Challa, V. and K.A. Issen, “Third Invariant Dependent Single Yield Surface Model and Localization Conditions for High Porosity Sandstone,” International Journal of Numerical and Analytical Methods in Geomechanics, submitted 2006.
Issen, K.A. and V. Challa, “Influence of the Intermediate Principal Stress on the Strain Localization Mode in Porous Rock,” Journal of Geophysical Research, in review 2005.
Issen, K.A., J.P. Ingraham and A.J. Howard, “Experimental and Theoretical Examination of Localized Compaction with Shear in Aluminum Foam,” International Journal of Plasticity, in revision 2006.
Challa, V. and K.A. Issen, “Modeling Material Behavior of High Porosity Sandstone With a Two-Yield Surface Constitutive Model,” Journal of Engineering Mechanics, in revision 2006.
Werther, D.J., A.J. Howard, J.P. Ingraham and K.A. Issen, “Characterization and Modeling of Strain Localization in Aluminum Foam Using Multiple Face Analysis,” Scripta Materialia, Vol. 54, pp. 783-787, 2006.
Issen, K.A., and V. Challa, “Strain Localization Conditions in Porous Rock under Axisymmetric Loading,” in SP245 High-Strain Zones: Structure and Physical Properties, D. Bruhn and L. Burlini, Eds., Geological Society of London Special Publications, ISBN 1-86239-178-5, in press 2005.
Issen, K.A., T.P. Casey, D.M. Dixon, M.C. Richards and J.P. Ingraham, “Characterization and Modeling of Localized Compaction in Aluminum Foam,” Scripta Materialia, Vol. 52, pp. 911-915, 2005.
Challa, V. and K.A. Issen, “Conditions for Localized Compaction of Porous Granular Materials,” Journal of Engineering Mechanics, Vol. 130, No. 9, pp. 1089-1097, 2004.
Issen, K.A., “The Influence of Constitutive Models on Localization Conditions for Porous Rock,” Engineering Fracture Mechanics, Vol. 69, pp. 1891-1906, 2002.
Issen, K.A. and J.W. Rudnicki, “Theory of Compaction Bands in Porous Rock,” Physics and Chemistry of Earth, Part A, Vol. 26, pp. 95-100, 2001.
Issen, K.A. and J.W. Rudnicki, “Conditions for Compaction Bands in Porous Rock,” Journal of Geophysical Research, Vol. 105, No. B9, pp. 21529-21536, 2000.
Bekker, A., L.C. Brinson, K. Issen, “Localized and Diffuse Thermoinduced Phase Transformation in 1D Shape Memory Alloys,” Journal of Intelligent Material Systems and Structures, Vol. 9, No. 5, pp. 355-365, 1998.
Issen, K.A. and V. Challa, “Constitutive Models and Strain Localization Conditions for Porous Sandstone,” 11th International Conference on Fracture, 2005.
Issen, K.A. and J.P. Ingraham, “Inhomogeneous Compaction Deformation Modes in Aluminum Foam.” 11th International Plasticity Symposium, 2005.
Challa, V. and K.A. Issen, “Localized Deformation in Bentheim Sandstone: Theoretical Predictions and Experimental Observations,” 17th ASCE Engineering Mechanics Conference Proceedings, 2004.
Issen, K.A., J. Richardson and P. S. Steif, “Probing Conceptual Knowledge of Students in Strength of Materials,” 17th ASCE Engineering Mechanics Conference Proceedings, 2004.
Issen, K.A. and V. Challa, “Theoretical Modeling of Localized Deformation Structures in Porous Sandstone,” American Association of Petroleum Geologists Annual Meeting Proceedings, 2004.
Issen, K.A. and V. Challa, “Conditions for Dilation Band Formation in Granular Materials,” 16th ASCE Engineering Mechanics Conference Proceedings, 2003.
Vajdova, V., T.-f. Wong, D. E. Farrell, V. Challa and K.A. Issen, “Experimental Observation and Numerical Simulation of Initiation and Propagation of Compaction Bands in a Sandstone,” 16th ASCE Engineering Mechanics Conference Proceedings, 2003.
Challa, V. and K.A. Issen, “Conditions for Localized Compaction of Porous Granular Materials,” 15th ASCE Engineering Mechanics Conference Proceedings, 2002.
Issen, K.A., B. Kinsey, L.C. Brinson, L.J. Broadbelt, “Preparing Future Faculty: A Professional Development Series,” Proceedings of the 2001 American Society for Engineering Education Annual Conference, 2001.