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Computational Mechanics and Modeling of Composite Materials and Structures

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Materials".

Deadline for manuscript submissions: closed (31 August 2023) | Viewed by 971

Special Issue Editors


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Guest Editor
Owens Corning Science and Technology, 2790 Columbus Rd, Granville, OH 43023, USA
Interests: composite design; processing; computational mechanics; progressive failure analyses; data-driven modeling; machine learning

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Guest Editor
Owens Corning Science and Technology, 2790 Columbus Rd, Granville, OH 43023, USA
Interests: composite material and process; interface science; molecular dynamics; progressive failure analysis; robotic work cells

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Guest Editor
Department of Civil & Environmental Engineering, Faculty of Engineering, University of Alberta, Edmonton, AB, Canada
Interests: polymer; biopolymer; composite; composites design; biocomposite; nanocomposite; smart materials; additive manufacturing; celluloses; fiber; nanocelluloses; lignin; carbon-based materials; formulation; process optimization; performance; economic feasibility studies; machine learning
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Special Issue Information

Dear Colleagues,

Composite materials are increasingly being used in construction, renewable energy, electric vehicles, and other applications. Composite materials provide sustainable solutions for industrial problems due to their excellent strength-to-weight ratio and opportunities for tailoring material properties to target higher performance and efficiencies. The high strength and long-term durability of composites deliver optimum performance for composite parts, whereas light-weight composite solutions lead to lower energy consumption throughout the product's life cycle. In addition, proper material designs and manufacturing platforms play key roles in driving composite sustainability. The selection of reinforcements, resin, and additives with effective processing techniques help transform the material solutions into the desired parts for targeted applications. This Special Issue aims to address recent advances in the composite design, processing, and failure analyses of composite materials through computational and analytical approaches. The efficient models and numerical tools spanning from the material to part levels serve as virtual testing tools to enhance our understanding on the complex crack mechanisms in composite materials as well as the potential failure modes that are hard to detect with conventional testing methods.

The key topics of this Special Issue include (but are not limited to) the following:

  • Lightweight and sustainable composite processing methods and modeling;
  • Next-generation composite design and mechanics in automotive, aerospace, offshore, renewable energy, and other industries;
  • Advanced modeling methods for progressive damage prediction of composites based on continuum damage mechanics, extended finite element method, discrete damage modeling, cohesive zone modeling, and other advanced models;
  • Computational mechanics and modeling of composites across multiscale levels: micro-length scale to coupon and component levels;
  • Defect characterization and modeling in composites such as ply waviness, fiber misalignment, fiber kinking, porosity;
  • Life cycle assessment and modeling of multi-functional composites and biocomposites;
  • Data-driven modeling approaches for predicting composite durability, reliability, and performance optimization.

We look forward to receiving your contributions.

Dr. Steve D.C. Pham
Dr. David Hartman
Dr. Tri-Dung Ngo
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • composite design
  • computational mechanics
  • composite processing
  • progressive failure analysis
  • data-driven modeling
  • composite defects
  • biocomposites
  • reliability
  • durability
  • optimization

Published Papers (1 paper)

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Research

20 pages, 7201 KiB  
Article
Analysis of Debonding Failures of the Screen and Case during Tablet Drop
by Zhengtao Zhu, Xiaoming Jin, Di Wang and Fangping Ma
Sustainability 2023, 15(18), 13475; https://doi.org/10.3390/su151813475 - 08 Sep 2023
Viewed by 684
Abstract
In recent years, due to the increasingly powerful functions of tablets, more and more people have used tablets. The failure of the screen caused by debonding failure between the screen and the case of the tablet due to drops will affect the normal [...] Read more.
In recent years, due to the increasingly powerful functions of tablets, more and more people have used tablets. The failure of the screen caused by debonding failure between the screen and the case of the tablet due to drops will affect the normal use of the tablet. However, there have been few studies on the debonding methods of the screen and the case of the tablet, as well as the factors influencing the debonding between the screen and the case of the tablet. Numerical analysis software was used in this paper to simulate the iPad Air (Air) drop process, and the cohesive zone model and tiebreak contact were used to simulate the debonding process between the screen and case of the Air tablet, respectively. When the results are compared to the experiments, the results show that the cohesive zone model is superior. The effects of various rounded corner radii, drop postures in the XY plane, materials of the outer case, and strain rates of PC/ABS on the localized debonding between the outer case and outer glass of the Air during the drop process were investigated. The degree of debonding between the Air model’s outer case and outer glass is defined by t, which is the ratio of the area of the deleted cohesive elements to the total area of the cohesive elements. The results show that the rounded corner radius and the strain rate of PC/ABS have less influence on t; the t of the Air model dropped at 45° in the XY plane is 37.7% of that dropped at 0° and 90°; and the t of the Air model with glass as the outer case material is 48% of that with aluminum alloy as the outer case material. These studies serve as a foundation for tablet design and material selection. Full article
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