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All Journal Jurnal Pendidikan Matematika Jurnal Teknoin LIMIT - Pendidikan Matematika EKUIVALEN - Pendidikan Matematika SURYA AGRITAMA - Fakultas Pertanian Paradigma: Jurnal Masalah Sosial, Politik, dan Kebijakan Jurnal Riset Pendidikan Matematika AKSIOMA: Jurnal Program Studi Pendidikan Matematika AlphaMath: Journal of Mathematics Education Jurnal Pendidikan Kimia Universitas Riau JURNAL IQRA´ JSSH (Jurnal Sains Sosial dan Humaniora) Jurnal Mercumatika : Jurnal Penelitian Matematika dan Pendidikan Matematika JRPM (Jurnal Review Pembelajaran Matematika) EKSAKTA : Jurnal Penelitian dan Pembelajaran MIPA Conference SENATIK STT Adisutjipto Yogyakarta JTAM (Jurnal Teori dan Aplikasi Matematika) Jurnal Tadris Matematika Angkasa: Jurnal Ilmiah Bidang Teknologi KACANEGARA Jurnal Pengabdian pada Masyarakat JURNAL MathEdu (Mathematic Education Journal) Kwangsan: Jurnal Teknologi Pendidikan MAJU : Jurnal Ilmiah Pendidikan Matematika Surya Abdimas ANARGYA: Jurnal Ilmiah Pendidikan Matematika Jurnal Pendidikan Surya Edukasi (JPSE) Journal of Authentic Research on Mathematics Eduacation (JARME) Math Educa Journal JURNAL CRANKSHAFT JURNAL PENDIDIKAN MIPA JURNAL INOVASI PENDIDIKAN MATEMATIKA (JIPM) Risenologi Jurnal Sains dan Teknologi Jurnal Tecnoscienza Journal of Education and Learning Mathematics Research (JELMaR) JP2M (Jurnal Pendidikan dan Pembelajaran Matematika) Abdimas Galuh: Jurnal Pengabdian Kepada Masyarakat Jurnal Hukum Sasana Primatika : Jurnal Pendidikan Matematika LEGAL BRIEF Jurnal Pengabdian UNDIKMA Metafora: Jurnal Pembelajaran Bahasa Dan Sastra Jurnal Simki Pedagogia Edu Sociata : Jurnal Pendidikan Sosiologi Vortex Jurnal Hukum Pelita Mudabbir: Journal Research and Education Studies Industrial Research Workshop and National Seminar Journal of Training and Community Service Adpertisi Journal of Education Technology Information Social Sciences and Health Jurnal Indonesia Sosial Sains Journal of Applied Community Engagement (JACE) International Journal of Sharia Business Management Journal of Medives: Journal of Mathematics Education IKIP Veteran Semarang Konstanta: Jurnal Matematika dan Ilmu Pengetahuan Alam Journal of Law, Education and Business AMMA : Jurnal Pengabdian Masyarakat Indonesian Journal of Innovation Multidisipliner Research Komunita: Jurnal Pengabdian dan Pemberdayaan Masyarakat Indonesian Journal of Mathematics Education Student Research Journal JUSTITIABLE - Jurnal Hukum Universitas Bojonegoro Darma Diksani: Jurnal Pengabdian Ilmu Pendidikan, Sosial, dan Humaniora Jurnal Inovasi Global Jurnal Tadris Matematika Community Service Progress Indonesian Journal of Innovation Multidisipliner Research Mathematics Education Journal Indonesian Journal of Aerospace
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Model Pembelajaran Tutor Sebaya Dalam Kelompok Kecil Pada Siswa Kelas VI SD Wibowo, Teguh
Indonesian Journal of Innovation Multidisipliner Research Vol. 1 No. 3 (2023): September
Publisher : Institute of Advanced Knowledge and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/ijim.v1i3.39

