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Fracture & Fatigue

A Fracture Mechanics Based Methodology to Address Face Sheet/Core Disbonding in Composite Sandwich Structures

Krueger, R., Adams, D., Berggreen, C., Hoyt, D. M., Saseendran, V.

2024 American Society for Composites (ASC) 39th Annual Technical Conference, San Diego, CA, November 2024.

Abstract

Sandwich Disbond Certification Overview: Energy-Based Analysis Approach and Applications

Lobo, M., and Hoyt, D.M.

Joint CMH-17-EASA-FAA Workshop on Sandwich Disbonding, Technical University of Denmark (DTU), Copenhagen, Denmark, June 20 -23, 2023.

PDF of Presentation

Sandwich Disbond Certification Overview: Design Criteria and Substantiation for Face Sheet Disbonds

Hoyt, D.M., Fawcett, A., Waite, S., Ilcewicz, L.

Joint CMH-17-EASA-FAA Workshop on Sandwich Disbonding, Technical University of Denmark (DTU), Copenhagen, Denmark, June 20 -23, 2023.

PDF of Presentation

Transport Aircraft Composite Aging

Fawcett, A., Fualdes, C., Enjuto, P., Hoyt, D.M., and Ilcewicz, L.

2020 AIAA SCITECH Forum, 9 January 2020, Orlando, FL.

Abstract

Verification of Closed Form Mixed Mode Strain Energy Release Rate Expressions for Unidirectional Laminate Configurations

Enjuto, P., Lobo, M., and Mabson, G.E.

2019 AIAA SciTech Forum, AIAA 2019-1042, 7-11 January 2019, San Diego, California.

Abstract

Closed-Form Fracture Analysis Based on First Order Shear Deformable Plate Theory

Enjuto, P., Graesser, D.L., Mabson, G.E., and Weckner, O.

2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA SciTech Forum, (AIAA 2018-2248), 8 – 12 January 2018, Kissimmee, Florida.

Abstract

Closed-Form Mixed-Mode Strain Energy Release Rate Expressions for Unidirectional Laminate Configurations

Enjuto, P., and Mabson, G.E.

American Society for Composites (ASC) 33rd Annual Technical Conference, Seattle, WA, 24 – 26 September 2018.

Abstract

Fracture Interface Elements For Static And Fatigue Analysis

Mabson, G.E., Deobald, L.R., Dopker, B., Hoyt, D.M., Baylor, J.S., Graesser, D.L.

16th International Conference On Composite Materials (ICCM 16), 2007.

Abstract

Interlaminar Fatigue Elements for Crack Growth Based On Virtual Crack Closure Technique

Deobald, L.R., Mabson, G.E., Dopker, B., Hoyt, D.M., Baylor, J.S., Graesser, D.L.

AIAA/ASME/ASCE/AHS Structures, Structural Dynamics, and Materials Conference, 2007.

Abstract

Boeing CAI: Interlaminar Fatigue Analysis – Interlaminar Fatigue Analysis Based on CAI Interface Element

Hoyt, D.M., Walker, T.H., Graesser, D.L., Mabson, G.E., Deobald, L.R., and Dopker, B.

FAA/ASTM Workshop on Computational Fracture Mechanics for Composites, Salt Lake City, UT March 22-23, 2004.

Applying and Validating Fracture Methods to Structural Analysis of Aircraft Components—Practical Issues and Challenges

Hoyt, D.M., Walker, T.H., Graesser, D.L.

FAA/ASTM Workshop on Computational Fracture Mechanics for Composites, Salt Lake City, UT March 22-23, 2004.

Strength and Fatigue Life Modeling of Bonded Joints in Composite Structure

Hoyt, D.M., Ward S.H., Minguet, P.J.

ASTM Journal of Composites Technology & Research, Vol. 24, No. 3, pp. 188-208, July 2002.

Abstract

Detailed Analysis of a Complex Bonded Joint

Rousseau, C.Q., Ferrie, C., Hoyt, D.M., Ward, S.H.

Presented at the American Helicopter Society (AHS) Hampton Roads Chapter Structures Specialists’ Meeting, Williamsburg, VA, November 2001.

Abstract

Strength and Fatigue Life Modeling of Bonded Joints in Composite Structure

Hoyt, D.M., Ward, S.H., Minguet, P.J.

American Society for Composites (ASC) 15th Technical Conference, September 2000.

Fatigue Life Modeling of Composite Bonded Joints in Rotorcraft Structure

Hoyt, D.M., Ward, S.H., Bau, H.

NSE Composites Phase I Final Report to US Army for SBIR A98-029 (USAAMCOM TR 99-D-12, ADB248414), July 1999.

Abstract

Intralaminar Fracture Toughness Characterization for Matrix Cracking in Composites

Coxon, B., Walker, T., Ilcewicz, L., and Seferis, J.

Society of Experimental Mechanics, 1987

Abstract

A Singular Finite-Element Analysis of Interface Fracture in Anisotropic Materials

Walker, T.H.

Masters Thesis, University of Washington, 1986.

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