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NUMERICAL SIMULATION OF UNSTEADY VISCOUS FLOW AROUND AIRSHIP USING VORTEX METHOD Subagyo
Indonesian Journal of Aerospace Vol. 8 No. 2 Desember (2010): Jurnal Teknologi Dirgantara
Publisher : BRIN Publishing

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Abstract

The grid-less Vortex Method has been developed as the tool for the analysis of two-dimensional (2D) and three-dimensional (3D) complex flows in various engineering applications. In the present study, unsteady flows around a slightly complex geometry (bare hull of an airship and body of an airship) at angles incidence α= 10°, 20°, and 30° were investigated by using the vortex method for a high Reynolds number, Re = 3.9105. The flow-pattern, velocity field, coefficient of pressure distribution on the bare hull and the surface of the airship body, and the aerodynamic coefficient were obtained from numerical calculations. A comparison of the numerical results with the experimental observations showed a good agreement.
Kontribusi Etika Dalam Mengarahkan Perkembangan Ilmu Pengetahuan, Teknologi, Dan Seni (Ipteks) Di Era Digital : Systematic Literatur Review Dengan Metode PRISMA Pradana, Yudha; Winarno, Agung; Subagyo
HARAMAIN : Jurnal Manajemen Bisnis Vol. 5 No. 03 (2025): HARAMAIN : JURNAL MANAJEMEN BISNIS
Publisher : HARAMAIN : Jurnal Manajemen Bisnis

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Abstract

Perkembangan ilmu pengetahuan, teknologi, dan seni (IPTEKS) pada era digital menghadirkan peluang sekaligus tantangan etis yang semakin kompleks, mulai dari isu privasi data, bias algoritmik, hingga integritas akademik dan hak cipta seni digital. Penelitian ini bertujuan menganalisis kontribusi etika dalam mengarahkan perkembangan IPTEKS di era digital melalui pendekatan Systematic Literature Review (SLR) berbasis protokol PRISMA dengan bantuan ATLAS.ti. Dari 180 artikel awal yang teridentifikasi, sebanyak 35 artikel memenuhi kriteria inklusi (tahun publikasi 2023-2025) dan dianalisis menggunakan teknik analisis tematik dan analisis isi. Hasil penelitian menunjukkan bahwa etika berperan strategis dalam empat domain utama: (1) pengendalian risiko teknologi (seperti privasi, keamanan siber, dan bias algoritmik), (2) pendorong inovasi bertanggung jawab melalui prinsip transparansi, akuntabilitas, dan keadilan sosial, (3) penjaga integritas ilmiah dalam pendidikan dan riset, serta (4) pedoman moral bagi produksi karya seni digital. Kerangka etika dominan yang ditemukan meliputi etika deontologis, utilitarianisme, value-sensitive design, etika AI (fairness, accountability, transparency, privacy), serta etika berbasis nilai lokal seperti Etika Pancasila. Penelitian ini juga mengidentifikasi sejumlah research gap, termasuk keterbatasan kajian empiris terkait etika AI, minimnya integrasi etika Pancasila dalam desain teknologi, serta kurangnya model evaluasi etika seni digital. Temuan penelitian ini menegaskan bahwa etika tidak sekadar menjadi pelengkap normatif, tetapi merupakan fondasi utama bagi arah perkembangan IPTEKS yang berkelanjutan, inklusif, dan berorientasi pada kemanusiaan.
The influence of Product Quality, Discounts, and Online Customer Reviews on Purchasing Decisions for Jiniso Brand Fashion Products Putri, Sintya Fitrialin; Subagyo
Proceeding Kilisuci International Conference on Economic & Business Vol. 3 (2025): Proceeding Kilisuci International Conference on Economic and Business
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/kilisuci.v3i.6031