Abstract

Tujuan penelitian tindakan kelas ini adalah untuk mengetahui apakah model pembelajaran tutor sebaya dalam kelompok kecil dapat meningkatkan hasil belajar siswa. Metode penelitian tindakan kelas ini ditempuh dalam tiga siklus. Setiap siklus terdapat empat tahap yaitu perencanaan, pelaksanaan, pengamatan dan refleksi. Tindakan dalam setiap siklus dilakukan dengan cara guru memberikan tugas berupa materi pelajaran untuk dipelajari secara mandiri, diringkas dan didiskusikan dengan kelompok belajarnya dengan dipandu tutor sebayanya. Adapun yang menjadi subjek penelitian adalah siswa kelas VI SD Negeri Cengkareng Timur 01 Kecamatan Cengkareng Kota Jakarta Barat yang terdiri dari 30 siswa. Dari penelitian ini dapat disimpulkan bahwa hasil belajar yang diperoleh siswa kelas VI SD Negeri Cengkareng Timur 01 Kecamatan Cengkareng Kota Jakarta Barat pada pokok bahasan membaca gambar atau denah berskala nilai hasil belajarnya meningkat.
Quality Control Mutu Beton dan Kualitas Material pada Pondasi Stone Crusher: Studi Kasus : PT. Waskita Beton Precast, Tbk Plant Bojonegara, Serang – Banten Wibowo, Teguh; Prasetyo, Cahyo Purnomo
JURNAL TECNOSCIENZA Vol. 3 No. 2 (2019): TECNOSCIENZA
Publisher : JURNAL TECNOSCIENZA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51158/rsyb8511

Abstract

Beton adalah salah satu bahan bangunan yang banyak digunakan dalam pembuatan konstruksi, baik untuk kontruksi bangunan gedung maupun konstruksi bangunan lainnya. Secara umum bahan dasar pembuatan beton terdiri dari campuran antara semen portland sebagai perekat, agregat halus dan kasar sebagai bahan pengisi dan air sebagai media pereaksi serta bahan tambahan. Tujuan diadakannya penelitian ini adalah untuk mengetahui mutu material beton khususnya agregat serta merencanakan komposisi material yang digunakan dalam pencampuran beton untuk mendapatkan kuat tekan sesuai dengan standar mutu. Dari hasil analisa yang dilakukan dapat diketahui bahwa kandungan lumpur pada agregat halus dan agregat kasar tidak memenuhi syarat mutu serta kandungan organik pada agregat halus tidak memenuhi syarat mutu. Harus dilakukan pengurangan faktor air semen dari 0,5 menjadi 0,49 untuk menjamin kualitas beton. Dari hasil uji kuat tekan pada f’c 30 MPa dan f’c 40 MPa dapat disimpulkan bahwa beton telah memenuhi standar SNI-03-6815-2002. Kata kunci : Mutu, Material, Beton, Konstruksi
Pemilihan Material Plastik dengan Pengujian Tahan Bakar untuk Komponen Kursi Pesawat Terbang Wibowo, Teguh; Triwibowo, Nur Akhmad; Ismail, Muhammad Ridwan; Poerwanto, Eko; Sumari, Arwin Datumaya
JURNAL CRANKSHAFT Vol 8, No 1 (2025): Jurnal Crankshaft Vol.8 No.1 (2025)
Publisher : Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/cra.v8i1.14196

