• Title/Summary/Keyword: internal responses

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Three-dimensional dynamics of vortex-induced vibration of a pipe with internal flow in the subcritical and supercritical regimes

  • Duan, Jinlong;Chen, Ke;You, Yunxiang;Wang, Renfeng;Li, Jinlong
    • International Journal of Naval Architecture and Ocean Engineering
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    • v.10 no.6
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    • pp.692-710
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    • 2018
  • The Three-dimensional (3-D) dynamical behaviors of a fluid-conveying pipe subjected to vortex-induced vibration are investigated with different internal flow velocity ${\nu}$. The values of the internal flow velocity are considered in both subcritical and supercritical regimes. During the study, the 3-D nonlinear equations are discretized by the Galerkin method and solved by a fourth-order Runge-Kutta method. The results indicate that for a constant internal flow velocity ${\nu}$ in the subcritical regime, the peak Cross-flow (CF) amplitude increases firstly and then decrease accompanied by amplitude jumps with the increase of the external reduced velocity. While two response bands are observed in the In-line (IL) direction. For the dynamics in the lock-in condition, 3-D periodic, quasi-periodic and chaotic vibrations are observed. A variety of CF and IL responses can be detected for different modes with the increase of ${\nu}$. For the cases studied in the supercritical regime, the dynamics shows a great diversity with that in the subcritical regime. Various dynamical responses, which include 3-D periodic, quasi-periodic as well as chaotic motions, are found while both CF and IL responses are coupled while ${\nu}$ is beyond the critical value. Besides, the responses corresponding to different couples of ${\mu}_1$ and ${\mu}_2$ are obviously distinct from each other.

Empirical Study on the Supervisor's Responses to the Subordinate's Poor Performance (부하의 낮은 업적에 대한 상사의 반응에 관한 연구)

  • Hong Yong-Gee
    • Management & Information Systems Review
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    • v.8
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    • pp.25-43
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    • 2002
  • Performance evaluation continues to receive attention today as it has for the past few decades. The problem addressed in this paper concerns the relationship between supervisor's causal attributions and their subsequent responses behavior. Previous study in personnel and other disciplines has indicated the importance of causal attributions in the interpretation of poor performance. However, most study has focused on antecedents of attributions than supervisor's responses to the subordinate's poor performance. The objective of this study was to investigate the effects of supervisor's causal attributions and subordinate's responses to a subordinate's poor performance. Specifically, using in the public sector context, the study examined the effects to two dimensions of causal attributions: locus of causality and stability, as well as on the punitiveness of supervisors's responses. The result supported that when the subordinate is internal causes for the performance failure, supervisor's responses were more punitive. Consistent with previous studies, internal attributions were found to result in more punitive behavior than external attribution. In addition, attributions to effort and luck were found to result in more punitive behavior than attributions to ability and task difficulty. Thus, the first hypothesis and second hypothesis supported. These result suggest the importance of appropriately for performance evaluation.

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Internal pressure in a low-rise building with existing envelope openings and sudden breaching

  • Tecle, Amanuel S.;Bitsuamlak, Girma T.;Aly, Aly Mousaad
    • Wind and Structures
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    • v.16 no.1
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    • pp.25-46
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    • 2013
  • This paper presents a boundary-layer wind tunnel (BLWT) study on the effect of variable dominant openings on steady and transient responses of wind-induced internal pressure in a low-rise building. The paper presents a parametric study focusing on differences and similarities between transient and steady-state responses, the effects of size and locations of dominant openings and vent openings, and the effects of wind angle of attack. In addition, the necessity of internal volume correction during sudden breaching, i.e., a transient response experiment was investigated. A comparison of the BLWT data with ASCE 7-2010, as well as with limited large-scale data obtained at a 'Wall of Wind' facility, is presented.

