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All Journal Elkawnie Teras Jurnal The Jurnal Arsip Rekayasa Sipil dan Perencanaan (Journal of Archive in Civil Engineering and Planning) Martabe : Jurnal Pengabdian Kepada Masyarakat JURNAL TEKNIK HIDRAULIK International Journal of Disaster Management Jurnal Rekayasa elektrika Jurnal Teknik Sipil Journal of The Civil Engineering Student
Syamsidik, Syamsidik
Jurusan Teknik Sipil, Fakultas Teknik, Universitas Syiah Kuala Tsunami And Disaster Mitigation Research Center (TDMRC), Universitas Syiah Kuala
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Journal : International Journal of Disaster Management

 1 
A New Multi-Purposes Flume Experiments Facility: Challenges and Opportunity for Tsunami and Coastal Engineering in Indonesia Syamsidik, Syamsidik; Benazir, Benazir; Pratama, Nadri; Arifullah, Arifullah; Fatimah, Eldina; Nazaruddin, Nazaruddin; Tarmizi, Tarmizi; Ibrahim, Ibrahim; Zein, Ikramullah
International Journal of Disaster Management Vol 6, No 3 (2023)
Publisher : TDMRC, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/ijdm.v6i3.34568

Abstract

Physical modelling for tsunami engineering is rather difficult to conduct due to lack of comprehensive and advanced facilities to do so. Large number of simulations of the tsunami impacts were performed numerically. In early 2023, a new advanced tsunami flume facility has been completed at Tsunami and Disaster Mitigation Research Center (TDMRC) of Universitas Syiah Kuala. This flume has 60 m in length, 2.5 m in width, and 1.7 m in height. The flume is also equipped with a number of wave, pressure, and current sensors, Particle Image Velocimetery (PIV) Camera, and a laser bed profiler. Beside of the tsunami generator, this flume is also capable to generate wind-driven waves (with two large wind turbines), regular and irregular waves, and currents. The flume provides new opportunities as well as challenges for tsunami scientists and engineers in Indonesia to collaborate and to perform novel researches in tsunami mitigation. This article is aimed at elucidating technical challenges and opportunities in performing tsunami physical models with the large tsunami flume. we performed a series numerical models using DualSPHysic. The results show that composite beach slopes inside the flume has succesfully mimic shallow coast effects that later deformed the incoming tsunami waves into breaking, bores, and runup. Challenges were identified in absorbing tsunami waves with more than one incoming wave to the observation area. In the future, this facility will be accessible for scientists and engineers to collaborate in tsunami science and engineering researches.
Influence of Tides Level on Tsunami Hydrodynamic in Banda Aceh, Indonesia Tursina, Tursina; Syamsidik, Syamsidik; Kato, Shigeru; Afifuddin, Mochammad
International Journal of Disaster Management Vol 6, No 3 (2023)
Publisher : TDMRC, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/ijdm.v6i2.34538

Abstract

Tides are the dominant physical process in the coastal environment. During high tide, water from the ocean flows through the bays and estuaries, causing inundation and raising water elevation. When low tides condition, the water level becomes lower than average and recedes into the sea. This process continues for a long day. Tsunami waves will interact with all coastal processes and affect the hydrodynamic forces of tsunami waves. In the deep sea, tides do not significantly influence wave propagation. However, in the shallow water zone, tides can change tsunami heights and affect the extent of inundation. Tides are usually ignored in tsunami hazard analysis. This would be an underestimate of the tsunami hazard calculation. This study aims to investigate tides' influence on tsunami runup hydrodynamics in Banda Aceh. The potential tsunami from an earthquake in the Aceh-Andaman subduction zone is modeled using COMCOT (Cornell Multi Grid Coupled Tsunami Model) with magnitudes Mw 9.2, 8.6, and 8.2. We simulated the response of the three earthquake magnitudes on two different types of high and low tides. Several virtual gauges were placed to observe the tsunami height. Virtual gauges were also used to observe the tsunami arrival time at four tsunami escape buildings in Banda Aceh: the Ulee Lheue escape building, the Deah Glumpang escape building, the Alue Deah Teungoh escape building, and the Lambung escape building. The results show that the highest tide amplifies the tsunami inundation will be extended to about 30% farther inland compared to the condition if the tsunami occur during mean sea level condition.The interactions between tsunami and high tide significantly shorten tsunami arrival time on small magnitude tsunamis and are not significant in a large tsunami. This information is useful for enhancing early warning systems and evacuation procedures that can be adjusted to the tidal conditions in the study area.
Spatio-Temporal Analysis of Ground Movement Using Unmanned Aerial Vehicle Photogrammetry in Gampong Lamkleng, Aceh Besar Amalia, Nabila; Syamsidik, Syamsidik; Ismail, Nazli
International Journal of Disaster Management Vol 6, No 1 (2023)
Publisher : TDMRC, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/ijdm.v6i1.31770