Abstract

Penggunaan Industri penerbangan adalah konstituen yang sangat diperlukan untuk perkembangan global suatu negara. Penghematan biaya bahan baku pembuatan interior pesawat terbang adalah dasar yang mendasari proyek ini, Hal ini menjadikan dasar dari penelitian untuk mengetahui kekuatan tarik serta flammability dari material PP-HI10HO, PP-AZ564G, dan ABS715FR. Penelitian ini menggunakan metode uji tarik dengan ASTM D638-14 dan uji flammability horizontal, vertikal. Hasil dari penelitian ini adalah pengujian tarik material PP-HI10HO (21,476 Mpa) dan PPAZ564G (23,975 Mpa), dapat menggantikan material ABS715FR (19,288 Mpa) Sesuai dengan Appendix C Materials Used in Aircraft. Sedangkan pengujian flammability didapatkan kesimpulan bahwa dalam pengujian vertical, horizontal material PP-AZ564G dan PP-HI10HO memiliki laju pembakaran linier yang melebihi 40 mm/menit sesuai ASTM D 635 sedangkan ABS715FR memiliki laju pembakaran linier sebesar 1,74 mm/menit. Bahwa material PP-HI10HO dan PP-AZ564G tidak dapat untuk material kursi dipesawat sedangkan ABS715FR memenuhi sebagai bahan baku pembuatan komponen kursi pesawat terbang.
Pengaruh Mode Pembebanan Mekanika Retakan Terhadap Fatigue Crack Growth Rate Pada Struktur Doubler Fuselage Skin Pesawat Boeing 737-900ER Seran Luan, Randi Edward; Hartini, Dwi; Wibowo, Teguh; Prattiwi, Elisabeth Anna; Santoso, Djarot Wahju
Vortex Vol 6, No 1 (2025)
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/vortex.v6i1.2729

Abstract

Instalasi doubler dinyatakan aman di bawah Structural Repair Manual (SRM). Namun kemampuan menahan beban siklik tidak disebutkan secara eksplisit dalam SRM. Pembebanan siklik dapat menyebabkan kegagalan yang berhubungan dengan kelelahan. Penelitian ini didasarkan pada asumsi mekanika retak mode pembebanan II, dan analisis laju pertumbuhan retak dan siklus kelelahan dilakukan dengan menggunakan metode numerik MVCCI. Hasil penelitian menunjukkan bahwa nilai laju pertumbuhan retakan terendah adalah panjang retakan 8,5 mm pada kondisi terbang 5000 ft, yaitu 5,045×10-14 mm/siklus, dan nilai tertinggi adalah panjang retakan 51 mm. Pada kondisi penerbangan 40.000 kaki, ini akan menjadi 1,762×10-10 mm/siklus.
An Analysis of the Ability to Understand Mathematical Concepts of Middle School Students in Completing Integer Operations Wibowo, Teguh; Darmono, Prasetyo Budi; Azieta, Haliza Nur
Mathematics Education Journal Vol. 16 No. 1 (2022): Jurnal Pendidikan Matematika
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Understanding mathematical concepts is a crucial skill for students to possess because it will make it easier for students to learn and master concepts in mathematics. This study aimed to describe the ability to understand mathematical concepts of junior high school students in solving integer arithmetic operations. This type of research was descriptive qualitative. The subjects in this study were seventh-grade students in one of the public junior high schools in Purworejo district in the 2020/2021 academic year with a good understanding. The technique of selecting the subject was purposive and snowball. The data analysis technique employed was the analysis technique of Miles & Huberman; data reduction, data presentation, and conclusion drawing. The results of this study indicated that students' understanding of mathematical concepts in completing arithmetic operations were as follows; students could restate a concept in writing, students could provide examples and not examples of a concept they have learned, students could use and choose certain operations in solving mathematical problems, students could not present concepts in the form of mathematical representations in the form of pictures, students could not classify objects according to certain properties according to the concept, and students could not apply the concept algorithmically to problem-solving.DOI : https://doi.org/10.22342/jpm.16.1.15324.29-44
Analisis CFD Aliran Dua-Fasa Uap Air pada Pipa Geothermal Horisontal Kumolosari, Eli; Dinaryanto, Okto; Wibowo, Teguh; Setiabudi, Dedet Hermawan; Nugroho, Fajar; Pinandhita, Lazuardy Rahendra; Kurniawan, Freddy
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 17, No 1 (2025): Mei
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/angkasa.v17i1.2647

