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Article
Publication date: 2 March 2012

Patricia Penabad‐Duran, Xose M. Lopez‐Fernandez, Janusz Turowski and Pedro M. Ribeiro

The purpose of this paper is to apply a 3D methodology to assess the heating hazard on transformer covers and present a practical tool to design amagnetic inserts arrangement.

183

Abstract

Purpose

The purpose of this paper is to apply a 3D methodology to assess the heating hazard on transformer covers and present a practical tool to design amagnetic inserts arrangement.

Design/methodology/approach

A practical 3D methodology linking an electromagnetic analytical formulation with thermal finite element method is used for computation. Such methodology allows the evaluation of the temperature on metallic device elements heated by electromagnetic induction. This is a 3D problem which in the case of power transformers becomes especially difficult to apply due to the discretization requirement into the thin skin depth penetration compared to big machine dimensions.

Findings

From the numerical solution of the temperature field, decisions on dimensions and different amagnetic inserts arrangements can be taken to avoid hot spots on transformer covers.

Research limitations/implications

Some parameters presented in the model as heat exchange coefficients and material properties are difficult to determine from formulae or from the literature. The accuracy of the results strongly depends on the proper identification of those parameters, which the authors adjust based on measurements.

Originality/value

Differing from previous works found in the literature, which focus their results in power loss computation methods, this paper evaluates losses in terms of temperature distribution, which is easier to measure and validate over transformer covers. Moreover, an experimental work is presented where the temperature distribution is measured over a steel cover plate and a cover plate with amagnetic insert.

Details

COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, vol. 31 no. 2
Type: Research Article
ISSN: 0332-1649

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Article
Publication date: 5 February 2024

Neuza Ribeiro, Daniel Gomes, Gabriela Pedro Gomes, Atiat Ullah, Ana Suzete Dias Semedo and Sharda Singh

This study aims to broaden the understanding of the mechanisms through which workplace bullying might affect employees’ intention to leave the organisation, as well as the…

453

Abstract

Purpose

This study aims to broaden the understanding of the mechanisms through which workplace bullying might affect employees’ intention to leave the organisation, as well as the mediating role of burnout in the relationship between workplace bullying and turnover intention.

Design/methodology/approach

The sample included 884 employees from different Portuguese organisations operating in the tertiary sector and industry. This study uses structural equation modelling to evaluate the hypothesised model.

Findings

The results suggest that workplace bullying causes high levels of burnout in victims and increases their turnover intentions. The results further suggest that burnout fully mediates the effect of workplace bullying on turnover intentions.

Practical implications

Organisations should work to reduce these problems in workplace environments, focusing on HRM models that prevent the precursors of workplace bullying, particularly those associated with low determination of HR practices and the emphasis on employee participation. Implementing workplace ethical guidelines as part of an annual action plan can contribute to cultivating organisational cultures that reject any form of devaluation of human worth within the organisation.

Originality/value

There is little knowledge on the mediating role of burnout in the relationship between workplace bullying and turnover intention. This study answers the call for further empirical research from those who have argued that more information is needed and contributes to the growing debate on this topic and its effects on Portuguese employees. This study seeks to fill these gaps by developing a model of workplace bullying and its consequences and exploring burnout’s potential mediating role.

Details

International Journal of Organizational Analysis, vol. 32 no. 10
Type: Research Article
ISSN: 1934-8835

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Article
Publication date: 2 May 2017

Marcelo Santiago Sousa, Pedro Paglione, Roberto Gil Annes Silva, Flavio Luiz Cardoso-Ribeiro and Sebastião Simões Cunha

The purpose of this paper is to present a mathematical model of one very flexible transport category airplane whose structural dynamics was modeled with the strain-based…

374

Abstract

Purpose

The purpose of this paper is to present a mathematical model of one very flexible transport category airplane whose structural dynamics was modeled with the strain-based formulation. This model can be used for the analysis of couplings between the flight dynamics and structural dynamics.

Design/methodology/approach

The model was developed with the use of Hamiltonian mechanics and strain-based formulation. Nonlinear flight dynamics, nonlinear structural dynamics and inertial couplings are considered.

Findings

The mathematical model allows the analysis of effects of high structural deformations on airplane flight dynamics.

Research limitations/implications

The mathematical model has more than 60 degrees of freedom. The computational burden is too high, if compared to the traditional rigid body flight dynamics simulations.

Practical implications

The mathematical model presented in this work allows a detailed analysis of the couplings between flight dynamics and structural dynamics in very flexible airplanes. The better comprehension of these couplings will contribute to the development of flexible airplanes.

