NSE COMPOSITES ENGINEERS ARE PRIMARY OR CONTRIBUTING AUTHORS ON THE FOLLOWING JOURNAL ARTICLES, PUBLICATIONS, AND PRESENTATIONS:

 

Mabson, G. E., Deobald, L. R., Dopker, B., Hoyt, D. M., Baylor, J. S., Graesser, D. L., “Fracture Interface Elements For Static And Fatigue Analysis”, 16th International Conference On Composite Materials (ICCM 16), 2007. < abstract >

Deobald, L. R., Mabson, G. E., Dopker, B., Hoyt, D. M., Baylor, J. S., Graesser, D. L., “Interlaminar Fatigue Elements for Crack Growth Based On Virtual Crack Closure Technique”, AIAA/ASME/ASCE/AHS Structures, Structural Dynamics, and Materials Conference, 2007. < abstract >

Tomblin, J.S., Raju, K.S., Walker, T.H., Acosta, J.F., “Damage Tolerance of Composites Sandwich Airframe Structures – Additional Results”, DOT/FAA/AR-05/33, 2005. < abstract >

Hoyt, D. M., Ward S. H., “Composite Bonded Joints Analysis, Data, and Substantiation – Industry Directions and Technical Issues,” FAA Composite Bonded Joints Workshop Seattle, WA , June 16-18, 2004. < abstract >

Hoyt, D. M., Walker, T. H., Graesser, D. L., Mabson, G. E., Deobald, L. R., Dopker, B., “Boeing CAI: Interlaminar Fatigue Analysis – Interlaminar Fatigue Analysis Based on CAI Interface Element”, FAA/ASTM Workshop on Computational Fracture Mechanics for Composites, Salt Lake City, UT March 22-23, 2004.

Hoyt, D. M., Walker, T. H., Graesser, D. L., “Applying and Validating Fracture Methods to Structural Analysis of Aircraft Components – Practical Issues and Challenges,” FAA/ASTM Workshop on Computational Fracture Mechanics for Composites, Salt Lake City, UT March 22-23, 2004.

Walker, T. H., Graesser, D. L., Ward, S. H., Floyd, J. F., Razi, H., Ploubis, V., “Damage Assessment for Composite Sandwich Structure,” AIAA 2003-1596, 44th AIAA/ASME/ASCE/AHS Structures, Structural Dynamics, and Materials Conference, Norfolk, Virginia, 7 – 10 Apr 2003. < abstract >

Hoyt, D. M., Ward S. H., Minguet, P. J., “Strength and Fatigue Life Modeling of Bonded Joints in Composite Structure,” ASTM Journal of Composites Technology & Research, Vol. 24, No. 3, pp. 188-208, July 2002. < abstract >

Walker, T. H., et. al., Mil-Handbook-17, Volume 3, Chapter 7, “Damage Resistance, Durability and Damage Tolerance”, Revision F, 2002 (Co-editor).

Rousseau, C.Q., Ferrie, C., Hoyt, D.M., Ward, S. H., “Detailed Analysis of a Complex Bonded Joint”, Presented at the American Helicopter Society (AHS) Hampton Roads Chapter Structures Specialists’ Meeting, Williamsburg, VA, November 2001. < abstract >

Hoyt, D. M., Ward, S. H., Minguet, P. J., “Strength and Fatigue Life Modeling of Bonded Joints in Composite Structure,” American Society for Composites (ASC) 15th Technical Conference, September 2000. < abstract >

Bau, Hui, Hoyt, D. M., “Characterization of Notched Composites Strength with Empirical and Analytical Methods”, NSE Composites Phase II Final Report to USAF for STTR AF96T009 (AF Contract # F33615-97-C-5013), July 2000. < abstract >

Walker, T. H., “Fuselage Residual Strength – Response and Prediction,” FAA Composite Structural Development Workshop, Renton, Washington, Nov. 29 – Dec.1, 2000.

Bau, Hui, Hoyt, D. M., Rousseau, C. Q., “Open Hole Compression Strength and Failure Characterization in Tape Laminates,” Composite Structures: Theory and Practice, ASTM STP 1383, 2000. < abstract >

Hoyt, D.M., Ward, S. H., Bau, Hui, “Fatigue Life Modeling of Composite Bonded Joints in Rotorcraft Structure,” NSE Composites Phase I Final Report to US Army for SBIR A98-029 (USAAMCOM TR 99-D-12, ADB248414), July 1999. < abstract >

Bau, Hui, Hoyt, D. M., “Open Hole Compression Strength and Failure Characterization in Tape Laminates,” presentation to ASTM D-30, Technical Symposium, May, 1999. < abstract >

Bau, Hui, Hoyt, D. M., “Progressive Damage Analysis for Notched Compression Strength”, American Helicopter Society Conference for Affordable Composite Structures, October, 1998.