Abstract

Ground movement is one of the most frequent disasters causing major damages in Indonesia. Unmanned Aerial Vehicle (UAV) has been widely used as a rapid observation method to obtain detailed characterization of ground movement. Often, active landslide area is difficult to access. This hinders close monitoring and observations of the ground movement. This study aims to demonstrate the use of UAV as tools for monitoring and observations on active ground movement area and to validate the results. For this purpose, the study was conducted at Gampong Lamkleng, Aceh Besar-Indonesia using spatio-temporal analysis by UAV photogrammetry. The UAV was chosen because it is easy to use, practical, and safe for landslide area that are relatively small and difficult to reach. Aerial photographs were processed using the Agisoft Metashape software in modeling and analyzed using Quantum GIS (QGIS) and ArcGis. The observation results show that the largest ground movement occurred in January 20 to 23, 2021 which was related to precipitation rates measured at a nearby rainfall station. The movement volume was 1,411.063 m3 and a rate of ground movement reaching 0.69 m/day due to heavy rain. The estimated value of losses is IDR 1,055,854,000. The UAV images analysis were compared to actual ground elevation measured using Real-Time Kinematic (RTK). The validation show that the accuracy based on comparison between photogrammetric and RTK measurement was at agreeable rate (99%). Otherwise, the accuracy performed on 19 check point using Root Mean Square Error analysis found that the accuracy was still very low. The low RMSE value is due to the georeferencing process using the Ground Control Point not being carried out.
Level of Coastal Protection Damage and Priority of Handling (Case Study of Alue Naga Neuheun, Aceh Besar, Indonesia) Mauluddin, Syahrul; Meilianda, Ella; Syamsidik, Syamsidik
International Journal of Disaster Management Vol 2, No 1 (2019)
Publisher : TDMRC, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/ijdm.v2i1.14138

Abstract

The massive tsunami of December 26, 2004 has had a huge impact on the life of the coastal region. The effects of the tsunami caused damage to occupation settlements, loss of waterside land and destruction of marine biota ecosystems. The coastal region of Aceh Province in Indonesia is the area that has the worst impact followed by the State of Malaysia, Thailand and as a coastal area of India. As a result of a large amount of coastal land experiencing a loss of land mass, erosion is very significant. As a step towards handling coastal areas from greater erosion prevention, the Government of Indonesia in 2005 adopted a policy of handling rehabilitation and reconstruction through the ANTERP (Aceh Nias Tsunami and Earthquake Response Program) program under the BRR (Rehabilitation and Reconstruction Agency) in collaboration with Ministry of Public Work. One of the steps to handling erosion is to protect the coast using the hard structure method such as the construction of a revetment and jetty made from rock armor. This study aims to assess the level of damage and priority of handling of coastal protective structures that have been built in 2009, 2016 and how changes in shoreline occur on the beach location of Alue Naga - Neuheun, which is a coastal area that was greatly affected by the tsunami. Assessments were carried out in three different coastal structures, namely CS-1 locations in the Alue Naga area, CS-2, Lambada Lhok coastal area and CS-3 Neuheun beach area. Guidelines for assessing structure damage and changes in shoreline in the study using the Ministry of Public Work Regulation No. 08/SE/M/2010. The rate of change in shoreline is obtained through computational calculations of the DSAS (Digital Shoreline Analysis System) program using the EPR (End Point Rate) method and NSM for change distance (Net Shoreline Movement).
Co-Authors . Azmeri, . Abdullah, Nora Agustina Yusuf, Myna AGUSTINA, SYLVIA Alfaisal Alfaisal Amalia, Nabila Aminullah Hidayat Amir Fauzi Andika Pratama Putra Andre, Sofyan Andrean Vesalius Hasiholan Simanjuntak Annaba Kamil, Puspita Arifullah, Arifullah Benazir Benazir Benazir, Benazir Chresky Nofelri Karundeng Cut Rizky Ananda Darsina, Sri Djati Cipto Kuncoro Eldina Fatimah Ella Meilianda Fauziah Fauziah Ibrahim Ibrahim Idris, Yunita Inna Nurana Ismiatul Ramadhian Nur Kadri Ramadhan Karundeng, Chresky Nofelri Kato, Shigeru Mardianto, Mhd Masimin Masimin Masimin Masimin Masimin Masimin Masimin Masimin Mauluddin, Syahrul Mochammad Afifuddin Muksin Umar Muslem Muslem, Muslem N. Nazaruddin Nazli Ismail Nora Abdullah Pratama, Nadri Ramadhan, Kadri Ridha, Syahrul Rizka Puspitasari, Rizka Saumi Syahreza Setia Budi Setia Budi Sherlya Wahyuni Sri Darsina Tarmizi Tarmizi Tursina Tursina Yunita Idris Yusran Asnawi Zahrina Fakhrana, Siti Zein, Ikramullah