fracture-matrix interaction have been evaluated for Yucca Mountain site-characterization studies, the most widely used model is currently based on the...
Haukwa, C.B., Wu, Yu-Shu, Bodvarsson, G.S.
This paper presents a numerical study on the response of the unsaturated zone (UZ) system of Yucca Mountain to heat generated from decaying radioactive wastes emplaced at the proposed repository. The...
Development of discrete flow paths in unsaturated fractures at Yucca Mountain (2002)
Bodvarsson, G.S., Wu, Yu-Shu, Zhang, Keni
We have carried out numerical modeling studies to investigate the development of discrete fracture flow paths and flow-focusing phenomena in the unsaturated rock of the potential repository horizon...
Analysis of flow behavior in fractured lithophysal reservoirs (2002)
Liu, Jianchun, Bodvarsson, G.S., Wu, Yu-Shu
This study develops a mathematical model for the analysis of pressure behavior in fractured lithophysal reservoirs. The lithophysal rock is described as a tri-continuum medium, consisting of...
EOS3nn: An iTOUGH2 module for non-Newtonian liquid and gas flow (2002)
Wu, Yu-Shu, Finsterle, Stefan, Pruess, Karsten
This report documents the iTOUGH2 module EOS3nn, developed for modeling two-phase isothermal flow of a non-Newtonian liquid and a non-condensible gas in multidimensional, porous and fractured...
Wu, Yu-Shu, Zhang, Keni, Pruess, Karsten
This paper describes a massively parallel simulation method and its application for modeling multiphase flow and multicomponent transport in porous and fractured reservoirs. The parallel-computing...
A triple-continuum approach for modeling flow and transport processes in fractured rock (2001)
Wu, Yu-Shu, Liu, H.H., Bodvarsson, G.S, Zellmer, K .E.
This paper presents a triple-continuum conceptual model for simulating flow and transport processes in fractured rock. Field data collected from the unsaturated zone of Yucca Mountain, a repository...
WinGridder - An interactive grid generator for TOUGH. Version 1.0. User's Manual (2001)
Pan, Lehua, Hinds, Jennifer, Haukwa, Charles, Wu, Yu-Shu, Bodvarsson, Gudmundur
Erik Elmroth, Chris Ding, Yu-shu Wu
TOUGH2 is a widely used reservoir simulator for solving subsurface flow related problems such as nuclear waste geologic isolation, environmental remediation of soil and groundwater contamination, and...
Abstract. TOUGH2 is a widely used reservoir simulator for solving subsurface flow related problems such as nuclear waste geologic isolation, environmental remediation of soil and groundwater...
Erik Elmroth, Chris Ding, Yu-shu Wu, Karsten Pruess
TOUGH2 is a widely used simulation package for solving groundwater flow related problems such as nuclear waste isolation, environmental remediation, and geothermal reservoir engineering. It solves a...
Abstract. TOUGH2 is a widely used reservoir simulator for solving subsurface flow related problems such as nuclear waste geologic isolation, environmental remediation of soil and groundwater...
Erik Elmroth, Chris Ding, Yu-shu Wu, Karsten Pruess
TOUGH2 is a widely used simulation package for solving groundwater flow related problems such as nuclear waste isolation, environmental remediation, and geothermal reservoir engineering. It solves a...
Thesis (Ph. D. in Engineering)--University of California, Berkeley, Feb. 1990.