Physical Sciences and Engineering

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Segmenting customer for mobile plans

The telecom industry is a highly competitive market, with frequent innovations required to sustain the business. The current business situation indicates a mismatch between user expectations and tariff plans available in the market. Furthermore, most service providers suffer from a high churn rate. The client (service provider) would therefore like to analyze the market and offer more customized plans that help to increase the retention rate.

Collaborative learning for the reinforcement of character education in learning indonesian at universities in Indonesia

Teaching Indonesian using a collaborative learning model will enable lecturers to teach values and academic domains simultaneously. The integration of character education in the Indonesian subject is perfectly served to apply the collaborative learning format (a collaborative learning). This study aims to describe the integration of character education in the form of collaborative learning concerned with the Indonesian subject at Yogyakarta-based universities, Indonesia.

English as a foreign language learning strategies: personal reflection

The number and variety of technologies used in teaching and learning has increased exponentially. One of the myriad impacts of these advances on the world is increasing interest in learning foreign languages. However, despite the importance of new technologies and learning tools, some other factors have also had a tremendous impact on teaching and learning. For example, the development of new learning strategies has been a key factor; learning strategies play a key role in learning a foreign language. In this review paper, the author has outlined a map to implement those strategies.

Pithora: A view on traditional art & culture of gujarat

Pithora craftsmanship is a type of society painting of tribes, living in eastern Gujarat. It is profoundly ceremonial painting done by tribal individuals so as to summon their God-Baba Pithora. The point of this paper is to inspect the progressions rotating around Pithora artistic expression. This study utilizes content investigation and depends on optional sources, for example, books, diary articles, tribal writing and monographs.

Vehicle chassis analysis: Load cases

The current work contains the load cases and boundary conditions for the stress analysis of chassis using finite element analysis over ANSYS. Shell elements have been used for the longitudinal members & cross members of the chassis. The advantage of using shell element is that the stress details can be obtained over the subsections of the chassis as well as over the complete section of the chassis. Beam elements have been used to simulate various attachments over the chassis, like fuel tank mountings, engine mountings, etc.

Comprassion of tools for friction stir welding using software

The upgoing trend of research on joining of dissimilar alloys grown the interest on the study and analysis of Friction Stir welding. Joining of different steel groups and Aluminium has been on the research interest on the previous decade. Recent innovative research and development areas is on with Magnesium alloy groups. The Aluminium alloys and Magnesium alloys are investigated for the weld strength with respect to the change of welding parameters including tool geometry, the tool transverse speed, and the tool angular velocity.

Study of thermo mechanical charcterisation of tool geometries on friction stir welding

A numerical model is developed to predict the material deformations and temperature histories in the friction stir welding (FSW) process. Based on the numerical ananlysis, the effects of the welding parameters on material deformation and temperatures are investigated for plain cylindrical and drill tool geometries. A numerical result predicts that the temperature can be increased with the increase of the rotating speed on the FSW process. In the same way the increase in the weld speed can also lead to the tangible increase of the input power.

Perceptions of secondary school mathematics teachers towards secondary science and mathematics teachers (sesemat) programme in mbarara District, Uganda

This study aimed at finding out the perceptions of secondary school mathematics teachers who had attended in-service training under Secondary Science Mathematics Teachers’ programme. A mixed methods approach was used in this study and data was collected using a survey questionnaire and focus group discussion. Findings from this study indicate that most teachers perceive the programme to have positively impacted on their teaching skills i.e. towards the implementation of the main objectives of SESMAT in-service training.

Wave profile and deck wetness of submarine at surface condition

This paper describes the evaluation of the wave profile of submarine at surface condition and deck flooding which occurred by the wave making pattern at the bow. Movement of ships and submarines on the free surface of calm water creates the surface wave. Because of the difference in the bow shape and freeboard height, the wave making system in ships and submarines is different. Rounded or elliptical bow shape of submarines generates a high bow wave which causes deck and bow wetness. This is because of the fact that, in submarines this situation arises a small freeboard.

An expert system based on fuzzy logic for automated decision making for loan approval

At present, bad debt has become a stubborn enemy of financial industry in every country. So there arises a need of a technique which will identify the risk in loan approval. Fuzzy logic is a computing model which deals with uncertainty rather than the traditional True (1) and False (0) values and has caught some eyes in recent years. Fuzzy logic is a valid and novel means of problem solving with intelligent systems which deals with imprecision, vagueness and uncertainty in the financial applications like loan processing.