Abstract

Research objectives: The focus of this study is on the Jiniso fashion brand, specifically looking at how factors like product quality, discounts, and online consumer reviews on the purchasing decisions related to Jiniso fashion brand products, either partially or simultaneously. Design / Method / Approach: This research employs a quantitative methodology utilizing causal techniques. The study's population comprises students from the Faculty of Economics and Business at University Nusantara PGRI Kediri, with a sample consisting of 40 respondents. A non-probability sampling method was applied, specifically a purposeful sampling approach targeting students who had previously purchased products from the Jiniso fashion brand. Data were gathered through an online survey, and the analysis was conducted using multiple linear regression techniques facilitated by IBM SPSS Statistics 27 software. Research findings: Out of the three independent variables studied, online customer reviews (X3) had the most influence on consumers' decisions to buy products from the Jiniso fashion brand, according to the research. The other two variables were discount (X2) and price (X2). On the other hand, there is no evidence that product quality (X1), an independent variable, influences these purchases. Theoretical contribution / Originality: The results of this research could provide a useful reference for future research examining how product quality, promotional discounts, and online customer reviews influence purchasing decisions for Jiniso brand fashion items. Practitioner Implications/ Policy :  This research offers  general overview in creating of marketing strategies while also clarifying consumer needs and expectations that drive repeat purchases.  Research limitations:  This research is limitation is on the influence of product quality, discounts, and online customer reviews on the purchasing decisions related to Jiniso Brand fashion products among students. The participants in this research were exclusively drawn from the Faculty of Economics and Business at Nusantara University PGRI Kediri.
The Influence of Product Quality, Word Of Mouth, and Brand Trust on Purchasing Decisions for Marina Hand & Body Lotion Marina among Students at the Faculty Of Economics and Business UNP Kediri Wahyuningsih, Rohmah; Subagyo
Proceeding Kilisuci International Conference on Economic & Business Vol. 3 (2025): Proceeding Kilisuci International Conference on Economic and Business
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/kilisuci.v3i.6049

Abstract

Research aim : This research sought to evaluate the influence of product quality, word of mouth, and brand trust on purchasing decisions, both partially and simultaneously. Design/Method/Approach : This research adopts a quantitative approach grounded in a causal method. The study focuses on students from the Faculty of Economics and Business at UNP Kediri, with a sample of 40 respondents who are users of Hand & Body Lotion Marina. Data collection was done using an online survey through a questionnaire filled out by respondents on a Likert scale. The data analysis technique uses multiple linear regression analysis. Research findings : The outcome of this research  show that product quality and brand trust have a significant effect, while word of mouth has no significant effect.. Theoretical contribution/Originality : This study  can be a reference for future study to the affect  of product quality, word of mouth, and brand trust on the purchase decision of Marina Hand & Body Lotion Practitioner Implications/ Policy : This is expected to help Marina in formulating an effective marketing strategy by utilizing product quality, word of mouth and brand trust to improve consumer purchasing decisions. Research limitations :  This study focuses on the analysis of how product quality, word of mouth, and brand trust affect the purchasing decisions of Marina Hand & Body Lotion among students at the Faculty of Economics and Business, UNP Kediri.
In-Depth Analysis Of The Experience Of Shallot Farmers In Implementing Ict-Based Marketing Strategies: A Case Study Of Increasing Product Marketability In Sukomoro Village, Nganjuk Regency Indarsari , Savira Chalim; Subagyo
Proceeding Kilisuci International Conference on Economic & Business Vol. 3 (2025): Proceeding Kilisuci International Conference on Economic and Business
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/kilisuci.v3i.6205

