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Engineering  - It is not what I do, it is who I am.

Looking for ChBE213? Look here.

       AKA - The T-Shirt Guy

Daniel Samborsky, MS, P.Eng, P.E., Research Coordinator, Instructor, Comedian ( ,D ) , window washer

                        (I also get paid to break lots of stuff and do failure analysis)

Montana State University - Bozeman

Chemical and Biological Engineering Department, 301 Cobleigh Hall, 

ph: 406.994.7186

Email:

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EDUCATION

M.S. Civil Engineering, Montana State University
B.S. Mechanical Engineering, Montana State University

PROFESSIONAL EXPERIENCE

1989 - Pres. Research Engineer, Montana State University
1983 - 2002 Design and Research Engineer, Samalta Design Associates Engineering  Ltd, Edmonton, Alberta.

and lots of other engineering projects all over the place.

PROFESSIONAL ENGINEERING REGISTRATION

- P. Eng. - The Association of Professional Engineers, Geologists and Geophysicists of Alberta

- P.E. - State of Montana

AWARDS

- Outstanding 2003 Wind Energy Journal Article ("New Fatigue Data for Wind Turbine Blade Materials", ASME Journal of Solar Energy Engineering, V.125, No. 4, November 2003)

- Outstanding conference paper award (Prediction of Delamination in Wind Turbine Blade Structural Details) 2003 ASME Wind Energy Symposium)

- 2002 MSU College of Engineering Outstanding Research Award

- 2002 MSU College of Engineering Outstanding Classified Employee Award

- 1998 received the best wind energy conference paper 1998 ASME Wind Energy Symposium

CURRENT RESEARCH (publications listed below)

- gigacycle fatigue (10⁹ - 10¹⁰ cycles, R=0.1) of small resin impregnated glass strands, and individual glass fibers.

- matrix cracking, fiber failure and delamination

- DOE/MSU composite material fatigue database (glass, carbon and hybrids)

- damage accumulation and modeling

- fracture mechanics

- failure analysis (metals, plastics and composites), components and structures

- environmental conditioning of composites

- static and fatigue properties of: unidirectional, angle ply laminates, determination of off  axis material properties for FEA models

- fatigue of servo hydraulic testing machines and support equipment

- effects of "good" humor on  professors and staff (non-paid research but FUN [Looking for NEW staff members WITH a GOOD sense of humor])

- humor database (text, pictorial and site gags), joke modeling, analysis and prediction.

Life is to short not to smile; ............and it makes everyone nervous.

PUBLICATIONS

Contractor reports

Wahl, N.W., Mandell, J.F., and Samborsky, D.D., "Spectrum Fatigue Lifetime and Residual Strength for Fiberglass Laminates," Contractor Report SAND2002-0546, Sandia National Laboratories, Albuquerque, NM (2002). [PDF FILE]

Mandell, J.F., Samborsky, D.D., and Cairns, D.S. "Fatigue of Composite Materials and Substructures for Wind Turbine Blades," Contractor Report SAND2002-0771, Sandia National Laboratories, Albuquerque, NM (2002). [PDF FILE]

Mandell, J. F., Samborsky, D. D., Combs, D.W., Scott, M.E., and Cairns, D.S, "Fatigue of Composite Material Beam Elements Representative of Wind Turbine Blade Substructure," NREL Contractor Report SR-500-24379, November 1998. [PDF FILE]

Mandell, J.F., and Samborsky, "DOE/MSU Composite Material Fatigue Database: Test Methods, Materials, and Analysis," Contractor Report SAND97-3002, Sandia National Laboratories, Albuquerque, NM (1997). [PDF FILE]

Mandell, J.F., Reed, R.M. Jr. and Samborsky, D.D., "Fatigue of Fiberglass Wind Turbine Blade Materials," Contractor Report SAND92-7005, Sandia National Laboratories, Albuquerque, NM (1992). [PDF FILE]

 

Papers

Samborsky , D.D,  Wilson, T.J., Agastra, P., and Mandell, J.F., "Delamination at Thick Ply Drops in Carbon and Glass Fiber Laminates Under Fatigue Loading," Journal of Solar Energy Engineering, Special Issue on Wind Energy, ASME, Vol.130, August 2008, pp.1-8. [PDF FILE]

