Yu-Shu Wu
Staff Scientist

Hydrogeology Department

Phone: 510-486-7291
Fax: 510-486-5686
Email: yswu@lbl.gov

 

 
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Yu-Shu Wu

Selected Publications

Journal Articles:

  1. Ye, Ming, Feng Pan, Yu-Shu Wu, Bill (Xiaolong) Hu, Craig Shirley, and Zhongbo Yu, “Assessment of Radionuclide Transport Uncertainty in the Unsaturated Zone of Yucca Mountain,” LBNL-59118,  Advances in Water Resources, Vol. 30, pp.118-137, 2007.
  2. Wu, Y. S., “An Integrated Methodology for Characterizing Flow and Transport Processes in Fractured Rock,” LBNL-63411, Journal of China University of Geosciences,Vol. 18, Special Issue, pp.110-111, June, 2007
  3. Yu-Shu Wu, Guoping Lu, Keni Zhang, L. Pan, and G. S. Bodvarsson, “Analyzing Unsaturated Flow Patterns in Fractured Rock Using an Integrated Modeling Approach,” LBNL-54006, Hydrogeology Journal, Vol. 15, pp.553-572,  2007.
  4. Wu, Yu-Shu and P. A. Forsyth, “Efficient Schemes for Reducing Numerical Dispersion in Modeling Multiphase Transport through Porous and Fractured Media,” LBNL-60056, accepted for publication in journal of Vadose Zone Journal, 2007.
  5. Zhang, Keni, Yu-Shu Wu, James E. Houseworth,  “Sensitivity Analysis of Hydrological Parameters in Modeling Flow And Transport in the Unsaturated Zone of Yucca Mountain,” LBNL-59819, Hydrogeology Journal, Vol. 14, No. 8., pp. 1599-1619,2006.
  6. Zhang, Keni, Yu-Shu Wu, and Lehua Pan, “Temporal Damping Effect of the Yucca Mountain Fractured Unsaturated Rock on Transient Infiltration Pulses,” LBNL-57539, Journal of Hydrology, Vol. 327, pp.235-248, 2006.
  7. Wu, Yu-Shu, S. Mukhopadhyay , K. Zhang, and G. S. Bodvarsson, “A Mountain-Scale Thermal-Hydrologic Model for Simulating Fluid Flow and Heat Transfer in Unsaturated Fractured Rock,” LBNL-57921, Journal of Contaminant Hydrology, Vol. 86, pp.128-159,2006.
  8. Wu, Yu-Shu, Keni Zhang, and Hui-Hai Liu, “Estimating Large-Scale Fracture Permeability of Unsaturated Rock Using Barometric Pressure Data,” LBNL-57614, Vadose Zone Journal, Vol. 5,  pp.1129-1142, November, 2006.
  9. Song, Kao-Ping, Yu-Shu Wu, and Bing-Yu Ji, “A -Function Method for Estimating Residual Oil Saturation Distributions in Waterflooding Reservoirs,” LBNL-60896, Journal of Acta Petrolei Sinica, Chinese Petroleum Society, Vol. 27, No. 3, pp.91-95, 2006.
  10. Wu, Y. S. and L. Pan, “An Analytical Solution for Transient Radial Flow through Unsaturated Fractured Porous media,” LBNL-54589, Water Resources Research, Vol. 41, No.2, W02029, doi:10.1029/2004WR003107,  2005.
  11. Wu, Y. S., L. Pan, and K. Pruess, “A Physically Based Approach for Modeling Multiphase Fracture-Matrix Interaction in Fractured Porous Media,” LBNL-54749, Advances in Water Resources, Vol. 27, pp.875-887, 2004.
  12. Wu, Y. S. and J. Liu, “Integration of Perched Water and Chloride Data in Modeling Flow Processes within the Unsaturated Zone of Yucca Mountain, Nevada,” LBNL-48702, Journal of Hydraulic Research, International Association of Hydraulic Engineering and Research, Vol. 42, pp.115-120, 2004.
  13. Wu, Y. S., H. H. Liu, and G. S. Bodvarsson, “A Triple-Continuum Approach for Modeling Flow and Transport Processes in Fractured Rock,” LBNL-48875, Journal of Contaminant Hydrology, 73, pp.145-179, 2004.
  14. Pan, L. Y. S. Wu, and K. Zhang, “Flow Diversion and Focusing in Unsaturated Fractured Tuffs at Yucca Mountain, Nevada,” LBNL-49274, Vadose Zone Journal, Vol. 3, 233–246, February 2004.
  15. Wu, Y. S., G. Lu, K. Zhang, and G. S. Bodvarsson, “A Mountain-Scale Model for Characterizing Unsaturated flow and Transport in Fractured Tuffs of Yucca Mountain,” LBNL-52524, Vadose Zone Journal, Vol. 3, pp.796-805, 2004.
  16. Zhang, K, Y. S. Wu, G. S. Bodvarsson, and H. H. Liu, “Flow Focusing in Unsaturated Fracture Networks: A Numerical Investigation,” LBNL-52819, Vadose Zone Journal, Vol. 3, pp.624-633, 2004.
  17. Wu, Y. S. and L. Pan, “Special Relative Permeability Functions with Analytical Solutions for Transient Flow into Unsaturated Rock Matrix,” LBNL-50443, Water Resources Research, Vol.39, No. 4, pp.3-1–3-9, 2003.
  18. Zhang, K., Y. S. Wu and G. S. Bodvarsson, “Massively Parallel Computing Simulation of Fluid Flow in the Unsaturated Zone of Yucca Mountain, Nevada,” LBNL-48883, Journal of Contaminant Hydrology, pp.381-399, 2003.
