Shujuan Hou, Zhidan Zhang, Xujing Yang, Hanfeng Yin and Qing Li
The purpose of this paper is to optimize a new thin-walled cellular configurations with crashworthiness criteria, so as to improve the crashworthiness of components of a vehicle…
Abstract
Purpose
The purpose of this paper is to optimize a new thin-walled cellular configurations with crashworthiness criteria, so as to improve the crashworthiness of components of a vehicle body.
Design/methodology/approach
ANSYS Parametric Design Language is used to create the parameterized models so that the design variables can be changed conveniently. Moreover, the surrogate technique, namely response surface method, is adopted for fitting objective and constraint functions. The factorial design and D-optimal criterion are employed to screen active parameters for constructing the response functions of the specific energy absorption and the peak crushing force. Finally, sequential quadratic programming-NLPQL is utilized to solve the design optimization problem of the new cellular configurations filled with multi-cell circular tubes under the axial crushing loading.
Findings
Two kinds of distribution modes of the cellular configurations are first investigated, which are in an orthogonal way and in a diamond fashion. After comparing the optimized configurations of the rectangular distribution with the annular distribution of the multi-cell fillers, it is found that the orthogonal way seems better in the aspects of crashworthiness than the diamond fashion.
Originality/value
The two new thin-walled cellular configuration are studied and optimized with the crashworthiness criteria. Study on the new cellular configurations is very valuable for improving the crashworthiness of components of a vehicle body. Meanwhile, the factorial design and the factor screening are adopted in the process of the crashworthiness optimization of the new thin-walled cellular configurations.
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Bo Yang, Shujuan Ye and Mohammadreza Bandarchi
This paper tries to examine attitude toward knowledge sharing (KS) for improving the innovation in medical services. So, this paper aims to analyze the influence of information…
Abstract
Purpose
This paper tries to examine attitude toward knowledge sharing (KS) for improving the innovation in medical services. So, this paper aims to analyze the influence of information technology (IT), staff, hospital cultures and patients and their families on the attitude toward KS and also examine the influence of attitude toward KS on innovation in medical services.
Design/methodology/approach
This paper presented a project plan that contains five research hypotheses, with attitude toward KS as a mediating construct. In this paper, Smart PLS 3.0 is implemented to study the calculation. The hypotheses are tested on data collected using structural equation modeling. Data was collected using questionnaires from a hospital in Iran. The statistical population of this research is unlimited. Through using the sample measurement method, the sample size for structural equations has come to be 384.
Findings
The results showed that all theories of the project are proved. Also, they indicated the importance of IT as an important factor in attitude toward KS and the latter's influence on the innovation in medical services. Furthermore, the attitude toward KS influences positively on innovation in medical services. As a general result, the managers of health organizations should empower employees to participate in decision-making and encourage them to resolve problems together and share medical information to promote innovation in medical services.
Research limitations/implications
This research must be carefully defined and accepted because the study information had special restrictions. At first, a prejudice was created, because the sample was self-selected. Second, the participants were living in Iran. There were different cultures and lifestyles among countries. Third, this research sample consisted only of hospital staff and managers. Moreover, little empirical research has been conducted on this topic in Iran. Iran’s culture is considerably different from Western culture, and it is unknown whether the same questionnaire that is used in the Iran context can be used in the Western context. In further studies, this research could be extended to contain other psychosocial elements that permit KS in institutions and increase innovation.
Practical implications
The medical industry is knowledge-intensive, remains a competitive advantage and accumulates knowledge, and the hospitals are the main subject. The role of this research according to providing a functional-theoretical plan enables authorities and practitioners to access thoughts about efficient stimulation attitude toward KS on innovation in medical services in the health sector. Also, the findings of this study at the same time are implemented to study relations between knowledge-sharing elements such as enablers, processes and firm innovation capability.
Originality/value
Modern study design enables the relations between IT and other influential elements on attitude toward KS and innovation in medical services to be analyzed. This design determines the coexistence of the participation and contest relations among participants, which is not studied in past researches. From a management point of view, this research determined various elements essential to a successful attitude toward KS and investigated the usage of these elements for improving innovation in medical services.
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Yining Zeng, Rongxing Duan, Shujuan Huang and Tao Feng
This paper aims to deal with the problems of failure dependence and common cause failure (CCF) that arise in reliability analysis of complex systems.
