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Flatwise Testing Modeling Study On Aluminium Honeycomb Panel Ramayanti, Sri
Jurnal Teknologi Dirgantara Vol 20, No 2 (2022): Jurnal Teknologi Dirgantara
Publisher : National Institute of Aeronautics and Space - LAPAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30536/j.jtd.2022.v20.a3937

Abstract

Honeycomb sandwich structures are widely used in space applications due to their exceptional performance. Extensive research has been conducted on the response of honeycomb structures to various external loads. The out-of-plane strength, including compression and tensile properties, is a critical aspect of honeycomb structures. Despite some experimental and numerical studies, research specifically addressing the tensile direction, such as flatwise tensile testing in honeycombs, remains limited. This testing focuses on the bond strength between the face sheets and the honeycomb core, as well as the tensile strength of the core itself. Utilizing finite element analysis (FEA) has proven effective for characterizing honeycomb structures under various load conditions. However, the complex geometry of the core requires an enormous number of elements, increasing computation times. Thus, simplifying the model by replacing the hexagonal geometry with a homogenized solid layer with effective material properties is necessary. This study focuses on flatwise tensile testing of aluminum honeycomb using different modeling approaches: discrete, continuum, and equivalent plate models. The discrete model serves as the reference due to its detailed structural representation. The continuum-Gibson model, while reasonably accurate in stress estimation, tends to overestimate displacement. Both equivalent models, Hoff and Reissner, significantly overestimate displacement, with Hoff underestimating stress and Reissner overestimating it. In contrast, equivalent models offer insights, but their accuracy varies, necessitating further calibration for precise predictions. Future research should validate these simulation results with real tests
Iluminasi Panel Surya pada Satelit Orbit Rendah Ekuatorial SURYANTI, DESTI IKA; RAMAYANTI, SRI; MUKHAYADI, MOHAMMAD
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 7, No 3: Published September 2019
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v7i3.480

Abstract

ABSTRAKDesain satelit telah berkembang ke arah miniaturisasi untuk mengurangi biaya peluncuran. Satelit kecil menyediakan platform berbiaya rendah untuk misi luar angkasa. Salah satu permasalahan utama satelit kecil adalah terbatasnya ketersediaan daya. Karena ketersediaan daya diperlukan agar subsistem satelit dapat bekerja, maka pada proses desain satelit perlu dilakukan analisis dan estimasi ketersediaan daya selama satelit mengorbit dengan tetap mempertahankan kekompakan dan volume yang diberlakukan oleh standar. Penelitian ini bertujuan untuk mengetahui kondisi iluminasi matahari pada panel surya dari berbagai alternatif desain penempatan sehingga diperoleh sebuah desain yang efisien. Iluminasi maksimum sebuah panel surya triple junction yang terpasang secara body mounted pada satelit kurang lebih sebesar 60%. Berdasarkan hasil penelitian ini, kombinasi pemasangan 3 body mounted panel surya dan 2 simple deploy panel surya menghasilkan persentase iluminasi dua kali lipat dibandingkan 5 body mounted panel surya.Kata kunci: panel surya triple junction, iluminasi, body mounted, simple deploy, daya ABSTRACTSatellite design has envolved towards miniaturization to reduce launch costs. Small satellites provide a low-cost platform for space missions. One of the main problems with small satellites is the limited availability of power. Because the availability of power is needed so that the satellite subsystem can work, the satellite design process needs to analyze and estimated power availability as long as the satellite orbits while maintaining the compactness and volume imposed by the standard. This study aims to determine the conditions of solar illumination on solar panels from various alternative design placements in order to obtain an efficient design. Maximum illumination of triple junction solar panel mounted on a small satellite is approximately 60%. Based on the results of this study, the combination of installing 3 body mounted solar panels and 2 simple deploy solar panels produced twice the illumination percentage compared to 5 body mounted solar panels.Keywords: solar panel triple junction, illumination, body mounted, simple deploy, power
PENINGKATAN MOTIVASI DAN HASIL BELAJAR INDUKSI ELEKTROMAGNETIK MELALUI PENERAPAN STRATEGI PEMBELAJARAN PROBEX (PREDICT OBSERVE EXPLAIN) BAGI PESERTA DIDIK KELAS IX F SMP NEGERI 3 PURWOREJO SEMESTER II TAHUN PELAJARAN 2018/2019 Juniati, Juniati
Jurnal Sosialita Vol. 15 No. 1 (2021): JURNAL SOSIALITA
Publisher : Program Magister Pendidikan IPS UPY