Abstract

Research Objectives: This research aims to deeply understand the experience of shallot farmers in Sukomoro Village, Nganjuk Regency, in implementing ICT-based marketing strategies. The main focus of the research is to uncover how the application of information and communication technology (ICT) affects the marketability of shallot products, increases farmers' income, and expands market reach.Design/Method/Approach: This research uses a descriptive qualitative method. Data was collected through interviews, observations, and document analysis by shallot farmers in Sukomoro Village, Nganjuk Regency. In this study, the data source came from several informants who had an understanding of marketing strategies in Sukomoro Village. Meanwhile, the object of the research is red bwang farmers.Research Findings: The findings in this study reveal that the application of ICT (Information, Communication, and Technology) based strategies has a significant effect on product sales and increasing the marketability of shallots in Sukomoro Village, Nganjuk Regency Theoretical/Originality Contribution: This research contributes to the literature on ICT-based marketing in the agricultural sector, especially on shallot commodities. The study also provides new insights into farmers' experiences in adapting to technology in specific local contexts. Practitioner/Policy Implications: The results of this study can be a reference for local governments in designing digital literacy training programs for farmers with the private sector for the development of ICT-based technology in the agricultural sector Limitations of the study: The study only focused on one village as a case study, so the results may not be fully generalizable to other regions. In addition, the study relies on interviews as the primary source of data, which can be influenced by the subjectivity of the respondents.
Utilization of Local Wisdom “Anglo” as an Effort to Increase the Competitiveness of Fried Rice Business Cintyawati, Anggita Putri Puspita Dwi; Subagyo
Proceeding Kilisuci International Conference on Economic & Business Vol. 3 (2025): Proceeding Kilisuci International Conference on Economic and Business
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/kilisuci.v3i.6297

Abstract

Research aim : Analyzing the utilization of local wisdom anglo as a strategy to improve the competitiveness of fried rice businesses, through a product differentiation.Design/Methode/Approach : This research uses descriptive qualitative methods with data collection techniques through in-depth interviews. Informants were selected purposively based on the 5R criteria.Research Finding : Based on the results of the research, it was found that the utilization of the Anglo as an effort to increase competitiveness can be seen from its distinctive characteristics derived from clay, theunique taste produced, and the attractiveness it offers to consumers.Theoretical contribution/Originality : This research adds insight into the importance of local wisdom integration in culinary business development, especially in popular products such as fried rice, which has not been widely explored from the perspective of local culture and marketing strategies.Practitionel/Policy implication : This research can provide practical insights for culinary business owners, especially fried rice businesses, to understand the importance of local distinctiveness in improving thecompetitiveness of their products. This research can also provide practical benefits for other researchers by providing insight into how local distinctiveness can be utilized as a differentiation strategy in improving the competitiveness of culinary products Research limitation : This research is limited to the Kediri City area and uses a small number of respondents, The research also has not explored the potential for business collaboration or changes in consumer trends at large.
PEMAHAMAN LITERASI KEUANGAN DALAM PENGGUNAAN PINJAMAN ONLINE PADA E-COMMERCE SHOPEE PAYLATER Nursinta, Lia Ayu; Subagyo; Widodo, Moch. Wahyu
Prosiding Seminar Nasional Manajemen, Ekonomi dan Akuntansi Vol. 7 (2022): PROSIDING SEMINAR NASIONAL MANAJEMEN, EKONOMI DAN AKUNTANSI 2022
Publisher : Universitas Nusantara PGRI Kediri

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Abstract

This study aims to find out how to understand financial literacy in the use of online loans in shopee paylater e-commerce. This research uses a qualitative approach with the type of ethnomethodological research. The way this research data is collected is through observation, interviews, and documentation. The criteria for determining informants in this study include relevance, recommendation, rapport, readiness, reassurance (5R). The informant in this study was a management study program student class of 2018 who used shopee payleter. The findings of this study show that the aspects of financial literacy in savings, loans and financial management show their measurements in well literate while in investment and insurance show measurements in sufficient literacy, which means that students' understanding of financial literacy is quite good.
PENGARUH KELENGKAPAN PRODUK, SUASANA TOKO DAN KENYAMANAN BERBELANJA TERHADAP KEPUTUSAN PEMBELIAN PADA MINIMARKET SULTHAN MART Romzi, Muhammad Nizar Fauzi; Subagyo; Widodo, Moch. Wahyu
Prosiding Seminar Nasional Manajemen, Ekonomi dan Akuntansi Vol. 8 (2023): PROSIDING SEMINAR NASIONAL MANAJEMEN, EKONOMI DAN AKUNTANSI 2023
Publisher : Universitas Nusantara PGRI Kediri

