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Optimization of the Angled Guide Plate for the Vossloh W14-PK Fastener

Guoqing Jing Yunyun Tong Peyman Aela Majid Movahedi Rad Wei Qi

Publication Name: Acta Polytechnica Hungarica

Publication Date: 2022-01-01

Volume: 19

Issue: 6

Page Range: 163-182

Description:

Angled guide plates are used to transmit the forces induced by trains, from the rail seat, to the concrete sleepers. Additionally, the design of the angled guide plates, with an appropriate width, supports tilting protection. Considering the updated requirements of the ML-1 railway line, in the Islamic Republic of Pakistan, an optimization design of the angled guide plate of the Vossloh W14-PK fasteners was carried out herein. The design requirements of the angled guide plate need to meet the requirements of structural stress and protect the plates from deterioration. Given the conducted refined model of the Vossloh W14-PK fastener, it is shown that the force and deformation of the angled guide plate, in the bearing groove adjacent and the outside bolt hole area, are small. Therefore, it was preliminarily recommended that the optimization area of the angled guide plate be divided into the section I, close to the rail groove and section II, outside the bolt hole. The Finite Element Model (FEM) of angled guide plate was established, which is used to analyze the influences of length, width, depth and the number of holes, in section I and section II, on the force distribution, across the angled guide plate. The results show that the scheme of reducing the amount of material and minimizing the influence of force on the structure of the angled guide plate, is to punch three holes in section I and two holes in section II. The holes in section I/II are 20/30 mm in length, 8/8 in width, and 15/8 mm in depth, respectively. The fatigue test showed that the optimized angled guide plate, had good application effects.

Open Access: Yes

DOI: 10.12700/APH.19.6.2022.6.12

Different Tracks Developed under TP Model Transformation Research

Peter Baranyi

Publication Name: Gpmc 2020 2nd IEEE International Conference on Gridding and Polytope Based Modeling and Control Proceedings

Publication Date: 2020-11-19

Volume: Unknown

Issue: Unknown

Page Range: 45-48

Description:

This paper makes a summary about the different tracks developed under TP model transformation (TPMT) research.

Open Access: Yes

DOI: 10.1109/GPMC50267.2020.9333819

Twin concept of fine structure constant as the 'self number-archetype' in perspective of the Pauli-Jung correspondence

Peter Varlaki Imre J. Rudas

Publication Name: Acta Polytechnica Hungarica

Publication Date: 2009-12-01

Volume: 6

Issue: 2

Page Range: 77-108

Description:

The paper-similarly to our earlier publications since 1993 - is trying to 'synchronize' early quantum physics, the Kalmanian representation theory, Jungian analytic psychology, and certain aesthetical categories. The number '137', the so-called inverse Fine Structure Constant (IFSC), is placed at the centre of this heuristic and epistemological experiment, along with the scientific cooperation of Pauli and Jung. A new possibilistic twin concept of "controlling-observing equations" is proposed for the reinterpretation of the FSC and other Number Archetypes on the basis of the Hermeneutic and symbolic languages found in the W. Pauli and C. G. Jung " Correspondence". The first part of the paper deals in first line with the introduction of the possibilistic twin concept of FSC together with its interpretation according to the hermeneutical "tradition" of the Pauli-Jung collaboration.

Open Access: Yes

DOI: DOI not available

Student Burnout in Higher Education: From Lockdowns to Classrooms

Márta Konczos Szombathelyi Kevin Jackson

Publication Name: Education Sciences

Publication Date: 2022-12-01

Volume: 12

Issue: 12

Page Range: Unknown

Description:

During the spring 2021 semester, COVID-19 forced most universities around the world to teach exclusively online in a very short time frame. This situation reversed itself, however, during the fall 2021 semester when COVID-19 restrictions were lifted as teachers and students returned to classrooms. This study includes ninety-seven international students who participated in surveys at the beginning and the end of the fall 2021 semester, which included questions related to burnout, self-efficacy, resiliency, home environments, and technical issues. Students were asked to reflect on their educational experiences during the spring 2021 and fall 2021 semesters. The purpose of this study is to identify and examine the most significant changes that occurred between these two semesters. The results indicate a significant shift in student burnout as challenges with home environments were replaced with ones related to returning to the classroom. Even as the concerns about COVID-19 lessen, higher education institutions must understand the magnitude and permanence of its impact.