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

Abstract

Masalah penelitian ini adalah rendahnya kemapuan peserta didik dalam memecahkan masalah. Penelitian ini bertujuan meningkatkan meningkatkan motivasi dan hasil belajar peserta didik melalui Probex.Penelitian dilakukan dalam 2 siklus dan tiap siklus terdiri dari 3pertemuan.Hasil penelitian menunjukkan bahwa peserta didik selalu termotivasi untuk belajar IPA meningkat dari 25% menjadi 52,5% pada siklus II dan ada kenaikan nilai rata-rata 77,92 pada siklus I menjadi 87,92 pada siklus IIdan ketuntasan belajar menunjukkan kenaikan dari 75% pada siklus I menjadi 91,6% pada siklus II. Disimpulkan bahwa pembelajaran probex pada konsep induksi elektromagnetik dapat meningkatkan motivasi dan hasil belajar peserta didik kelas IX F SMP Negeri 3 Purworejo tahun pelajaran 2018/2019.Kata: kunci: motivasi, hasil belajar, Probex (Predict Obsere Explain)The problem in this study concerns with the students’ lower problem solving skill. This study aimed to improve students’ learning motivation and outcomes through Probex.The study was conducted in two 2 cycles with each of 3 meetings. Result of this study indicated that student were consistently motivated to learning Science, i.e. there was improvement from 25% to 52.5% at cycle II and the score average of 77.92 at cycle I improved to be 87.92 at cycle II; and learning mastery showed improvement from 75% at cycle I to 91.6% at cycle II. It is concluded that probex learning in electromagnetic induction is able to improve the student learning motivation and outcomes of class IX F at SMP Negeri (State Junior High School) 3 Purworejo in 2018/2019.Keywords: motivation, learning outcomes, Probex (Predict Observe Explain)
Regulatory Implications of The Public Financial Management Framework in Indonesia Tirton Nefianto; Ayu Larasati
Jurnal Indonesia Sosial Sains Vol. 5 No. 03 (2024): Jurnal Indonesia Sosial Sains
Publisher : CV. Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jiss.v5i03.1025

Abstract

Public Financial Management a set of laws, rules, and standards is an important part of regulating the systems and processes used by each sovereign state and local government, to mobilize revenue, allocate public funds, conduct public spending, and budget audits. The purpose of public financial management itself is to increase efficiency and transparency in the use of public resources and eliminate the inefficiency of public resources. The regulatory framework for Public Financial Management can carry out analytical and critical practices in helping to facilitate services efficiently and effectively. This article uses a qualitative method with a descriptive approach to describe or analyze a research result but is not used to make a broader conclusion. Analysis and Discussion The Government of Indonesia is aware that there are regulations governing budgeting, although some of them do not understand and study these documents comprehensively. The regulatory framework governing fund management influences service delivery. In conclusion, the regulatory framework explains how public budgets are used to provide better services. The regulation is designed to help to reduce budget waste and prevent corruption.
Tradisi Tangkel Dalam Perayaan Pernikahan Di Bangka Belitung: Tinjauan Al-‘Urf Juniati, Juniati; Harizan, Harizan; Ismanto, Reno
ISLAMITSCH FAMILIERECHT JOURNAL Vol. 5 No. 2 (2024): Islamitsch Familierecht Journal
Publisher : Fakultas Syariah dan Ekonomi Islam, IAIN Syaikh Abdurrahman Siddik, Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32923/ifj.v5i2.5043

