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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis Cakrawala Pendidikan Jurnal Teknik ITS Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati REINWARDTIA Jurnal Komputasi IJOCE (International Journal of Offshore and Coastal Engineering) Journal of Politics and Policy (JPPOL) Jurnal Ilmiah Sistem Informasi dan Ilmu Komputer Dewantara: Jurnal Pendidikan Sosial Humaniora Reinwardtia Jurnal Komputasi
Wisnu Wardhana
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Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Social Sciences

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Pengembangan Script Instalasi dan Konfigurasi Samba Server pada OpenWrt 12.09 Attitude Adjustment Didik Kurniawan; Imam Gunaro; Wisnu Wardhana
Jurnal Komputasi Vol. 2 No. 2 (2014)
Publisher : Jurusan Ilmu Komputer Fakultas MIPA Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v2i2.1103

Abstract

Samba is a re-implementation of the SMB (Server Message Block) / CIFS (Common Internet File System) from Windows NT used for providing shared access to files, printers and miscellaneous communications between nodes on a network. Samba uses the client- server mechanism whereby a computer will act as a server and should always be active to provide services to users. As an alternative, wireless router is used to replace computer server functionality to provide the same services as computer server did. By using OpenWrt, wireless router can be installed with Samba server. To simplify the installation and configuration process of Samba server, we designed a Bash shell script to automatically installing and configuring Samba server on OpenWrt router.Keywords: bash, networking, OpenWrt, router, samba, shell script
PENERAPAN ALGORITMA SEQUENTIAL SEARCH DALAM PROSES PENCARIAN INFORMASI PADA SISTEM PEMBELAJARAN ORGAN JANTUNG MANUSIA Wamiliana Wamiliana; Ade Hardiyanti; Wisnu Wardhana
Jurnal Komputasi Vol. 2 No. 2 (2014)
Publisher : Jurusan Ilmu Komputer Fakultas MIPA Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v2i2.1199

Abstract

Without no doubt, technology supports the human life and can be applied in many aspects, for example ineducation development. Learning process using computer as an aided tools are commonly used. The Applicationof Sequential Search Algorithm for The Searching Process of Information in The Learning System of Human’sHeart is an example of the application of computer in education that can be one of solution to help the learningprocess for teachers, lecturers, or students. In this research we use the sequential search algorithm searchingprocess in learning system of human’s heart which is one of the search methods to facilitate text searches of theinformation that required by the user. This system gives information about the material that is related to the heartorgan, i.e, heart anatomy, heart physiology, and heart pathology. The testing systems that used in this applicationis Black Box method. Black Box Testing is focuses on the functional requirements of the software. Black BoxTesting is used for testing the system in order to know if the system work well.Keyword: Black Box Testing; Heart; Sequential Search; Technology.
Penelusuran Bug Program Simulasi Pencetakan Transkrip SIAKAD Unila dengan Metode Whitebox dan Solusi Menggunakan Variabel Memori Dwi Sakethi; Wamiliana Wamiliana; Wisnu Wardhana; Alifah Zahroh
Jurnal Komputasi Vol. 3 No. 1 (2015)
Publisher : Jurusan Ilmu Komputer Fakultas MIPA Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v3i1.978

Abstract

AbstractIn tracking of SIAKAD transcript, there was found a bug, that is the arrangement of the lesson position at the tenth till fifteenth semester located between first and second semester. Process tracking bug did in simulation program. In this research, carried out a development of the original program Siakad as simulation program that will be analyzed, to find out where is bug in the system. Development this program using PHP and MySQL database software. Tracking bug using whitebox testing method, it can be determined whether there is a bug in the procedural structure of the program or just on the operational function of the system itself. Bugs can be repaired by adding some changes on source code of the program. The changes are determination of new variables as memory variables and application of Bubble sort method on sorting proccess. The result shows bugs on the program is fixed. Keywords: Bubble sort, Bug, MySQL, PHP, Siakad, Whitebox
Penggabungan Dua ISP Guna Menstabilkan Koneksi Internet Dengan Metode Failover Didik Kurniawan; Wisnu wardhana; Nikko Agustino Ito
Jurnal Komputasi Vol. 4 No. 2 (2016)
Publisher : Jurusan Ilmu Komputer Fakultas MIPA Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v4i2.1210

