Conceptual Model
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Geothermics ◽  
2022 ◽  
Vol 99 ◽  
pp. 102304
Mohamed Belhai ◽  
Yasuhiro Fujimitsu ◽  
Rosa Maria Barragan-Reyes ◽  
Tatsuto Iwanaga ◽  
Mamiko Maeno ◽  

Aquichan ◽  
2021 ◽  
Vol 21 (4) ◽  
pp. 1-12
Jacqueline Fawcett

This paper discusses the connections between nursing conceptual model concepts, middle-range theory, and situation-specific theory concepts, as well as between the theory concepts and how they are measured, that is, empirical indicators. Three types of empirical indicators are described—instruments, assessment tools, and interventions—and an example of each type is given. The paper’s central thesis is that a conceptual model concept is —or should be— the starting point for selecting or constructing an empirical indicator.

The shapes of slender skyscrapers are unfavourable for carrying horizontal loads. In this paper, we investigate the possibility of improving their structural behaviour by adding urban-scale networks of structural connections among the buildings. We focus on vibrations of skyscrapers in response to wind-induced vortex shedding. We develop a conceptual model of those structural networks composed of springs, dampers and point masses. The proposed model enables rapid numerical simulations involving large networks, which is not possible in the case of more detailed engineering models. The effect of connections, dilatation gaps, and network size are investigated for random collections of high-rise buildings, and triangular networks of horizontal bar connections among them. It is found that connections efficiently reduce vibrations in the network, especially for large network size. This study aims to be a first step towards uncovering the benefits of a novel form of urban development. A karcsú felhőkarcolók alakja kedvezőtlen a rájuk ható vízszintes terhek viselése szempontjából. Munkánkban a szerkezeti viselkedés javítási lehetőségeit vizsgáljuk az épületeket összekötő szerkezeti kapcsolatok városi léptékű hálózata segítségével. Vizsgálatunk középpontjában a szél által kiváltott örvényleválás okozta szerkezeti rezgések állnak. A rendszert rugókból, csillapítóelemekből és tömegpontokból álló koncepcionális modell segítségével írjuk le. Ez a megközelítésmód lehetővé teszi nagy hálózatok gyors numerikus szimulációját, amely részletesebb mérnöki modellek esetében nem lehetséges. Véletlenszerűen generált épületcsoportok, és vízszintes rúdszerű kapcsolatokból kialakított háromszögelt hálózatok esetén vizsgáljuk a kapcsolatoknak, a bennük kialakított dilatációs hézagoknak és a hálózat méretének a hatását. Eredményeink azt mutatják, hogy a kapcsolatok jelentősen csökkentik a hálózat rezgéseit, különösen nagy hálózati méret esetén. A tanulmány célja, hogy kezdeti lépéseket tegyünk egy újszerű városfejlesztési modell előnyeinek feltárására.

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Akanksha Goel ◽  
Shailesh Rastogi

PurposeThe purpose of the study is to identify certain behavioural and psychological traits of the borrowers which have the tendency to predict the credit risk of the borrowers. And the second objective is to draw a conceptual model that reveals the impact of those traits on credit default.Design/methodology/approachThe study has adopted a systematic Literature Review approach to identify those behavioural and psychological traits of borrowers that reflect on the tendency to predict the credit default of borrowers.FindingsThe findings of this study have revealed that there are some non-financial factors, which can be looked into while granting a loan to a borrower. The identified factors can be used to develop a subjective credit scoring model that can quantify and verify the soft information (character and reliability) of debtors. Further, a behavioural credit scoring model will help in easing the assessment of those borrowers, who do not have an appropriate credit history and reliable financial statements.Practical implicationsThe proposed model would help banks and financial institutions to evaluate those borrowers who lack substantial financial information. Further, a subjective credit scoring model would help to evaluate the credit worthiness of such borrowers who do not have any credit history. The model would also reduce the biasness of subjective scoring and would reduce the financial constraints of borrowers.Originality/valueBy reviewing the literature, it has been observed that there are very few studies that have exclusively considered the behavioural and psychological factors in credit scoring. Several studies have linked the psychological constructs with debts, but very few researchers have considered it while constructing a behavioural scoring model. Thus, it can be inferred that this area of behavioural finance is still unexplored and needs attention of researchers worldwide. In addition, most of the studies are carried out in European, African and American regions but are almost non-existent in the Asian markets.

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Rofia Ramesh ◽  
Subramaniam Ananthram ◽  
V. Vijayalakshmi ◽  
Piyush Sharma

Purpose This paper aims to highlight the positive and negative effects of technostressors on employee attitudes using psychological need satisfaction as an explanatory mechanism and mindfulness as an individual resource, thereby developing an integrative conceptual model. Design/methodology/approach A narrative literature review was performed in the technostress, job demands-resources and mindfulness literature to develop the propositions of the integrative conceptual model. Findings This paper posits psychological need satisfaction as a mediator in the process by which technostressors impact important employee outcomes. It also proposes mindfulness as a personal resource that helps alleviate technostressor induced burnout and foster work engagement. Research limitations/implications The proposed integrative conceptual framework provides some useful directions for future empirical research on this topic of growing importance. Practical implications Based on the findings of this paper, managers can devise and implement a technostressor-specific mitigation strategy to cope with information and communication technology–induced work demands. They can also introduce mindfulness-based programs to support positive outcomes when technostressors are present. Originality/value This paper is the first to theoretically delineate specific characteristics of technostressors as challenge and hindrance demands and makes interdisciplinary contributions by extending the role of psychological mechanisms such as psychological need satisfaction and personal resources such as mindfulness in work-related technology use research.

2021 ◽  
Vol 9 ◽  
Duanyang Liu ◽  
Wenlian Yan ◽  
Junlong Qian ◽  
Mei Liu ◽  
Zida Wang ◽  

The Jianghuai area is an “important” region not only for its local pollutant accumulation but the belt for pollutant transportation between North China and the Yangtze River Delta during the winter half of the year (often from October to next February). In this study, a movable boundary layer conceptual model for the Jianghuai area in the winter half of the year is established based on the analyses of characteristics of atmospheric circulations and boundary layer dynamic conditions. This conceptual model can well explain the causes of air quality change and frequent fog-haze episodes. Variations of the intensity and range of the cold and warm fronts in the Jianghuai area in the winter half of the year lead to form a movable boundary in this area. When the southerly wind is strong, or affected by strong cold air mass, the air quality in the Jianghuai area may be excellent with a low air pollution index; Two atmospheric circulations provide favorable conditions for the fog-haze formation and maintenance in Jianghuai area: 1) When the shallow weak cold air mass is below the deep moist warm air mass, a stable temperature inversion occurs. The pollutants are transported to the Jianghuai area by the weak cold air mass, and local emissions also accumulate. As a result, a severe air pollution episode appears. 2) When the northerly cold air mass is as intense as the southerly moist warm air mass, the pollutants transported from North China as well as local emissions will continuously accumulate in the study area, which may lead to more severe air pollution. This conceptual model can help us analyze atmospheric diffusion capacity, and benefit the forecast and early warning of airflow stagnation area and fog-haze episode.

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