 Papers | Conferences | Technical Reports | Presentations Journal PapersLee, H.K.; Simunovic, S.,2006. " Prediction of crack evolution and effective elastic behavior of damage-tolerant brittle composites " Computer Methods in Applied Mechanics and Engineering , Vol. 196, no.1-3, pp.118-133. Lee, H.K.; Simunovic, S.; Shin, D.K.,2004." A computational approach for prediction of the damage evolution and crushing behavior of chopped random fiber composites " Computational Materials Science, Vol. 29, no.4, pp.459-474. Jacob, G. C.; Starbuck, J. M.; Fellers, J. F.; Simunovic, S.; Boeman, R. G.; " Crashworthiness of various random chopped carbon fiber reinforced epoxy composite materials and their strain rate dependence " Journal of Applied Polymer Science Vol. 101, no. 3, pp. 1477-1486, 2006 Jacob, G. C.; Starbuck, J. M.; Fellers, J. F.; Simunovic, S.; Boeman, R. G.; " Fracture toughness in random-chopped fiber-reinforced composites and their strain rate dependence " Journal of Applied Polymer Science Vol. 100, no. 1, pp. 695-701, 2006 Jacob, G. C.; Starbuck, J. M.; Fellers, J. F.; ; Simunovic, S.; " Effect of fiber volume fraction, fiber length and fiber tow size on the energy absorption of chopped carbon fiber-polymer composites " Polymer Composites Vol. 26, no. 3, pp. 293-305, 2005 Jacob, G. C.; Starbuck, J. M.; Fellers, J. F.; ; Simunovic, S.; Boeman, R. G.; " The effect of loading rate on the fracture toughness of fiber reinforced polymer composites " Journal of Applied Polymer Science Vol. 96, no. 3, pp. 899-904, 2005 Jacob, G. C.; Starbuck, J. M.; Fellers, J. F.; ; Simunovic, S.; Boeman, R. G.; " Strain rate effects on the mechanical properties of polymer composite materials " Journal of Applied Polymer Science Vol. 94, no. 1, pp. 296-301, 2004 Jacob, G. C.; Fellers, J. F.; Starbuck, J. M.; ; Simunovic, S.; " Crashworthiness of automotive composite material systems " Journal of Applied Polymer Science Vol. 92, no. 5, pp. 3218-3225, 2004 Jacob, G. C.; Starbuck, J. M.; Simunovic, S.; Fellers, J. F.; " Energy absorption in glass-reinforced continuous strand mat composites " Journal of Applied Polymer Science Vol. 90, no. 12, pp. 3222-3232, 2003 Jacob, G. C.; Starbuck, J. M.; Simunovic, S.; Fellers, J. F.; " New test method for determining energy absorption mechanisms in polymer composite plates " Polymer Composites Vol. 24, no. 6, pp. 706-715, 2003 Jacob, G. C.; Fellers, J. F.; Simunovic, S.; Starbuck, J. M.; " Energy absorption in polymer composites for automotive crashworthiness " Journal of Composite Materials Vol. 36, no. 7, pp. 813-850, 2002 Jacob, G. C.; Starbuck, J. M.; Fellers, J. F.; Simunovic, S.; " Energy absorption in chopped carbon fiber epoxy composites for automotive crashworthiness " Polymer Journal Vol. 35, no. 7, pp. 560-567, 2003 Lee, H.K.; Simunovic, S., 2002. "A damage mechanics model of crack-weakened, chopped fiber composites under impact loading," Composites Part B (Engineering), Vol. 33B, no.1, pp.25-34. Lee, H.K., 2001. "A computational approach to the investigation of impact damage evolution in discontinuously reinforced fiber composites," Computational Mechanics, Vol. 27, pp. 504-512. Lee, H.K. and Simunovic, S., 2001. "A Damage constitutive model of progressive debonding in aligned discontinuous fiber composites," Int. J. Solids Structures,, Vol. 38/5, pp. 875-895.
Lee, H.K. and Simunovic, S., 1999. "Modeling of progressive damage in aligned and randomly oriented discontinuous fiber polymer matrix composites," Composites Part B: Engineering, Vol. 31, pp. 77-86. Conferences (until 2000)Lee, H.K. and Simunovic, S., 1999, "A Micromechanical constitutive model of evolutionary damage in random fiber composites," 6th International Conference on Composites Engineering, June 27-July 3, Orlando, FL., pages 451-452. Ju, J.W., Lee, H.K., and Simunovic, S., 1999, "Micromechanical damage and constitutive modeling for impact simulation of random fiber composite structures," 5th U.S. national Congress on Computational Mechanics, August 4-6, Boulder, CO., page 119. Lee, H.K. and Simunovic, S., 1999, "Damage and impact simulation of randomly oriented, chopped fiber composites for automotive applications ," SAMPE-ACCE-DOE Advanced Composites Conference, September 27-28, Detroit, MI., pages 196-205. Lee, H.K. and Simunovic, S., 1999, "Constitutive modeling for impact simulation of random fiber composites," International Mechanical Engineering Congress & Expositions, The Winter Meeting of ASME, November 14-19, Nashville, TN. Lee, H.K. and Simunovic, S., 2000, "Modeling of progressive crushing in discontinuous carbon fiber polymer matrix composites for automotive applications," 2000 Future Car Congress, April 2-6, Arlington, VA. Lee, H.K., Simunovic, S., and Ju, J.W., 2000, "Modeling of progressive crushing in aligned and randomly oriented chopped fiber polymeric composite," International Conference on Computational Engineering Science, August 21-25, Los Angeles, CA. Starbuck, J.M., Simunovic, S. Jacob, G.C., 2000, "Test methodologies for determining energy absorbing mechanisms of automotive composite material systems," 2000 Future Car Congress, April 2-6, Arlington, VA. M. Botkin, N. Johnson, E. Zywicz S. Simunovic, 1998, "Crashworthiness Simulation of Composite Automotive Structures," 13th Annual Engineering Society of Detroit Advanced Composites Technology Conference and Exposition, September 28-29, 1998 Detroit, MI.
Technical ReportsLee, H.K. and Simunovic, S., 1999, "A Micromechanical Constitutive Damage Model of Progressive Crushing in Random Carbon Fiber Polymer Composites," ORNL/TM-1999/158.
PresentationsViewgraphs for the Third ACC Energy Management Research Meeting ACC Energy Management Group Meeting, 11/10/99 - PowerPoint ACC Energy Management Group Meeting, 11/10/99 - PDF Viewgraphs for the Fourth ACC Energy Management Research Meeting - Modeling Viewgraphs for the Fourth ACC Energy Management Research Meeting - Experiments |