Abstract

This early (nowadays), Internet Service Provider has been growing rapidly. To choose Internet Service Provider is extremely difficult because every Internet Service Provider has its advantages and disadvantages as well. Some methods such as Failover, Per Connection Classifier, Round Robin, and several others are able to combine between an internet connection from several multiple Internet Service Provider. Failover method is being useful for separating between the Internet Service Provider that will be a priority connection and the backup connection. In this application two or more Internet Service Providers cooperate together to keep the Internet connection remain stable. By using the application, it is no longer difficult to handle the problem of bad Internet Service Provider.
Bandwidth Shaping Menggunakan Proxy Squid Dwi Yatmoko Siambudi; wamiliana .; wisnu wardhana
Jurnal Komputasi Vol. 6 No. 1 (2018)
Publisher : Jurusan Ilmu Komputer Fakultas MIPA Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v6i1.1644

Abstract

The development of technology is very fast. Nowadays, technology has influenced human life. For most people, handphone and computer now become a necessity. Computer can give  information as we need with internet, but internet can cause a negative influence as well. In this research, we build an web base application which can block a negative-influence sites using Squid Proxy. Squid is a daemon that used as a proxy server and web cache. It can work as a connection sharing, filtering and caching. The web which domain block is successfully built which can create a bandwidth share and domain block web base application.
Effects of Rudder Position on the Ship Maneuvering Wisnu Wardhana; Imam Rochani; Benedictus Johanes Belalawe
International Journal of Offshore and Coastal Engineering Vol. 1 No. 1 (2017)
Publisher : Department of Ocean Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j2580-0914.v1i1.2870

Abstract

The performance of the rudder on a ship affects the ability of the vessel to maneuver effectively. In the current study evaluation is made on the rudder mounted on a twin screw fast boat with LOA of 59.2 m and Vs of 28 knots. This paper discusses the forces acting on the rudder and the velocity distribution of the fluid flow due to the position of the rudder in 3 variations (X/L = 80%, X/L = 100%, X/L = 120%). The analysis undertaken in this study is based on CFD method. Analysis of the effectiveness of the mane­uvers is performed by considering the magnitudes of the drag force and value of the lift force generated by the rudder, as well as a decrease in the fluid velocity u on the rudder area. On the variation of X/L = 120% with rudder angle 35°, the rudder produces a the largest value of total drag force and lift force, in the order of each 761 kN and 1,230 kN. The decrease of fluid velocity u most significan­tly also occurs in variation X/L = 120%, with a value of 10.0 m/s on the portside rudder and 9.3 m/s on the starboard rudder.
Lazy Wave Flexible Riser Dynamic Responses Analysis with Variation of SPM Offset from PLEM on Operation Condition Muhammad Naufal Hawari; Wisnu Wardhana; Murdjito Murdjito
International Journal of Offshore and Coastal Engineering Vol. 9 No. 1 (2025)
Publisher : Department of Ocean Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j225800914.v9i1.4503

Abstract

The increasing use of flexible risers in oil and gas exploration projects is a big challenge for engineers to design better riser systems to improve further the efficiency and safety of exploration and production activities in offshore oil and gas fields. SPM is often used as an offloading facility connecting FSO or FPSO as recipients of oil and gas products from subsea templates or wells. Under operating conditions, SPM can move freely following the movement of environmental loads. Drifting or changes in position due to the load on the SPM can threaten the riser response, whereas the riser response can be different whether the SPM is moving or drifting in its stress or bending response. The results in this study also contain the effect of this phenomenon on their fatigue life. As a result, the difference in riser response due to the distance from SPM to PLEM is that the farther the distance from SPM from PLEM, the greater the stress response and bending radius it has. Fatigue life also follows the same results, where the farthest distance from the SPM configuration to PLEM has the lowest fatigue life compared to the closest distance from the SPM to PLEM configuration, with the highest fatigue life at 128.31 years and the lowest at 124.78 years.
Co-Authors . Wamiliana Ade Hardiyanti Adelia Viviany Suwarsono Aldri Frinaldi Alifah Zahroh Arum Albuntana Arya Widyawan Benedictus Johanes Belalawe Dear Lova Sukoco Dian Hendrayanti Didik Kurniawan Dwi Sakethi Dwi Yatmoko Siambudi Erwin Nurdin Fahmi Hidayat Fahmi Kharismaldie Imam Gunaro Imam Rochani Irfan Syauqi Beik KUSWATA KARTAWINATA Maemonah, Maemonah Muhammad Naufal Hawari Murdjito Murdjito Mutiara Kejora Timur Nikko Agustino Ito Niko Surya Atmaja Nining Betawati Prihantini Nining Prihantini Nisyawati Nisyawati Nurul Fadhillah Putri Khairunnisa Putu Pramana Suarjaya Rahmah Rahmah Rhisky Sambayu Rochani, Imam Ronny Rianto Shade Rahmawati Winny Rachmayanti Yasman Yasman Yuni Ariyani Zahra Aisyiyah Rahayu