2017
DOI: 10.1007/978-3-319-63408-1_20
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Progressive Failure Analysis of Multi-Directional Composite Laminates Based on the Strain-Rate-Dependent Northwestern Failure Theory

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Cited by 5 publications
(5 citation statements)
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“…However, this point-local error should be compared to the total weighted strain error, which takes into account the full-field strain data for all DIC images taken throughout the loading. The weights for calculation of the RMS strain error are defined in Equation (2). The evolution of the total weighted RMS during FEMU iterations is shown in Figure 15 for the strain data presented in Figures 12 and 13.…”
Section: Verification and Robustnessmentioning
confidence: 99%
See 1 more Smart Citation
“…However, this point-local error should be compared to the total weighted strain error, which takes into account the full-field strain data for all DIC images taken throughout the loading. The weights for calculation of the RMS strain error are defined in Equation (2). The evolution of the total weighted RMS during FEMU iterations is shown in Figure 15 for the strain data presented in Figures 12 and 13.…”
Section: Verification and Robustnessmentioning
confidence: 99%
“…However, a major challenge delaying the implementation of the advanced composites is the lack of accurate methods for material characterization [1]. Accurate measurement of three-dimensional mechanical properties of composites, stress-strain response, strength, fatigue, and toughness properties, is essential in the development of validated analysis techniques accelerating design and certification of composite structures [2][3][4]. In particular, accurate measurement of interlaminar tensile (ILT) strength is needed to capture delamination failure, which is one of the primary failure modes in composite aircraft structures.…”
Section: Introductionmentioning
confidence: 99%
“…By comparing the normal stress and shear stress, the NU theory considers the transverse failure as two main types, the normal stress dominated, and the shear stress dominated. Schaefer et al [41] obtained good prediction of first-ply-failure (FPF) of embedded plies using the NU Theory. Reinoso et al [42] In the Puck criterion, the fracture plane (introduced by Hashin) was incorporated for matrix compression by applying Mohr-Coulombs theory.…”
Section: Review Of Some Widely-used Failure Criteriamentioning
confidence: 99%
“…However, the laminae in the composite structure will undergo progressive failure. In the next stage, the number and size of micro defects will increase and coalesce in several laminae, which will result in the redistribution of stress on and between the laminae, which can reduce the overall stiffness of the laminate (12).…”
Section: Introductionmentioning
confidence: 99%