Elen Riot, Cecile Chamaret and Emmanuelle Rigaud
As some areas of the luxury market have been industrializing because of their expanding scale and scope, the commoditization trend is threatening luxury brands along the value…
Abstract
Purpose
As some areas of the luxury market have been industrializing because of their expanding scale and scope, the commoditization trend is threatening luxury brands along the value chain. Too many products might flood the market. Because the commodity trap has not so far been commonly referred to as the source of the problem, the efforts of firms to decommoditize have seldom been described. The purpose of this paper is to describe and interpret one type of successful reaction to this problem: the exclusive partnership made by Louis Vuitton with artist Takashi Murakami. The paper identifies the strategy along the value chain and its step by step implementation and influence on commoditization.
Design/methodology/approach
The paper identifies the strategy behind this partnership and its step by step implementation. It uses a qualitative method because it would like to understand complex phenomenon and explore in depth, some strategic operations and decisions. More precisely, it is a case study research because it works on a contemporary situation and allows to retain the meaningful characteristics of real-life events as organizational, managerial and social processes
Findings
LV strategy raises the difficulty for competitors to imitate or to propose same value products as the value added to LV product is almost unique with Murakami ' s touch. With this strategy they impact commoditization as defined by Reimann et al. Also, we formulate a few recommendations and insist on the integration of all the parts of the upstream value chain- especially operations – to achieve a successful long-term retail strategy.
Research limitations/implications
There are no research on partnerships between art and luxury. Our extensive analysis of the partnership between LV and Murakami gives a comprehensive view of how this kind of collaboration helps to fight back commoditization. However, more case studies should be studied to know if the strategy is replicable.
Practical implications
This research gives a comprehensive analysis of the adaptation of the value chain to make the partnership a success. It also underlines the need to conduct and to adapt the whole value chain to the specifities of the artist.
Originality/value
There are few research investigating the links and partnerships between artists and luxury brands. The originality is to describe a particular partnership concerning all the parts of the upstream value chain – especially operations – it also makes recommendations concerning potential partnerships between art and luxury to fight back against commoditization.
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This article considers a series of ways in which hierarchy is ontologically and politically opposed to flatness, particularly in the work of the artist Takashi Murakami and the…
Abstract
This article considers a series of ways in which hierarchy is ontologically and politically opposed to flatness, particularly in the work of the artist Takashi Murakami and the cultural critic Dick Hebdige. It explores the attractions and problems of flatness as an alternative to hierarchy, but concludes that both are equally two-dimensional representations of organizing. Instead, alternative organizers with a commitment to anti-hierarchical practices would be better learning from the three-dimensional practical examples of anarchism, feminism, socialism and environmentalism.
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Yoshihiko Uematsu, Toshifumi Kakiuchi, Akiko Tajiri and Masaki Nakajima
The purpose of this paper is the proposal of fatigue-life-prediction curve for cast aluminum alloy A356-T6 with different casting defect sizes.
Abstract
Purpose
The purpose of this paper is the proposal of fatigue-life-prediction curve for cast aluminum alloy A356-T6 with different casting defect sizes.
Design/methodology/approach
Four kinds of A356-T6 fatigue specimens were sampled from the actual large-scale cast component, where the cooling rates were different. In addition, three kinds of A356 were casted under different casting conditions to simulate different defect sizes in the actual component. Subsequently, rotating bending fatigue tests were conducted using those samples. The maximum sizes of casting defects were quantitatively evaluated through microstructural observation and extreme value statistics. The fatigue limits of all samples were predicted using hardness and defect sizes based on modified Murakami’s equation.
Findings
The modified equation for fatigue limit prediction in A356-T6 was proposed. Fatigue limits were successfully predicted using the proposed equation.
Originality/value
Fatigue limit prediction method using hardness and maximum defect size was limited to steels. This paper proposed the modified method for A356-T6 aluminum alloy with lower elastic modulus. The method was valid for A356-T6 with different defect sizes.
