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Article
Publication date: 1 April 1992

A FINITE ELEMENT METHOD FOR CONDUCTION, INTERNAL RADIATION, AND SOLIDIFICATION IN A FINITE AXISYMMETRIC ENCLOSURE

S. BRANDON and J.J. DERBY

A finite element method for the analysis of combined radiative and conductive heat transport in a finite axisymmetric configuration is presented. The appropriate…

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Abstract

A finite element method for the analysis of combined radiative and conductive heat transport in a finite axisymmetric configuration is presented. The appropriate integro‐differential governing equations for a grey and non‐scattering medium with grey and diffuse walls are developed and solved for several model problems. We consider axisymmetric, cylindrical geometries with top and bottom boundaries of arbitrary convex shape. The method is accurate for media of any optical thickness and is capable of handling a wide array of axisymmetric geometries and boundary conditions. Several techniques are presented to reduce computational overhead, such as employing a Swartz‐Wendroff approximation and cut‐off criteria for evaluating radiation integrals. The method is successfully tested against several cases from the literature and is applied to some additional example problems to demonstrate its versatility. Solution of a free‐boundary, combined‐mode heat transfer problem representing the solidification of a semitransparent material, the Bridgman growth of an yttrium aluminium garnet (YAG) crystal, demonstrates the utility of this method for analysis of a complex materials processing system. The method is suitable for application to other research areas, such as the study of glass processing and the design of combustion furnace systems.

Details

International Journal of Numerical Methods for Heat & Fluid Flow, vol. 2 no. 4
Type: Research Article
DOI: https://doi.org/10.1108/eb017497
ISSN: 0961-5539

Keywords

  • Internal radiation transport
  • Swartz‐Wendroff approximation
  • Galerkin FEM

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Book part
Publication date: 3 May 2011

Chapter 4 Literate Identity as Edible Capital

Mary Rice

Bourdieu (1986) identified and explained the various forms of capital that exist in a society. He defines capital as “assets that are available for use in the production…

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Abstract

Bourdieu (1986) identified and explained the various forms of capital that exist in a society. He defines capital as “assets that are available for use in the production of further assets” (p. 241). The following explanation of capital provides background for making connections between Bourdieu's forms of capital and the plotlines the boys in this study employ for displaying literate identity.

Details

Adolescent Boys' Literate Identity
Type: Book
DOI: https://doi.org/10.1108/S1479-3687(2011)0000015010
ISBN: 978-0-85724-906-7

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Article
Publication date: 1 January 1997

The assessment of applications for the house renovation grant system (HRGS) — A multistrategy knowledge‐based framework

PETER S. BRANDON and FRANCISCO LOFORTE RIBEIRO

This paper describes a multistrategy knowledge‐based framework for supporting human experts in assessing applications for the house renovation grant system (HRGS). This…

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Abstract

This paper describes a multistrategy knowledge‐based framework for supporting human experts in assessing applications for the house renovation grant system (HRGS). This framework integrates different problem solving strategies as set up by the task analysis. The task analysis carried out in the context of the HRGS domain decomposed the overall task into a number of subtasks and problem solving methods for performing each subtask. The framework modularises the knowledge required to solve each subtask into historical cases, objects, procedures and domain models. The framework was implemented as a computer system using Kappa‐PC which is a shell designed for implementing knowledge‐based systems. The implementation followed the client centred approach (CCA) method. This computer application has been successful in demonstrating that a multistrategy knowledge base can be used to support human experts in assessing applications for the HRGS. Therefore, the application has proved to perform as accurately as human experts do for all of the subtasks set up by the task analysis.

Details

Engineering, Construction and Architectural Management, vol. 4 no. 1
Type: Research Article
DOI: https://doi.org/10.1108/eb021039
ISSN: 0969-9988

Keywords

  • Case‐based reasoning
  • House renovation grants
  • Knowledge level
  • Knowledge‐based systems
  • Problem solving methods
  • Task analysis

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Book part
Publication date: 10 October 2017

Assessment Approaches, Frameworks and Other Tools

Cesar A. Poveda

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Sustainability Assessment
Type: Book
DOI: https://doi.org/10.1108/978-1-78743-481-320171002
ISBN: 978-1-78743-481-3

