Numerical Modeling of Gas Leakage Through Damaged Composite Laminates Academic Article

abstract

• A computational fluid dynamics (CFD) model was developed to predict leakage through a damaged laminate. Crack opening displacements (COD) from a 3D finite element model were fit using a polynomial function. This curve fit was then used in defining the openings in the CFD model. Delamination length at crack intersections was estimated based on experimental data for specimens subjected to thermal loads only. Leakage under combined thermal and biaxial mechanical loadings was predicted with the estimated delamination length. Considering the sensitivity of the predictions to many variables, the calculated leakage under combined thermal and biaxial mechanical loadings was estimated with reasonable accuracy.

authors

• Whitcomb, John

published proceedings

• Journal of Composite Materials

author list (cited authors)

• Kumazawa, H., & Whitcomb, J.

complete list of authors

• Kumazawa, Hisashi||Whitcomb, John

publication date

• August 2008

publisher

• SAGE Publications  Publisher

published in

• Journal of Composite Materials  Journal

keywords

• 40 Engineering
• 4001 Aerospace Engineering
• 4016 Materials Engineering

Digital Object Identifier (DOI)

• 10.1177/0021998308092210

start page

• 1619

end page

• 1638

volume

• 42

issue

• 16

URL

• http://dx.doi.org/10.1177/0021998308092210