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This paper aims to investigate melting heat transfer of a non-Newtonian phase change material (PCM) in a cylindrical enclosure-space between two tubes using a deformed mesh method.

Metal foam porous layers support the inner and outer walls of the enclosure. The porous layers and clear space of the enclosure are filled with PCM. The natural convection effects during the phase change are taken into account, and the governing equations for the molten region and solid region of the enclosure are introduced. The governing equations are transformed into non-dimensional form and then solved using finite element method. The results are compared with the literary works and found in good agreement. The non-Newtonian effects on the phase change heat transfer and melting front are studied.

The results show that the increase of non-Newtonian effects (the decrease of the power-law index) enhances the heat melting process in the cavity at the moderate times of phase change heat transfer. The temperature gradients in porous metal foam over the hot wall are small, and hence, the porous layer notably increases the melting rate. When the melting front reaches the cold porous layer, strong non-linear behaviors of the melting front can be observed.

The phase change heat transfer of non-Newtonian fluid in a cylindrical enclosure partially filled with metal foams is addressed for the first time.

This study aims to develop a rational model to predict the thermal axial forces developed in shear tab connections with composite beams when subjected to transient-state fire temperatures.

Finite element (FE) models are first developed in ABAQUS and validated against experimental data available in the literature. Second, a parametric study is conducted to identify the major parameters that affect the behavior of shear tab connections with composite beams in the fire. This includes beam length, shear tab thickness, shear tab location, concrete slab thickness, setback distance and partial composite action. A design-oriented model is developed to predict the thermal induced axial forces during the heating and cooling phases of a fire event. The model consists of multi-linear springs that can predict the stiffness and strength of each component of the connection with the composite beam.

The FE results show that significant thermal axial forces are generated in the composite beam in the fire. This is prominent when the beam bottom flange comes in contact with the column. Fracture at the toe of the welds governs the behavior during the cooling phase in most FE simulations. Also, the rational model is validated against the FE results and is capable of predicting the thermal axial forces developed in shear tab connections with composite beams under different geometrical properties.

The proposed model can predict the thermal axial force demand and can be used in performance-based approaches in future structural fire engineering applications.

Torture has been practiced for millennia, albeit the means, rationales, and objectives have changed. (For an extended discussion of torture's past, see Hajjar, 2009.) Starting in the 12th century, the rediscovery of Roman law in western Europe revived torture as an aspect of criminal legal processes, both ecclesiastical and secular. According to Edward Peters (1996, p. 41), “the inquisitorial procedure displaced the older accusatorial procedure. Instead of the confirmed and verified freeman's oath, confession was elevated to the top of the hierarchy of proofs…[T]he place of confession in legal procedure…explains the reappearance of torture in medieval and early modern law.”

The purpose of this study is to extend the extant literature on the relationship between financial risk tolerance (FRT), awareness of Islamic financial principles (AWIF) and positive financial behaviour (FB) on financial satisfaction (FS) of micro, small and medium enterprise (MSME) owners by principally investigating the mediating effect of access to Islamic financing (AIF) on these relationships.

A quantitative survey method of data collection through a self-administered questionnaire. The sample of 384 MSME owners was selected in which 208 questionnaires were retrieved and analysed using the partial least square structural equation modelling (SEM).

The result shows that the relationships between FRT and AIF as well as FB and AIF are not significant. However, the AWIF–AIF relationship was found to be positively significant. Moreover, only the mediating effect of AIF on the AWIF–FS relationship was established.

The result implies that AIF could strongly influence the FS of MSME owners, and the AWIF–FS relationship is better explained with sufficient AIF. However, AIF could not mediate the relationships between FRT–FS and FB–FS. Therefore, policymakers and MSME owners should emphasize on AWIF and AIF to enhance FS.

This study pioneers the examination of the mediating influence of AIF on FRT, AWIF, FB and FS of MSME owners in a single framework. Despite the importance of MSME owners on economic sustainability, literature on MSME owners' FS is lacking expressly among developing countries, particularly in Nigeria. This study also revealed new theoretical and practical knowledge by illuminating the mediating effect of AIF on AWIF–FS relationship.

This paper describes the planning and implementation program of Remaja Berdaya Sehat Tanpa Rokok (JayaStar) or Empower Youth Healthy without Smoking (EYHWS). This is a pilot tobacco control program for smoking behavior with a community-based participatory research (CBPR) approach in a rural area of Indonesia.

This research used the participatory rural appraisal (PRA) method. The paper would describe three stages of the JayaStar program that started from diagnosis, planning action and taking action. Participants in this research were all youths aged 17–25 years including as many as 33 people. The key informants were the village head, the hamlet head, the hamlet head’s wife, the youth leader, health promotion officers at the Pleret Health Center and the Health Promotion Section of the Bantul Health Office.

