Generative design and analysis of a double-wishbone suspension assembly: a methodology for developing constraint oriented solutions for optimum material distribution

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Aayush Bhat ◽  
Vyom Gupta ◽  
Savitoj Singh Aulakh ◽  
Renold S. Elsen
Keyword(s):  
Design Methodology ◽  
Manufacturing Industry ◽  
Optimization Technique ◽  
Design Solution ◽  
Material Distribution ◽  
Generative Design ◽  
Trade Off ◽  
Content Type ◽  
Life Study ◽  
Optimal Material

Purpose The purpose of this paper is to implement the generative design as an optimization technique to achieve a reasonable trade-off between weight and reliability for the control arm plate of a double-wishbone suspension assembly of a Formula Student race car. Design/methodology/approach The generative design methodology is applied to develop a low-weight design alternative to a standard control arm plate design. A static stress simulation and a fatigue life study are developed to assess the response of the plate against the loading criteria and to ensure that the plate sustains the theoretically determined number of loading cycles. Findings The approach implemented provides a justifiable outcome for a weight-factor of safety trade-off. In addition to optimal material distribution, the generative design methodology provides several design outcomes, for different materials and fabrication techniques. This enables the selection of the best possible outcome for several structural requirements. Research limitations/implications This technique can be used for applications with pre-defined constraints, such as packaging and loading, usually observed in load-bearing components developed in the automotive and aerospace sectors of the manufacturing industry. Practical implications Using this technique can provide an alternative design solution to long periods spent in the design phase, because of its ability to generate several possible outcomes in just a fraction of time. Originality/value The proposed research provides a means of developing optimized designs and provides techniques in which the design developed and chosen can be structurally analyzed.

scholarly journals Monopoly behavior of China’s manufacturing enterprises

2019 ◽  
Vol 2 (1) ◽  
pp. 157-179
Author(s):  
Guidong Wang
Keyword(s):  
Design Methodology ◽  
Manufacturing Industry ◽  
Rent Seeking ◽  
Content Type ◽  
Manufacturing Enterprises ◽  
Slow Decline ◽  
State Capital ◽  
The Government ◽  
Do So ◽  
Initial Jump

Purpose With the increase of state capital, corporate total factor productivity (TFP) has a tendency to jump up at first and then slowly decrease. Generally, no significant “productivity paradox” can be observed in China’s manufacturing industry. With the increase of export density, corporate TFP also shows a trend of initial jump growth and subsequent slow decline. This paper aims to discuss these issues. Design/methodology/approach Using the 1996–2013 China Industrial Enterprise Database, this paper studies the monopolistic behavior of Chinese manufacturing enterprises through the measurement of TFP and corporate monopoly power. Findings Results show that China’s manufacturing monopoly enterprises are generally innovation-oriented rather than rent-seeking. However, there are certain differences between diversified types of monopoly enterprises: the ones with state capital are more inclined to innovate than those without, whereas the ones with export delivery value are more inclined to seek rent than those without. Originality/value Therefore, the government should implement differentiated policies for diversified types of monopoly enterprises, and do so in a targeted manner fully reflecting the containment of rent-seeking and the encouragement of innovation.

Heterogeneous investors and trading platforms competition

2015 ◽  
Vol 16 (3) ◽  
pp. 303-320 ◽  
Author(s):  
Nathalie Oriol ◽  
Alexandra Rufini ◽  
Dominique Torre
Keyword(s):  
Design Methodology ◽  
Network Externalities ◽  
International Competitiveness ◽  
Foreign Market ◽  
International Competition ◽  
European Market ◽  
Financial Instruments ◽  
International Context ◽  
Trade Off ◽  
Content Type

Purpose – The purpose of this paper is to consider competition’s issues between European market firms, such as Euronext, and multilateral trading facilities, following Markets in Financial Instruments Directive’s enforcement. This new domestic competition is adding to the existing international competition among financial centers. While diversification of local trading services can improve the international competitiveness of a financial center, the fragmentation of order flows can harm its attractiveness. Design/methodology/approach – The theoretical setting analyzes the interaction between heterogeneous who experiment network externalities, and heterogeneous local trading services providers (alternative platforms and incumbent) in an international context. The authors compare two forms of organizations of the market: a consolidated market, and a fragmented market with alternative platforms – in both cases, in competition with a foreign universe. Findings – The results of this study point out the importance of the trade-off between diversification and externalities. With alternative platforms entry, enhanced competition decreases fees and redistributes informed investors between the foreign market and the domestic one. The increase of domestic platforms’ number then has more complex effects on externalities (of information and liquidity). When the liquidity externalities are low, the diversification of financial platforms increases the number of investors on domestic centers. When liquidity externalities are not negligible, despite the decrease of fees, this same diversification orientates more informed investors to the foreign center. Originality/value – This model is the first to analyze jointly the internal and international competition of trading platforms with heterogeneous investors.

