An efficient and novel micromechanical computational platform for progressive failure analysis of fiber-reinforced composites is presented. The numerical framework is based on a recently developed micromechanical platform built using a class of refined beam models called Carrera unified formulation (CUF), a generalized hierarchical formulation which yields a refined structural theory via variable kinematic description. The crack band theory is implemented in the framework to capture the damage propagation within the constituents of composite materials. The initiation and orientation of the crack band in the matrix are determined using the maximum principal stress state and the traction-separation law governing the crack band growth is related to the fracture toughness of the matrix. A representative volume element (RVE) containing randomly distributed fibers is modeled using the component-wise (CW) approach, an extension of CUF beam model based on Lagrange type polynomials. The efficiency of the proposed numerical framework is achieved through the ability of the CUF models to provide accurate three-dimensional (3D) displacement and stress fields at a reduced computational cost. The numerical results are compared against experimental data available in the literature and an analogous 3D finite element model with the same constitutive crack band model. The applicability of CUF beam models as a novel micromechanical platform for progressive failure analysis as well as the multifold efficiency of CUF models in terms of CPU time are highlighted.
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February 2018
Research-Article
Micromechanical Progressive Failure Analysis of Fiber-Reinforced Composite Using Refined Beam Models
I. Kaleel,
I. Kaleel
MUL2 Group,
Department of Mechanical and
Aerospace Engineering,
Politecnico di Torino Turin,
Turin 10129, Italy
e-mail: ibrahim.kaleel@polito.it
Department of Mechanical and
Aerospace Engineering,
Politecnico di Torino Turin,
Turin 10129, Italy
e-mail: ibrahim.kaleel@polito.it
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M. Petrolo,
M. Petrolo
MUL2 Group,
Department of Mechanical and
Aerospace Engineering,
Politecnico di Torino Turin,
Turin 10129, Italy
e-mail: marco.petrolo@polito.it
Department of Mechanical and
Aerospace Engineering,
Politecnico di Torino Turin,
Turin 10129, Italy
e-mail: marco.petrolo@polito.it
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A. M. Waas,
A. M. Waas
Professor
Boeing-Egtvedt Chair
William E. Boeing Department of Aeronautics
and Astronautics,
University of Washington Seattle,
Seattle, WA 98195
e-mail: awaas@aa.washington.edu
Boeing-Egtvedt Chair
William E. Boeing Department of Aeronautics
and Astronautics,
University of Washington Seattle,
Seattle, WA 98195
e-mail: awaas@aa.washington.edu
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E. Carrera
E. Carrera
Professor
MUL2 Group,
Department of Mechanical and
Aerospace Engineering,
Politecnico di Torino,
Turin 10129, Italy
e-mail: erasmo.carrera@polito.it
MUL2 Group,
Department of Mechanical and
Aerospace Engineering,
Politecnico di Torino,
Turin 10129, Italy
e-mail: erasmo.carrera@polito.it
Search for other works by this author on:
I. Kaleel
MUL2 Group,
Department of Mechanical and
Aerospace Engineering,
Politecnico di Torino Turin,
Turin 10129, Italy
e-mail: ibrahim.kaleel@polito.it
Department of Mechanical and
Aerospace Engineering,
Politecnico di Torino Turin,
Turin 10129, Italy
e-mail: ibrahim.kaleel@polito.it
M. Petrolo
MUL2 Group,
Department of Mechanical and
Aerospace Engineering,
Politecnico di Torino Turin,
Turin 10129, Italy
e-mail: marco.petrolo@polito.it
Department of Mechanical and
Aerospace Engineering,
Politecnico di Torino Turin,
Turin 10129, Italy
e-mail: marco.petrolo@polito.it
A. M. Waas
Professor
Boeing-Egtvedt Chair
William E. Boeing Department of Aeronautics
and Astronautics,
University of Washington Seattle,
Seattle, WA 98195
e-mail: awaas@aa.washington.edu
Boeing-Egtvedt Chair
William E. Boeing Department of Aeronautics
and Astronautics,
University of Washington Seattle,
Seattle, WA 98195
e-mail: awaas@aa.washington.edu
E. Carrera
Professor
MUL2 Group,
Department of Mechanical and
Aerospace Engineering,
Politecnico di Torino,
Turin 10129, Italy
e-mail: erasmo.carrera@polito.it
MUL2 Group,
Department of Mechanical and
Aerospace Engineering,
Politecnico di Torino,
Turin 10129, Italy
e-mail: erasmo.carrera@polito.it
1Corresponding author.
Contributed by the Applied Mechanics Division of ASME for publication in the JOURNAL OF APPLIED MECHANICS. Manuscript received September 12, 2017; final manuscript received November 28, 2017; published online December 12, 2017. Assoc. Editor: George Kardomateas.
J. Appl. Mech. Feb 2018, 85(2): 021004 (8 pages)
Published Online: December 12, 2017
Article history
Received:
September 12, 2017
Revised:
November 28, 2017
Citation
Kaleel, I., Petrolo, M., Waas, A. M., and Carrera, E. (December 12, 2017). "Micromechanical Progressive Failure Analysis of Fiber-Reinforced Composite Using Refined Beam Models." ASME. J. Appl. Mech. February 2018; 85(2): 021004. https://doi.org/10.1115/1.4038610
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