These days, humans have been witnessing related technological and social development, by means of which mobile technologies and Internet yield global access to information with mobility of knowledge. Mobile learning platforms are designed based on electronic learning (e-learning) and mobility. It is regarded as a useful way to enhance the learning process. Sakai as a mobile learning platform, design intentions are to be adaptable to any educational purposes, within or outside the institution, dependent on the provision of effectiveness in classroom instruction based on the learning style of the students, extensible in the cultivation of thinking skills in the learner, and efficient in communicating and exchanging data among its enrolled classroom members and other online platforms. This study employed a systematic review of related literature to investigate the predominant research methodology adopted by various scholars to assess necessary factors concerning mobile learning platform. Fifteen articles are selected based on established criteria. The findings indicated that most of the researchers used quantitative research methodology in investigating the effectiveness and concern variable of mobile learning. Also find out is that most of the outcome of the studies include, achievement, perception, pedagogy, motivation and mobile learning platform as a form of educational technology.
This paper discusses the model tests of multi-column floating platforms which are carried out at the Universiti Teknologi Malaysia Marine Laboratory in Johor Bahru state, near the southern tip of the Malaysian Peninsula. In part to enhance local capabilities for testing all types of floating platforms, Shell and Technip are jointly carrying out this research at the said facility. The objectives of these tests are to assess the effects of realistic wave and current environments on the motions of multi-column floating platforms such as TLPs and to obtain results to be used for calibrating numerical analysis models such as CFD used to calculate platform motions. A test set-up is currently being used to test a TLP for Southeast Asian environment. The important parameters to match are reduced velocities in various modes of motion and the mass ratio of the floating body. This paper presents relevant model test results available at the time of publication and compares them to existing data for other platforms. A brief description of upcoming tests and future relevant research areas are included.
Recently, CFD (Computational Fluid Dynamics) is being increasingly used to investigation of the flow around high-rise buildings. In this study, prediction of wind flow around two cases high-rise buildings model placed within the surface boundary layer were carried out using various turbulence models. The accuracy of two-equation turbulence models were compared with experimental data of Architectural Institute of Japan (AIJ).as a result, all two-equation models are shown overestimation the reattachment length behind the buildings.
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