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Article
Publication date: 1 December 2007

The learning climate of an organisation and practitioner competence

David J Lowe and Martin Skitmore

The focus of this paper is on the influence of the learning climate in organisations on practitioner competence. Practitioners in the context of the paper are Chartered…

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The focus of this paper is on the influence of the learning climate in organisations on practitioner competence. Practitioners in the context of the paper are Chartered Quantity Surveyors, while competency is measured in terms of the accuracy of construction contract price forecasts. The results indicate that: The learning climate within quantity surveying practices is perceived to be supportive in terms of human support and to a lesser extent working practices, but less supportive in terms of staff development systems (specifically, the use of appraisal systems and the provision of resources and development facilities). The degree of accuracy of the subjects’ forecasts was found to improve as their perception of the overall learning climate, working practices, staff development systems and specifically items relating to the opportunity to introduce new skills, discussion of prob‐lems, working practices, provision of resources and the identification of needs increased. It is recommended that surveying organisations assess their ability to provide an ef‐fective learning environment and to address any deficiencies, especially in the provision of staff development systems, to improve individual forecasting performance. Further, they should consider introducing effective feedback mechanisms that require both the individual to critically reflect on their own performance and the organisation to provide effective constructive feedback on an individual’s performance.

Details

Journal of Financial Management of Property and Construction, vol. 12 no. 3
Type: Research Article
DOI: https://doi.org/10.1108/13664380780001101
ISSN: 1366-4387

Keywords

  • Learning organisation
  • Learning climate
  • Performance
  • Competence
  • Forecasting

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Article
Publication date: 1 December 2006

Relationships between total construction cost and project strategic, site related and building definition variable

David J. Lowe, Margaret W Emsley and Anthony Harding

There is a paucity of recent literature on the influence of project strategic, site related and design related variables on the cost of construction. This paper seeks to…

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There is a paucity of recent literature on the influence of project strategic, site related and design related variables on the cost of construction. This paper seeks to redress this omission by presenting the results of an investigation into the influence of 41 independent variables on both construction cost and client cost. Data were collected from 286 construction projects in the United Kingdom and correlation and test for differences were used to determine the relationships that exist between the dependent and independent variables. The analysis both confirms the strong relationship between construction cost and client cost and between those two measures of cost and GIFA, and establishes other relationships which exist within the data, confirming many of the relationships that had been anticipated from the literature. It also established the ordinal sequence of several nominal variables. These data, therefore, can be confidently used to develop models of the total cost of construction.

Details

Journal of Financial Management of Property and Construction, vol. 11 no. 3
Type: Research Article
DOI: https://doi.org/10.1108/13664380680001087
ISSN: 1366-4387

Keywords

  • Construction cost
  • Client costs
  • Project strategic variables
  • Site related variables
  • Building definition variables

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Article
Publication date: 3 February 2021

Who do you choose? Comparing perceptions of human vs robo-advisor in the context of financial services

Lixuan Zhang, Iryna Pentina and Yuhong Fan

This study aims to investigate the differences in consumers’ perceptions of trust, performance expectancy and intention to hire between human financial advisors with…

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Abstract

Purpose

This study aims to investigate the differences in consumers’ perceptions of trust, performance expectancy and intention to hire between human financial advisors with high/low expertise and robo-advisors.

Design/methodology/approach

Three experiments were conducted. The respondents were randomly assigned to human advisors with high/low expertise or a robo-advisor. Data were analyzed using MANCOVA.

Findings

The results suggest that consumers prefer human financial advisors with high expertise to robo-advisors. There are no significant differences between robo-advisors and novice financial advisors regarding performance expectancy and intention to hire.

Originality/value

This pioneering study extends the self-service technology adoption theory to examine adoption of robo-advisors vs human financial advisors with different expertise levels. To the best of the authors’ knowledge, it is among the first studies to address multi-dimensionality of trust in the context of artificial intelligence-based self-service technologies.

