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Hamdi Akhsan

Department Of Physics Education Faculty Of Teaching And Education, Sriwijaya University, Indralaya, 30139, Indonesia

Author-ID : 600847

Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Other

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Green House Gas Emissions from Motor Vehicles in Urban Indonesia: Systematic Literature Review 2015-2025 Mahdiah, Intan; Akhsan, Hamdi; Maliya, Fina; Murniati, Murniati
Kappa Journal Vol 10 No 1 (2026): April
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v10i1.33487

The transportation sector on land in Indonesia is responsible for about 27% of the country's total greenhouse gas emissions, which has a big effect on global warming (KLHK, 2021; WRI Indonesia, 2024). This study looks at trends in vehicle emissions, the main ways emissions are measured, and where more research is needed. It uses a Systematic Literature Review (SLR) method based on the PRISMA 2020 guidelines. The research searched five major databases: Scopus, ScienceDirect, Google Scholar, Portal Garuda, and Sinta, covering the time from January 1, 2015, to December 31, 2025. Out of 512 records found, 26 articles were included after going through a careful selection process. The results show that the number of cars owned increased by about 7–8% each year from 2015 to 2019, and this rate went up to 10–12% every year between 2021 and 2025 after the pandemic. By April 2025, the total number of vehicles in the country was around 168 million, with motorcycles making up most of that number, between 139 and 157 million. Most studies used the bottom-up method (69% of them), and most empirical research was done in Jakarta (14 articles), Surabaya (8 articles), and Bandung (4 articles). Medium-sized cities like Palembang, Medan, and Makassar have not been studied much and are considered scientific blind spots. In 2025, the transportation sector is expected to account for about 24.63% of the country's greenhouse gas emissions in 2024 and might rise to 28% of total carbon emissions from transport. During the dry season, urban areas have air pollution levels that are 42–57% from motor vehicles. More research in these cities is needed to help Indonesia reach its 2030 Nationally Determined Contribution (NDC) goals. This includes making better emission inventories and looking at possible ways to reduce emissions, such as switching to low-emission vehicles, which could help avoid up to 170 million tons of carbon emissions by 2040.

Integration of Paired Sample T-Test and Cohen's d in the Evaluation of a Palembang Ethnoscience-Based Physics Module Fajriah, Nurkholisa; Akhsan, Hamdi; Siahaan, Sardianto Markos
Jurnal Pendidikan Fisika Vol 14, No 1 (2026)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/jpf.v14i1.15860

This study aimed to analyze the effectiveness of a Palembang ethnoscience-based physics module on student learning outcomes in potential and kinetic energy materials using a methodologically rigorous approach. Employing a quasi-experimental design with a one-group pretest-posttest pattern, the study involved 37 grade X students from SMAN 22 Palembang. Data were collected through learning achievement tests and analyzed using SPSS version 26, incorporating Shapiro-Wilk normality tests, Paired Sample T-Tests, Normalized Gain (N-Gain), Power Analysis, and outlier examinations. The results indicated mean pre-test scores of 61.22 (SD = 13.41) and post-test scores of 82.97 (SD = 9.96). The Paired Sample T-Test yielded a t-value of -11.217 with a significance of 0.000 (p < 0.05), indicating a significant difference and a strong association between module implementation and learning outcome improvements. The N-Gain value of 0.56 was categorized as medium, while the Effect Size (Cohen's d) of 1.84 demonstrated a very large impact, although this requires careful interpretation due to the within-subject design. Cohen's d<sub>z</sub>, calculated based on the standard deviation of difference scores, also produced a value of 1.84, confirming the consistency of the effect estimation. The study concludes that the Palembang ethnoscience-based physics module is positively associated with enhancing student learning outcomes. Integrating local wisdom bridges abstract concepts with students' real-life contexts, thereby rendering learning more meaningful.