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Anton Emil Odermatt, Lexuri Vázquez, Pedro Álvarez and Nikolai Kashaev
There is still a need for a comprehensive investigation into how wire and arc manufactured (WAAM) parts fail under cyclic loading. This study investigates the effect of…
Abstract
Purpose
There is still a need for a comprehensive investigation into how wire and arc manufactured (WAAM) parts fail under cyclic loading. This study investigates the effect of process-induced defects on the high-cycle fatigue performance of WAAM-processed Ti-6Al-4V with dedicated thermal treatment. Furthermore, the study assesses the applicability of the fatigue life prediction model, which was originally developed and validated for laser beam-welded Ti-6Al-4V joints, to WAAM-fabricated structures.
Design/methodology/approach
The fatigue life assessment model was adapted to WAAM-fabricated Ti-6Al-4V. This model is based on the NASGRO equation, which considers short crack growth from internal and surface defects, such as lack of fusion defects and pores. The model was used to create artificial Wöhler curves, and the results from stress intensity factor range-decreasing fatigue crack propagation rate tests are compared to the experimental data in the form of a Kitagawa–Takahashi (KT) diagram.
Findings
The results demonstrate that the model can accurately predict the minimum fatigue life of specimens extracted from WAAM structures. When considering that the crack from internal defects grows in a vacuum-like environment, accurate Wöhler curves are predicted. The experimental data does not follow the expected trends of the KT diagram. Nonetheless, the measured long crack threshold stress intensity factor range produces a suitable estimate of defect severity.
Originality/value
The study results in a model with which a probabilistic computation of the fatigue life of additively manufactured samples based on the defect size distribution is possible. Furthermore, the KT diagram as a criterion for the assessment of defect severity is evaluated.
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Mokhtar Bouazza and Noureddine Benseddiq
The purpose of this paper is to investigate an analytical modeling for the thermoelastic buckling behavior of functionally graded (FG) rectangular plates (FGM) under thermal…
Abstract
Purpose
The purpose of this paper is to investigate an analytical modeling for the thermoelastic buckling behavior of functionally graded (FG) rectangular plates (FGM) under thermal loadings. The material properties of FGM are assumed to vary continuously through the thickness of the plate, according to the simple power-law distribution. Derivations of equations are based on novel refined theory using a new hyperbolic shear deformation theory. Unlike other theories, there are only four unknown functions involved, as compared to five in other shear deformation theories. The theory presented is variationally consistent and strongly similar to the classical plate theory in many aspects. It does not require the shear correction factor, and gives rise to the transverse shear stress variation so that the transverse shear stresses vary parabolically across the thickness to satisfy free surface conditions for the shear stress. In addition, numerical results for a variety of FG plates with simply supported edge are presented and compared with those available in the literature. Moreover, the effects of geometrical parameters of dimension the length to width aspect ratio (a/b), the plate width to thickness ratio (b/h), and material properties index (k) on the FGM buckling temperature difference are determined and discussed.
Design/methodology/approach
In the current paper, the application of the refined theory proposed by Shimpi is based on the assumption that the in-plane and transverse displacements consist of bending and shear components in which the bending components do not contribute toward shear forces and, likewise, the shear components do not contribute toward bending moments. The most interesting feature of this theory is that it accounts for a quadratic variation of the transverse shear strains across the thickness, and satisfies the zero traction boundary conditions on the top and bottom surfaces of the plate without using shear correction factors. It is extended to the analysis of buckling behavior of ceramic-metal FG plates subjected to the three types of thermal loadings, namely; uniform temperature rise, linear temperature change across the thickness, and nonlinear temperature change across the thickness. The material properties of the FG plates are assumed to vary continuously through the thickness of the plate, according to the simple power-law distribution. Numerical results for a variety of FG plates with simply supported edges are given and compared with the available results, wherever possible. Additionally, the effects of geometrical parameters and material properties on the buckling temperature difference of FGM plates are determined and discussed.