Abstract

Abstrak: Penelitian ini bertujuan untuk menguraikan tradisi Tangkel Bonglai yang dipraktikkan oleh sebagian masyarakat di Bangka Belitung. Tradisi tengkel bonglai dilakukan dengan meletakkan garam dan air di dekat makanan yang disajikan kepada orang-orang pada perayaan pernikahan. Tradisi ini dilakukan dengan tujuan untuk melindungi makanan agar tidak basi dan pengantin tidak mengalami hal-hal buruk. Dengan menggali informasi dari informan penelitian, data-data yang diperoleh dianalisis dengan pendekatan yuridis menggunakan al-‘urf sebagai framework analisis. Penelitian ini menyimpulkan bahwa tradisi tangkel bonglai masuk dalam kategori ‘urf fasid, karena tradisi ini diiringi dengan kepercayaan jika ditinggalkan akan menimbulkan sesuatu yang buruk. Keyakinan ini mengandung unsur syirik, karena mempercayai ada kekuatan lain, selain Allah, yang dapat memberikan manfaat dan mudharrat.
The Functions of Language Analysis on Oral Tradition Tangis in Karonese Ramayanti, Sri; Zainuddin, Zainuddin
TRANSFORM: Journal of English Language Teaching and Learning Vol. 11 No. 3 (2022): September, 2022
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/tj.v11i3.44034

Abstract

This research deals with the analysis of language functions on oral tradition's Tangis in Karonese. The aim of this research is to: (a) describe how language functions are realized on oral tradition's Tangis in Karonese and (b) explain the reason why language functions are used on oral tradition's Tangis in Karonese. This research was conducted by using the descriptive qualitative method. The data of this research is taken from the utterances spoken by the pilgrims when did the Tangis. There are five language functions found in Tangis from the six language functions proposed by Roman Jakobson. They were referential 54,1%, conative 32,4%, emotive 8,1%, phatic 2,7 %, and poetic 2,7%. Besides the language functions found, there are also the reasons the language functions are used on oral tradition's Tangis in Karonese. They were thoughts, feelings, needs, and observation.
Sistem E-government Berbasis Web Untuk Digitalisasi Layanan Persuratan Di Kantor Desa Lare-lare juniati, juniati; Akram Hamzah, Muhammad; Anas, Aswar
Jurnal Sintaks Logika Vol. 5 No. 2 (2025): Mei 2025
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jsilog.v5i2.4000

Abstract

Tujuan dari penelitian ini adalah untuk membuat sistem digitalisasi untuk layanan persuratan Kantor Desa Lare-lare yang beroperasi melalui internet. Peneliti mengumpulkan data melalui observasi dan dokumentasi. Untuk membangun sistem, pendekatan Unified Modeling Language (UML) digunakan, dan untuk membuat website, bahasa pemrograman PHP dan database MySQL digunakan. Analisis, perancangan, implementasi, pengujian, dan pemeliharaan adalah langkah-langkah pengembangan waterfall yang digunakan, proses pengembangan sistem berjalan sesuai dengan rencana. Oleh karena itu, sistem ini dianggap layak dan mudah digunakan oleh masyarakat dan perangkat desa. Jadi, sistem digitalisasi layanan persuratan yang dibuat dapat membantu anggota staf desa mengelola surat-menyurat dan memungkinkan warga mengaksesnya. Hasil akhir dari penelitian ini adalah sebuah sistem layanan persuratan digital untuk Kantor Desa Lare-lare
ANALISIS PROSEDUR AKUNTANSI DALAM PENGELOLAAN DANA BANTUAN OPERASIONAL SEKOLAH (BOS) PADA SMA NEGERI 1 WUNDULAKO Juniati, Juniati; Triani, Neks; Sabarudin, Sabarudin
Jurnal Akuntansi Kompetif Vol. 8 No. 3 (2025): Akuntabilitas, Pengendalian Internal, dan Kinerja Keuangan di Sektor Publik dan
Publisher : Komunitas Manajemen Kompetitif