APPLICATIONS OF ROTATIONAL DYNAMICS IN GYROSCOPE-BASED SENSORS: A SYSTEMATIC LITERATURE REVIEW Putri, Mutiara; Sutanto, Taufiq; Akhsan, Hamdi; Ismet, Ismet
Jurnal Fisika : Fisika Sains dan Aplikasinya Vol 11 No 1 (2026): Jurnal Fisika : Fisika Sains dan Aplikasinya
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/fisa.v11i1.28189

Gyroscope-based sensors measure angular velocity in consumer electronics, robotics, and navigation. However, research lacks explicit relationship between rotational dynamics principles and optimisation of sensor architectures. This review examines the application of mechanical concepts conservation of angular momentum, moment of inertia, torque, and the Coriolis effect to gyroscope-based sensors. Per PRISMA guidelines, twelve studies between 2020 and 2026 were selected from Scopus, ScienceDirect, DOAJ, and IEEE Xplore. The stringent inclusion criteria coupling classical rotational dynamics with architectural optimization, yielding a highly specialized but methodologically rigorous dataset. Study quality was assessed using a standardized critical appraisal checklist. Operational mechanisms, error dynamics, control strategies, and performance optimisation in MEMS, atomic, and photonic systems are the main topics. Three themes emerge from the findings: (1) mechanical flaws are error sources calling for control engineering; (2) mode splitting and bias instability decrease accuracy but can be lessened with control systems and electrostatic tuning; and (3) testing protocols must be standardised because of data from operating environments. Sensor accuracy and stability can be improved by combining rotational dynamics principles with control techniques like Kalman filtering and fuzzy logic, achieving scale-factor stabilization residuals as low as 2 ppm and bias instability reductions exceeding 50% in optimized architectures.

Integrating Local Wisdom in Science: Development and Validation of Ethnoscience Teaching Modules for Improving Science Literacy of Junior High School Students Sutanto, Taufiq; Akhsan, Hamdi; Kistiono, Kistiono
Integrated Science Education Journal Vol 7 No 1 (2026): January
Publisher : Cahaya Ilmu Cendekia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37251/isej.v7i1.2344

Purpose of the study: The low level of science literacy among Indonesian students requires innovative and contextual learning approaches. This study aims to develop and test the validity of an Ethnoscience-Based Teaching Module on the subject of Vibrations and Waves. The uniqueness of the module lies in its deep integration of the local wisdom of East OKU Regency as a learning context to bridge abstract scientific concepts with the cultural reality of students. Methodology: This study used the Research and Development (R&D) method with a 4-D model, limited to the Develop stage. Validation was carried out by four experts (material, media, language, and culture) using adapted assessment instruments. Quantitative data were analyzed using Aiken's V coefficient. Main Findings: The developed ethnoscience-based teaching module was declared "Highly Valid" with an average Aiken’s V score of 0.90. All validation aspects scored highly: subject matter (0.90), media design (0.88), language (0.85), and cultural integration (0.95). The module is therefore feasible for further testing. Novelty/Originality of this study: The developed module has met the eligibility criteria in terms of content, design, language, and authentic cultural integration. The implication of this research is the availability of valid and contextual teaching materials, which are ready to be further tested for their effectiveness in learning to improve science literacy while building students' cultural awareness.

The Role of PDE in Transonic Aerodynamics and Morphing Wing Design : A Systematic Literature Review Akhsan, Hamdi; Vania, Amanda Asti; Ermalia, Widia; Anggelina, Zanne
JIIF (Jurnal Ilmu dan Inovasi Fisika) Vol 10, No 2 (2026)
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/jiif.v10i2.69625

Fluid dynamics and aerodynamic design of aircraft wings play a crucial role in improving flight efficiency, especially in the transonic regime. This research aims to analyze the application of partial differential equations (PDE) in aircraft design optimization and explore technical solutions to challenges that arise in Computational Fluid Dynamics (CFD). Our research method is Literature Review (SLR) using systematic steps such as database search, screening and thematic analysis based on references from recent scientific journals from 2020 to present (2025) through ScienceDirect, Google Scholar, arXiv,MDPI, DOAJ dan Academia . An initial search yielded 234,939 journals on PDEs, but after selection, 36 journals met the inclusion criteria and were thematically analyzed. The main findings show that the Navier-Stokes, Continuity, and Bernouli Equations are the cornerstones in understanding the fluid flow behavior around an Aircraft wing. Advances in CFD technology have led to innovations, such as the application of morphing wings and winglets, which can improve aerodynamic efficiency and reduce fuel consumption. However, challenges such as CFD solver robustness, design complexity with many variables, and geometry constraints are still an obstacle in aerodynamic optimization. It can be concluded that utilizing PDE in CFD contributes significantly to the development of higher efficiency aircraft and supports design innovations that are more adaptive to modern aerodynamic demands, especially in the transonic regime.

