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Modelling, Simulation and Optimisation of Non-Typical and Innovative Materials

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

Deadline for manuscript submissions: 31 July 2025 | Viewed by 4293

Special Issue Editors


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Guest Editor
Faculty of Mechanical and Industrial Engineering, Warsaw University of Technology, 00-661 Warszawa, Poland
Interests: smart materials; vibration damping; control; structural dynamics

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Guest Editor
Institute of Fundamental Technological Research of the Polish Academy of Sciences, 02-106 Warsaw, Poland
Interests: numerical methods; structural mechanics; finite element method; transportation systems; vibrations; control

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Guest Editor
National Security and Logistics Faculty, Polish Air Force University, 08-521 Dęblin, Poland
Interests: machinery dynamics; smart materials; damping; vibrations; tribology; dynamics

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Guest Editor
Institute of Fundamental Technological Research, Polish Academy of Sciences Adolfa Pawińskiego 5B, 02-106 Warsaw, Poland
Interests: acoustics; medical technology; applied mathematics; probability theory; statistics

Special Issue Information

Dear Colleagues,

This special issue is dedicated to the studies covering modeling, identification, numerical simulations, and optimisation of a wide array of innovative and non-standard materials, along with issues relevant to their manufacturing and processing.

Recognising that engineers from various fields may benefit from adopting a model applicable to a specific scientific area, this special issue is open to disseminating findings related to the modeling of materials utilised in mechanical engineering, metallurgy and industry, as well as in bioengineering, healthcare, medicine, and allied disciplines. The aim is to combine the recent scientific progress, presenting a collection of material modelling studies from various scientific and industrial areas, gathering inspiring ideas.

We invite researchers, engineers, and practitioners to submit original manuscripts that explore, but are not limited to the following areas:

  • Advanced materials studies: smart materials and structures, ductile materials, metals and alloys, brittles and ceramics, polymers, biomaterials, nanomaterials, composites, granular media, etc.;
  • Synthesis, fabrication, and improvement of innovative materials;
  • Design aspects of innovative materials for various engineering applications;
  • Modelling of non-typical engineering and bioengineering materials and simulation performance;
  • Algorithms and methodologies for optimising materials behavior;
  • Control strategies and adaptive control systems for reactive materials;
  • Optimisation of production and processing of innovative materials;
  • Cross-disciplinary adoption of material models in engineering fields;
  • Novel experimental methods in both mechanical and structural analyses;
  • Material models for additive manufacturing processes.

Dr. Jacek Mateusz Bajkowski
Prof. Dr. Czesław I. Bajer
Prof. Dr. Jerzy Bajkowski
Dr. Hanna Piotrzkowska-Wróblewska
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

  • advanced materials
  • mechanical behavior
  • mathematical model
  • smart materials
  • biomaterials
  • non-Newtonian fluids
  • control
  • simulation
  • numerical methods
  • polymers

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Published Papers (2 papers)

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Research

19 pages, 19678 KiB  
Article
Optimizing Thermoplastic Starch Film with Heteroscedastic Gaussian Processes in Bayesian Experimental Design Framework
by Gracie M. White, Amanda P. Siegel and Andres Tovar
Materials 2024, 17(21), 5345; https://doi.org/10.3390/ma17215345 - 31 Oct 2024
Viewed by 1761
Abstract
The development of thermoplastic starch (TPS) films is crucial for fabricating sustainable and compostable plastics with desirable mechanical properties. However, traditional design of experiments (DOE) methods used in TPS development are often inefficient. They require extensive time and resources while frequently failing to [...] Read more.
The development of thermoplastic starch (TPS) films is crucial for fabricating sustainable and compostable plastics with desirable mechanical properties. However, traditional design of experiments (DOE) methods used in TPS development are often inefficient. They require extensive time and resources while frequently failing to identify optimal material formulations. As an alternative, adaptive experimental design methods based on Bayesian optimization (BO) principles have been recently proposed to streamline material development by iteratively refining experiments based on prior results. However, most implementations are not suited to manage the heteroscedastic noise inherently present in physical experiments. This work introduces a heteroscedastic Gaussian process (HGP) model within the BO framework to account for varying levels of uncertainty in the data, improve the accuracy of the predictions, and increase the overall experimental efficiency. The aim is to find the optimal TPS film composition that maximizes its elongation at break and tensile strength. To demonstrate the effectiveness of this approach, TPS films were prepared by mixing potato starch, distilled water, glycerol as a plasticizer, and acetic acid as a catalyst. After gelation, the mixture was degassed via centrifugation and molded into films, which were dried at room temperature. Tensile tests were conducted according to ASTM D638 standards. After five iterations and 30 experiments, the films containing 4.5 wt% plasticizer and 2.0 wt% starch exhibited the highest elongation at break (M = 96.7%, SD = 5.6%), while the films with 0.5 wt% plasticizer and 7.0 wt% starch demonstrated the highest tensile strength (M = 2.77 MPa, SD = 1.54 MPa). These results demonstrate the potential of the HGP model within a BO framework to improve material development efficiency and performance in TPS film and other potential material formulations. Full article
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25 pages, 21186 KiB  
Article
Profile Optimisation of a Solid Modular Hob in the Machining of Gears Made of Classic and Unusual, Innovative Materials
by Andrzej Piotrowski and Artur Tyliszczak
Materials 2024, 17(9), 2049; https://doi.org/10.3390/ma17092049 - 26 Apr 2024
Cited by 1 | Viewed by 1314
Abstract
Modular hobs are tools with very complex geometry. Regardless of the material of the gear wheels, they determine the accuracy of the gears made in the hobbing machining process. Gears are made of various, often innovative materials depending on the requirements. Sometimes, the [...] Read more.
Modular hobs are tools with very complex geometry. Regardless of the material of the gear wheels, they determine the accuracy of the gears made in the hobbing machining process. Gears are made of various, often innovative materials depending on the requirements. Sometimes, the materials are characterised by very high hardness (over 65 HRC). The mathematical basis for describing the faces of a hob presented in the article allows for modifying the rack profile shaping the gear wheel’s teeth. The model’s universality makes it possible to perform numerical simulations of the influence of individual parameters of the hob creation process (geometry of the grinding wheels and their setting in the shaping process) on the profile of the rake and flank surfaces. The cutting edge (rack edge) is the locus of points belonging to both of these surfaces and thus directly impacts the accuracy of the gear wheel that is shaped in the hobbing process. The article summarises the authors’ long-term cooperation with the industry, resulting in a series of articles devoted to hobs. The issues presented in the article are significant to the machinery industry and hob manufacturers. Full article
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