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Modeling and Simulations of the Dynamic Mechanical Performance of Materials and Structures

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Materials Simulation and Design".

Deadline for manuscript submissions: 20 July 2025 | Viewed by 544

Special Issue Editors


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Guest Editor
School of Materials and Energy, Southwest University, Chongqing 400715, China
Interests: metallic materials and structures; dynamic performance; damage and fracture; micromechanics; plasticity; modeling

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Guest Editor
Laboratory of Computational Physics, Institute of Applied Physics and Computational Mathematics, Beijing 100088, China
Interests: dynamic fracture mechanics; multiscale modeling; micromechanics; damage mechanics; shock responses

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Guest Editor
School of Environment and Resource, Southwest University of Science and Technology, Mianyang 621010, China
Interests: spallation; mirco-jet; stress wave; damage and fracture; phase transition; equation of state and constitutive model

Special Issue Information

Dear Colleagues,

Material damage and failure during intensive impact loading have become a key area of research in relation to physics and engineering. Complicated microstructure evolutions at high strain rates render it challenging to explore the micromechanisms of the non-linear events involved in dynamic fracture. Our Special Issue is focused on the recent developments and applications of computational theory, simulation methods, experiments, models, and algorithms for the analysis of the dynamic damage and failure of materials and structures, such as metals, alloys, ceramics, and composites; this is expected to provide an open and active forum to strengthen academic communications on this topic.

Potential topics include, but are not limited to, the following:

  • Multiscale models and methods;
  • Computational approach and its optimization;
  • Numerical simulations;
  • Thermo-mechanical coupling;
  • Data-driven modeling;
  • Mechanism;
  • Dynamic damage and fracture;
  • Dynamic constitutive models;
  • Dynamic responses of  inhomogeneous materials;
  • Equation of state;
  • Microstructure effects on material strengths;
  • Shock experiments;
  • AI applications in shock dynamics.

We hope that this Special Issue will stimulate further research in the field of material dynamic mechanical performance, promoting practical applications of advanced structural materials in extreme conditions.

Prof. Dr. Fang Wang
Dr. Meizhen Xiang
Dr. Xin Yang
Guest Editors

Manuscript Submission Information

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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 2600 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

  • materials and structures
  • intensive loading
  • dynamic damage and failure
  • shock response
  • physical mechanism
  • plastic deformation
  • spallation
  • microjetting
  • shear localization
  • numerical simulations

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Published Papers (1 paper)

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Research

27 pages, 15440 KiB  
Article
Dynamic Performance of a Steel Road Sign with Multi-Material Electronic Signboard Under Mining-Induced Tremors from Different Mining Areas: Experimental and Numerical Research
by Paweł Boroń and Joanna Maria Dulińska
Materials 2025, 18(7), 1451; https://doi.org/10.3390/ma18071451 - 25 Mar 2025
Viewed by 273
Abstract
This study investigates the dynamic performance of a road sign equipped with a multi-material electronic signboard subjected to mining-induced seismic tremors. The key innovative aspect lies in providing new insights into the dynamic performance of multi-material electronic signboards under high-energy mining tremors, enhancing [...] Read more.
This study investigates the dynamic performance of a road sign equipped with a multi-material electronic signboard subjected to mining-induced seismic tremors. The key innovative aspect lies in providing new insights into the dynamic performance of multi-material electronic signboards under high-energy mining tremors, enhancing their safety assessment in mining areas. Experimental modal analysis and finite element analysis were conducted, and the numerical model of the sign was calibrated by adjusting ground stiffness to align experimental and computational data. The fundamental natural frequencies and their corresponding mode shapes were identified as 2.75 Hz, 3.09 Hz, 8.46 Hz, and 13.50 Hz. Numerical results were validated using MAC methods, demonstrating strong agreement with experimental values and confirming the accuracy of the numerical predictions. Damping ratios of 3.79% and 3.71% for the first and second modes, respectively, were measured via hammer tests. To evaluate the sign’s dynamic performance under high-energy mining-induced tremors, two events were applied as kinematic excitation of the structure. These tremors, recorded in different mining regions, exhibited significant variations in peak ground acceleration (PGA) and dominant frequency range. A key finding was that frequency matching between the dominant frequencies of the tremor and the natural frequencies of the sign had a greater impact on the sign’s dynamic response than PGA. The Szombierki tremor, with dominant frequencies of 1.6–4.8 Hz, induced significantly higher stress and displacement compared to the Moskorzyn tremor (5–10 Hz) despite the latter having twice the PGA. These results highlight that a road sign structure can exhibit widely varying dynamic behaviors depending on the seismic characteristics of the mining zone. Therefore, a comprehensive assessment of mining-induced tremors in relation to the seismicity of specific areas is crucial for understanding their potential impact on such structures. The dynamic performance assessment also revealed that the electronic multi-material signboard did not undergo plastic deformation, confirming it as a safe material solution for use in mining areas. Full article
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