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35446/akuntansikompetif.v8i3.2359

Abstract

This study aims to describe the accounting procedures used in the management of School Operational Assistance (BOS) funds at SMA Negeri 1 Wundulako. The problem formulations in this study are: 1) What are the accounting procedures for managing School Operational Assistance (BOS) funds at SMA Negeri 1 Wundulako? 2) Does the accounting system for managing School Operational Assistance (BOS) funds at SMA Negeri 1 Wundulako comply with the National Education Standards and BOS Technical Guidelines? This research uses qualitative analysis with a case study approach. Data collection involved observation, documentation, and interviews with research subjects. Validity tests were conducted using source triangulation, technical triangulation, and time triangulation. Data analysis techniques included data reduction, data presentation, and data verification. The results of the study indicate: 1) the management of BOS funds at SMA Negeri 1 Wundulako is in accordance with the 2022 BOS technical guidelines. BOS fund management has three important aspects, namely planning, implementation, and reporting. In the management of BOS at SMA Negeri 1 Wundulako, there are several shortcomings, namely in the process of preparing the RKAS where there is no budget allocated to finance the development of graduate compensation standards; development of content standards; and development of educators and education personnel. Furthermore, there are obstacles in the process of distributing BOS funds which are often delayed so that the school must go into debt to resolve the problem. Another problem is that at any time the school suddenly requires carrying out an activity whose implementation budget is not listed in the RKAS. The solution that the school can do to overcome this problem is to go into debt; 2) the use of BOS funds at SMA Negeri 1 Wundulako has been maximized to meet the needs of the school. However, maximizing the use of BOS funds so that it can reach all components in the school. Accounting Procedures, Management, BOS Funds
Response to The Use of Liquid Organic Fertilizer on Vegetative Growth in Soybean Plants Black (Glycine Soja L. Merrill) with Two Different Cultivars Ramayanti, Sri; Rahmadina, Rahmadina; Idami, Zahratul
Jurnal Biologi Tropis Vol. 24 No. 3 (2024): July - September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i3.7512

Abstract

Soybean-based food business and population growth drive the increase in soybean consumption every year in Indonesia. Soybean varieties and liquid organic fertilizer applications can help overcome losses in soybean plant growth and productivity. This study used a randomized block design (RAK) with treatment consisting of 2 factors with 3 repetitions. Factor i liquid organic fertilizer (p), consists of 4 levels, namely: p0 = 0 ml, p1 = 20 ml, p2 = 40 ml, p3 = 60 ml. the 2nd factor cultivar (k), consists of 2 types, namely: k1 = cultivar detam 1, k2 = cultivar detam 3. The results showed that the response and effectiveness of the application of soybean peel poc and different cultivars did not significantly affect the vegetative growth of black soybean plants, but when viewed as a whole p3 (60 ml) gave the highest value on the parameters of leaf area index 21 hst, root nodules, chlorophyll a, and chlorophyll b content.
Analysis the impact of digital campaign on healthcare provider-waste management provider Tengker, Ruth Faleria; Lestari, Windy
Action Research Literate Vol. 8 No. 2 (2024): Action Research Literate
Publisher : Ridwan Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46799/arl.v8i2.263

Abstract

This research aims to analyze the impact of digital campaigns on the relationship between health service providers and waste management service providers using qualitative methods. This research utilizes literature studies related to the research topic. This qualitative data will be analyzed using an inductive approach to identify patterns, thematic findings, and dynamics that emerge in the relationship between health service providers and waste management service providers after the implementation of the digital campaign. The results of this study are expected to provide in-depth insights into the role of digital campaigns in shaping and improving relationships between the healthcare and waste management sectors and the implications for sustainable waste management practices.