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Damage and Vibration Problems in Technology

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

Deadline for manuscript submissions: closed (20 April 2024) | Viewed by 1458

Special Issue Editors


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Guest Editor
Associate Professor, Faculty of Mechanical Engineering, Lublin University of Technology, 36 Nadbystrzycka St., 20-618 Lublin, Poland
Interests: mechanics of materials; damage identification; fracture; delamination; acoustic emission; finite element method, machine technology
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Guest Editor Assistant
Faculty of Mechanical Engineering, Lublin University of Technology, 36 Nadbystrzycka St., 20-618 Lublin, Poland
Interests: mechanics of materials; dynamics of loose media; damage identification; numerical simulations; finite element method; linear and nonlinear analysis; sieve separation

Special Issue Information

Dear Colleagues,

This Special Issue of Materials entitled "Damage and Vibration Problems in Technology" will be used to collect the latest results and trends in research on damage in engineering materials and structures, as well as problems associated with vibration, from the point of view of analytical, numerical and experimental approaches. Scientists and practitioners in the field of mechanics of materials and structures are invited to publish articles on the reliability and strength of various engineering materials and machinery, and damage to biological objects that can be detected and observed via fractographic and image analysis methods. Articles should cover vibration-induced problems caused by equipment being used in various technological processes: conveying, separation, segregation, drying, etc. In particular, we are interested in those on analyses of stability loss, damage initiation and evolution, and structure collapses or any unusual behaviours, with practical indications and solutions increasing reliability.

Dr. Sylwester Samborski
Dr. Serhii Kharchenko
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. 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

  • damage
  • fracture
  • vibration
  • failure
  • thin-walled structure
  • finite element method
  • experimental testing
  • separation
  • machining
  • dynamics

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Published Papers (1 paper)

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Research

22 pages, 15770 KiB  
Article
Identification of the Natural Frequencies of Oscillations of Perforated Vibrosurfaces with Holes of Complex Geometry
by Serhii Kharchenko, Sylwester Samborski, Farida Kharchenko, Andrzej Mitura, Jakub Paśnik and Izabela Korzec
Materials 2023, 16(17), 5735; https://doi.org/10.3390/ma16175735 - 22 Aug 2023
Cited by 1 | Viewed by 925
Abstract
The reliability of perforated vibrosurfaces is one of the main parameters of the efficiency of their operation in many technological processes. Existing methods for studying vibrosurfaces with standard single holes and the corresponding results cannot be used to study the reliability of vibration [...] Read more.
The reliability of perforated vibrosurfaces is one of the main parameters of the efficiency of their operation in many technological processes. Existing methods for studying vibrosurfaces with standard single holes and the corresponding results cannot be used to study the reliability of vibration surfaces with holes of complex geometric shapes. The proposed method is based on the experimental modal identification of the parameters of natural oscillations, the parallel creation of a numerical model using the finite element method, and the comparison of the results. Three vibrosurfaces were investigated: solid without holes, perforated with standard round holes, perforated with holes in the form of a five-petal epicycloid. As a result of experiments, the divergence of natural vibrations of perforated surfaces depending on the side of the punch and matrix during their technological production by pressing was established. The result of the research was a refined adequate numerical model that takes into account the presence of holes in complex geometric shapes. A methodology has been developed, and analytical expressions with perforation coefficients have been obtained, which allow obtaining values of natural oscillations of vibration surfaces depending on the properties of metal, boundary conditions, and structural and kinematic parameters. Full article
(This article belongs to the Special Issue Damage and Vibration Problems in Technology)
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