Path analysis for proposed framework of SCM excellence in Indian manufacturing industry

2016 ◽  
Vol 27 (4) ◽  
pp. 577-611 ◽  
Author(s):  
Gunjan Soni ◽  
Rambabu Kodali
Keyword(s):  
Supply Chain ◽  
Path Analysis ◽  
Structural Equation ◽  
Design Methodology ◽  
Manufacturing Industry ◽  
Structural Models ◽  
Statistical Testing ◽  
Model Fit ◽  
Content Type ◽  
Equation Modelling

Purpose – Several authors in extant literature have shown concern towards lacuna in availability of standard constructs in supply chain management (SCM). These standard constructs can represent pillars of SCM excellence. However, frameworks on SCM excellence unlike its contemporary fields are very few. Thus the purpose of this paper is to develop a path analysis for proposed framework of SCM excellence in Indian manufacturing industry proposed by Soni and Kodali (2014) using interpretive structural modelling (ISM) and structural equation modelling (SEM). Design/methodology/approach – The ISM is performed on two exemplary cases of supply chain in Indian manufacturing industry. These cases were selected on the consideration of supply chain excellence index (SCEI), based on the results of an empirical study conducted by Soni and Kodali (2014) in Indian manufacturing industry. The focal manufacturing company which exhibited lowest and highest SCEI were selected as contenders for developing ISM. The relationships among pillars and constructs of SCM excellence framework are obtained from ISM, and later are subjected to statistical testing of model fit by using SEM. The input to SEM was the respondent’s data used in previous study. Findings – The major findings revealed that ISM based on focal company having highest SCEI, is statistically fit for SCM excellence framework, and finally the structural models of the constructs for each pillar of SCM excellence are also formed by using path analysis. Originality/value – The study offers a unique managerial approach for analysing the underlying relationships between pillars of SCM excellence. Researchers can use this study for developing frameworks in various realms of SCM excellence.

A new framework for time-cost trade-off considering float loss impact

2017 ◽  
Vol 22 (1) ◽  
pp. 20-36 ◽  
Author(s):  
Sameh Monir El-Sayegh ◽  
Rana Al-Haj
Keyword(s):  
Optimization Technique ◽  
Time Cost ◽  
Trade Off ◽  
Deterministic Optimization ◽  
Content Type ◽  
Project Duration ◽  
Trade Offs ◽  
Project Objectives ◽  
The Impact ◽  
New Framework

Purpose The purpose of this paper is to propose a new framework for time–cost trade-off. The new framework provides the optimum time–cost value taking into account the float loss impact. Design/methodology/approach The stochastic framework uses Monte Carlo Simulation to calculate the effect of float loss on risk. This is later translated into an added cost to the trade-off problem. Five examples, from literature, are solved using the proposed framework to test the applicability of the developed framework. Findings The results confirmed the research hypothesis that the new optimum solution will be at a higher duration and cost but at a lower risk compared to traditional methods. The probabilities of finishing the project on time using the developed framework in all five cases were better than those using the classical deterministic optimization technique. Originality/value The objective of time–cost trade-off is to determine the optimum project duration corresponding to the minimum total cost. Time–cost trade-off techniques result in reducing the available float for noncritical activities and thus increasing the schedule risks. Existing deterministic optimization technique does not consider the impact of the float loss within the noncritical activities when the project duration is being crashed. The new framework allows project managers to exercise new trade-offs between time, cost and risk which will ultimately improve the chances of achieving project objectives.

