Phone:    (605) 394-2409

 Email:      Lidvin.Kjerengtroen@sdsmt.edu

 Address: 501 E. Saint Joseph St. Rapid City, SD 57701

• Ph.D.: University of Arizona, 1985, Mechanical Engineering

• B.S.: University of Wyoming 1975, Mechanical Engineering

• Dynamics (ME221)

• Solid Mechanics (ME 316)

• Machine Design I (ME 322)

• Machine Design II (ME 422)

• Probabilistic Mechanical Design (ME 425)

• Introduction to the Finite Element Method (ME 428)

• Failure Modes of Engineering Materials (ME 442)

• Composite Materials (ME/MET 443)

• Mechanical Systems Design II (ME 479)

• Advanced Mechanical Vibrations (ME 623)

• Advanced Strength of Materials (EM 680)

• Applied Engineering Analysis (ME 673)

• Statistical Approaches to Reliability (ME 685)

• Advanced Solid Mechanics I (MES 713)

• Advanced Composite Materials (ME 715)

• Computational and Experimental Mechanics

• Composite Materials

• Micro- and Nano-Mechanics

• Impact Mechanics Crash Worthiness

• Probabilistic Mechanics

• Structural Dynamics and Random Vibrations

• Fatigue and Fracture

1. C. Griswold, W. Cross, L. Kjerengtroen and J. Kellar, "Interphase Variation in Silane-Treated Glass Fiber Reinforced Epoxy Composites," Journal of Adhesion Science and Technology, 2005, V. 19, pp. 279.

2. W. Weyer, W. Cross, J Kellar and L. Kjerengtroen, "Finite element evaluation of a unidirectional, transversally loaded, multi-fiber cruciform test specimen: Employing representative volume element theory," submitted, 2004, Composites Science and Technology.

3. J. Ash, D. Svalstad, W. Cross, J. Kellar and L. Kjerengtroen, "Finite Element Evaluation of the Microbond Test: Meniscus Effect, Interphase Region and Vise Angle," Composites Science and Technology, 63, N. 5, 641-651, 2003.

4. R. Kumar, W. Cross, L. Kjerengtroen and J. Kellar, "Fiber Bias in Nanoindentation of Polymer Matrix Composites," accepted for publication in Composite Interfaces.

5. Cross, W., Johnson, F., Mathison, J., Griswold, C., Kjerengtroen L. and Kellar, J., “The Effect of Interphase Curing on Interphase Properties and Formation,” J. of Adhesion, 78, pg. 1-21, 2002.

6. Ash, J., Svalstad, D., Cross, W., Kellar, J. and Kjerengtroen, L., "Finite Element Evaluation of the Microbond Test: Meniscus Effect, Interphase Region and Vise Angle," Composites Science and Technology, 63, N. 5, 641-651.

7. Heilhecker, H., Cross, W., Griswold, C., Pentland, R., Kellar J. and Kjerengtroen, L., "The Vise Angle in the Microbond Test," J. of Materials Science Letters, Vol. 36, Number 4: 15, 2001.

8. Downing, T.D., Kumar, R., Cross, W.M., Kjerengtroen, L. and Kellar, J.J. "Determining Interphase Size and Properties in Polymer Matrix Composites Using Phase Imaging Atomic Force Microscopy and Nanoindentation," Journal of Adhesion Science and Technology, 2000, V. 14, N. 14, 1801-1812.

9. Cross, W.M., Sabnis, K., Kjerengtroen, L., and Kellar, J.J., "Microhardness Testing of Fiber Reinforced Cement Paste," ACI Materials Journal, 2000, 97 (2), pg. 162.

1. W. C. Weyer, W. M. Cross, B. Henderson, J. J. Kellar, L. Kjerengtroen, J. Welsh, John Starkovich, "Achieving Dimensional Stability Using Functional Fillers," 46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics & Materials Conference, 18 - 21 April 2005, Austin, Texas, paper # AIAA 2005-2091.

2. W. M. Cross, B. D. Henderson, W. C. Weyer, C. Kroetch, L. Kjerengtroen, J. Welsh and J. J. Kellar, "Functional Fillers for Dimensional Stability," Functional Fillers and Nanoscale Minerals II, Editor: Jon J. Kellar, in press, Society for Mining, Metallurgy, and Exploration, Inc., 2006.

3. W. C. Weyer, W. M. Cross, B. Henderson, C. Kroetch, J. J. Kellar, L. Kjerengtroen, and J. Welsh, "Fillers for Dimensionally Stable Materials," Particles 2005: Surface Modification in Particle Technology, San Francisco, California.

4. T. Engstrom, S. Bickett, J. Ash, W. Cross, L. Kjerengtroen and J. Kellar, "Interphase Analysis and Control in Fiber Reinforced Thermoplastic Composites-II," DOE/NSF EPSCoR Conference 2005, Morgantown, WV, June 14-16, 2005.

1. J.J. Kellar, W.M. Cross and L. Kjerengtroen, "Interphase Analysis and Control in Fiber Reinforced Thermoplastic Composites," DOE-EPSCoR.

2. L. Kjerengtroen, M. Fredenberg and J. Kellar, NSF, "Materials, Mechanics, and Manufacturing (3M) REU Site.

3. J. Kellar, W. Cross, K. Han and L. Kjerengtroen, AFRL, submitted January, 2005, "Multi-Functional Fillers and Nanoscale Minerals for Aerospace Composite Structural Applications," $425,000.

• Principal Research Engineer, Det norske Veritas, Oslo Norway

• Visiting Professor, Boston University

• Visiting Professor, University of Zimbabwe

• Curriculum development

• ABET

• Freshmen Engineering

• Undergraduate Research Coordinator

• MES PhD Advisory Board

• Nano PhD Advisory Board

• Advisor for more than 20 Master and PhD students

• Taught SAE short courses and seminars