Open AccessBook
Failure Models and Criteria for Frp Under In-Plane or Three-Dimensional Stress States Including Shear Non-Linearity
TLDR
In this paper, a set of failure criteria for laminated fiber-reinforced composites, denoted as LaRC04, is proposed, which are based on physical models for each failure mode and take into consideration non-linear matrix shear behavior.Abstract:
A set of three-dimensional failure criteria for laminated fiber-reinforced composites, denoted LaRC04, is proposed. The criteria are based on physical models for each failure mode and take into consideration non-linear matrix shear behaviour. The model for matrix compressive failure is based on the Mohr-Coulomb criterion and it predicts the fracture angle. Fiber kinking is triggered by an initial fiber misalignment angle and by the rotation of the fibers during compressive loading. The plane of fiber kinking is predicted by the model. LaRC04 consists of 6 expressions that can be used directly for design purposes. Several applications involving a broad range of load combinations are presented and compared to experimental data and other existing criteria. Predictions using LaRC04 correlate well with the experimental data, arguably better than most existing criteria. The good correlation seems to be attributable to the physical soundness of the underlying failure models.read more
Citations
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A continuum damage model for composite laminates: Part I - Constitutive model
TL;DR: A continuum damage model for the prediction of the onset and evolution of intralaminar failure mechanisms and the collapse of structures manufactured in fiber-reinforced plastic laminates is proposed in this article.
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A continuum damage model for composite laminates: Part II – Computational implementation and validation
TL;DR: In this article, the authors describe the computational implementation of a new damage model for laminated composites proposed in a previous paper, which is assured by regularizing the energy dissipated at a material point by each failure mechanism.
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Prediction of size effects in notched laminates using continuum damage mechanics
TL;DR: In this paper, the authors examined the use of a continuum damage model to predict strength and size effects in notched carbon-epoxy laminates and found that the model is the most accurate technique to predict size effects.
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Prediction of in situ strengths and matrix cracking in composites under transverse tension and in-plane shear
TL;DR: In this paper, a criterion for matrix failure of laminated composite plies in transverse tension and in-plane shear is developed by examining the mechanics of transverse matrix crack growth.
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Review of methodologies for composite material modelling incorporating failure
TL;DR: The Cooperative Research Centre for Advanced Composite Structures (CRC-ACS) is leading a currently running collaborative project to develop a methodology for determining mechanical behaviour and failure in composite structures as discussed by the authors.
References
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Journal ArticleDOI
The Determination of the Elastic Field of an Ellipsoidal Inclusion, and Related Problems
TL;DR: In this paper, it is shown that to answer several questions of physical or engineering interest, it is necessary to know only the relatively simple elastic field inside the ellipsoid.
Book
The stress analysis of cracks handbook
TL;DR: The Stress Analysis of Cracks Handbook as mentioned in this paper provides a comprehensive, easy-to-access collection of elastic stress solutions for crack configurations, along with other relevant information, such as displacements, crack opening areas, basic stress functions source references, accuracy of solutions, and more.
Journal ArticleDOI
A General Theory of Strength for Anisotropic Materials
Stephen W. Tsai,Edward M. Wu +1 more
TL;DR: In this article, an operationally simple strength criterion for anisotropic materials is developed from a scalar function of two strength tensors, which satisfies the invariant requirements of coordinate transforma tion, takes into account the difference in strengths due to positive and negative stresses, and can be specialized to account for different material symmetries, multi-dimensional space, and multi-axial stresses.
Journal ArticleDOI
Failure analysis of frp laminates by means of physically based phenomenological models
A. Puck,Helmut Schürmann +1 more
TL;DR: In this article, the authors proposed fracture analysis of structural members made of FRP composites and derived the fracture angle which is the key for this evaluation, which is derived in the present paper.
Related Papers (5)
Failure analysis of frp laminates by means of physically based phenomenological models
A. Puck,Helmut Schürmann +1 more