Validation of Physics Module on Energy: Integrating Palembang Local Wisdom and PhET Simulation Nurkholisa Fajriah; Hamdi Akhsan; Kistiono Kistiono
Jurnal Ilmiah Profesi Pendidikan Vol. 10 No. 4b (2025): Edisi Khusus
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jipp.v10i4b.4294

Rendahnya literasi sains di kalangan siswa Indonesia, khususnya dalam konsep fisika abstrak seperti energi potensial dan energi kinetik, menuntut pengembangan bahan ajar yang inovatif dan relevan secara budaya. Penelitian ini bertujuan mengembangkan dan memvalidasi modul ajar fisika yang mengintegrasikan kearifan lokal Palembang, Problem-Based Learning (PBL), dan simulasi PhET. Penelitian menggunakan pendekatan Research and Development (R&D) berbasis model 4-D (Define, Design, Develop), yang dihentikan pada tahap pengembangan. Validasi dilakukan oleh tiga ahli (materi fisika, pedagogi, dan media pembelajaran) serta diuji coba melalui uji one-to-one (n=2) dan uji kelompok kecil (n=4). Data dianalisis secara kuantitatif menggunakan koefisien validitas isi Aiken’s V. Hasil menunjukkan bahwa modul memperoleh nilai rata-rata Aiken’s V sebesar 0,87, yang dikategorikan sebagai “Sangat Valid”, dengan skor tertinggi pada aspek relevansi kearifan lokal Palembang (V = 0,93) dan penerapan PBL (V = 0,88). Tanggapan siswa menunjukkan bahwa 92–95% menyatakan modul mudah dipahami, relevan dengan konteks lokal, dan membantu memvisualisasikan konsep energi melalui simulasi PhET. Dengan demikian, modul ini dinyatakan layak digunakan sebagai bahan ajar dalam pembelajaran fisika yang selaras dengan prinsip Kurikulum Merdeka.

Development of a Practicum Guide on Static Electricity Using a Van de Graaff Generator for Students Deni Sadly; Hamdi Akhsan
Jurnal Penelitian Pendidikan IPA Vol 9 No 6 (2023): June
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i6.2788

This research aims to develop practical guidelines for the Van de Graaff Generator on Static Electricity for Students that are valid and practical. This research uses research and development research methods with the Rowntree development model. The Rowntree development model is product-focused, consisting of three stages: planning, development, and evaluation. At the evaluation stage using, Tessmer's formative evaluation, namely self-evaluation, expert review, one-to-one evaluation, and small group evaluation. This research collected data in two ways: walkthrough and student response questionnaires. The results of the two methods are then analyzed by finding the average percentage value and converted according to the predetermined category. Based on the results of the expert review, it was found that the average overall aspect was 90.80% which was categorized as very valid. At the one-to-one evaluation stage, an assessment of student responsiveness was obtained of 81.67%, categorized as practical. Furthermore, in the small group evaluation stage, the results of student responses were obtained by 87% in the very practical category. Thus, based on the results of the research, the Van de Graaff Generator (GVG) practicum guide on Static Electricity for Physics Education Students is very valid and practical.

Development of A STEM-Based Introduction to Quantum Physics Module on the Sub-Subject of Potential Variations in the Physics Education Study Program Hamdi Akhsan; Guruh Sukarno Putra; Ketang Wiyono; Muhammad Romadoni; M. Furqon
Jurnal Penelitian Pendidikan IPA Vol 9 No 9 (2023): September
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i9.3577

A valid and practical STEM-based introduction to quantum physics module has been successfully developed. The module development uses a modified Rowntree development model consisting of three stages: the planning stage, the development stage, and the evaluation stage. Tessmer's formative evaluation was carried out at the evaluation stage, including self-evaluation, expert review, one-to-one evaluation, and small group evaluation. Data collection techniques used walkthrough data and questionnaire data. The results of the expert review show that the EVR value from the experts is 88.1%. In the one-to-one evaluation stage, the HEOS value from student responses to the use of this module is 88.6% (efficient type). The module was revised into prototype two and re-tested apart from these two stages. In the small group evaluation trial, the HEOS score from student responses using this module is 93.0%. Thus, based on the study results, it is concluded that the developed module (teaching material) is valid and practical.