  19. Bodvarsson, G. S., Y. S. Wu and K. Zhang, “Development of Discrete Flow Paths in Unsaturated Fractures at Yucca Mountain,” LBNL-49863, Journal of Contaminant Hydrology, Vol. 62-63, pp.23-42, 2003.
  20. Bodvarsson, G. S., E. Kwicklis, C. Shan, Y. S. Wu, “Estimation of Percolation Flux from Borehole Temperature Data at Yucca Mountain, Nevada,” LBNL-41866, Journal of Contaminant Hydrology, Vol. 62-63, pp.3-22, 2003.
  21. Liu, J, G. S. Bodvarsson, and Y. S. Wu, “Analysis of flow behavior in fractured lithophysal reservoirs,” LBNL-49870, Journal of Contaminant Hydrology, Vol. 62-63, pp.189-211, 2003. 
  22. Haukwa, C. B., Y. W. Tsang, Y. S. Wu, and G. S. Bodvarsson, “Effect of Heterogeneity in Fracture Permeability on the Potential for Liquid Seepage into a Heated Emplacement Drift of the potential Repository,” LBNL-49950, Journal of Contaminant Hydrology, pp.509-527, Vol. 62-63, 2003.
  23. Haukwa , C. B., Y. S. Wu, and G. S. Bodvarsson, “Modelling Thermal-Hydrological Responses of the Unsaturated Zone of Yucca Mountain, Nevada, to Thermal Load at the Potential Repository,” LBNL-49950, Journal of Contaminant Hydrology, Vol. 62-63, pp.529-552, 2003.
  24. Moridis, G. J., Q.-H. Hu, Y. –S. Wu, and G. S. Bodvarsson, “Preliminary 3-D Site-Scale Studies of Radionuclide Colloid Transport in the Unsaturated Zone at Yucca Mountain, Nevada,” LBNL-45876, Journal of Contaminant Hydrology, Vol. 60, pp.251-286, 2003
  25. Wu, Y. S., W. Zhang, L. Pan, L.; J. Hinds, and G. S. Bodvarsson, “Modeling Capillary Barriers in Unsaturated Fractured Rock,” Water Resources Research, Vol. 38, No. 11, 35-1–35-12, 2002
  26. Rutqvist, J. Y. S. Wu, C. F. Tsang, and G. S. Bodvarsson, “A Modeling Approach for Analysis of Coupled Multiphase Fluid Flow, Heat Transfer, and Deformation in Fractured Porous Rock,” LBNL-50138, International Journal of Rock Mechanics and Mining Sciences, Vol. 39, pp.429-442, 2002.
  27. Wu, Y. S., “Numerical Simulation of Single-Phase and Multiphase Non-Darcy Flow in Porous and Fractured Reservoirs,” LBNL-45855, Transport In Porous Media, Vol. 49, No. 2, pp.209-240, 2002.
  28. Wu, Y. S., K. Zhang, C. Ding, K, Pruess, and G. S. Bodvarsson, “An Efficient Parallel-Computing Method for Modeling Nonisothermal Multiphase Flow and Multicomponent Transport in Porous and Fractured Media,” LBNL-47937, Advances in Water Resources, Vol. 25, pp.243-261, 2002.
  29. Wu, Y. S.,  “An Approximate Analytical Solution for Non-Darcy Flow in Fractured Media,” LBNL-48197, Water Resources Research, Vol.38, No. 3, pp.5-1¾5-7, 2002.
  30. Wu, Y. S., L. Pan, W. Zhang, and G. S. Bodvarsson, “Characterization of Flow and Transport Processes within the Unsaturated Zone of Yucca Mountain,” LBNL-46572, Journal of Contaminant Hydrology, Vol. 54, pp.215-247, 2002.
  31. Wu, Y. S., “Non-Darcy Displacement of Immiscibel Fluids in Porous Media,” LBNL-45228, Water Resources Research, Vol. 37, No. 12, pp.2943-2950, December 2001.
  32. Wu, Y. S. and P. A Forsyth, “On the Selection of Primary Variables in Numerical Formulation for Modeling Multiphase Flow in Porous Media,” LBNL-44322, Journal of Contaminant Hydrology, Vol. 48(3-4), pp.277-304, 2001.
  33. Elmroth, E., C. Ding, and Y. S. Wu, “High Performance Computations for Large Scale Simulations of Subsurface Multiphase Fluid and Heat Flow Simulation,” LBNL-43383, Vol. 18 (3), Journal of Supercomputing, pp.235-258, 2001.
  34. Wu, Y. S. and K. Pruess, “Integral Solutions for Transient Fluid Flow through a Porous Medium with Pressure-Dependent Permeability,” International Journal of Rock Mechanics and Mining Sciences, Vol. 37, No. 1-2,pp.51-61, 2000.
  35. Wu, Y. S. and K. Pruess, “Numerical Simulation of Non-Isothermal Multiphase Tracer Transport in Heterogeneous Fractured Porous Media,” Advances in Water Resources, Vol. 23, pp.699-723, 2000.
  36. Wu, Y. S., “A Virtual Node Method for Handling Wellbore Boundary Conditions in Modeling Multiphase Flow in Porous and Fractured Media,” LBNL-42882, Water Resources Research, Vol. 36, N0. 3, pp.807-814, 2000.
  37. Wu, Y. S., A, Ritcey, and G. S. Bodvarsson, “A Modeling Study of Perched Water Phenomena in the Vadose Zone of Yucca Mountain,” Journal of Contaminant Hydrology, Vol. 38, NOS 1-3, pp.157-184, 1999.