Open Access: Yes

DOI: 10.3390/educsci12120842

Do regular exercise, gender, and age influence smartphone addiction? Analyzing screen time and smartphone deprivation symptoms

Angéla Somogyi Neha Pirwani Attila Szabo

Publication Name: Frontiers in Psychology

Publication Date: 2025-01-01

Volume: 16

Issue: Unknown

Page Range: Unknown

Description:

Background: Headless smartphone use, known as smartphone addiction (SA), is associated with mental health issues and behavioral dependencies. While physical activity (PA) has been suggested as a protective factor, research remains inconclusive. The present study examines whether regular exercise influences SA, smartphone deprivation, and daily smartphone screen time while assessing gender and age as risk factors. Methods: This cross-sectional study with 701 participants (392 exercisers, 309 non-exercisers) assessed SA with the Smartphone Application-Based Addiction Scale (SABAS) and deprivation feelings with the Hungarian Smartphone Withdrawal Symptom Scale (HSWSS). Daily smartphone use was self-reported. Multivariate analysis of covariance examined the effects of exercise status, gender, and age on SA-related variables. Results: Exercise status did not significantly affect SA, deprivation feelings, or screen time (p > 0.05). However, the correlation between SA and smartphone screen time was stronger (p < 0.05) in non-exercisers (r = 0.407) than in exercisers (r = 0.274). Gender and age were significant predictors: females reported higher SA and usage, and younger age was associated with greater SA, deprivation symptoms, and more screen time. Conclusion: While exercise may not reduce SA, exercisers exhibit a weaker link between SA and smartphone use, suggesting less problematic usage, possibly due to more utilitarian (e.g., sports-related) rather than hedonic use. Females report higher SA, feelings of deprivation, and screen time than males, while age correlates with increased SA, feelings of deprivation, and screen time. Future research should examine psychosocial mechanisms and diverse smartphone usage patterns in addiction in connection with exercise behavior.

Open Access: Yes

DOI: 10.3389/fpsyg.2025.1586762

DESTINATION ENVIRONMENTAL BRANDING AND SUSTAINABLE ECO-CONSCIOUS CONSUMER

Laszlo Vasa Josef Abrham Rizwan Raheem Ahmed Melica Delibasic Syed Hasnain Alam Nor Zafir Md Salleh Alharthi Rami Hashem E

Publication Name: Transformations in Business and Economics

Publication Date: 2022-01-01

Volume: 21

Issue: 2

Page Range: 121-146

Description:

This research aims to examine the role of ecotourism of destination ecological, economic branding to enhance the sustainable eco-conscious consumers in an emerging economy. Empirical research investigates the tourism management effects on the image and equity of the city & finally inspects these effects on international visitors across the country. Data is collected from 368 eco-conscious consumers from the emerging city. For the analyses purposes, we employed Partial least square-structural equation modelling (PLS-SEM) to advance the development and testing of theory in eco-tourism research. Pragmatic results demonstrate that eco-tourism destination branding and destination image have played a significant role in improving the overall destination of the brand equity of the city. A systematic scientific procedure for SEM results estimation is presented and applied to an annotated tourism as a case example. The research established that city destination features like destination image, services, and experience significantly contribute to destination branding. This research suggested a theoretical contribution to the existing body of current knowledge regarding eco-tourism marketing as a refined quantitative analysis. It will ultimately permit future researchers to elucidate the research’s contribution to comprehending the prominence of destination branding among tourists in an emerging economy.