Findings
Unlike any other theory, the theory presented gives rise to only four governing equations. Number of unknown functions involved is only four, as against five in case of simple shear deformation theories of Mindlin and Reissner (first shear deformation theory). The plate properties are assumed to be varied through the thickness following a simple power-law distribution in terms of volume fraction of material constituents. The theory presented is variationally consistent, does not require shear correction factor, and gives rise to transverse shear stress variation such that the transverse shear stresses vary parabolically across the thickness satisfying shear stress free surface conditions.
Originality/value
To the best of the authors’ knowledge, there are no research works for thermal buckling analysis of FG rectangular plates based on new four-variable refined plate theory (RPT). The novelty of this paper is extended the use of the above-mentioned RPT with the addition of a new function proposed by Shimpi for thermal buckling analysis of plates made of FG materials. Unlike any other theory, the number of unknown functions involved is only four, as against five in the case of other shear deformation theories. The theory takes account of transverse shear effects and parabolic distribution of the transverse shear strains through the thickness of the plate, hence it is unnecessary to use shear correction factors. The plates subjected to the two types of thermal loadings, namely; uniform temperature rise and nonlinear temperature change across the thickness. Numerical results for a variety of FG plates with simply supported edges are given and compared with the available results.
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Reza Fallahtafti and Mohammadjavad Mahdavinejad
Natural ventilation is an environmentally friendly effective way of improving thermal comfort and the quality of indoor conditions if applied properly. This study aims to…
Abstract
Purpose
Natural ventilation is an environmentally friendly effective way of improving thermal comfort and the quality of indoor conditions if applied properly. This study aims to investigate the physical mechanism of the air movement and also the influence of building geometry in a cross-ventilated room through a parametric study of window geometrical characteristics using computational fluid dynamics.
Design/methodology/approach
Momentum and continuity equations are solved by the control volume method using a commercially available software. Standard k−ɛ turbulence model is employed to simulate the incompressible airflow and SIMPLE algorithm to solve the conservation equations. Mean air velocity magnitude is measured at three different surfaces of different heights, and the effect of incoming wind velocity inside the building is studied.
Findings
The research concluded that window hood and sill projections reduce indoor wind velocity magnitude, play a major role in incoming wind direction and thus have a crucial impact on wind circulation and indoor air quality.
Social implications
The paper has evaluated redesigning of a both practical and ornamental architectural element named Palekaneh, which is found in many historical buildings in several hot places in the world. Its optimal design could increase indoor natural ventilation quality and decrease a space's cooling load. Therefore, a new passive cooling architectural element could be re-introduced to the regions previously enjoying such ornaments. This is economically efficient because it eventually saves a considerable amount of energy in the long run and is socially important because of the revitalization of architectural identity.
Originality/value
The role of a building envelope's physical features, although being studied for solar absorption and daylight availability, has rarely been investigated for natural ventilation, especially in a small scale, thus making the paper novel in this regard. This provides a guideline for designers to assess the impact of their design on redirecting wind-induced natural ventilation the very early stages of design.
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The aim of this paper was to describe the aesthetics of self-realization as a way to overcome depersonalization, routinization, and linear temporality in the organizational…
Abstract
The aim of this paper was to describe the aesthetics of self-realization as a way to overcome depersonalization, routinization, and linear temporality in the organizational setting. Artists’ self-portraits (Rembrandt, Van Gogh, and Dali) are used as metaphors of organizational life. In doing so, they could enable organizational members to reinvent modes of thinking, speaking, and behaving in the workplace. Philosophical novels (Kafka, Proust, and Murakami) could also unveil hidden aspects of human existence that are quite relevant for the organizational life. Artists’ self-portraits and philosophical novels could then help organizational members to avoid estranged depersonalization, while designing their own project of self-realization. Reinventing the real world of organizational life implies to emphasize both moral imagination (against routinization) and openness to all kinds of temporality (against linear temporality). Describing the aesthetics of self-realization could make organizational members more aware of their capacity to endorse radical humanism without destroying the organization itself.
