Ahmad Ghassemi

Associate Professor and Director of PE Rock Mechanics Laboratory

George & Joan Voneiff Development Professor

Personal Webpage

501 E Richardson Building

College Station, TX 77843-3116

Phone: (979) 845-2206

e-mail: ahmad.ghassemi@pe.tamu.edu

Rock Mechanics Applied to Petroleum & Geothermal Reservoir Development,Geothermal Energy Research, Hydraulic fracture propagation modeling,Reservoir Rock Mechanics, Petrophysics, Applied Poroelasticity & Poro-thermoelaticity

• William Keeler Faculty Fellow, TAMU (2008-09)
• American Rock Mechanics Association M.S. Thesis of the Year Awarded to Andrew Nygren, 2006
• George & Joan Voneiff Development Professorship
• School of Engineering & Mines Olson Professors, 2003-2004
• University of North Dakota Graduate School Summer Professorship Award, 2000
• University of North Dakota Graduate School Summer Professorship Award, 1998
• New Faculty Scholar Award, 1997
• Oak Ridge Junior Faculty Enhancement Award 1996 (Runner-up)
• SPE Student Paper Contest, Ph.D. Division: 2nd Place, 1994
• University of Oklahoma, Petroleum & Geological Engineering: Guy M. Steele Fellow, 1993
• University of Oklahoma, Petroleum & Geological Engineering: Guy M. Steele Fellow, 1991

• Editorial Board of Geothermics
• Associated Editor in Chief, Journal of Natural Gas Science & Engineering
• Member, American Rock Mechanics Association
• Member, Petroleum Engineering Honor Society
• Member, SPE
• Advisory Board of International Conference on Rock Joints and Jointed Rock Masses, Tucson AZ, 2009

1. Simakin, A., Ghassemi, A. The Role of Magma Chamber-Fault Interaction in Caldera Forming Eruptions. Bull. Volcanology (in press).
2. Tao, Q., Ghassemi, A., 2008. Poro-thermoelastic borehole stress analysis for determination of the in-situ stress and rock strength.Geothermics (in press).
3. Zhou, X., Ghassemi, A. 2009. Finite Element Analysis of Coupled Chemo-Poro-Thermo-mechanical Effects around a Wellbore in Swelling Shale. Int. J. Rock Mech. 46, 769-778. doi:10.1016/j.ijrmms.2008.11.009.
4. Zhou, X., Ghassemi, A., and Cheng, A.H.-D. 2009. A Three-Dimensional Integral Equation Model for Calculating Poro- and Thermoelastic Stresses Induced by Cold Water Injection into a Geothermal Reservoir. Int. J. Num. Anal. Methods Geomech. DOI:10.1002/nag.
5. Ghassemi, A., *Nygren, A., Cheng, A.D.-H. 2008. Effects of heat extraction on fracture aperture: A poro-thermoelastic analysis. Geothermics, 37 (5), 525-539.
6. Ghassemi, A., *Tao, Q., Diek, A. 2009. Influence of coupled chemo-poro-thermoelastic processes on pore pressure and stress distributions around a wellbore in swelling shale. J. Pet. Science & Engrg (in presss).
7. Koshelev, V., Ghassemi, A. 2008. Wedge boundary elements for 2D problems with corner points. J. Engineering Analysis with Boundary Elements. 32, 168-175.
8. Ghassemi, A., Tarasovs, S., and Cheng, A. H.-D. 2007. A Three-Dimensional Study of the Effects of thermo-mechanical loads on fracture slip in enhanced geothermal reservoir. Int. J. Rock Mechanics & Min Sci., Vol. 44 , pp. 1132–1148.
9. Simakin, A., Ghassemi, A. 2007. The mechanics of a magma chamber-fault system in trans-tension with application to Coso. Journal of Structural Geology. 29(12), 1971-1983.
10. Ge, J., and Ghassemi, A. 2007. Pore pressure and stress distributions around an injection-induced fracture. Geothermal Resources Council Transaction.
11. Ghassemi, A., Suresh Kumar, G. 2007. Variation of Fracture Aperture and Pressure Due to Combined Heat Extraction-Induced Thermal Stress and Silica Dissolution/Precipitation, Geothermics. 36, 115–140.
12. Suresh Kumar, G. and Ghassemi, A. 2006. Spatial Moment Analysis for Non-Isothermal Quartz Transport and Dissolution/Precipitation in a Fracture-Matrix System. J. Hydrologic Engineering, 11(4), 338-346.
13. Ghassemi, A., Tarasovs, A. and Cheng, A.D.-H. 2005. Integral equation solution of heat extraction induced thermal stress in enhanced geothermal reservoirs. Int. J. Num. & Anal. Methods in Geomechanics, 29, 829-844.
14. Dobroskok, A. A., Ghassemi, A., and Linkov, A.M. 2005. Novozhilov structural criterion: an extension for numerical simulation of mode I and II crack growth and coalescence. Int. J. of Fracture. 133, 223-246.
15. Dobroskok, A. A., Ghassemi, A., and Linkov, A.M. 2005. Numerical simulation of crack propagation influenced by thermal and porous liquid stresses. Int. J. of Fracture. 134, L29-L34.
16. Suresh Kumar, G. and Ghassemi, A. 2005. Numerical modeling of non-isothermal quartz dissolution and precipitation in a coupled fracture-matrix system. Geothermics, 34, 411-439.
17. Simakin, A. & Ghassemi, A. 2005. Modeling Deformation of Partially melted Rock using a Poro-viscoelastic Rheology with dynamic power law viscosity, Tectonophysics. 397, 195-209.
18. Ghassemi, A., Zhang, Q. 2006. Poro-thermoelastic response of a stationary crack using the displacement discontinuity method. ASCE J. Engineering Mechanics, 132(1), 26-33.
19. Ghassemi, A. & Zhang, Q. 2004. A transient fictitious stress boundary element method for poro-thermoelastic media. J. Eng. Anal. Boundary Elements, 28/11, 1363-1373.
20. Koshelev, V. & Ghassemi, A. 2004. Complex variable BEM for stationary thermoelasticity & poroelasticity. J. Eng. Anal. Boundary Elements, 28/7, 825-832.