<p>The current educational process shows that many students who are less active during the learning process. Learning process is focused on the teachers only which<br />affects the students’ lack of understanding of the lesson. This study aims to<br />determine the application of edmodo media with ASSURE learning design on teacher performance and student learning outcomes. This research is a classroom action research conducted in class X TKBB SMK N 2 Surakarta, amounting to 31 students. This research was conducted in two cycles. Each cycle consists of the planning, implementation, observation, and refletion phases. The research instrument used consisted of teacher performance appraisal, student performance appraisal by teacher, cognitive, psychomotor, and affective assessment. The validity of the data using triangulation and analyze the data using descriptive quantitative analyze model by using descriptive statistics.The results showed that at the time of pre-cycle of teacher performance included in category C with value 66,67, cycle I entered in category B with value of 75,00 and cycle II entered in category B with value 83,33. Its mean, Edmodo media with ASSURE learning design can improve teacher performance. In each cycle, as well as the increase in student learning outcomes, this means increased teacher performance also has an<br />impact on increasing student learning outcomes<br /><br /></p>
In the previous study, several researchers had developed circular and square crash box designs to enhance energy absorption. In this study, circular and square honeycomb filled crash box is investigated by varying the honeycomb cell dimension. Honeycomb filled is selected due to lightweight and high strength to weight ratio. The crash box modelling was carried out using the finite element method with a frontal and oblique load model. Honeycomb cell dimensions vary by using five models, which are 0%, 25%, 50%, 75% and 100%. This ratio compares the size of honeycomb pitch cell with the inner diameter of crash box. The inner diameter and the crash box thickness are 40 mm and 2 mm, respectively. The single cell wall and the double wall honeycomb thickness are 0,5 mm and 1 mm, respectively. The load model used is an impactor mass of 600 kg with a speed of 15 m/s. For oblique load model, the angle for the load is 300. In this study, energy absorption, deformation pattern and efficiency of the collision force (CFE) were observed, based on the results of computer simulations. The results show that square model with 25% honeycomb filled ratio (S25) has the highest energy absorption, both on frontal and oblique loading. Otherwise, the circle model with 25% honeycomb filled ratio (C25) has the highest CFE value for frontal loading, and S50 has the highest CFE value for oblique loading. The high CFE value is due to the reaction-displacement curve, which is quite stable. The deformation pattern on S25 model due to frontal load model is a diamond mode with five folds. This pattern shows a higher number fold than other square models. Whereas, on oblique load model, the S25 model generates a greater number of folding due to the number of honeycomb cells.
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