Samborsky, D.D, Agastra, P., and Mandell, J.F., "Effects of Glass Fabric and Laminate Construction on the Fatigue of Resin Infused Blade Materials," 2008 Wind Energy Symposium, January 2008, Reno, Nevada [PDF FILE]

Samborsky, D.D, Wilson, T.J., and Mandell, J.F., "Comparison of Tensile Fatigue Resistance and Constant Life Diagrams for Several Potential Wind Turbine Blade Laminates," 2007 Wind Energy Symposium, January 2007, Reno, Nevada. [PDF FILE]

Samborsky, D.D, Wilson, T.J., Agastra, P., and Mandell, J.F., "Delamination at Thick Ply Drops in Carbon Fiber Laminates Under Fatigue Loading," 2006 Wind Energy Symposium, January 2006, Reno, Nevada. [PDF FILE]

Nijssen, R.P.L., Samborsky, D.D., Mandell, J.F., van Delft, D.R.V., “Strength Degradation and Simple Load Spectrum Tests in Rotor Blade Composites,” 2005 ASME Wind Energy Symposium, ASME/AIAA., AIAA-2005-0197, pp. 28-38. (2005) [PDF FILE]

Avery, D. P., Samborsky D. D., Mandell, J. F. and Cairns, D. S., "Compression Strength of Carbon Fiber Laminates Containing Flaws with Fiber Waviness," 2004 ASME Wind Energy Symposium, ASME/AIAA., AIAA-2004-0174, pp. 54-63. (2004) [PDF FILE]

Mandell, J.F., Samborsky, D.D., Wahl, N.K., and Sutherland, H.J., "Testing and Analysis of Low Cost Composite Materials Under Spectrum Loading and High Cycle Fatigue Conditions," Proceedings of The 14th International Conference on Composite Materials (ICCM-14), Society of Manufacturing Engineers, San Diego, California, July 14 - 18, 2003. Paper 1811. (2003) [PDF FILE]

Mandell, J.F., Cairns, D.S., Samborsky, D.D., Morehead, R.B., and Haugen,D.J., "Prediction of Delamination in Wind Turbine Blade Structural Details," Journal of Solar Energy Engineering, ASME, Vol. 125, No. 4, pp. 522-530. November 2003. (2003)

Mandell, J.F., Samborsky, D.D., Wang, L., and Wahl, N.K., "New Fatigue Data for Wind Turbine Blade Materials," Journal of Solar Energy Engineering, ASME, Vol. 125, No. 4, pp. 506-514. November 2003. (2003).

Mandell, J.F., Samborsky, D.D., Wang, L., and Wahl, N.K., "New Fatigue Data for Wind Turbine Blade Materials," 2003 ASME Wind Energy Symposium, ASME/AIAA. AIAA-2003-0692, pp. 167-179. [PDF FILE]

Cairns, D.S., Mandell, J.F., and Samborsky, D.D., "Quantification of Processing Parameters for Wind Turbine Blades," 2003 ASME Wind Energy Symposium, ASME/AIAA. AIAA-2003-0694, pp. 180-190. [PDF FILE]

Mandell, J.F., Cairns, D.S., Samborsky, D.D., Morehead, R.B., and Haugen, D.J., "Prediction of Delamination in Wind Turbine Blade Structural Details," 2003 ASME Wind Energy Symposium, ASME/AIAA. AIAA-2003-0697, pp. 202-213. [PDF FILE]

Mandell, J.F. Samborsky, D.D., and Wang, L., "Effects of Fiber Waviness on Composites for Wind Turbine Blades," Proceedings of the 48th International SAMPE Symposium, Vol. 48, SAMPE 2003, Long Beach, CA, May 11-15, 2003. pp. 2653 - 2678, ISBN 0-938-99494-8, (2003) [PDF FILE]

Wahl, N.K., Samborsky, D.D., Mandell, J.F., and Cairns, D.S., "Effects of Modeling Parameters on the Accuracy of Spectrum Fatigue Lifetime Predictions for a Fiberglass Laminate," 2002 ASME Wind Energy Symposium, ASME/AIAA. [PDF FILE]

Larsen, E.B., Cairns, D.S., Mandell, J.F., and Samborsky, D.D., "Investigation of a Two-Stage Resin Injection Process to Reduce Effects of In-Plane Resin Flow, "2002 ASME Wind Energy Symposium, ASME/AIAA. [PDF FILE]