Abstract

Two-phase flow is a phenomenon that often found in various devices and fields, one of which is in the geothermal system. Two-phase flow parameters that are important to study include flow patterns, pressure drop, and water holdup. This study used the CFD method to obtain data on flow patterns, pressure drop, and water holdup in steam-water flow in horizontal pipes. Validation studies were conducted to obtain appropriate settings. The superficial velocities of steam and water were varied from 6-30 m/s and 0.05-0.1 m/s respectively. The results showed that the CFD results were in accordance with the experiments. Visually, the observed flow patterns were stratified-wavy flow and mist flow. Furthermore, the pressure drop and water holdup values obtained increased along with the increase in the JW value.
Mewujudkan Pemberdayaan Masyarakat Melalui Pelatihan Perawatan Pesawat Udara Khususnya Mesin Turbin Gas Bagi Guru-Guru SMKN 12 Bandung Iryani, Lenny; Fransisca Soetanto, Maria; Hidayat, Syarif; Luthfi, Mochammad; Hartono, Budi; Suradi Kartanegara, Radi; Wibowo, Teguh; Sinung Nugroho, Yohanes; Rizki Zuhri, Muhammad; Asti Rosalia, Citra; Sidqi Islami, Zaim
AMMA : Jurnal Pengabdian Masyarakat Vol. 4 No. 5 : Juni (2025): AMMA : Jurnal Pengabdian Masyarakat
Publisher : CV. Multi Kreasi Media

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This program is aimed for teachers from SMK N 12 Bandung. Through this PKM (Community Service Program), it is expected that the training participants will gain insights and enhanced knowledge regarding aircraft maintenance, particularly the maintenance of gas turbine engines. The training was conducted at the Propulsion Laboratory, Aeronautical Engineering Hangar, Department of Mechanical Engineering, from October 12 to 16, 2021. The aircraft engine maintenance training began with a pre-test to assess participants' initial knowledge of aircraft engine maintenance. At the end of the training, a post-test was conducted to measure the improvement in their understanding and knowledge. The outcome of this PKM activity is a certificate of participation in the aircraft maintenance training, specifically focused on gas turbine engines.
Implementation of Edmodo and Classdojo on the Activeness and Achievements of Students during Covid-19 Pandemic in Learning Mathematics Rismi Annisa; Teguh Wibowo; Mujiyem Sapti
Jurnal Iqra' : Kajian Ilmu Pendidikan Vol. 7 No. 1 (2022): Jurnal Iqra' : Kajian Ilmu Pendidikan
Publisher : Institut Agama Islam Ma'arif NU (IAIMNU) Metro Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25217/ji.v7i1.2109

Abstract

The transfer of learning in schools from online learning to online learning had a considerable impact in various sectors throughout the country. Education in Indonesia in particular, student activity and learning achievement are low along with the implementation of online learning. Students are more accustomed to learning task systems. This study analyzes student learning activity and achievement in learning mathematics during the Covid-19 pandemic with the help of the Edmodo and Classdojo platforms. This study aims to determine whether the active learning and learning achievement of students who are subject to learning using Edmodo is better than online learning using Classdojo. The research design used quantitative with quasi-experimental. Collecting data through questionnaires on learning activity and student achievement tests. The results of the multivariate t-test and univariate t-test showed that learning activity using Edmodo was better than student learning activity using Classdojo. The learning achievement of students who use Edmodo in learning mathematics is better than that of students who use Classdojo. Keywords: Learning Edmodo, Learning Classdojo, Online Learning
Penggunaan Artificial Intelligence dalam perhitungan dinamis sudut kontak hysteresis pada droplet Yuana, Kumara Ari; Hadinegoro, Arifiyanto; Wibowo, Teguh; Mawarni, Drajat Indah; Pambudi, Agung
Teknoin Vol. 30 No. 1 (2025)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknoin.vol30.iss1.art3