Effectiveness of Dry Lab Based Augmented Reality to Overcome the Misconceptions of Students on Solar System and Eclipse Learning Topics Hamdi Akhsan; Muhammad Yusup; Melly Ariska; Tsabita Husna; Dwita Kartika Sari
Jurnal Penelitian Pendidikan IPA Vol 9 No SpecialIssue (2023): UNRAM journals and research based on science education, science applic
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9iSpecialIssue.6198

In science learning there are many important concepts that must be understood. The solar system is a complex and abstract material because it cannot be seen directly by human senses resulting in students experiencing misconceptions.Â Interactive learning media is needed to help students understand concepts. One of the learning media that can be applied is augmented reality based on dry lab simulation. This study aims to determine the effectiveness of using Dry Lab simulation to overcome misconceptions of earth and solar system material in junior high school. This research uses experimental research methods with Pre-experimental research models. The overall research results, the average effectiveness was 45.16%, which showed less effective results. Partially for the two sub-concepts of planets and solar and lunar eclipses, the average effectiveness is 65.5%, which shows that the dry lab simulation is effective in changing students' misconceptions

Initial Study of Students' Critical Thinking Ability Level and Concept Mastery on Earth Structure Material Yendri Tri Hartati Napitupulu; Sardianto Markos Siahaan; Hamdi Akhsan
Jurnal Penelitian Pendidikan IPA Vol 10 No 8 (2024): August
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i8.7684

Critical thinking and concept mastery is an important ability for every student to have. So, educators need to get information about the level of skills possessed by student. This study aims to describe the initial level of critical thinking skills and mastery of students' concepts, as well as the relationship between critical thinking skills and mastery of students' concepts on earth structure material in class VIII at SMP Negeri 2 Namang. The methodology used in the research is descriptive quantitative, using a critical thinking ability test and concept mastery test, and qualitative, using interviews. Students' critical thinking and concept mastery tests showed an average score of 43.78 and 55.94, with a fairly low category. The average value of the inference indicator was 25.97, and the indicator of making further explanations was 37.01. Both are the lowest indicators that still need to be improved. In contrast, the average value of the strategy and tactics indicator is 73.95, which is in the high category. The significance value obtained is <0.001, which indicates that there is a strong, significant, and directly proportional relationship between critical thinking skills and concept mastery, with a correlation coefficient value of 0.803. The results of the interview show the low enthusiasm of students in learning the structure of the earth due to the lack of a variety of media used and test questions that are not used to being done.

