Carl Wassgren

Carl Wassgren

Professor of Mechanical Engineering, by courtesy in Industrial and Physical Pharmacy

School of Mechanical Engineering
Purdue University
585 Purdue Mall
West Lafayette, IN 47907-2088
Phone: +1 765 49-45656
FAX: 765-494-0539

Degrees

  • B.S. University of Illinois at Urbana-Champaign, '90
  • M.S. California Institute of Technology, '92
  • Ph.D. California Institute of Technology, '97

Research Interests

  • Granular flow about immersed obstacles
  • Discrete element modeling for particulate systems
  • - model and algorithm development
  • - data visualization
  • Pharmaceutical characterization and manufacturing
  • - tablet coating
  • - granulation
  • - hopper flows
  • - drop spreading dynamics
  • - granule and tablet attrition
  • - cohesion modeling
  • - blending dynamics
  • - powder compact characterization
  • Roller bearing dynamics modeling

Awards and Recognitions

  • AIAA Scholastic Achievement Award for the highest GPA in Aeronautical & Astronautical Engineering at the University of Illinois at Urbana-Champaign (May 1990)
  • Charles Lee Powell Graduate Fellowships at the California Institute of Technology (1991-92, Su 1993, 1994-95)
  • Seed for Success Awards (2004, 2005, 2006) for PIs on grants totaling more than $1M
  • Byars' Prize (Clemson University, 1997) - Awarded to the outstanding assistant or associate professor at Clemson University teaching an engineering mechanics course.
  • 1999 NSF CAREER Award recipient
  • Placed in the top ten of the 2002 Solberg Award for the best teacher in Mechanical Engineering.
  • 2004 Purdue University Teaching for Tomorrow Award recipient
  • 2005 Spira Award for Outstanding Contributions to the School of Mechanical Engineering and its Students
  • Member of the 2010 College of Engineering Team Excellence Award
  • 2009 International Fine Particles Research Institute 1st Place Poster award (graduate student: Ben Freireich, Ph.D. received in 2010)
  • 2010 American Association of Pharmaceutical Scientists Regulatory Science Section Outstanding Contributed Paper Award, "Key issues in understanding and predicting excipient properties and functionality," Co-authors: T. Wang, K. Alston, S. Hoag, T. Li, P. Basu, L. Mockus, and C. Wassgren
  • Ten Select Publications

    Li, J., Wassgren, C., and Litster, J.D., 2013, "Multi-scale modeling of a spray coating process in a paddle mixer/coater: The effect of particle size distribution on particle segregation and coating uniformity," Chemical Engineering Science, Vol. 95, pp. 203 - 210.

    Kumar, R. and Wassgren, C., 2013, "Angular circulation speed of tablets in a vibratory tablet coating pan," AAPS PharmSciTech, Vol. 14, No. 1, pp. 339 - 351.

    Muliadi, A., Wassgren, C., and Litster, J., 2012, "Validation of 3-D finite element analysis for predicting the density distribution of roll compacted pharmaceutical powder," Powder Technology, Vol. 237, pp. 386 - 399.

    Guo, Y., Wassgren, C., Ketterhagen, W., Hancock, B., Benjamin, J., and Curtis, J., 2012, "A numerical study of granular shear flows of rod-like particles using the discrete element method," Journal of Fluid Mechanics, Vol. 713, pp. 1 - 26.

    Guo, Y., Wassgren, C., Ketterhagen, B., Hancock, B., and Curtis, J., 2012, "Some computational considerations associated with discrete element modeling of cylindrical particles," Powder Technology, Vol. 228, pp. 193 - 198.

    Kayrak-Talay, D., Dale, S., Wassgren, C., and Litster, J., 2012, "Quality by design for wet granulation in pharmaceutical processing: Assessing models for a priori design and scaling," Powder Technology, Vol. 240, pp. 7 - 18.

    Sarkar, A. and Wassgren, C.R., 2012, "Comparison of flow microdynamics for a continuous granular mixer with predictions from periodic slice DEM simulations," Powder Technology, Vol. 221, pp. 325-336.

    Li, J., Freireich, B.J., Wassgren, C.R., and Litster, J., 2012, "Experimental validation of a 2-D population balance model for spray coating processes," Chemical Engineering Science, doi: 10.1016/j.ces.2012.02.036.

    Muliadi, A., Wassgren, C., and Litster, J., 2012, "Modeling the powder roll compaction process: Comparison of 2-D finite element method and the rolling theory for granular solids (Johanson's model)," Powder Technology, Vol. 221, pp. 90 - 100.

    Kodam, M., Curtis, J., Hancock, B., and Wassgren, C., 2012, "Discrete element method modeling of bi-convex pharmaceutical tablets: Contact detection algorithms and validation," Chemical Engineering Science, Vol. 69, No. 1, pp. 587 - 601.