  38. Wu, Y. S., C. Haukwa, and G. S. Bodvarsson, “A Site-Scale Model for Fluid and Heat flow in the Unsaturated Zone of Yucca Mountain, Nevada,” Journal of Contaminant Hydrology, Vol. 38, NOS 1-3, pp.185-215, 1999.
  39. Haukwa, C., Y. S. Wu, and G. S. Bodvarsson,  “Thermal Loading Studies Using the Unsaturated Zone Model,” Journal of Contaminant Hydrology, Vol. 38, NOS 1-3, pp.217-255, 1999.
  40. Ritcey, A. C.  and  Y. S. Wu,  “Evaluation of the Effects of Future climate change on the Distribution and Movement of Moisture in the Unsaturated Zone of Yucca Mountain, NV,”  Journal of Contaminant Hydrology,  Vol. 38 , NOS 1-3,  pp.257-279, 1999.
  41. Wu, Y. S., K. Pruess, and P. Persoff, “Gas Flow in Porous Media with Klinkenberg Effects,” Transport in Porous Media, Vol.32, pp.117-137, 1998.
  42. Wu, Y. S. and K. Pruess “A Numerical Method for Simulating Non-Newtonian Fluid Flow and Displacement in Porous Media”, Vol. 21, Advances in Water Resources, pp.351-362, 1998.
  43. Wu, Y. S., J. B. Kool, P. S. Huyakorn, and Z. A. Saleem,  “An Analytical Model for Nonlinear adsorptive Transport through Layered soils,” Water Resources Research, Vol. 33, No. 1, pp.21-29, January, 1997.
  44. Pruess, K., S. Finsterle, G. Moridis, C. Oldenburg, and Y. S. Wu, “General-Purpose Reservoir Simulator: the TOUGH2 Family,” CRC Bulletin, pp.53-57, 1997.
  45. Huyakorn, P. S., Y. S. Wu, and N. S. Park “A Multiphase Approach to the Numerical Solution of a Sharp Interface Saltwater Intrusion Problem-Reply,” Water Resources Research, Vol. 33, No. 11, pp.2619, 1997.
  46. Panday, S., Y. S. Wu, P. S. Huyakorn, S. C. Wade, and Z. A. Saleem,  “A Composite Numerical Model for Assessing Subsurface Transport of Oily Wastes and Chemical Constituents,” Journal of Contaminant Hydrology, Vol. 25 (1-2), pp.39-62, 1997.
  47. Wu, Y. S., P. A. Forsyth, and H. Jiang, “A Consistent Approach for Applying Numerical Boundary Conditions for Subsurface Flow,” Journal of Contaminant Hydrology, Vol. 23, pp.157-185, 1996.
  48. Huyakorn, P. S., Y. S. Wu, and N. S. Park “A Multiphase Approach to the Numerical Solution of a Sharp Interface Saltwater Intrusion Problem,” Water Resources Research, Vol. 32, No. 1, pp.93-102, 1996.
  49. Panday, S., P. A. Forsyth, R. W. Falta, Y. S. Wu, and P. S. Huyakorn, “Considerations for Robust Compositional Simulations of Subsurface NAPL Contamination and Remediation,” Water Resources Research, Vol. 31, No. 5, pp.1273-1289, 1995.
  50. Forsyth, P. A. Y. S. Wu, and K. Pruess, “Robust Numerical Methods for Saturated-Unsaturated Flow with Dry Initial Conditions in Heterogeneous Media,” Advances in Water Resources, Vol. 17, pp.25-38, 1995.
  51. Huyakorn, P. S., Y. S. Wu, and N. S. Park, “An Improved Sharp-Interface Model for Assessing NAPL Contamination and Remediation of Groundwater Systems,” Journal of Contaminant Hydrology, Vol. 16, pp.203-234, 1994.
  52. Huyakorn, P. S., S. Panday , and Y. S. Wu, “A Three-Dimensional Multiphase Flow Model for Assessing NAPL Contamination in Porous and Fractured Media, I. Formulation,” Journal of Contaminant Hydrology, Vol. 16, pp.109-130, 1994.
  53. Wu, Y. S., P. S. Huyakorn, and N. S. Park, “A Vertical Equilibrium Model for Assessing NAPL Contamination and Remediation of Groundwater Systems,” Water Resources Research, Vol. 30, No. 4, pp.913-927, 1994.
  54. Panday S, Y. S. Wu, and P. S. Huyakorn, “A Three-Dimensional Multiphase Flow Model for Assessing NAPL Contamination in Porous Media and Fractured Media, II. Porous Medium Simulation Examples,” Journal of Contaminant Hydrology, Vol. 16, pp.131-156, 1994.
  55. Wu, Y. S., K. Pruess, and Z.X. Chen, “Buckley-Leverett Flow in Composite Porous Media,” SPE Advanced Technology Series, Vol. 1, No. 2, pp.36-42, 1993.
  56. Pruess, K. and Y. S. Wu, “A New Semi-Analytical Method for Numerical Simulation of Fluid and Heat Flow in Fractured Reservoirs,” SPE Advanced Technology Series, Vol. 1, No. 2, pp.63-72, 1993.
  57. Wu, Y. S., K. Pruess, and P.A. Witherspoon, “Flow and Displacement of Bingham Non-Newtonian Fluids in Porous Media,” SPE Reservoir Engineering, pp.369-376, Aug. 1992.
  58. Persoff, P, K. Pruess, S. M. Benson, Y. S. Wu, C. J. Radke, and P. A. Witherspoon, “Aqueous Foams for Control of Gas Migration and Water Coning in Aquifer Gas Storage,” Energy Sources, Vol. 12, No.2, pp.479-497, 1990.