Originality/value

This work presents the application of nonlinear flight dynamics-nonlinear structural dynamics-strain-based formulation (NFNS_s) methodology to model the flight dynamics of one very flexible transport category airplane. This paper addresses also the way as the analysis of results obtained in nonlinear simulations can be made. Comparisons of the NFNS_s and nonlinear flight dynamics-linear structural dynamics methodologies are presented in this work.

Details

Aircraft Engineering and Aerospace Technology, vol. 89 no. 3
Type: Research Article
ISSN: 1748-8842

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Article
Publication date: 5 September 2016

Pedro Neves, Luis Ribeiro, João Dias-Ferreira, Mauro Onori and José Barata Oliveira

This paper aims to provide a method and decision support tool to enhance swift reconfiguration of Plug&Produce (P&P) systems in the presence of continuously changing production…

313

Abstract

Purpose

This paper aims to provide a method and decision support tool to enhance swift reconfiguration of Plug&Produce (P&P) systems in the presence of continuously changing production orders.

Design/methodology/approach

The paper reviews different production scenarios and system design and configuration methods and more particularly specifies the need of decision support tools for P&P systems that integrate configuration and planning activities. This problem is then addressed by proposing a method that helps reduce the solution space of the reconfiguration problem and allows the timely selection of the most promising reconfiguration alternative.

Findings

The proposed method was found to be helpful in reducing the reconfiguration alternatives that need to be considered and in selecting the most promising one for different orders. The advantages and limitations of this method are identified, and an illustrative test case of the approach is presented, corroborating the method applicability in the absence of large queues in the system.

Originality/value

This paper addresses a less explored domain within the P&P systems research field, which is the system reconfiguration. It proposed a method to support system validation and reconfiguration jointly with an illustrative test case. This represents an original contribution to the P&P research field, and it can have impact in improving agility and decreasing the complexity of reconfiguration activities to cope with constantly changing production orders.

Details

Assembly Automation, vol. 36 no. 4
Type: Research Article
ISSN: 0144-5154

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Article
Publication date: 10 July 2017

Ricardo Vinícius Dias Jordão and Vander Ribeiro de Almeida

One of the main contemporary challenges in organisations is finding ways of measuring their intellectual capital (IC), and its effects on competitiveness and financial…

4586

Abstract

Purpose

One of the main contemporary challenges in organisations is finding ways of measuring their intellectual capital (IC), and its effects on competitiveness and financial sustainability. The purpose of this paper is to analyse the influence of IC on the long-term financial performance of Brazilian companies.

Design/methodology/approach

Considering that previous studies have not been able to explain the role of IC in financial sustainability (measured by long-term corporate performance), this paper attempts to fill this gap by means of a quantitative, descriptive and applied study. Based on the theories of knowledge management, accounting and finance, the authors have undertaken a study of the companies listed on the BM&FBovespa, based on secondary data, using a multi-industrial cut, over the period 2005 to 2014, using descriptive and multivariate statistics.

Findings

The analysis supports three major conclusions: IC influences positively the profitability and corporate return of these companies; the more intangible-intensive public companies listed on the BM&FBovespa demonstrate higher financial sustainability than the others, in terms of profitability and corporate return, either individually, globally or by industry; and that IC helps increase financial performance, systematically, over time.

Research limitations/implications

Contributions of the following types were sought: theoretical (increasing an understanding of the effects of IC on business performance from a long-term perspective – an understanding that is still only incipient in the management literature); and empirical (increasing an understanding of the role of IC in the differentiation of companies, in organisational profitability and on the return on applications of resources).

Practical implications

The original proposal for the measurement of financial performance presented in this paper proved to be valid and consistent, complementing what is known about the subject under examination, contributing to the improvement of management theory and practice and providing a competitive benchmarking process. This can make it possible for company analysts or managers to evaluate their company in relation to its industry or its market as a whole by means of such indicators, individually or combined with other quantitative or qualitative metrics.

Originality/value

The results of this research reduce a gap in the management and accounting literature, as they shed light on the performance measurement process. In addition to the range and depth of the statistical tests carried out, attention should be drawn to the originality of the proposal presented in this paper. This facilitates the measurement of the effects of IC on financial performance through the selection and application of specific indicators for the assessment of the contribution of IC to organisational results.

Details

Journal of Intellectual Capital, vol. 18 no. 3
Type: Research Article
ISSN: 1469-1930

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Article
Publication date: 4 March 2022

Ricardo Vinícius Dias Jordão, Vander Ribeiro de Almeida and Jorge Novas

The purpose of this paper is to analyze the influence of intellectual capital (IC) on sustainable economic and financial performance (EFP) and value creation (VC) in Brazilian…

1296

Abstract

Purpose

The purpose of this paper is to analyze the influence of intellectual capital (IC) on sustainable economic and financial performance (EFP) and value creation (VC) in Brazilian companies.