The Effect of New brand's Entry on the Price Strategy of Incumbent Retailers

  • Lee, Suhhyue
    • Asia Marketing Journal
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    • v.17 no.3
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    • pp.73-103
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    • 2015
  • According to Resource Dependence theory, an organization's behavior and strategy is affected by external resources. An organization has diverse resources interacting with environment. Because organization cannot focus on all those resources, it concentrates on its critical resources. In market environment, firm responds to other firms by controlling their internal critical resources or manages interdependency with environment to get market share. Thus Firm should choose best behavior and strategy when internal and external resources are change. When new brand enters, incumbents might change their strategy to protect their market share depending on critical value. More precisely, incumbents sharing market with entrant respond, but incumbents having competitive internal resources do not. In this article, we study incumbent's responses to a new brand entry and long-term effect. We show that how incumbents change their price strategy in reaction to the new brand' entry and also show these responses vary depending on interdependency of internal resources and external environments and ownership.

The mediating effect of service quality between internal marketing and customer satisfaction (호텔종사자의 내부마케팅과 고객만족의 관계에서 서비스품질의 매개효과)

  • Ahn, Kwan-Young
    • Journal of the Korea Safety Management & Science
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    • v.9 no.6
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    • pp.97-103
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    • 2007
  • This paper reviewed the relationship among internal marketing, service quality and customer satisfaction, and the mediating effect of service quality. Based on the responses from 163 hotel employees and 489 customers who encountered them, the results of hierarchical regressional analysis showed that all internal marketing factors have positive relationships with service quality, and service quality has positive relationship with customer satisfaction. Also, service quality has mediating effect between four internal marketing factors(education, compensation, delegation of authority, and internal communication) and customer satisfaction.

Consumer Perceptions on SST in Retail Atmosphere: An application of S-O-R framework

  • BYUN, Sookeun;HA, Yongsoo
    • Journal of Distribution Science
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    • v.18 no.3
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    • pp.87-97
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    • 2020
  • Purpose: The aim of this study is to understand the internal and external responses that consumers experience when they are exposed to an innovative system in retail stores. This study considered the SST(Self-Service Technology) system in a retail setting as a type of functional environmental stimuli and selected a smart shopping cart as an example of SST system. The influences of functional environmental stimuli on consumers' emotional, cognitive, and behavioral responses were examined by applying S-O-R model. In addition, this study attempted to extend the traditional S-O-R model by (a) incorporating personal characteristics variables such as time pressure and perceived crowding and (b) considering not only emotional but also cognitive aspects of consumers' internal responses. Research Design, Data, and Methodology: This study used a video-scenario technique. Participants watched a video about grocery shopping situations using a smart shopping cart and responded to their emotional, cognitive, and behavioral responses. An online survey was conducted using Amazon's Mechanical Turk (N = 185). All participants were US consumers over 20 years old and had been shopping at the grocery store in the last month. Data were analyzed through structural equations modeling with AMOS 20. Results: Test results showed that consumers who perceived higher levels of time pressure and perceived crowding in usual shopping situations were more likely to evaluate the SST system favorably. The results showed that personal characteristics have a significant impact on consumers' evaluation of functional environmental stimuli in retail setting. As consumers evaluated the SST system favorably, they experienced more positive affect and less negative affect during their shopping behaviors. Positive affect led to good service quality inference, which further increased patronize intention. However, negative affect did not show a significant impact on service quality inference, but only on patronize intention. Conclusions: This study attempted to investigate the influence of SST system by extending the traditional S-O-R model. This study classified the SST system as functional environmental stimulus of retail stores and analyzed the effect of stimulus on consumers' internal and external responses. The results of this study showed that the introduction of innovative SST can serve as an effective store differentiation strategy in an increasingly competitive retail environment.