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Abstract

The intense competition in the retail business in the community is the background of this research. With the intense competition, retail business actors must be extra in influencing consumers to shop at their stores. The research was conducted at the Sulthan Mart Minimarket located in Mekikis Village, Purwoasri District, Kediri Regency. This research was conducted to find out how the influence of product completeness, store atmosphere and convenience of shopping on purchasing decisions. Respondents from this study were buyers at the Sulthan Mart Minimarket randomly with a total of 40 respondents. The methodin this study is quantitative which uses a questionnaire and is processed with SPSS v.23. The results of this study are product completeness partially has a significant effect on purchasing decisions, shop atmosphere partially has no significant effect on purchasing decisions, shopping convenience partially has a significant effect on purchasing decisions. Product completeness, store atmosphere, and convenience of shopping together or simultaneously have a significant effect on purchasing decisions
PENGARUH GAYA HIDUP, DISKON DAN FITUR LAYANAN TERHADAP MINAT PEMBELIAN IMPULSIF PENGGUNA E-WALLET SHOPEEPAY PADA E-COMMERCE SHOPEE DI KALANGAN MAHASISWA Iskandana, Nevia Cahyaning Dewi; Subagyo; Widodo, Moch. Wahyu
Prosiding Simposium Nasional Manajemen dan Bisnis Vol. 3 (2024): Simposium Manajemen dan Bisnis
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/mepvs103

Abstract

Tujuan dari penelitian ini adalah untuk menganalisis pengaruh gaya hidup, diskon dan fitur layanan terhadap minat pembelian impulsif pengguna E-Wallet ShopeePay pada E-Commerce Shopee di kalangan mahasiswa. Dalam penelitian ini, gaya hidup, diskon dan fitur layanan dipertimbangkan sebagai variabel yang dapat mempengaruhi perilaku belanja online secara impulsif. Penelitian ini menggunakan metodologi kuantitatif dan masuk dalam kategori penelitian korelasional. Data dikumpulkan melalui kuisioner yang disebarkan kepada mahasiswa pengguna ShopeePay. Hasil penelitian menunjukkan bahwa gaya hidup, diskon dan fitur layanan berpengaruh signifikan dan positif terhadap kecenderungan konsumen dalam melakukan pembelian secara impulsif. Saran yang dapat diambil dari penelitian ini diharapkan akan memberikan pemahaman yang lebih baik kepada pemasar dan penyedia layanan dompet elektornik tentang faktor-faktor yang dapat memengaruhi keputusan pembelian impulsif dan membantu mengembangkan strategi yang berhasil menarik pelanggan.
PENGARUH CITRA MEREK, KUALITAS PRODUK DAN CELEBRITY ENDORSEMENT TERHADAP KEPUTUSAN PEMBELIAN PADA PRODUK SKINCARE LOKAL SOMETHINC Artika, Claryca Rosy; Subagyo; Widodo, Moch. Wahyu
Prosiding Simposium Nasional Manajemen dan Bisnis Vol. 3 (2024): Simposium Manajemen dan Bisnis
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/4kbcvs31

Abstract

Penelitian ini bertujuan yakni guna mengetahui apakah citra merek, kualitas produk, dan dukungan selebriti mempunyai dampak positif terhadap keputusan pembelian produk perawatan kulit lokal tertentu. Penelitian ini menggunakan metodologi kuantitatif. Sampel penelitian berjumlah 100 responden asal Kota Kediri yang semuanya berusia minimal 17 tahun dan pernah membeli atau menggunakan produk perawatan kulit. Penelitian ini memanfaatkan teknik non-probability sampling dengan caa membuat survei dalam format kuesioner untuk mengumpulkan data penelitian. Analisis data yang diterapkan yaitu regresi linier berganda dengan bantuan software SPSS versi 25. Temuan penelitian menunjukkan bahwa citra merek tidak berdampak besar terhadap keputusan pembelian produk perawatan kulit lokal. Namun, faktor-faktor seperti kualitas produk serta dukungan selebriti memberikan pengaruh yang besar terhadap penilaian ini. Beli produk perawatan kulit buatan lokal di Kota Kediri. Tujuannya agar temuan penelitian ini dapat menjadi tolok ukur pengembangan taktik pemasaran yang efisien yang meningkatkan pilihan pembelian konsumen.