Design/methodology/approach

Based on finance and accounting theories, a quantitative and descriptive long-term study was carried out in the companies listed on the Brazil Stock Exchange and Over-the-Counter Market (B3), covering 20 years period.

Findings

The results indicate that IC positively influences profitability, corporate return and organizational value sustainably; the most intangible-intensive Brazilian companies listed on B3 presented more robust results than the least intangible-intensive; and IC contributes to a systematic increase in EFP and VC over time.

Research limitations/implications

Using a well-established metric, the IC-INDEX, the IC and its effects were measured, obtaining theoretical contributions (expanding the understanding of the IC influence in sustainable EFP and VC from a long-term perspective – one subject still unexplored in the literature); and empirical (increasing the understanding of the IC’s role as a driver of competitiveness, performance and organizational value).

Practical implications

This study increases the understanding of the theoretical and practical effects of IC, also providing a competitive benchmarking process to access sustainable EFP and VC of companies and their industries.

Originality/value

The originally applied and validated proposal extends existing theory by offering a set of indicators to scale the contribution of IC to competitiveness from the perspective of long-term (historical) corporate outcomes.

Details

The Bottom Line, vol. 35 no. 1
Type: Research Article
ISSN: 0888-045X

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Article
Publication date: 9 April 2024

Gabriela Pedro Gomes, Arnaldo Coelho and Neuza Ribeiro

The interest in sustainable human resource management has grown in the last decades. However, comprehensive, and systematic research concentrating on the evolution of this field…

459

Abstract

Purpose

The interest in sustainable human resource management has grown in the last decades. However, comprehensive, and systematic research concentrating on the evolution of this field, is still needed. The purpose of this study is to provide an overview and synthesis of the existing body of knowledge on human resource management (HRM) related to sustainability through a bibliometric study of articles published until 2022, identifying the most relevant research in this field. In the literature review, special attention is given to articles that link sustainable HRM to employees’ attitudes, identifying gaps and future research opportunities.

Design/methodology/approach

A bibliometric analysis and literature review was conducted over 105 documents obtained from the WoS database, using VOSviewer software program, from which 27 were selected for full-text reading. The applied database filters were: document type (article and early access); index (SSCI and SCI-expanded) and year (2019–2022).

Findings

The results show that: sustainable HRM literature is growing, especially after 2019; “Sustainability” is the journal with more publications; and England is the leading country. The network of co-occurrence of keywords analysis unveiled that performance, job satisfaction and behaviors are the most frequently studied topics in HRM.

Practical implications

For successful adoption of sustainable HRM practices, organizations should engage all staff comprehensively, focusing not only on consistent implementation but also on fostering a supportive organizational climate. This is vital for establishing a sustainable workplace where employees who strongly identify with the organization are less willing to leave it.

Originality/value

Through the Systematic Literature Review carried out on the articles published from 2019 to 2022, it was possible to identify opportunities for future research. These topics include employees' perceptions of the implementation of sustainable HRM practices in companies, as well as the impact of these practices on their attitudes and behaviors, taking into account the various HRM practices.

Details

Journal of Organizational Effectiveness: People and Performance, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 2051-6614

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Article
Publication date: 1 October 2019

Cristiane Oliveira Viana, Hermes Carvalho, José Correia, Pedro Aires Montenegro, Raphael Pedrosa Heleno, Guilherme Santana Alencar, Abilio M.P. de Jesus and Rui Calçada

The purpose of this paper is to evaluate the fatigue process through the dynamic analysis of the global structural model and local static sub-modelling in a critical detail using…

336

Abstract

Purpose

The purpose of this paper is to evaluate the fatigue process through the dynamic analysis of the global structural model and local static sub-modelling in a critical detail using the hot-spot stress approach. The detail was studied in three different positions at the “Alcácer do Sal” access viaduct, and the methodologies from the IIW and Eurocode EN 1993-1-9 were compared.

Design/methodology/approach

In this study, the fatigue life process based on the hot-spot stress approach was evaluated using a global dynamic analysis and a local sub-modelling based on a static analysis of welded connections in the “Alcácer do Sal” railway structure, Portugal, taking into consideration the recommendations from IIW and Eurocode EN 1993-1-9. The hot-spot stresses were calculated through the static analysis of the sub-model of the welded connection for each vibration mode with the aim to obtain the temporal stresses using the modal coordinates and modal stresses of the extrapolation points. The Ansys® and Matlab® softwares were used for the numerical analysis and the hot-spot stress calculations, respectively.