Abstract

Sudut kontak hysteresis (SKH) adalah selisih antara sudut kontak maju (advancing) dan mundur (receding). Besaran ini merupakan indikator penting dalam karakterisasi kebasahan permukaan, yang berdampak pada berbagai aplikasi teknik dan industri seperti pendinginan semprot dan material anti-icing. Tujuan penelitian ini adalah untuk mengukur sudut kontak histeresis (SKH) pada permukaan logam panas menggunakan metode tumbukan droplet campuran air dan campuran etilen glikol (20%) yang direkam dengan kamera kecepatan tinggi (2000 fps). Penggunaan kamera berkecepatan tinggi menjanjikan kemampuan menangkap fenomena pergerakan tinggi tetapi memiliki keterbatasan-keterbatasan yang harus diselesaikan seperti noise dan thermal artifact. Untuk mengatasi noise citra akibat gerakan cepat dan thermal artifact, penelitian ini menerapkan pemrosesan citra berbasis kecerdasan buatan/artificial intelligence (AI) menggunakan arsitektur CNN (ResNet-18) dan GAN (ESRGAN). Hasil menunjukkan bahwa metode ini mampu meningkatkan kualitas citra dan akurasi pengukuran sudut kontak, dengan nilai rata-rata sudut kontak advancing sebesar 80,5°, receding sebesar 32,74° dan SKH 47,76°. Pendekatan ini menawarkan solusi efektif dan presisi tinggi dalam pengukuran SKH serta memberikan kontribusi terhadap pemodelan kebasahan permukaan pada sistem dinamis.
Diseminasi Media Pembelajaran Berbasis Flippbook untuk Mendukung Asyncrhonous Learning di SMP-SMA Bunda Kandung Jakarta Ageng Triyono; Nurimani Nurimani; Rusdi Hamdany Nuary; Teguh Wibowo
Jurnal Pengabdian UNDIKMA Vol. 3 No. 2 (2022): August
Publisher : LPPM Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jpu.v3i2.5555

