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  • Solid-Lattice Stem Optimization Design for Hip Implants
    39-46
    Views:
    583

    The goal of this study is analyzed and design a methodology to reduce stem mass, through topology and lattice optimization of a Ti-6Al-4V hip implant, meeting yield stress requirements. Four optimization cases were studied: Topology optimization (1), Lattice design 100% (2), Lattice design 50% (3), Lattice design 25% (4). Five load cases from a study were applied for each optimization cases: Combined (LC1), standing-up (LC2), standing (LC3), going up stairs (LC4), jogging (LC5). The optimized cases design reduced stem mass approximately by 30% (1), 5% (2) ,8% (3) and 2% (4), compared with the total stem hip Ti-6Al-4V implant.

  • Co-authorship Network Analysis
    76-84
    Views:
    303

    The methodological basis of research on networks is given by graph theory. During the network analysis we work with a big data population and we are mainly analysing the relationships of the actors, which can be visualized with the graph network. The analysis of social network is becoming more and more popular in academic life as well. Most of the co-authorship networks are built around a number of prestigious people who manage their own network as a central player creating cliques.

  • Millennium Generation Work Experience
    657-665
    Views:
    389

    If we are open-minded in our everyday life, we should not overlook the phenomenon of student work. Within the framework of this study, our aim was to examine the work experience, later employment plans and income needs of students starting their studies at the Faculty of Economics at the University of Debrecen. In addition, we analyze the most important sources related to student work through literature studies.

    It is important to pay attention to changing attitudes of newcomers to higher education as they become active job seekers after graduation. At the Faculty of Economics of the University of Debrecen, about 1,700 students started their studies in the 2019/2020 academic year. Our research was conducted with the involvement of these students.

    The data were collected among students participating in the stork camp organized by the University of Debrecen. The survey covers, among other things, the initial salary requirements, previous work experience, future plans, including the willingness to work abroad, and factors that are taken into account when choosing a job.