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Kousaku Igawa, Kunihiko Higa and Tsutomu Takamiya
The purpose of this paper is to examine the efficacy of the Japanese ten-item personality inventory (TIPI-J), a short version of the big five (BF) questionnaire, on crowdsourcing…
Abstract
Purpose
The purpose of this paper is to examine the efficacy of the Japanese ten-item personality inventory (TIPI-J), a short version of the big five (BF) questionnaire, on crowdsourcing. The BF traits are indicators of personality and are said to be an effective predictor of study performance in various occupations. BF can be used in crowdsourcing to predict crowd workers’ performance; however, it will be difficult to use in practice for two reasons like the time-and-effort issue and the bias issue. In this study, an empirical analysis is conducted on crowdsourcing to examine if TIPI-J can solve those issues.
Design/methodology/approach
To investigate the issues, two tasks are posted on a crowdsourcing provider. Both TIPI-J and full version BF are conducted before and after selecting crowd workers. Structural validity and convergence validity are tested with correlation analysis between before (TIPI-J) and after (full version BF) data to examine the bias issue. Additionally, those correlations are compared with previous study and significances are examined.
Findings
The correlations in “conscientiousness” is 0.45-0.50, respectively, compared with a previous study, those two correlations did not show significance. This indicates that no clear bias exists.
Originality/value
This is the first research to investigate the efficacy of TIPI-J on crowdsourcing and showed that TIPI-J can be a useful tool for predicting crowd workers’ performance and thus it can help to select appropriate crowd workers.
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Anne-Marie Nuñez and Elizabeth Murakami-Ramalho
In this chapter, we explore how our backgrounds as mixed-heritage Latinas influence our work as junior faculty members at a four-year public Hispanic-serving institution (HSI)…
Abstract
In this chapter, we explore how our backgrounds as mixed-heritage Latinas influence our work as junior faculty members at a four-year public Hispanic-serving institution (HSI). Drawing on the conceptual lens of intersectionality, we address the question: how do our multiple social identities affect our identity development and socialization as faculty members?
As part of a critical mass of junior Latina scholars studying educational issues pertinent to the Latina community, we build a sense of community in what can be an isolated environment for women faculty of color. Using our own examples, we examine how two faculty members who might be considered “outsiders within” the Latina/o community draw on their Latinidad as a source of strength to employ their academic work in advancing social justice for Latina/os. Our identities have influenced us to take into account multiple social categories and social contexts in the study of educational phenomena. Serving as faculty within the institutional context of an HSI has distinctively influenced our socialization as new faculty.
We believe that this examination has implications for understanding how people can build cross-cultural collaborations and identify productively with communities that may not necessarily recognize them as “authentic.” Our exploration also offers insights for building a more inclusive academy, particularly for junior scholars from historically underrepresented backgrounds. Based on the themes identified in this research, we draw recommendations for university personnel interested in the recruitment and retention of Latina junior faculty. More broadly, this research has implications for developing support systems for faculty members who have been historically underrepresented in their fields and those who study marginalized populations.
Safdar Shah Khan, Suleman Aziz Lodhi, Faiza Akhtar and Irshad Khokar
The purpose of this paper is to analyze the recent global situation on waste of electric and electronic equipment (WEEE) management and recommend policy directions for designing…
Abstract
Purpose
The purpose of this paper is to analyze the recent global situation on waste of electric and electronic equipment (WEEE) management and recommend policy directions for designing environmental strategies.
Design/methodology/approach
Qualitative research approach is adopted to review studies on WEEE management in developed and developing countries. The focus is to critically consider the available options for its safe management.
Findings
Approximately 40-50 million tons of WEEE is generated worldwide annually and most of it is dumped in the developing countries. WEEE is not a challenge to be faced by a single country as it has trans-boundary effects and ultimately the contamination reaches back to the developed countries with a lapse of time.
Research limitations/implications
Data availability on WEEE generation and disposal is in initial stages.
Practical implications
Developing countries in Asia and Africa do not have resources to handle WEEE. The unregulated and unsafe WEEE management practices in these countries let hazardous materials to disseminate into the marine life and global ecosystem.
Originality/value
The paper recommends policy directions to deal with the emerging issue that may have globally far reaching consequences.