Details

Journal of Services Marketing, vol. ahead-of-print no. ahead-of-print
Type: Research Article
DOI: https://doi.org/10.1108/JSM-05-2020-0162
ISSN: 0887-6045

Keywords

  • Financial services
  • Experimental design
  • Robo-advisor
  • Trust
  • Artificial intelligence

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Article
Publication date: 6 November 2007

Performance measurement in the construction research and development

Udayangani Kulatunga, Dilanthi Amaratunga and Richard Haigh

The purpose of this paper is to highlight the importance of performance measurement (PM) within construction research and development (R&D) activities to enhance its…

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Abstract

Purpose

The purpose of this paper is to highlight the importance of performance measurement (PM) within construction research and development (R&D) activities to enhance its efficiency and effectiveness.

Design/methodology/approach

A comprehensive literature review is used as the methodology of this paper where it will look into two main areas. First, the paper discusses R&D work in construction industry with particular reference to its role, main contributors, and the issues which hinders its successfulness. From this section the paper arrives at a definition for construction R&D and the scope of the study. The second section of the paper defines PM and identifies the importance of it in general. Finally, the paper justifies how the issues within construction R&D could be minimised by implementing PM system.

Findings

The paper justifies the implementation of PM within construction R&D and identifies how PM could enhance the efficiency and effectiveness of construction R&D through: identifying requirements of the parties involved within the research process; defining clear aims and objectives; evaluation of the successfulness of activates/confirmation of milestones; providing information for the research funders regarding the utilisation of resources; improving the communication and coordination of the parties involved; and providing feedback for future improvements of the research work.

Originality/value

The paper reveals the impact and influence of PM towards the construction R&D activities.

Details

International Journal of Productivity and Performance Management, vol. 56 no. 8
Type: Research Article
DOI: https://doi.org/10.1108/17410400710832994
ISSN: 1741-0401

Keywords

  • Construction industry
  • Performance measures
  • Research and development

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Book part
Publication date: 3 May 2011

Chapter 3 Shifting Tensions in Boys' Stories to Live by About Literacy

Mary Rice

A story that Robert told in class during this research exposes the tension of simultaneously studying literacy and identity when submission and control are also processes…

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Abstract

A story that Robert told in class during this research exposes the tension of simultaneously studying literacy and identity when submission and control are also processes at work in the story. There are two pieces of this story. In the first part of the story, Robert relates the narrative. The second part consists of the details of the story he told. Both pieces can be used to illustrate different elements of the tension between studying literacy and identity as a single construct labeled literate identity. In addition to suggesting a metaphor for literacy and identity, Robert's story navigates the constructs of submission and control that Wong (2008) discusses in terms of the aesthetic of motivation. The tension between submission and control when coupled with an exploration of literacy and identity has implications for the notions of resistance to literacy in the field of boys' literacy as well as the being and doing of literacy for the boys in this study.Our class began with the students congratulating Robert on his storytelling. When I inquired further, I found out that Robert had started to tell the legend of Cupid and Psyche in a previous class, but he had run out of time. The rest of the students expressed interest in hearing the story, either for the first time, or to know the end. Initially, his telling ebbed and flowed. He apologized for his lack of fluency and explained he was trying to provide us the parts of the story we would find the most interesting. Eventually he settled into a rhythm and finished 50 minutes later. (Reconstructed field note, December 2009)

Details

Adolescent Boys' Literate Identity
Type: Book
DOI: https://doi.org/10.1108/S1479-3687(2011)0000015009
ISBN: 978-0-85724-906-7

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Book part
Publication date: 3 May 2011

Chapter 1 Literacy as a Game and its Players

Mary Rice

The skills that Brandon deployed during the geography game are also skills that help him achieve success in school. These skills include (a) the emotional sensitivity to…

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Abstract

The skills that Brandon deployed during the geography game are also skills that help him achieve success in school. These skills include (a) the emotional sensitivity to discern the will of the class in continuing to play, (b) an awareness of what he would have to do to prolong the game, (c) the social sophistication to decide who he wanted to move to his new team, (d) the ability to notice and capitalize on the decision-making processes of others, and, of course, (e) geographic knowledge. These skills are potentially valuable in contexts outside of the community and it is likely that he learned and practiced them there. I observed these skills through his story. Although the list of them is long and impressive, the fact that he was able to alchemize them in the context of school for a purpose he set himself is what made me awestruck.

Details

Adolescent Boys' Literate Identity
Type: Book
DOI: https://doi.org/10.1108/S1479-3687(2011)0000015007
ISBN: 978-0-85724-906-7

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