Co-Authors Abidin Pasaribu Abidin Pasaribu Abidin Pasaribu, Abidin Adam Darmawan Ade Kurniawan Ade Kurniawan Agung Mataram Agustina, Atika Ahmad Fauzi Ismail Ahmad Fudholi Aji, Dwi Purnomo Aljuzza, Muhammad Ikhsan Almafie, Muhammad Rama Amalia, Wardah Amanda Kurnia Utami Amanda Rahmannisa Andriani, Nelly Anggelina, Putri Anggelina, Zanne Apit Fathurohman Apit Fathurohman Arini Rosa Sinensis Atika Agustina Aulia, Maghfira Ayu Sekar Sari Azizah Putri Berimah Berimah, Azizah Putri Cahyani, Delvina Putri Cahyati, Nilam Damayanti, Fitria Siska Dani, Rahma Dea Amalia Dea Rizky Oktavia Deni Sadly Detrika Mawar Arrum Devi Ardiantini Dwi Purnomo Aji Dwi Purnomo Aji Dwicahyani, Rania Dwita Kartika Sari Edo Anugrah Edray, Auliya Einsrizkianne Elsie Sulastry Erazando Alfa Seira Ermalia, Widia Fahreza, Muhammad Aditya Fajriah, Nurkholisa Fatmawati, Fatmawati Fatonah, Amelia Febrianti, Tanti Fena Siska Putriyani Fika Nurul Hidayati Firdausi, Huriyatul Fitria Siska damayanti Fitriyani Fitriyani Guruh Sukarno Putra Halim, Noor Dayana Abd Hapriza, Yunita Hayati, Suci Husnul Ida Sriyanti Iful Amri Iin Seprina Ina Agustina Intan Purnama Sari Irenta Irenta Ishkaq Iskandar Iskhaq Iskandar Iskhaq Iskandar Iskhaq Iskandar Iskhaq Iskandar Ismet Ismet Ismet Ismet, Ismet Ismet, I. Izzah Nurhidayah, Izzah Jamiatul Khairunnisa Putri Jesi Pebralia Juliansyah, Dendi Juwita Febrianti Kartika, Nadia Dwi Ketang Wiyono Ketang Wiyono Ketang Wiyono KHOIRUN NISA Kistiono Kistiono Kistiono Kistiono Kistiono Kistiono Kistiono Kistiono Komarudin Komarudin Kurnia, Mega Lamura, M. Danny Pratama Lara Sania Laras Sapitri, Cindy Leni Marlina Leni Marlina Leni Marlina Lestari, Mutiah Lestari, Yora Inda Lira Diska Wati Lira, Lira Lismayana, Pegi Putri M. Nicola Prajaska MAHARANI, MELINDA Mahdiah, Intan Mahmudah, Indri Maliya, Fina Manurung, Nia Three Markos Siahaan, Sardianto Mega Kurnia Meilanie, Trista Melly Ariska Melvany, Nanda Eva Miftahul Jannah Mindia Vanessa Pratiwi, Sri Muhamad Yusup Muhammad Aditiyah Muhammad Afrizal Muhammad afrizal Muhammad Aufa Riyaldo Muhammad Irfan Muhammad Irfan Muhammad Irfan Muhammad Irfan Muhammad Irfan Muhammad Muslim muhammad muslim Muhammad Muslim Muhammad Muslim, Muhammad Muhammad Romadoni Muhammad Romadoni Muhammad Yusuf Muhammad Yusup Murnia Murniati Murniati . Muslimah, Resta Ulis Mutia Faradini Ramadhanty Mutiah Lestari Mutiara Putri, Mutiara Nadya Anggraini Nasiroh, Anisa Qoriq Atun Nazhifah, Rizqia Nely Andriani Nely andriani Nely Andriani, Nely Nestity, Alifia Nia Nopeliza, Nia Nia Three Manurung Nilam Cahyati Nita Arrum Sari Nora Herliza Noviana, RA Sania Nurhikmah, Putri Nurjana, Elsa Vini Eka Nurkholisa Fajriah Oktasari, Tina Patriot, Evelina Astra Pertiwi, Nadiar Prajaska, Nicola Pratiwi Ineke Anwar Putra, Gede Mudita Edi Putra, Guruh Sukarno Putri Maulida, Nabila Putri Wijayanti Putri, Arselly Rahmanda Putri, Jamiatul Khairunnisa Putri, Mutiara Juliana Putriyani, Fena Siska Qathrunnada, Sausan Rahma Hafitri Rahman, Nor Farahwahidah Abdul Rahmannisa, Amanda Ramadhani, Neysya Ditha Ramadhona, Tyse Rara, Rara Redondo, Fernando Eric Ribkoh, Ribkoh Risa Albeta Rizki Novianti, Rizki Romadoni, Muhammad Salmah Rianti Salmah Rianti Salsabillah, Zahwa Nur Saparini Saparini Saparini Sardianto Markos Siahaan Sardianto Markos Siahaan, Sardianto Markos Sari, Dwita Kartika Sari, Isma Sari, Mona Sekarani, Tresnane Suandti Seprina, Iin Sholeha, Nurlita Dwi Siahaan, Sardianto Marcos Siregar, Anpo Ferdy Siti Kurdiah Siti Nur Azizah Sopia Sopia Sri Mindia Vanessa Pratiwi Sri Zakiyah Sudirman Sudirman Sudirman Sudirman Suhadi Suhadi Suhadi Suhadi Suhadi Supardi Supardi Supardi Supari Supari Supari Supari Supari Supari Supari, Supari Sutanto, Taufiq Sutinah, Eka Syahputri, Selvia Mariska Syahrani, Revanola Gusti Syuhendri, Syuhendri Tanti Febrianti Taufiq Taufiq Tine Aprianti Tresnane Suandti Sekarani Tsabita Husna Tyse Ramadhona Utami, Amanda Kurnia Vania, Amanda Asti VIOLANTI ANARKY, VIOLANTI Wahyuningsi, Wahyuningsi Wailaina Wardah Amalia Wati, Lira Diska Winarni, Kiki Ayu Wulandari, Dwi Noviana Yendri Tri Hartati Napitupulu Yenny Anwar Yesi Monalika Yuli Setianingsih Yuliana, Rahma Zahlia, Marsela Zulherman Zulherman Zulherman Zulherman, Zulherman

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