Open Access: Yes

DOI: DOI not available

Optimized Implementation of Nature-Based Solutions for Sustainable Economic Benefits in a Watershed with Water Deficit – a Case Study in Hilly Settlements of Lake Velence

Katalin Bene Attila Kálmán

Publication Name: Chemical Engineering Transactions

Publication Date: 2023-01-01

Volume: 107

Issue: Unknown

Page Range: 265-270

Description:

The adverse effects of climate change on water resources have been demonstrated recently. The shallow surface and groundwater levels throughout Europe in 2022 have not been restored, even during the winter-spring recharge period. Water scarcity causes economic damage and may lead to food supply shortages and social tension. For Lake Velence, extreme drought caused damage throughout the watershed. The record low water levels kept away tourists and reduced the revenues. Stakeholder cooperation on sustainable water-related developments is essential to overcome the water deficit in the area. Surveys among local mayors confirmed that there is an affinity and possibility to sustainably utilize rainwater with the application of nature-based solutions. These infrastructures have low impacts on the lake’s water level while noticeably improving plant and agricultural irrigation, though the benefits are mostly unknown among stakeholders. Consequently, profitability per area unit for agricultural and farming activities can be increased. The research quantifies the possible positive effects of economic incentives used to implement nature-based solutions in the hilly settlements of Lake Velence; they sustainably increase the yield of agricultural production and food security and economically beneficial tools for mayors to optimize placement of nature-based solutions within the catchment to achieve adequate soil quality and additional social benefits.

Open Access: Yes

DOI: 10.3303/CET23107045

Identification of Delay-Tolerant Networking by Employing MABAC Technique Based on Bipolar Complex Fuzzy Dombi Heronian Mean Operators

Dragan Pamucar Tahir Mahmood None Azam Ubaid Ur Rehman

Publication Name: Contemporary Mathematics Singapore

Publication Date: 2025-01-01

Volume: 6

Issue: 3

Page Range: 3562-3612

Description:

This work proposes a hybrid decision making model for dynamic and irregularly connected communication systems called Delay-Tolerant Networks (DTNs). A resilient and adaptable network allows for communication in an environment where traditional networks may fail to operate effectively. The main significance of this system is that it is commonly utilized in such scenarios where traditional networks are impractical, such as remote areas, disaster-stricken regions, space missions, and military operations. The proposed model includes the “Multi-Attributive Border Approximation Area Comparison” (MABAC) method, together with Bipolar Complex Fuzzy Dombi Heronian Mean (BCFDHM) operators. To take the positive as well as negative attributes’ evaluations into consideration in complicated fuzzy environments, we use an enriched aggregation structure for the criteria, which incorporates the relationship between criteria through the Heronian mean function. Due to this, the MABAC technique within BCF information is more advanced and better than classical MABAC techniques in various models. After that, with the help of these enriched aggregation structures, we successfully identify and rank alternatives for DTN in an uncertain, imprecise, and bipolar condition. By employing the MABAC technique for the DTN system, we find the best and better alternative to the DTN system, which is Ã4 as mentioned below in section 4. At last, we compare our initiated work with many existing theories to prove the authenticity of the suggested work.

Open Access: Yes

DOI: 10.37256/cm.6320256840

TP-based Control of the Crane Model

Miklós Kuczmann

Publication Name: Gpmc 2019 1st IEEE International Conference on Gridding and Polytope Based Modeling and Control Proceedings

Publication Date: 2019-11-01

Volume: Unknown

Issue: Unknown

Page Range: 9-12

Description:

Tensor product based model representation is a numerical technique to approximate the behavior of nonlinear systems. Based on the tensor product transformation a linear matrix inequality based controller design scheme can be applied efficiently. This framework is presented in the paper through the model of gantry crane.

Open Access: Yes

DOI: 10.1109/GPMC48183.2019.9106954