Bau, Hui, Hoyt, D. M., “Accurate Characterization of Composite Strength through Empirical and Progressive Damage Methods”, NSE Composites Phase I Final Report to USAF for STTR AF96T009, April, 1997. < abstract >

 

TOM WALKER’S PUBLICATIONS (PRIMARY AUTHOR)

 

“Advanced Technology Composite Fuselage – Structural Performance,” NASA CR-4732, 1997. < abstract >

“Damage Tolerance of Composite Fuselage Structure,” Sixth NASA/DOD/ARPA Advanced Composite Technology Conference, NASA CP-3326, 1996. < abstract >

“Benchmark Panels,” NASA CR-194969, 1994. < abstract >

“Tension Fracture of Laminates for Transport Fuselage – Part III: Structural Configurations,” Fourth NASA Advanced Composite Technology Conference, NASA CP-3229, pp. 243-264, 1994. < abstract >

“Tension Fracture of Laminates for Transport Fuselage – Part II: Large Notches,” Third NASA Advanced Composite Technology Conference, NASA CP-3178, pp. 727-758, 1993. < abstract >

“Nonlinear and Progressive Failure Aspects of Transport Composite Fuselage Damage Tolerance,” Computational Methods for Failure Analysis and Life Prediction, NASA-CP-3230, pp. 11-35, 1993. < abstract >

“Tension Fracture of Laminates for Transport Fuselage – Part I: Material Screening,” Second NASA Advanced Composite Technology Conference, NASA CP-3154, pp. 197-238, 1992. < abstract >

“Cost Studies for Commercial Fuselage Crown Designs”, First NASA Advanced Composite Technology Conference, NASA CP-3104, 1991. < abstract >

“A Singular Finite-Element Analysis of Interface Fracture in Anisotropic Materials,” Masters Thesis, University of Washington, 1986.

“Composite Skin/Stiffener Interface Design and Analysis,” Vol. 1-4, Univ. of Washington Final Report for Boeing Contract Y-408929-0935 SF, 1985.

“Analysis and Tests of Delaminations in Graphite/Epoxy Laminates,” Boeing Document D6-52467TN, 1984.

“Static Compression Tests of Gr/Ep Honeycomb Sandwich Panels with Delaminations and Impact Damage,” Boeing Document D6-51601TN, 1982.

 

TOM WALKER’S PUBLICATIONS (CONTRIBUTING AUTHOR)

 

Ilcewicz, L., et al: “Advanced Technology Composite Fuselage – Program Overview,” NASA CR-4734, 1997.

Scholz, D., et al: “Advanced Technology Composite Fuselage – Materials and Processes,” NASA CR-4731, 1997.

Flynn, B., et al: “Advanced Technology Composite Fuselage – Repair and Damage Assessment Sup- porting Maintenance,” NASA CR-4733, 1997.

Polland, D., et al: “Structural Development of Composite Fuselage Cutouts: Window Belt and Door Reinforcements,” Sixth NASA Advanced Composite Technology Conference, NASA CP-3326, 1996.

Hanson, C., et al: “Design Integration of a Composite Aft Fuselage Barrel Section,” Sixth NASA Advanced Technology Conference, NASA CP-3326, 1996.

Poe, C., et al: “Tension Strength with Discrete Source Damage,” Fifth NASA Advanced Technology Conference, NASA CP-3294, pp. 369-437, 1995.

Cairns, D., et al: “Fracture Scaling Parameters of Inhomogeneous Microstructure in Composite Structures,” Composites Science and Technology, vol. 53, issue 2, pp. 223-231, 1995.

Ilcewicz, L., et al: “Tension Fracture of Laminates for Transport Fuselage – Part IV: Damage Tolerance Analysis,” Fourth NASA Advanced Composite Technology Conference, NASA CP-3229, pp. 265-298, 1994.

Cairns, D., et al: “Consequence of Material Inhomogeneity on Fracture of Automated Tow Placed Structures with Stress Concentrations,” Fourth NASA Advanced Composite Technology Conference, NASA CP-3229, 1994.

Dopker, B., et al: “Damage Tolerance Analysis of Composite Transport Fuselage Structure,” 35th SDM Conference, AIAA Paper 94-1406, 1994.

Cairns, D., et al: “Far-Field and Near-Field Strain Response of Fiber Placed Structures to Stress Concentrations,” Composites Engineering, Vol. 3, No. 11, pp. 1087-1097, 1993.

Cairns, D., et al: “Response of Automated Tow Placement Laminates to Stress Concentrations,” Third NASA Advanced Composite Technology Conference, NASA CP-3178, 1993.

Willden, K., et al: “Manufacturing of Automated Tow Placement Structures,” Third NASA Advanced Composite Technology Conference, NASA CP-3178, 1993.

Ilcewicz, L., et al: “Application of a Design-Build Team Approach to Low Cost and Weight Composite Fuselage Structure,” NASA CR-4418, 1991.

Swanson, G., et al: “Local Design Optimization for Composite Transport Fuselage Crown Panels,” Second NASA/DOD Advanced Composite Technology Conference, NASA CP-3154, pp. 243-262, 1991.

Ilcewicz, L., et al: “Advanced Technology Composite Fuselage Structure,” First NASA Advanced Composite Technology Conference, NASA CP-3104, Part 1, pp. 127-155, 1991.

Coxon, B., et al: “Intralaminar Fracture Toughness Characterization for Matrix Cracking in Composites,” Society of Experimental Mechanics, 1987