  59. Wu, Y. S., K. Pruess, and P.A. Witherspoon, “Displacement of a Newtonian Fluid by a Non-Newtonian Fluid in a Porous Media,” Research Report, LBL-27412, Lawrence Berkeley laboratory; Transport in Porous Media, Vol. 6, pp.115-142, 1991.
  60. Wu, Y. S. and K. Pruess, “An Analytical Solution for Wellbore Heat Transmission in Layered Formations,” SPE Reservoir Engineering, pp.531-538, Nov. 1990.
  61. Wu, Y. S. and K. Pruess, “A Multiple-Porosity Method for Simulation of Naturally Fractured Petroleum Reservoirs,” SPE Reservoir Engineering, Trans. AIME vol. 285, pp.327-336, Feb. 1988.
  62. Pruess, K., C. Calore, R. Celati and Y. S. Wu, “An Analytical Solution for Heat Transfer at a Boiling Front Moving through Porous Medium,” International. J. Heat and Mass Transfer, Vol. 30, No. 12, pp.2595-2602, 1987.
  63. Wu, Y. S. and J. L. Ge, “The Transient Flow in Naturally Fractured Reservoirs with Three-Porosity Systems,” Acta, Mechanica Sinica, Theoretical and Applied Mechanics, Beijing, China, Vol. 15, No. 1, pp.81-85, 1983.
  64. Ge, J. L. and Y. S. Wu, “The Behavior of Naturally Fractured Reservoirs and the Technique of Well Test Analysis at Constant Pressure Production,” J. of Petroleum Exploration & Development, Beijing, China, 1982.
  65. Ge, J. L., Z. A. Luan, and Y. S. Wu, “Filtration Model Study and Well Test Analysis of Carbonate Reservoirs with Uniform Fracture Distribution,” Symposium on Oil Field Development, Vol. 1, pp.94-106, the Chinese Petroleum Engineering Society, Beijing, China, 1982.
  66. Wu, Y. S. and J. L. Ge, “Application of the Hankel Transformation to Transient Flow Problems in Reservoirs,” J. of Southwest Petroleum Inst., Vol. 3, No. 1, China, 1982.
  67. Wu, Y. S. and J. L. Ge, “The Flow of Fluids in a Region with Variable Permeability near a Well in a Naturally Fractured Composite Reservoir,” J. of Petroleum Exploration & Development, Vol. 8, No. 4, pp.58-67, Inst. of  Petroleum Exploration & Development, Beijing, China, 1981.
  68. Wu, Y. S. and J. L. Ge, “A Study of the Transient Spherical Flow in Naturally Fractured Reservoirs,” J. of Southwest Petroleum Inst., Vol. 2, No. 1, pp.39-49, China, 1981

Books/Book Chapters:

  1. Yu-Shu Wu, “Non-Darcy Flow Behavior Near High-Flux Injection Wells in Porous and Fractured Formations,” LBNL-52541, Chapter 18 of Developments in Water Science 52, Edited by Chin-Fu Tsang and John A. Apps, Elsevier, 2005.
  2. Yu-Shu Wu, “A Unified Numerical Framework Model for Simulating Flow, Transport, and Heat Transfer in Porous and Fractured Media,” LBNL-54589, Developments in Water Science 52, Edited by Cass T. Miller, Matthew W. Farthing, William G. Gray, and George F. Pinder, Elsevier, 2004.
  3. Zhang, K, Y. S. Wu, G. S. Bodvarsson, and H. H. Liu, “Determination of Unsaturated Flow Paths in a 2-D Randomly Distributed Fracture Network,” LBNL-52192, Book Chapter of Groundwater Quality Modeling and Management Under Uncertainty, Proceedings of the Probabilistic Approaches & Groundwater Modeling Symposium held during the World Water & Environmental Resources Congress 2003, Philadelphia, PA, June 23-26, 2003. Editor: Srikanta Mishra, Published: 2003, American Society of Civil Engineers, ISBN: 0-7844-0696-0.
  4. Wu, Y. S., K. Zhang, and K, Pruess, “Massively Parallel Simulation of Flow and Transport in Porous in Variably Saturated Porous and Fractured Media,” LBNL-49407, Developments in Water Science 47, Edited by S. M. Hassanizadeh, R. J. Schotting, W. G. Gray, and G. F. Pinder, Computational Methods in Water Resources, Vol. 1, pp.289-296, 2002.
  5. Bodvarsson, G., H. H. Liu, C. F. Ahlers, Y. S. Wu, and E. Sonnenthal, “Parameterization and Upscaling in Modeling Flow and Transport in the Unsaturated Zone of Yucca Mountain,”  Chapter 11 of “Conceptual Models of Flow and Transport in the Fractured Vadose Zone,”  LBNL-43467, National Research Council, National Academy Press, Washington, pp.335-365, 2001.
  6. Wu, Y. S., “On the Effective Continuum Method for Modeling Multiphase Flow, Multicomponent Transport and Heat Transfer in Fractured Rock,” “Dynamics of Fluids in Fractured Rocks, Concepts and Recent Advances”, Edited by B. Faybishenko, P. A. Witherspoon and S. M. Benson, AGU Geophysical Monograph 122, American Geophysical Union, Washington, DC, pp.299-312, 2000.
  7. Bodvarsson, G. S., S Finsterlie, H. H. Liu, C. M. Oldenburg, K. Pruess, E. Sonnenthal, and Y. S. Wu, “Flow and Transport Modeling of the Vadose Zone,” Chapter 5 of “Vadose Zone Science and Technology Solutions,” Edited by B. B. Looney and R. W. Falta, Battelle Press, Columbus, Richland, pp.591-827, 2000.