The Function of Physical Surroundings for Displaying Dining Atmosphere: A Theoretical Review and Testable Propositions (식공간 연출을 위한 물리적 환경의 기능: 이론적 고찰 및 제안)

  • Chun, Byung-Gil
    • Journal of the Korean Society of Food Culture
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    • v.20 no.6
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    • pp.644-651
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    • 2005
  • Physical Surroundings have been identified by a number of researchers as a powerful tool that can manipulate people's mood and cognition. A number of marketing practitioners have accepted this notion, given that physical surroundings are increasingly used as atmospheric stimuli in various retail environment as well as in restaurant. Yet there have not been practical reviews on consumer responses in restaurant setting/environment. By means of a literature review, this study examines how physical surroundings in restaurant settings function on displaying dinning atmosphere. It includes the conceptual definition and classifications of physical surroundings, effect of physical surroundings on customers' internal responses and behaviors, and testable research propositions and directions for future researches. This study is expected to make a substantial contribution to the understanding of restaurant manager and dinning atmosphere displayer about function of physical surroundings in dinning context.

Development of an Expert System for Nondestructive Evaluation of Tunnel Lining (터널 라이닝의 비파괴 평가를 위한 전문가시스템 개발)

  • 김문겸;허택녕;이재영;김도훈
    • Proceedings of the Computational Structural Engineering Institute Conference
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    • 1998.10a
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    • pp.413-420
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    • 1998
  • In this study, an expert system is developed to evaluate a safety of tunnel structures. Using a dynamic finite element analysis module, this expert system predicts dynamic responses of a concrete lining surface which a transient force is applied on and estimates the condition between the concrete lining and surrounding ground. The evaluation parameter values of the module are multi-reflected wave frequency and amplitude of the dynamic responses. The multi-reflected wave frequency represents the depth of concrete lining, and the other parameter, the amplitude of the frequency, is utilized for detecting the internal flaws. A comparison of the dynamic responses between numerical and experimental model test verifies an effectiveness of this system. By this expert system, the safety of tunnel structures and the detection of internal flaws of concrete linings are estimated quantitatively.

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Peer Acceptance and Friendship Quality: The Role of Children's Internal Representational Models of Peers (또래에 대한 아동의 내적 표상 모델과 또래 수용 및 친구관계의 질)

  • Rah, Yu-mee
    • Korean Journal of Child Studies
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    • v.21 no.4
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    • pp.143-158
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    • 2000
  • This study examined whether children's peer representations are associated with peer acceptance and whether attributions and goals are related to representations about behavioral responses in ambiguous provocation and conflict situations. The subjects were 119 5th-grade children responded to 4 hypothetical situations. Results indicated that children's positive representations about peer conduct in ambiguous provocations were related to their higher level of peer acceptance, and positive representations about a friend in conflict situations were associated with their perceived positive qualities of friendship. Children's positive attribution and relational goal orientation were associated with relational behavioral responses. Gender differences were found for some goals and behavioral responses, with girls displaying a more relational goal and behavioral response orientation than boys.

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The Effect of the Consumer Lifestyle on Wine Purchase Behavior

  • Oh, Chang-Il;Hwang, Yong-Cheol
    • The Journal of Industrial Distribution & Business
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    • v.9 no.4
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    • pp.7-17
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    • 2018
  • Purpose - This study aims to investigate domestic wine consumption behavior and make future sales strategies and marketing plans. Research design, data, and methodology - To achieve the purpose of the study, the surveys were conducted targeting 350 wine customers in Jeju and Seoul. 331 responses were collected, and out of them, 21 responses were deleted because they lacked the proper information fill in. A descriptive statistical analysis was applied to the remaining 310 responses. The statistical techniques used for carrying out hypothesis-testing are EFA_(exploratory factor analysis), multiple-regression analysis, and moderating effect in SPSS 18.0. Results - The results indicate that fashion oriented, sociality aspiration and rationality seeking lifestyles had significant influence upon internal attributes. However, well-being oriented and having enjoyment oriented lifestyle had no significant influence upon internal attributes. Furthermore, all the types of lifestyles except social aspiration lifestyles had a positive influence upon external attributes, whereas internal or external attributes had positive influence on customer satisfaction. Conclusions - The consumers who experienced wine purchases think wine selection attributes differ before and after experiencing wine drinking, and it shows that the circumstantial variables as purchase situations prove to be important predicted variables in the behavior field of wine consumers. It implies appropriate wine education according to the consuming trend about wine for wine consumers are needed.