Abstract
Purpose
This paper aims to deal with the problems of failure dependence and common cause failure (CCF) that arise in reliability analysis of complex systems.
Design/methodology/approach
Firstly, a dynamic fault tree (DFT) is used to capture the dynamic failure behaviours and converted into an equivalent generalized stochastic petri net (GSPN) for quantitative analysis. Secondly, an efficient decomposition and aggregation (EDA) theory is combined with GSPN to deal with the CCF problem, which exists in redundant systems. Finally, Birnbaum importance measure (BIM) is calculated based on the EDA approach and GSPN model, and it is used to take decisions for system improvement and fault diagnosis.
Findings
In this paper, a new reliability evaluation method for dynamic systems subject to CCF is presented based on the DFT analysis and the GSPN model. The GSPN model is easy to capture dynamic failure behaviours of complex systems, and the movement of tokens in the GSPN model represent the changes in the state of the systems. The proposed method takes advantage of the GSPN model and incorporates the EDA method into the GSPN, which simplifies the reliability analysis process. Meanwhile, simulation results under different conditions show that CCF has made a considerable impact on reliability analysis for complex systems, which indicates that the CCF should not be ignored in reliability analysis.
Originality/value
The proposed method combines the EDA theory with the GSPN model to improve the efficiency of the reliability analysis.
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Xin Liang, Lin Xiu, Sibin Wu and Shujuan Zhang
Private firms in China are like the third child in a family, constantly struggling to establish their position in an environment favoring their state-owned and collective…
Abstract
Purpose
Private firms in China are like the third child in a family, constantly struggling to establish their position in an environment favoring their state-owned and collective siblings. The purpose of this paper is to discover some long-term-oriented legitimacy building strategies for private firms in China.
Design/methodology/approach
This paper examines the effect of both internal and external institutional factors on long-term legitimacy for private enterprises. The authors integrate stakeholder perspective and institutional theory to provide a framework of building sustainable legitimacy.
Findings
The authors’ framework delineates that a private company can build sustainable legitimacy through catering long-term legitimacy conferring to constituents such as customers, social responsibility and patriotism in the external institutional environment.
Practical implications
The authors’ framework further indicates how private firms could leverage internal institutional environment through developing appropriate mission, culture, leadership and human resources practices in conformity to the demands of constituents for gaining long-term legitimacy.
Originality/value
This paper is the first to address the short-term nature of legitimacy building strategies proposed in the past literature. In addition, it is also the first attempt to explore the multiplicity in legitimacy in China in search of long-term legitimacy building approaches.
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Nicola Cobelli and Emanuele Blasioli
The purpose of this study is to introduce new tools to develop a more precise and focused bibliometric analysis on the field of digitalization in healthcare management…
Abstract
Purpose
The purpose of this study is to introduce new tools to develop a more precise and focused bibliometric analysis on the field of digitalization in healthcare management. Furthermore, this study aims to provide an overview of the existing resources in healthcare management and education and other developing interdisciplinary fields.
Design/methodology/approach
This work uses bibliometric analysis to conduct a comprehensive review to map the use of the unified theory of acceptance and use of technology (UTAUT) and the unified theory of acceptance and use of technology 2 (UTAUT2) research models in healthcare academic studies. Bibliometric studies are considered an important tool to evaluate research studies and to gain a comprehensive view of the state of the art.
Findings
Although UTAUT dates to 2003, our bibliometric analysis reveals that only since 2016 has the model, together with UTAUT2 (2012), had relevant application in the literature. Nonetheless, studies have shown that UTAUT and UTAUT2 are particularly suitable for understanding the reasons that underlie the adoption and non-adoption choices of eHealth services. Further, this study highlights the lack of a multidisciplinary approach in the implementation of eHealth services. Equally significant is the fact that many studies have focused on the acceptance and the adoption of eHealth services by end users, whereas very few have focused on the level of acceptance of healthcare professionals.
Originality/value
To the best of the authors’ knowledge, this is the first study to conduct a bibliometric analysis of technology acceptance and adoption by using advanced tools that were conceived specifically for this purpose. In addition, the examination was not limited to a certain era and aimed to give a worldwide overview of eHealth service acceptance and adoption.