  8. Wu, Y. S., S. Finsterle, and G. S. Bodvarsson, “Field-Scale Modeling Studies to Characterize Hydraulic Properties for Water, Air and Heat Flow in the Unsaturated Zone of Yucca Mountain,”LBNL-46574, Book Chapter, Characterization and Measurement of the Hydraulic Properties of Unsaturated Porous Media, edited by M. Th. Van Genuchten, Leij, F. J. and Wu, L., Published by the University of California, Riverside, pp.1537-1548, 1999.
  9. Wu, Y. S. and K. Pruess, “Flow of Non-Newtonian Fluids Through Porous Media,” Volume 3, Chapter 2, Advances in Porous Media, Edited by M. Y. Corapcioglu, Elsevier Science Publishers, 1997.
  10. Wu, Y. S., P. S. Huyakorn, and S. Panday, “A Numerical Model for Multiphase Flow and Transport Assessment of Migration of Petroleum Contaminants in the Subsurface,” Engineering Hydrology, Edited by Chin Y. Kuo, San Francisco, CA, pp.964-969, 1993.
  11. Park, N. S., P. S. Huyakorn, Y. S. Wu, and M. D. Barcelo, “A Sharp-Interface Salt Water Intrusion Code for Layered Aquifer Systems,” Engineering Hydrology, Edited by Chin Y. Kuo, San Francisco, CA, pp.1159-1164, 1993.

Conference Papers:

  1. Wu, Yu-Shu, Christine Ehlig-Economides, Guan Qin, Zhijiang Kang, Wangming Zhang Babatunde Ajayi, and Qingfeng Tao, “A Triple Continuum Pressure Transient Model for A Naturally Fractured Vuggy Reservoir,” LBNL-63412, SPE-110044, Prepared for presentation at the 2007 SPE Annual Technical Conference and Exhibition held in Anaheim, California, 11–14 November 2007.
  2. Qin, Lei, Wei Xiong, Jiangru Yuan, Yuquan Cui, and Yu-Shu Wu, “Analysis of Stress Sensitivity and Its Influence on Oil Production from Tight Reservoirs, ” LBNL-63410, SPE-111148,  Prepared for presentation at the 2007 SPE Eastern Regional Meeting held in Lexington, Kentucky, U.S.A., 17–19 October 2007.
  3. Wu, Yu-Shu and Guan Qin, “A Generalized Numerical Approach for Modeling Multiphase Flow and Transport in Fractured Porous Media,” Invited Presentation, Inaugural Conference on Computational Methods in Energy and Environmental Research, Sponsored by Beijing University and NSF, USA, Beijing China, July 9-12, 2007.
  4. Wu, Yu-Shu, Guoping Lu, Keni Zhang, and G. S. Bodvarsson, “An Integrated Modeling Approach for Characterizing Multiphase Flow, Chemical Transport, and Heat Transfer in Fractured Reservoirs, SPE-106996, Presented at the SPE Europec/EAGE Annual Conference and Exhibition held in London, United Kingdom, 11–14 June 2007.
  5. Zhang, K, Christine Doughty, Yu-Shu Wu, and Karsten Pruess, Efficient Parallel Simulation of CO2 Geologic Sequestration in Saline Aquifers, SPE-106026, Presented at 2007 SPE Reservoir Simulation Symposium, Houston, TX, 26-28 February, 2007.
  6. Yu-Shu Wu, Guan Qin, Richard E. Ewing, Yalchin Efendiev, Zhijiang Kang and Yulin Ren, “A Multiple-Continuum Approach for Modeling Multiphase Flow in Naturally Fractured Vuggy Petroleum Reservoirs,” LBNL-59785, International Oil and Gas Conference and Exhibition in China, Beijing, China, Dec 5-7, 2006.
  7. Kang, Zhijiang, Yu-Shu Wu, Yongchao Wu, and Jie Zhang, “Analyzing Transient Pressure Well Tests in Fractured Vuggy Carbonate Reservoirs,” SPE-102356,  Presented in the SPE Annual Technical Conference and Exhibition,  San Antonio, TX, USA, September  24-27, 2006.
  8. Yu-Shu Wu, S. Mukhopadhyay, K. Zhang, and G. S. Bodvarsson, “Modeling Coupled Processes of  Multiphase Flow and Heat Transfer in Unsaturated Fractured Rock,”  LBNL-58677, Presented at CMWR XVI - Computational Methods in Water Resources XVI International Conference, Copenhagen, Denmark, June 19-22, 2006.
  9. Kang, Zhijiang, Yu-Shu Wu, Jianglong Li, Yongchao Wu, Jie Zhang, and Guangfu Wang, “A Triple-Continuum Numerical Model for Simulating Multiphase Flow in Vuggy Fractured Reservoirs,”  LBNL-58676, Presented at CMWR XVI - Computational Methods in Water Resources XVI International Conference, Copenhagen, Denmark, June 19-22, 2006.
  10. Yu-Shu Wu, Sumit Mukhopadhyay, Keni Zhang, and G. S. Bodvarsson, “The Influence of  Proposed Repository Thermal Load on Multiphase Flow and Heat Transfer in the Unsaturated Zone of Yucca Mountain,”  LBNL-59783, Presented at the 2006 International High Level Radioactive Waste Management Conference, Las Vegas, NV, April 30 - May 4, 2006.
  11. Shen, Pingping, Bin Zhu, Xian-Bin Li, and Yu-Shu Wu, “The Influence of Interfacial Tension on Water-Oil Two-Phase Relative Permeability,” LBNL-55640, SPE-95405, prepared for presentation at the 2006 SPE/DOE Symposium on Improved Oil Recovery held in Tulsa, Oklahoma, U.S.A., April 22–26, 2006.