Findings

The proposed methodology/approach to obtain fatigue assessment is based on the modal analysis of the global structural model and local static sub-modelling. The modal analysis was used to extract the boundary conditions to be used in the local model to determine the temporal stresses of the extrapolation points. Based on the modal superposition method, the stresses as function of time were obtained for fatigue life evaluation of a critical detail by the hot-spot stress approach. The detail was studied in three different positions.

Originality/value

In the present study, a global-local fatigue methodology based on dynamic analysis of the global structural model and local static sub-modelling of the critical detail using the hot-spot stress approach is proposed. Herein, the modal analysis of the global structural model supported by the modal superposition method was used to obtain the matrix of modal coordinates. The static analysis of the local sub-model for each mode from the modal analysis of global structural model was done to estimate the hot-spot stresses. The fatigue damage calculation was based on S-N curve of the critical detail and rainflow method. The IIW recommendation proved to be more conservative compared to the proposed rules in the Eurocode EN 1993-1-9. The global-local modelling based on dynamic analysis is an important and effective tool for fatigue evaluation in welded joints.

Details

International Journal of Structural Integrity, vol. 12 no. 1
Type: Research Article
ISSN: 1757-9864

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Article
Publication date: 2 May 2017

Tony Fang, Josephine Schaumburg and Daniella Fjellström

The purpose of this study was to explore an innovative strategy for studying the Brazilian negotiator’s unique and paradoxical characteristics from a cultural point of view to…

3745

Abstract

Purpose

The purpose of this study was to explore an innovative strategy for studying the Brazilian negotiator’s unique and paradoxical characteristics from a cultural point of view to acquire a better understanding of the nature of international business negotiations in Brazil.

Design/methodology/approach

The study is of a qualitative nature, using a multiple-case study design at three levels (small-, medium- and large-scale negotiations). Interviews were conducted with Brazilian and German managers to capture the emic–etic view of the Brazilian negotiator. The Strategic Trinity Model was developed to assess the behavior of the Brazilian negotiator in agreement with three metaphors: “African Capoeirista”, “Portuguese Bureaucrat” and “Indigenous Warrior”.

Findings

The three roles “African Capoeirista”, “Portuguese Bureaucrat” and “Indigenous Warrior” comprised similar as well as contradicting characteristics. The Brazilian negotiator chose naturally and even paradoxically from these role features, effectively negotiating any given situation, context and time. During the pre- and post-negotiation phases, traits of the “African Capoeirista” and “Indigenous Warrior” were the most salient. During the formal negotiation phase, however, the characteristics of the “African Capoeirista” and “Portuguese Bureaucrat” dominated.

Research limitations/implications

International business negotiations in Brazil call for an in-depth comprehension of the paradoxical roles that local negotiators take on to achieve better negotiation outcomes.

Originality/value

The present study unveiled the contradicting Brazilian negotiating style in international business negotiations, thus acquiring a better understanding of the negotiation process in the Brazilian market.

Details

Journal of Business & Industrial Marketing, vol. 32 no. 4
Type: Research Article
ISSN: 0885-8624

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Article
Publication date: 8 May 2017

Pedro Gaudencio, Arnaldo Coelho and Neuza Ribeiro

The purpose of this paper is to show how organizational corporate social responsibility (CSR) can influence workers’ attitudes and behaviors, especially in terms of affective…

1582

Abstract

Purpose

The purpose of this paper is to show how organizational corporate social responsibility (CSR) can influence workers’ attitudes and behaviors, especially in terms of affective commitment (AC), job satisfaction (JS), and turnover intention (TI). A second aim is to explore the social exchange process that may underlie this relationship, by examining the mediating role of organizational trust (OT).

Design/methodology/approach

The authors employ structural equation modeling based on survey data obtained from 315 Portuguese individuals.

Findings

The findings show that perceptions of CSR predict workers’ attitudes and behaviors directly through the mediating role of OT. They suggest that managers should implement CSR practices because these can contribute toward fostering OT, improving workers’ AC and JS, and reducing TI.

Originality/value

This study enriches the existing knowledge about social exchange relationships in organizational contexts, and responds to the need to understand underlying mechanisms linking CSR with workers’ organizational outcomes, by analyzing CSR practices in a holistic stakeholder perspective.

Details

Journal of Management Development, vol. 36 no. 4
Type: Research Article
ISSN: 0262-1711

Keywords

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