Technology jump in the industry: human–robot cooperation in production

2020 ◽  
Vol 47 (5) ◽  
pp. 757-775
Author(s):  
Zoltan Dobra ◽  
Krishna S. Dhir
Keyword(s):  
Design Methodology ◽  
Manufacturing Industry ◽  
Current Status ◽  
Robot System ◽  
Content Type ◽  
New Directions ◽  
Academic Publications ◽  
Robot Cooperation ◽  
Human Robot Collaboration ◽  
Practical Implications

Purpose Recent years have seen a technological change, Industry 4.0, in the manufacturing industry. Human–robot cooperation, a new application, is increasing and facilitating collaboration without fences, cages or any kind of separation. The purpose of the paper is to review mainstream academic publications to evaluate the current status of human–robot cooperation and identify potential areas of further research. Design/methodology/approach A systematic literature review is offered that searches, appraises, synthetizes and analyses relevant works. Findings The authors report the prevailing status of human–robot collaboration, human factors, complexity/ programming, safety, collision avoidance, instructing the robot system and other aspects of human–robot collaboration. Practical implications This paper identifies new directions and potential research in practice of human–robot collaboration, such as measuring the degree of collaboration, integrating human–robot cooperation into teamwork theories, effective functional relocation of the robot and product design for human robot collaboration. Originality/value This paper will be useful for three cohorts of readers, namely, the manufacturers who require a baseline for development and deployment of robots; users of robots-seeking manufacturing advantage and researchers looking for new directions for further exploration of human–machine collaboration.

Topological Optimization Technique for Free Vibration Problems

1995 ◽  
Vol 62 (1) ◽  
pp. 200-207 ◽  
Author(s):  
Zheng-Dong Ma ◽  
Noboru Kikuchi ◽  
Hsien-Chie Cheng ◽  
Ichiro Hagiwara
Keyword(s):  
Free Vibration ◽  
Optimization Algorithm ◽  
Optimization Problem ◽  
Optimization Technique ◽  
Topological Optimization ◽  
Material Distribution ◽  
Eigenvalue Optimization ◽  
Shift Parameter ◽  
Vibration Problems ◽  
Optimal Material

A topological optimization technique using the conception of OMD (Optimal Material Distribution) is presented for free vibration problems of a structure. A new objective function corresponding to multieigenvalue optimization is suggested for improving the solution of the eigenvalue optimization problem. An improved optimization algorithm is then applied to solve these problems, which is derived by the authors using a new convex generalized-linearization approach via a shift parameter which corresponds to the Lagrange multiplier and the use of the dual method. Finally, three example applications are given to substantiate the feasibility of the approaches presented in this paper.

Australian customer willingness to pay and wait for mass-customised products

2018 ◽  
Vol 30 (1) ◽  
pp. 106-120 ◽  
Author(s):  
Hassan Daronkola Kalantari ◽  
Lester Johnson
Keyword(s):  
Cluster Analysis ◽  
Design Methodology ◽  
Additional Time ◽  
Market Segments ◽  
Trade Off ◽  
Content Type ◽  
Mass Customisation ◽  
Product Categories ◽  
Trade Offs ◽  
To Receive

Purpose The purpose of this paper is to find out how consumers constantly trade off the potential extra cost of mass customisation with the additional time they have to wait to receive their customised products. Design/methodology/approach The authors examine this issue by using conjoint analysis to estimate the trade-offs using a sample of Australian consumers. The authors use cluster analysis to form market segments in the three product categories examined. Findings The segments demonstrate that there are groups of customers who are quite willing to trade-off price with waiting time. The results have significant implications for Australian manufacturers who are contemplating moving into mass customisation. Originality/value Many researchers have investigated the issue of a customer’s readiness to buy a customised product. In particular, they have examined whether customers are willing to pay extra for a mass-customised product, whether they would spend some time to design it, as well as wait to receive it. There has been no study that has examined all three factors simultaneously. The results of this study can help manufacturers form a better understanding of customer willingness for purchasing mass-customised products.

Prompting additional purchases while providing service: does it offend the customer?