  12. Pan, Feng, Ming Ye, Zhongbo Yu, Yu-Shu Wu, Bill Hu, and Graig Shirley, “Uncertainty Analysis of Radionuclide Transport in the Unsaturated Zone at Yucca Mountain,” Paper No. 193-18, Presented at 2005 Salt Lake City Annual Meeting, The Geological Society of America (GSA), October 16-19, 2005.  
  13. Yu-Shu Wu and Karsten Pruess, “A Physically Base Numerical Approach for Fracture-Matrix Interaction in Fractured Reservoirs,” LBNL-55004, Submitted to the World Geothermal Congress 2005, Antalya, Turkey, April 24-29, 2005.
  14. Yu-Shu Wu and Lehua Pan, “Analytical Solutions for Transient Flow through Unsaturated Fractured Porous Media,” LBNL-54275, Proceedings of the Second International Symposium on Dynamics of Fluids in Fractured Rock, February 10-12, 2004, Editted by B. Faybishenko and P. A. Witherspoon, Earth Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA94720, USA, pp.360-366.
  15. Zhang, K., Y. S. Wu, C. Ding, and K. Pruess, “TOUGH2_MP: A parallel version of TOUGH2,” LBNL- 52508, Proceedings of TOUGH Symposium 2003, Lawrence Berkeley National Laboratory, Berkeley, CA., May 12-14, 2003.
  16. Zhang, K. Y. S. Wu, and G. S. Bodvarsson, “The use of parallel computing to simulate fluid flow in the unsaturated zone of Yucca Mountain, Nevada,” LBNL-51089, The Geological Society of America 2002 Denver Annual Meeting, Denver, CO, October 27-30, 2002.
  17. Wu, Y. S., L. Pan, J. Hinds, and G. S. Bodvarsson, “Modeling Capillary Barrier Effectss in Unsaturated Fractured Tuffs of Yucca Mountain, Nevada,” LBNL-47012, Proceedings of the Ninth International Conference of High-Level Radioactive Waste Management, Las Vegas, Nevada, April 29-May 3, 2001. 
  18. Zhang, K, Yu-Shu Wu, Karsten Pruess, Chris Ding, and Erik Elmroth, “Parallel Computing Techniques for Large-Scale Reservoir Simulation of Multi-Component and Multiphase Fluid Flow,” LBNL-46195, SPE-66343, Presented at 2001 SPE Reservoir Simulation Symposium, Houston, TX, 11-14 February, 2001.
  19. Wu, Y. S., “Numerical Simulation of Non-Darcy Flow in Porous and Fractured Media,” LBNL-45855, Geothermal Resources Council, 2000 Annual Meeting, September 24-27,  GRC Transactions, Vol. 24,  pp.641-646, 2000.
  20. Wu, Y. S., “A Virtual Node Method for Treatment of Wells in Modeling Multiphase Flow in Reservoirs,” Proceedings of the Twenty-Fourth Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, CA, pp.144-157, Jan. 25-27, 1999.
  21. Elmroth, E., C. Ding, Y. S. Wu, and K. Pruess, “A Parallel Implementation of the TOUGH2 Software Package for Large Scale Multiphase Fluid and Heat Flow,” Proceedings of Supercomputing’99, ACM, 1999.
  22. Wu, Y. S. and K. Pruess, “Integral Solutions for Transient Fluid Flow through a Porous Medium with pressure-Dependent Permeability.”  Presented at The Neville Cook Conference, Lawrence Berkeley Laboratory, October 16-127, 1998. 
  23. Wu, Y. S., C. F. Ahlers, C. Haukwa, A. Ritcey, E. Sonnenthal, and G.S. Bodvarsson, “The 3-D site-scale model – calibrations and predictions,” Proceedings of the Eighth International Conference of High-Level Radioactive Waste Management, pp.44-46, Las Vegas, Nevada, May 11-14, 1998.
  24. Wu, Y. S. and K. Pruess,  “Several TOUGH2 modules developed for site characterization studies of Yucca Mountain, TOUGH2 Workshop’ 98, Berkeley, CA., May 4-6, 1998. 
  25. Wu, Y. S. and K. Pruess, “A 3-D Hydrodynamic dispersion Model for Modeling Tracer Transport in Geothermal Reservoirs,” Proceedings of the Twenty-Third Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, CA, Jan., 1998.
  26. Wu, Y. S. and K. Pruess, “A Numerical Method for Simulating Non-Newtonian Fluid Flow and Displacement in Porous Media,” in The Numerical Methods in Water Resources, Proceedings of XI International Conference on Computational Methods in Water Resources, Cancun, Mexico, July 22-26, 1996.
  27. Wu, Y. S. and K. Pruess, “Numerical Simulation of non-Newtonian Fluid Flow and Displacement in Porous Media,” Presented at the Third SIAM Conference on Mathematical and Computational Issues in Geosciences, February 8-10, 1995, San Antonio TX.
  28. Wu, Y. S., P.S. Huyakorn, S. Panday, and N. S. Park, “A Unified Approach for Simulating NAPL Migration in the Subsurface,” Presented at SIAM Conference on Mathematical and Computational Issues in Geosciences, April 19-21, 1993, Houston TX.
  29. Wu, Y. S., J. Kool, and J. McCord, “An Evaluation of Alternative Numerical Formulations for Two-Phase Air-Water Flow Simulation in Unsaturated Soils,” Presented in the 1992 AGU Spring Meeting, Montreal, Canada, May 1992.
  30. Wu, Y. S., N. S. Park, P.S. Huyakorn, and S. Panday,  “A Comprehensive Numerical Model for Simulating the Flow of Petroleum Products and Industrial Chemicals in the Subsurface,” The 16th Annual Army Environmental R&D Symposium Proceedings, Williamsburg, VA, June, 1992.