Abstract

The purpose of this community service is to develop teaching materials to meet the learning needs of asynchronous learning. The teaching materials developed are in the form of electronic modules and electronic worksheets based on flipbooks. The service method carried out is in the form of a dissemination program whose stages are carried out in a hybrid manner. The service stages consist of the stage of developing teaching materials which are carried out offline and is followed by the stage of socializing and monitoring which is carried out online. The target of this service is the mathematics teacher at Bunda Kandung Middle and High School, Jakarta. The activity evaluation instrument is in the form of a questionnaire. The results of the questionnaire showed that the teacher as the party receiving the benefits stated that he was satisfied with the media developed and the media could be used as an alternative solution to the current needs of teaching materials. The results of the monitoring phase indicated that the teaching materials developed have begun to be implemented and have succeeded in meeting the needs of teaching materials needed by schools. So, it can be concluded that this activity has succeeded in achieving the expected goals.
Co-Authors . Limbong, Benny L ., Erdian abdul haris subarjo, abdul haris Abhiyantara, M. Radhiya Salman Adnan, Mazlini Afifuddin, Muhammad Nasikh Ageng Triyono Agung Pambudi Agung Prakoso Agustiana Wijiastuti Wahyudi Ahsyariyah Zulfi Hafidhoh Akbar, Rafly Putra Al-Amin, Al-Amin Alfina Sukma Amaliyah, Dina Inti Anisa Dewi Anugrah Dwi Cahyani Apriyanto, Bambang Arie Purwa Kusuma Arifiyanto Hadinegoro, Arifiyanto Aris Aryanto Arohman Taufik Arum Ratnaningsih Azieta, Haliza Nur Bachtiar Arif, Bachtiar Bagus Suryo Kusumo Bambang Priyo Darminto Bambang Priyo Darminto Batubara, Rizki Wulanita Benedictus Mardwianta, Benedictus Bisri Zainudin Budi Hartono Budiono, Cyrilus Sukaca Budiyono Budiyono Budiyono Budiyono Buyung Junaidin, Buyung Cahyo Apri Setiaji Citra Asti Rosalia Danti, Vivi Inta Dedet Hermawan Setiabudi, Dedet Hermawan Destia, Vira K Devi Najibulloh , Ria Dion Rapanca Dita Yuzianah Djarot Wahju Santoso Drajat Indah Mawarni Dwi Hartini Dyah Panuntun Utami Edi Riyanto Effendy, Yudi Eko Poerwanto Eko Syaiful Anwar Eko Teguh Paripurno Eli Kumolosari Erni Puji Astuti Faiz, Muhammad Ikhsan FAJAR NUGROHO Faradila, Lisa Febryanto Kurniawan Ferry Budhi Susetyo Fidyaningsih, Anik Fiki Alghadari Fransisca Soetanto, Maria Freddy Kurniawan Haliza Nur Azieta Hananto Purbonugroho Haris Subarjo, Abdul Harum Normalia Sari, Yusnita Hasibuan, Rohima Rizky Hendrawan, Niko Herlina Budiarti Hermawan, Dedet Heru Kurniawan Hidayah, Mila Rohmah Ika Septiana Intania Shafa, Salsabila Irma Mangar Iryani, Lenny Islami, Zaim Sidqi Ismail, Muhammad Ridwan Isnaeni Maryam Isnaeni Maryam Istiko Agus Wicaksono Jalaali, Bahrul Jayanti Putri Purwaningrum Josefina Malisngorar, Marlina Khoeriah, Faridatul Kurniawan, Febryanto Lubis, Ramadan Lukito, Indro Lukman Fadhiliya Luthfi, Mochammad Ma'ruf, Abdul Hakim Maria Gratiana Dian Jatiningsih Maulana, Shaugi Rahkman Mazlini Adnan Megasari Wuryanie Muflikhah, Desi Muhammad Hisyam Muhammad Ikhsan Faiz Mujiyem Sapti Mujiyem Sapti Mujiyem Sapti Nafida Hetty Marhaeni Nila Kurniasih Nila Kurniasih Ningrat, Aditya Wahyu Nuary, Rusdi Hamdany Nugrahajati, Susilastuti Dwi Nunung Wahyu Puspita Nur Akhmad Triwibowo, Nur Akhmad Nur Azizah Nur Halimah Nur Mala Nur, Selviana A Nurimani Nurimani Nurul Hidayah Okto Dinaryanto Permatasari, Nisa Pinandhita, Lazuardy Rahendra Prasetia, Endra Prasetyo Budi Darmono Prasetyo, Cahyo Purnomo Pratiwi, Indah Prattiwi, Elisabeth Anna Puji Nugraheni Purba, Rakhmawati Purwaningsih, Wharyanti Ika Putranto, Dwiyono Rachmat, Rafi Adinata Radi Suradi Kartanegara Rahayu, Eko Sri Rahayu, Wita Rahma Fajri Nailah Rahmania, Cindy Swastika Rama Sahtyawan Rani Anggrainy Riawan Yudi Purwoko Risa Oktaviani, Risa Rismi Annisa Riyanto, Edi Romadhoni, Moh. Gufron Rully Charitas Indra Prahmana Rusdi Hamdany Nuary Rusdyi Habsyi Rusmin R. M. Saleh sahudi, suwarno Saputri, Yerly Ania Saryati Saryati Seran Luan, Randi Edward Shalihah, Nurina Fairuz Siahaan, Rumiris Sobirin, Rasya Fajar Soeprianto, Agus Sri Kustilah Sri Lestari, Handayani Sri Mulyanti Sriyono Sriyono Subagjo, Ichwal Sujiono Sujiono, Sujiono Sumari, Arwin Datumaya Supriyono Supriyono Susianti, Elena Susilo, Tarsisius Sutarno, Sutarno Syarif Hidayat Tanjung, Rosdiana Imroati Kurnia Taufik, Arohman Teransa, Agrey Joda Vora Tri Swaraswati Tutuk Ningsih Ummu Qo'is Wahju Tjahjo Saputro Wharyanti Ika Purwaningsih, Wharyanti Ika Wijaya Damayanti, Aurelia Wahda Winaryuni, Nevia Indah Yasin, Bukhari Yohanes Sinung Nugroho Yuana, Kumara Ari Yulia Aulia Rahmah Yuni, Yatha Zaim Sidqi Islami Zainudin, Bisri Zuhri, Muhammad Rizki