The determinants of the youth empowerment process are divided into (1) predisposing factors, (2) group structure and (3) group climate. It has an important role in the success of the youth empowerment process in smoking behavior control. The implementation of the JayaStar program consisted of (1) outbound, and training with the theme of increasing self-potential; (2) training on the impact of cigarettes/vapors on the health of youths; (3) discussion and practice of making health campaign videos; (4) parenting program with the theme of the important role of parents in creating a healthy and superior young generation; (5) declaration and inauguration of JayaStar volunteers.

This research is an example of a successful community-based youth project that resulted in a demonstrable positive outcome. It demonstrates the importance of good relations between stakeholders. The JayaStar movement could be a potential model for youth empowerment projects to control smoking behavior among future generations in Indonesia.

Presents a review on implementing finite element methods on supercomputers, workstations and PCs and gives main trends in hardware and software developments. An appendix included at the end of the paper presents a bibliography on the subjects retrospectively to 1985 and approximately 1,100 references are listed.

This chapter investigates the coffee value chain in Latin America. By drawing on the concept of just transitions as a “connective tissue” between the sustainable development goals (SDGs), the discussion zooms in on the promise of agroforestry for environmental upgrading. The chapter concludes by providing examples of trade-offs between environmental, social and economic aspects.

In their effort to rebuild the society of the host-nation, military organizations depend on collaboration and communication with other international contingents and the local population. Language understanding in this regard is of eminent importance. Linguistic skills and the intervention of interpreters could contribute to the inter-communicational process, and hence positively affect the general effectiveness of the mission as a whole. In this article theoretical concepts and notions are illustrated with empirical observations from everyday military practice during peace-support operations. The article concludes with avenues for future research.

In response to increasing demand for a fully customized and individualized home environment, mass customization (MC) has been suggested as an effective strategy to fulfill the customer’s customization needs while keeping production cost-effectiveness. However, in current practice, the implementation of the MC in the industrialized housing industry has not achieved an ideal level. Little effort was devoted to customer value generation and achieving lean production in a multi-disciplinary MC environment. In this concern, a highly efficient and flexible production information system is expected to capture accurately the customer’s demand and efficiently perform work planning for encouraging customer involvement and mass efficiency production.

To gain an insight into the development of the MC production information system for the housing industry and to depict the interaction among system modules, this study used a design science research methodology for a case study of customized cabinet production information system development.

A prototype of the production information system was proposed in this paper, supported by three information technologies to facilitate the MC implementation in the millwork manufacturer. A focus group discussion method was carried out for evaluating the system feasibility and the subsequent survey analysis on the virtual reality (VR) interface experiment. The evaluation process results showed that the VR interface is an effective medium for design information communication and encourages customer involvement. Most participants believed that the proposed production information system could generally benefit the MC implementation and improve production efficiency.

This study integrated lean production principles along with building information modelling, VR and discrete-event simulation in the production information system to assist the manufacturer in effectively handling variant product information and enabling quicker reactions in response to diverse customer requirements in housing industries. The coordination among system modules and the managed information flow could be a valuable reference for future MC production system development in housing industries.

Concrete-filled double skin tube (CFDST) columns are considered one of the most effective steel-concrete composite sections owing to the higher load carrying capacity as compared to its counterpart concrete-filled tube (CFT) columns. This paper aims to numerically investigate the performance of axially loaded, circular CFDST short columns, with the innovative strengthening technique of providing stiffeners in outer tubes. Circular steel hollow sections have been adopted for inner as well as outer tubes, while varying the length of rectangular steel stiffeners, fixed inside the outer tubes only, to check the effect of stiffeners in partially and full-length stiffened CFDST columns.

The behaviour of these CFDST columns is investigated numerically by using a verified finite element analysis (FEA) model from the ABAQUS. The behaviour of 20-unstiffened, 80-partially stiffened and 20-full-length stiffened CFDST columns is studied, while varying the strength of steel (f_yo = 250–750 MPa) and concrete (30–90 MPa).

The FEA results are verified by comparing them with the previous test results. FEA study has exhibited that, there is a 7%–25% and 39%–49% increase in peak-loads in partially stiffened and full-length stiffened CFDST columns, respectively, compared to unstiffened CFDST columns.

Enhanced strength has been observed in partially stiffened and full-length stiffened CFDST columns as compared to unstiffened CFDST columns. Also, a significant effect of strength of concrete has not been observed as compared to the strength of steel.