  31. Wu, Y. S., K. Pruess, and P.A. Witherspoon, “Flow and Displacement of Bingham Non-Newtonian Fluids in Porous Media,” SPE 20051, Presented at the 1990 SPE California Regional Meeting, Ventura, CA, April 1990.
  32. Pruess, K. and Y. S. Wu, “A New Semi-Analytical Method for Numerical Simulation of Fluid and Heat Flow in Fractured Reservoirs,” 1993; SPE 18426, Presented at the 1989 10th SPE Reservoir Simulation Symposium in Houston, TX, Feb. 1989.
  33. Wu, Y. S. and K. Pruess, “An Analytical Solution for Wellbore Heat Transmission in Layered Formations,” SPE 17497, Presented at the 1988 SPE California Regional Meeting, Long Beach, CA, March 1988.
  34. Wu, Y. S. and K. Pruess, “A Multiple-Porosity Method for Simulation of Naturally Fractured Petroleum Reservoirs,” SPE 15129, Presented at the 1986 SPE California Regional Meeting, Oakland, CA, April 1986.

Research Reports:

  1. Wu, Y. S., G. Lu, K. Zhang, Y. Zhang, L. Pan, E. L. Sonnenthal, G. Zhang, H. H. Liu, J. E. Houseworth, T. Xu, C. K. Ho, and E. Hardin “UZ Flow Models and Submodels,” Research Report (AMR), LBID-2574, MDL-NBS-HS-000006, REV03, Lawrence Berkeley National Laboratory, Sandia National Laboratories,  CRWMS Lead Laboratory for Repository Systems, Las Vegas, Nevada, August, 2007.
  2. Wu, Yu-Shu, Yingqi Zhang, and James Houseworth, “Total System Performance Assessment (TSPA):  Data Input Package for Unsaturated Zone Flow Parameters and Weighting Factors (UZ-1),” Research Report (AMR), LBID-2611, TDR-TDIP-NS-000001  REV 00, Lawrence Berkeley National Laboratory, SNL, CRWMS Lead Lab for Repository System, Las Vegas, Nevada, April, 2007.
  3. Wu, Yu-Shu, Sumit Mukhopadhyay, Keni Zhang, and Yvonne W. Tsang, “A Mountain-Scale Thermal-Hydrological Model for Evaluating Repository Thermal Effects on Multiphase Flow in the Yucca Mountain Unsaturated Zone,”  Earth Sciences Division, Research Summaries 2004–2005, LBNL-59633, pp.59, 2006.
  4. Wu, Yu-Shu, Keni Zhang, and James Houseworth, “Parameter Sensitivity Analysis for Unsaturated Zone Flow,” Research Report (AMR), LBID-2583, ANL-NBS-HS-000049, REV 00, DC #44748, Lawrence Berkeley National Laboratory, BSC, CRWMS M&O, Las Vegas, Nevada, 2005
  5. Wu, Y. S., G. Lu, K. Zhang, G. Zhang, H.H. Liu, T. Xu, and E.L. Sonnenthal, “UZ Flow Models and Submodels,” Research Report (AMR), LBID-2480, MDL-NBS-HS-000006, REV01, Lawrence Berkeley National Laboratory, BSC, CRWMS M&O, Las Vegas, Nevada, 2003.
  6. Wu, Y. S. E.L. Sonnenthal, J. Rutqvist, K. Zhang, S. Mukhopadhyay, P. Dobson, And, G. Zhang, Mountain-Scale Coupled-Processes (TH/THC/THM),LBID-2521, MDL-NBS-HS-000007, Rev01, Lawrence Berkeley National Laboratory, BSC, CRWMS M&O, Las Vegas, Nevada, 12/12/ 2003.
  7. Wu, Yu-Shu, W. Zhang, and G. S. Bodvarsson, “Characterizing Flow and Transport Processes at Yucca Mountain,” Earth Sciences Division Annual Report, 1999-2000, Lawrence Berkeley National Laboratory, LBNL-47002, pp.75-76, 2001.
  8. Wu, Y. S., J. Liu, T. Xu, C. Haukwa, H. H. Liu, and C. F. Ahlers. UZ Flow Models and Submodels, Research Report (AMR) MDL-NBS-HS-000006, Lawrence Berkeley National Laboratory. Las Vegas, Nevada, CRWMS M&O, 2000.
  9. Bodvarsson et al., “Unsaturated Zone Flow and Transport Model Process Model Report,” PMR, TDR-NBS-HS-000002 REV00, Prepared for U. S. Department of Energy, Yucca Mountain Site Characterization Office, P. O. Box 30307, North Las Vegas, Nevada, 89036, 2000.
  10. Wu, Yu-Shu and K. Pruess, “T2R3D – A TOUGH2 Code for Tracer Transport in Heterogeneous Media,” Earth Sciences Division Annual Report, 1998-1999, Lawrence Berkeley National Laboratory, LBNL-43816, pp.75-76, 2000.
  11. Wu, Yu-Shu, J. Hinds, C. F. Ahlers, H. H. Liu, L.  Pan, A. Ritcey, M. Cushey, C. Haukwa, E. Sonnenthal, and G. S. Bodvarsson,  “Continual Development of the UZ Model for Yucca Mountain, Neveda, “ Earth Sciences Division Annual Report, 1998-1999, Lawrence Berkeley National Laboratory, LBNL-43816, pp.71-72, 2000.
