... in this paper. Analytical results reveal several potential failure mechanisms for the FRP deck and truss bridge system. KEYWORDS: fiber-reinforced polymer (FRP), finite element analysis, bridge deck, thermal analysis Nomenclature y Yield strain u Ultimate strain fy Steel yield strength 1 Stress parallel...

... . transverse tensile strength matrix cracking finite element analysis glass epoxy graphite epoxy bending tests 14 03 2002 15 08 2002 T. Kevin O Brien1 and Ronald Krueger2 Journal of Composites, Technology & Research, Vol. 25, No. 1 Paper ID JCTR11231_251 Available online at: www.astm.org...

... configurations; however, GII remained nonzero over the range of debond lengths considered. KEYWORDS: stitching, delamination, debonding, skin-stiffened structure, finite element analysis Introduction Stitched warp-knit textile composite materials are currently being considered for use in primary aircraft...

... the delamination crack analysis. Critical load levels, and the geometric and material properties of the test specimens were input data for the analysis, which evaluated the Mode II energy release rate at onset of delamination crack propagation. The results of the finite element analysis are used to supplement...

... cumulative fatigue life of composite structures. KEYWORDS: composite materials, testing, finite element analysis, fatigue life prediction, fracture mechanics, skin/flange interface Introduction Many composite components in aerospace structures are made of flat or curved panels with cocured or adhesively...

... cumulative fatigue life of composite structures. KEYWORDS: composite materials, testing, finite element analysis, fatigue life prediction, fracture mechanics, skin/flange interface Introduction Many composite components in aerospace structures are made of flat or curved panels with cocured or adhesively...

... of the adhesive bond line. A finite element analysis using ABAQUS was performed to determine the levels of Mode I and Mode II strain energy release rate present at a crack tip within the adhesive. These tests and analyses were used to determine the fatigue threshold in terms of the total strain energy release...

... prediction and the predicted lives are in good agreement with the experimental values. To help understand the fatigue behavior of the two stacking sequences studied, the interlaminar stress distributions were calculated with a quasi-3D finite element analysis (FEA) for the regions around the hole. Specimens...

... silicon carbide finite element analysis elastic-plastic interface transverse tension fiber arrangement References Mura , T. , Micromechanics of Defects in Solids , Martnus Nijhoff Publishers , The Hague, Netherlands , 1982 . Arnold , S. M. , Ayra , V. K. , and Melis...

... assuming a rectangular array of fibers with a fiber volume fraction of 32.5% and a three-dimensional, finite element analysis were used. Significant differences in the trends and magnitudes for the fiber, matrix, and interface stresses were calculated for the unidirectional and [0/90] models. Larger hoop...

... model and finite element analysis. S. M. Jeng, 1 To-H. Bruce Nguyen, 10o Dana, 2 and J.-M. Yang 1 Fatigue Cracking of Fiber-Reinforced Titanium Matrix Composites REFERENCE: Jeng, S. M., Bruce Nguyen, T.-H., Dana, O., and Yang, J.-M., "Fatigue Cracking of Fiber-Reinforced Titanium Matrix Comlmsites...

... energy release rate at either crack tip increased due to an increase in the delamination length at the other crack tip and may give rise to an unstable delamination growth under constant load. KEYWORDS: impact, delamination, matrix crack, finite element analysis, composites Nomenclature b,d Delamination...

..., triaxially braid, unit cell, stiffness, strength, Poisson's ratio, laminated plate theory, fiber waviness, diagonal brick analysis, finite element analysis Braid-reinforced composites are one of the many textile fabric- reinforced composites that are under consideration as lower cost and higher impact...

... were examined to predict the probable crack profile. The crack profiles predicted using the present analysis were compared with those from the experiments in the literature [5]. Laminate Configuration and Loading KEYWORDS: matrix crack, delamination, laminate, composite, finite element analysis...

... Element Analysis of Beam Specimens Used to Measure the Delamination Resistance of Composites REFERENCE: He, M. Y. and Evans, A. G., "Finite Element Analysis of Beam Specimens Used to Measure the Delamination Resistance of Composites," Journal of" Composites Technology & Research, JCTRER, Vol. 14, No. 4...

... silicon carbide/6061 aluminum were investigated previ- KEY WORDS: metal-matrix composites, silicon carbide/aluminum, micromechanical modelling, finite element analysis, transverse tension, ductility, matrix heat treatment, fiber-packing geometry, volume fraction, fiber spacing ously [8]. However...

... loading, thermal cooldown, and friction were investigated. Each configuration was analyzed for two loadings: longitudinal and normal to the fiber. A nonlinear finite element analysis was performed to model friction and slip at the F/M interface. A procedure for fitting a square-root singularity...

... the stress map, using the maximum strain criterion~ K E Y W O R D S : composites, delamination, fractography, finite element analysis, failure analysis The three-point short-beam bending test (ASTM Test for Apparent Interlaminar Shear Strength of Parallel Fiber Composites by Short-Beam Method D 2344...

... addressed. This paper discusses the potential for delaminationgrowth in terms of calculated strain-energy release rates. These predictions are compared qualitatively with experimental results. KEY WORDS: laminates, edge delamination, finite element analysis, fracture mechallics, strain-energy release rates...

...DM Thompson; O Hayden Griffin, Jr; MA Vidussoni A practical example of applying two- to three-dimensional (2- to 3-D) global/local finite element analysis to laminated composites is presented. Cross-ply graphite/epoxy laminates of 0.1-in. (0.254-cm) thickness with central circular holes ranging...