2016 ◽  
Vol 26 (5) ◽  
pp. 657-680 ◽  
Author(s):  
Hsuan-Hsuan Ku ◽  
Chih-Yun Huang
Keyword(s):  
Design Methodology ◽  
Psychological Reactance ◽  
Self Monitoring ◽  
Trade Off ◽  
Content Type ◽  
The Core ◽  
Personal Variables ◽  
Core Service ◽  
Perceived Relevance ◽  
Supplementary Service

Purpose The purpose of this paper is to investigate consumers’ responses to unsolicited cross-selling of supplementary paid-for services made during delivery of a core service, and the contextual and personal variables moderating those responses. Design/methodology/approach Three formal experiments test the effect on participants’ responses of the perceived relevance of the supplementary service to the core service, personal psychological reactance, in the case of a high-relevance supplementary service, and self-monitoring, in scenarios in which a low-relevance supplementary service is proposed either in public or privately. Findings The experiments found that participants’ satisfaction ratings were reduced in response to cross-selling of a supplementary service that was of low relevance to the core service, and that satisfaction ratings if it was perceived to be of high relevance compared were not reduced despite the unsolicited attempt at cross-selling. However, the non-negative response to a high-relevance offer was limited to participants with a lower tendency to reactance. Furthermore, a high predisposition to self-monitoring evoked more positive judgments if a low-relevance supplementary service was proposed in public rather than privately. That of low self-monitors was no different in either case. Originality/value This paper examines the trade-off faced by a service provider between customer satisfaction and extra revenue from supplementary services, and explores conditions under which a provider can propose unsolicited supplementary services without offending customers.

Dividend payment and earnings quality: evidence from Indonesia

2014 ◽  
Vol 22 (2) ◽  
pp. 103-117 ◽  
Author(s):  
Febriela Sirait ◽  
Sylvia Veronica Siregar
Keyword(s):  
Emerging Markets ◽  
Design Methodology ◽  
Manufacturing Industry ◽  
Stock Exchange ◽  
Earnings Quality ◽  
Positive Association ◽  
Significant Positive Association ◽  
Dividend Payment ◽  
Content Type ◽  
The Relationship

Purpose – This research aims to examine the relationship between dividend payment and earnings quality. Design/methodology/approach – The authors examine four dividend features: dividend-paying status, dividend size, dividend changes, and dividend persistence. The samples consist of 90 firms from the manufacturing industry in the years 2005-2009. Multiple regression is used for testing hypotheses. Findings – The results show that dividend-paying status, dividend increase, and persistence in dividend payment have significant positive association with earnings quality. However, the authors do not find evidence that larger dividend size is an indicator of higher earnings quality. Overall, the results show that dividend-paying status, increase in dividend size, and persistence in dividend payment are indicators or signals of higher earnings quality. Research limitations/implications – This study examines only the manufacturing firms listed on the Indonesia Stock Exchange. Further study based on different industries and/or different emerging markets is needed before generalizing results. Originality/value – Few studies have examined dividend payment in emerging markets. This study fills the void.

The trade-off between synergy success and efficiency gains in M&A strategy

2018 ◽  
Vol 13 (2) ◽  
pp. 163-184 ◽  
Author(s):  
Ziva Rozen-Bakher
Keyword(s):  
Design Methodology ◽  
Mediation Model ◽  
Efficiency Gains ◽  
Workforce Reduction ◽  
Trade Off ◽  
Content Type ◽  
Public Firms ◽  
Revenue Growth ◽  
The Relationship ◽  
Integration Stage

Purpose This study raises the question of whether the nature of the merger and acquisition (M&A) strategy per se, that is reflected throughout the M&A process, may lead to a potential trade-off between the two main objectives of M&As – synergy success and efficiency gains, which may explain the high failure rate of the M&A strategy. The purpose of this paper is to present a mediation model to explore the potential trade-off that may exist between synergy success and efficiency gains. The model examines whether the change in the workforce size during the M&A process mediates the relationship between the types of M&A and M&A success, resulting in a trade-off. Design/methodology/approach The study uses a sample of 394 public firms. Findings The study reveals that if the management over-increases the workforce size to realize the synergy potential, then it heightens the risk of the “win synergy-lose efficiency” trade-off, resulting in an increase in revenue growth but a decrease in profitability. The results even show that international M&As lead to an “over” increase in the workforce size to maximize the synergy potential, but at the same time, an increase in the workforce size harms the efficiency gains, resulting in a decrease in profitability. However, vertical and conglomerate M&As may lead neither to synergy success nor to efficiency gains, which reflects a situation of no benefits from the M&A for the acquirer. Originality/value The study emphasizes that one of the main challenges in the implementation of the M&A strategy is to strike a balance between the objective of improving efficiency through cutting costs and workforce reduction during the integration stage and the objective of realizing the synergy potential, despite the workforce reduction during the M&A process.

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