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All Journal Jurnal Inotera Majalah Ilmiah METHODA
Muhammad Anhar Pulungan
Politeknik Aceh Selatan
Agriculture, Biological Sciences & Forestry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Public Health

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Student Mastery of Association Concept In Aceh Selatan Polytechnic Computer Engineering Program Fera Anugreni; Muhammad Anhar Pulungan; Asmaidi
Jurnal Inotera Vol. 6 No. 1 (2021): January-June 2021
Publisher : LPPM Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31572/inotera.Vol6.Iss1.2021.ID130

Abstract

Mathematical Association material becomes difficult for students to learn since it is described in the form of set-forming notation and story-based questions (applied). Moreover, they find it difficult to determine the number of subsets with several determined members. The author's observations while teaching at the South Aceh Polytechnic Computer Engineering Study Program for the 2018/2019 academic year obtained data that students did not master Discrete Mathematics subjects, especially the material of the Association. This can be seen in daily assignments, midterm exams, and final semester exams. The author as a lecturer in the Study Program was disappointed with the results obtained. The approach and type of this research is a quantitative approach and a pure experimental type of research. The research sample of the second-semester students of the South Aceh Polytechnic Computer Engineering Study Program for the 2019/2020 academic year was 16 students. The research data was the test scores collected from students. The instrument in this study was a test question. The data collection technique in this research is a written test. Data analysis used t-test at a significant level α = 0,05, dk = 4, with standard value of = 69. Based on the analysis gained and . Thus, the result turns out or 1.83 > 1,75. Thus it is concluded that the mastery of Computer Engineering Study Program students at the Polytechnic of South Aceh for the 2019/2020 academic year in understanding the set material has reached a level of success.
SIMULASI PROSES PEMESINAN CETAKAN PROPELLER BLADE DENGAN PEMODELAN PROFIL AIRFOIL Balkhaya Balkhaya; Ihsan Ihsan; Muhammad Anhar Pulungan
Majalah Ilmiah METHODA Vol. 8 No. 1 (2018): Majalah Ilmiah METHODA
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/methoda.Vol8No1.pp1-5

Abstract

Pemanfaatan kincir angin untuk menghasilkan sumber daya energi alternatif semakin giat dilakukan diberbagai daerah. Dalam pengoperasiannya, kincir angin selalu memiliki masalah pada bahan dan bentuk yang tidak sama, seperti pelapukan dan tidak seimbang. Permasalahan tersebut dapat diatasi dengan mendapatkan propeller blade (daun baling-baling) yang seimbang, tahan dan simetris terhadap perubahan kecepatan angin yang sangat radikal. Proses pembuatan propeller blade dilakukan pemodelan profil airfoil dalam bentuk matematik dengan menggunakan data-data diinput dari NACA yang sudah diketahui titik koordinat.. Bentuk profil airfoil untuk propeller blade direncanakan dimana titik koordinat profil airfoil NACA merupakan fungsi dari maksimum chamber dan thickness yang dapat ditentukan. Menentukan chamber line, thickness dan titik-titik koordinat profil Airfoil yang diimplementasikan kedalam bahasa pemograman Visual Basic. Hasil pemodelan matematik di input ke dalam software Auto CAD untuk mendapatkan desain cetakan propeller blade. Desain tersebut di input ke dalam software Master CAM untuk dilakukan simulasi proses pemesinan pembuatan cetakan propeller blade. Dari hasil simulas didapat 7084 jumlah nomor program NC (Numerical Control)
Co-Authors Anugreni, Fera Asmaidi Balkhaya, Balkhaya Ihsan