Special Issue "Micromechanical Simulations of Construction and Building Materials"

A special issue of Materials (ISSN 1996-1944).

Deadline for manuscript submissions: 30 November 2020.

Special Issue Editor

Prof. Vit Smilauer
Website
Guest Editor
Czech Technical University in Prague, Faculty of Civil Engineering, Department of Mechanics
Interests: micromechanics; multiscale modeling; coupled problems; numerical methods; silicate-based construction materials

Special Issue Information

Dear Colleagues,

Our civilization uses construction and building materials extensively, especially for civil and infrastructure projects. Recent advances in experimental techniques, material models, and numerical mechanics can explore mechanical behavior on much finer scales, identifying the key elements responsible for the macroscale behavior and replacing several experiments with virtual testing. Focus has traditionally been given to cementitious binders, concrete, wood, glass, ceramics, resins, and plastics, but also to emerging bio-inspired and bio-mimicking materials. Micromechanical simulations can describe several phenomena originating from heterogeneous composition, e.g., elastic and viscoelastic behavior, plasticity and small-scale yielding, strength scaling, interface performance, microcrack formation and propagation, and self-healing capabilities. Multiphysical linked/coupled simulations incorporating micromechanics are also welcomed, e.g., thermomechanical or hygromechanical behavior.

It is my pleasure to invite you to submit original research papers within the scope of this Special Issue. Short communication and state-of-the-art reviews will also be greatly appreciated.

Assoc. Prof. Vít Šmilauer
Guest Editor

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 papers will be 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. Materials 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 2000 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

  • Micromechanics
  • Heterogeneous materials
  • Visco/elasticity
  • Plasticity
  • Microcracks
  • Interfaces
  • Upscaling
  • Virtual testing
  • Multiphysics

Published Papers (2 papers)

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Research

Open AccessFeature PaperArticle
Experimental and Numerical Study of Viscoelastic Properties of Polymeric Interlayers Used for Laminated Glass: Determination of Material Parameters
Materials 2019, 12(14), 2241; https://doi.org/10.3390/ma12142241 - 11 Jul 2019
Cited by 1
Abstract
An accurate material representation of polymeric interlayers in laminated glass panes has proved fundamental for a reliable prediction of their response in both static and dynamic loading regimes. This issue is addressed in the present contribution by examining the time–temperature sensitivity of the [...] Read more.
An accurate material representation of polymeric interlayers in laminated glass panes has proved fundamental for a reliable prediction of their response in both static and dynamic loading regimes. This issue is addressed in the present contribution by examining the time–temperature sensitivity of the shear stiffness of two widely used interlayers made of polyvinyl butyral (TROSIFOL BG R20) and ethylene-vinyl acetate (EVALAM 80-120). To that end, an experimental program has been executed to compare the applicability of two experimental techniques, (i) dynamic torsional tests and (ii) dynamic single-lap shear tests, in providing data needed in a subsequent calibration of a suitable material model. Herein, attention is limited to the identification of material parameters of the generalized Maxwell chain model through the combination of linear regression and the Nelder–Mead method. The choice of the viscoelastic material model has also been supported experimentally. The resulting model parameters confirmed a strong material variability of both interlayers with temperature and time. While higher initial shear stiffness was observed for the polyvinyl butyral interlayer in general, the ethylene-vinyl acetate interlayer exhibited a less pronounced decay of stiffness over time and a stiffer response in long-term loading. Full article
(This article belongs to the Special Issue Micromechanical Simulations of Construction and Building Materials)
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Open AccessArticle
Microstructural Modeling of Rheological Mechanical Response for Asphalt Mixture Using an Image-Based Finite Element Approach
Materials 2019, 12(13), 2041; https://doi.org/10.3390/ma12132041 - 26 Jun 2019
Abstract
In this paper, an image-based micromechanical model for an asphalt mixture’s rheological mechanical response is introduced. Detailed information on finite element (FE) modeling based on X-ray computed tomography (X-ray CT) is presented. An improved morphological multiscale algorithm was developed to segment the adhesive [...] Read more.
In this paper, an image-based micromechanical model for an asphalt mixture’s rheological mechanical response is introduced. Detailed information on finite element (FE) modeling based on X-ray computed tomography (X-ray CT) is presented. An improved morphological multiscale algorithm was developed to segment the adhesive coarse aggregate images. A classification method to recognize the different classifications of the elemental area for a confining pressure purpose is proposed in this study. Then, the numerical viscoelastic constitutive formulation of asphalt mortar in an FE code was implemented using the simulation software ABAQUS user material subroutine (UMAT). To avoid complex experiments in determining the time-dependent Poisson’s ratio directly, numerous attempts were made to indirectly obtain all material properties in the viscoelastic constitutive model. Finally, the image-based FE model incorporated with the viscoelastic asphalt mortar phase and elastic aggregates was used for triaxial compressive test simulations, and a triaxial creep experiment under different working conditions was conducted to identify and validate the proposed finite element approach. The numerical simulation and experimental results indicate that the three-dimensional microstructural numerical model established can effectively analyze the material’s rheological mechanical response under the effect of triaxial load within the linear viscoelastic range. Full article
(This article belongs to the Special Issue Micromechanical Simulations of Construction and Building Materials)
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