  12. Wu, Y. S., “On the Effective Continuum Method for Modeling Multiphase Flow, Multicomponent Transport and Heat Transfer in Fractured Rock,” Research Report, Earth Sciences Division, Lawrence Berkeley National Laboratory, LBL-42720, Berkeley, CA, 1999.
  13. Wu, Y. S.,  G. S. Bodvarsson, C. F. Ahlers, A, C. Ritcey, and C. Haukwa, “UZ Flow and Transport Model for Yucca Mountain, Nevada,” Earth Sciences Division Annual Report, 1997, Lawrence Berkeley National Laboratory, LBL-42452, 1998.
  14. Wu, Y. S. and A. K. Mishra, “Modifications and additions to Selected TOUGH2 Modules,” Research Report, Earth Sciences Division, Lawrence Berkeley National Laboratory, LBL-41870, January 1998.
  15. Wu, Y. S., A. C. Ritcey, C. F. Ahlers,  J. J. Hinds,  A. K. Mishra, C. Haukwa,, T.M Bandurraga, H. H. Liu,  E. L. Sonnenthal, and G. S. Bodvarsson,  “3-D site-scale model for abstraction in TSPA-VA,” Yucca Mountain Project Milestone Report,  SLX01LB3, Lawrence Berkeley National Laboratory, Berkeley, CA., April 3, 1998.
  16. Ritcey, A. C.,  Y. S. Wu, E.L. Sonnenthal, C. Haukwa, and G.S. Bodvarsson, “Predictions of Ambient Conditions along the East-West Cross Drift using the 3-D UZ Site-Scale Model,” Yucca Mountain Project Milestone Report, Lawrence Berkeley National Laboratory, Berkeley, CA., January, 1998.
  17. Wu, Y. S., A. C. Ritcey, C. F. Ahlers, C. Haukwa, J. J. Hinds, E. L. Sonnenthal, A. K. Mishra, and G. S. Bodvarsson,  “Providing base-case flow fields for TSPA-VA: Evaluation of uncertainty of present day infiltration rates using the DKM/base-case and DKM/weeps parameter sets,” Yucca Mountain Project Milestone Report, SLX01LB2, Lawrence Berkeley National Laboratory, Berkeley, CA., December, 1997.
  18. Wu, Y. S., A. C. Ritcey, C. F. Ahlers, C. Haukwa, J. J. Hinds, E. L. Sonnenthal, A. K. Mishra, and G. S. Bodvarsson,  “Providing base-case flow fields for TSPA-VA: Evaluation of uncertainty of present day infiltration rates using the 3-D site-scale UZ flow model,” Yucca Mountain Project Milestone Report, SLX01LB1, Lawrence Berkeley National Laboratory, Berkeley, CA., November, 1997.
  19. Wu, Y. S., A. C. Ritcey, E. L. Sonnenthal, T. M. Bandurraga, C. Haukwa, J. P. Fairley, G. Chen, J. H. Li, and G. S. Bodvarsson,  “Incorporation of perched water data into the UZ site-scale model,” Yucca Mountain Project Milestone SP24UCM4, Lawrence Berkeley National Laboratory, Berkeley, CA. 1997.
  20. Wu, Y. S., A. C. Ritcey, and G. S. Bodvarsson,  “Perched water analysis using the UZ site-scale model,” Chapter 13 of “The site-scale unsaturated zone model of Yucca Mountain, Nevada, for the viability assessment,” G. S. Bodvarsson, T. M. Bandurraga and Y. S. Wu, eds., Yucca Mountain Site Characterization Project Report, LBNL-40376, Lawrence Berkeley National Laboratory, Berkeley, CA, 1997.
  21. Wu, Y. S., A. C. Ritcey, C. Haukwa, and G. S. Bodvarsson,  “Integrated 3-D site-scale flow model,” Chapter 19 of “The site-scale unsaturated zone model of Yucca Mountain, Nevada, for the viability assessment,” G. S. Bodvarsson, T. M. Bandurraga and Y. S. Wu, eds., Yucca Mountain Site Characterization Project Report, LBNL-40376, Lawrence Berkeley National Laboratory, Berkeley, CA, 1997.
  22. Wu, Y. S., C. F. Ahlers, P. Fraser, A. Simmons, and K. Pruess, “Software Qualification of Selected TOUGH2 Modules,” Research Report, Earth Sciences Division, Lawrence Berkeley National Laboratory, LBL-39490, UC-800, October, 1996.
  23. Wu, Y. S., K. Pruess, and P. Persoff, “Steady and Transient Analytical Solutions for Gas Flow in Porous Media with Klinkenberg Effects,” Research Report, Earth Sciences Division, Lawrence Berkeley National Laboratory, LBL-39499, UC-1240, October 1996.
  24. Pruess, K., A. Simmons, Y. S. Wu, and G. Moridis, “TOUGH2 software Qualification” Research Report, Earth Sciences Division, Lawrence Berkeley National Laboratory, LBL-38383, UC-814, February 1996.
  25. Wu, Y. S., G. Chen, and G. Bodvarsson, “Preliminary Analysis of Effects of Thermal Loading on Gas and Heat Flow within the Framework of LBNL/USGS Site-Scale Model,” Research Report, Earth Sciences Division, Lawrence Berkeley National Laboratory,  LBL-37729, UC-814, December 1995.
  26. Wu, Y. S. and K. Pruess, “On Verification, Use and Treatment of Non-Newtonian Behavior of the Numerical Simulator MULKOM-GWF,” Research Report, Earth Sciences Division, Lawrence Berkeley Laboratory, May 1990.
  27. Wu, Y. S., K. Pruess, and Z. X. Chen. “Buckley-Leverett Flow in Composite Porous Media,” Research Report, LBL-28937, Lawrence Berkeley Laboratory, May 1990.