Wahl, N.W., Samborsky, D.D., Mandell, J.F., and Cairns, D.S., "Spectrum Fatigue Lifetime and Residual Strength for Fiberglass Laminates in Tension,"2001 ASME Wind Energy Symposium, AIAA-2001-0025, ASME/AIAA. (2001) [PDF FILE]

Mandell, J.F., Samborsky, D.D., Li. M., Orozco, R., and Cairns, D.S., "Selection of Fiberglass Matrix Resins for Increased Toughness and Environmental Resistance in Wind Turbine Blades," 2000 ASME Wind Energy Symposium,  ASME/AIAA, AIAA-2000-0057, pp. 354- 366. (2000) [PDF FILE]

Samborsky, D. D., Mandell, J. F., and Cairns, D. S, "Selection of Reinforcing Fabrics for Wind Turbine Blades," 1999 ASME Wind Energy Symposium, AIAA-99-0024, ASME/AIAA, pp. 32-42. (1999). [PDF FILE]

Mandell, J. F., Samborsky, D. D., Sutherland, H. J., "Effects of Materials Parameters and Design Details on the Fatigue of Composite Materials for Wind Turbine Blades," 1999 European Wind Energy Conference, 1-5 March 1999, Nice, France, pp. 628-633. [PDF FILE]

Samborsky, Daniel, "Fatigue of E-glass Fiber Reinforced Composite Materials and Substructures," M.S. Thesis, Department of Civil Engineering, Montana State University, 1999. [abstract] [Thesis (9 megs)]

Mandell, J. F., Samborsky, D. D., Scott, M.E., and Cairns, D. S, "Effects of Structural Details on Delamination and fatigue Life of Fiberglass Laminates," 1998 ASME Wind Energy Symposium, ASME/AIAA, 98-0061, pp. 323 - 327. (1998). [PDF FILE]

Cairns, D. S., Haugen, D. J., Mandell, J. F., and Samborsky, D. D., "Fracture of Skin/Stiffener Intersections in Composite Wind Turbine Structures," 1998 Wind Energy Symposium, ASME/AIAA, 98-0062, pp. 334 - 343. (1998). [PDF FILE]

Mandell, J.F., Samborsky, D.D., and Cairns, D.S., "Advanced Wind Turbine Blade Structure Development Program at Montana State University," 1997 ASME Wind Energy Symposium, ASME/AIAA, AIAA-97-0952, pp. 189-196 (1997). [PDF FILE]

Samborsky, D.D., and Mandell, J.F., "Fatigue Resistant Fiberglass Laminates for Wind Turbine Blades," 1996 ASME Wind Energy Symposium, ASME, pp. 46-51 (1996). [PDF FILE]

Mandell, J.F., Combs, D.E., and Samborsky, D.D., "Fatigue of Fiberglass Beam Substructures," 1995 ASME Wind Energy Symposium, W.D. Musial, S.M. Hock, and D.E. Berg, Eds., SED- Vol. 16, ASME, pp. 99 - 106 (1995). [PDF FILE]

Mandell, J.F.; Samborsky, D.D., "MSU/DOE Wind Turbine Blade Composite Material Fatigue Database," November 1995, Sandia National Laboratories, Albuquerque, NM, 87185.  Yearly updates available at www.sandia.gov/wind/

Mandell, J.F., Reed, R.M. Jr., Samborsky, D.D., and Pan, Q., "Fatigue Performance of Wind Turbine Blade Materials," in SED-Vol 14, 1993 ASME Wind Energy Symposium, S. Hock, ed., ASME, New York, pp. 191-198. (1993). [PDF FILE]

Mandell, J.F., Reed, R.M., and Samborsky, D.D., "High Cycle Fatigue of Wind Turbine Blade Materials," in SED-Vol 12, 1992 ASME Wind Energy Symposium, P.S. Veers, S.M. Hock, eds., ASME, New York, p. 105 (1992). [PDF FILE]
 

Contact information

Daniel Samborsky

Montana State University - Bozeman

Chemical and Biological Engineering Department

301 Cobleigh Hall, Bozeman, Montana, 59717

Main Composites lab (301 Cobleigh Hall) phone 406.994.3597

Chemical and Biological Engineering office 406.994.3597

updated August 20, 2008

Web page problems/ comments: contact Daniel Samborsky at