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Journal : Makara Journal of Technology

3D FDTD Method for Modeling of Seismo-Electromagnetics Disturbance on Crustal Earth Shabrina, Nabila Husna; Hobara, Yasuhide; Munir, Achmad
Makara Journal of Technology Vol. 23, No. 2
Publisher : UI Scholars Hub

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Abstract

The paper deals with the modelling of seismo-electromagnetics disturbance on the crustal earth by use of threedimensional (3D) finite-difference time-domain (FDTD) method. The model is built up by discretizing the frontier geographical region between Java Island and Sumatra Island in a cylindrical coordinate system-based 3D object. The proposed method is applied to compute and analyze electromagnetics (EM) fields of the observed very low frequency (VLF) wave used for the investigation. Boundary condition of uniaxial perfectly matched layer (UPML) are applied surrounding the area of computation for truncating the object of simulation. The investigation are focused on the propagation time of observed VLF wave and its amplitude variation between the observation point and disturbance pulse. The result shows that the propagation time is significantly affected by the distance of observation point and the permittivity of propagation medium. Meanwhile, the addition pulse associated with the earthquake influences the amplitude of observed VLF wave instead of its frequency.
Co-Authors -, Dedi Adit Kurniawan Aditia Nur Bakti Agus Dwi Prasetyo Aji, Galih Mustiko Anugerah Solida Argya Harish Arief Budi Santiko, Arief Budi Asep Najmurrokhman Asthan, Rheyuniarto Sahlendar Atmosoemarto, Mulyadi Bambang Kurniadi, Bambang Bambang Setia Nugroho Baso Maruddani Biru Tutur Ranum Chairunnisa Chairunnisa Chairunnisa Chairunnisa Corio, Dean Dean Corio Dedi - Deny Hamdani Dessy Eka Rahayu, Ni Wayan Dida Tuhu Putranto Doddy Abdassah Dwi Mandaris Endon Bharata Erdilla Indriyani Folin Oktafiani, Folin Gerry Sasanti Nirmala H, Ali Fikri Bustanul Hardi Nusantara Hardi Nusantara Harish, Argya Hartuti Mistialustina Haryo Dwi Prananto Heroe Wijanto Hobara, Yasuhide Iman Suswanto Joko Suryana Kusmadi, Kusmadi Kusnandar Kusnandar Larasati, Monica Levy Olivia Nur Maulana Randa Maulana, Muhammad Farhan Mia Maria Ulfah Mia Maria Ulfah Mochamad Yunus Mochammad Yunus, Mochammad Mohammad Ridwan Effendi Muassomah Muassomah Ni Wayan Dessy Eka Rahayu Nusantara, Hardi NUSANTARA, HARDI Nyankori, J. C.O. Purwiyanto Purwiyanto Radianto, Denny Oktavina Rahmadani, Novi Ramadhani, Uri Arta Randa, Maulana Retno Budi Lestari Rheyuniarto Sahlendar Asthan Rheyuniarto Sahlendar Asthan Rheyuniarto Sahlendar Asthan Rijadi, Bloko Budi Risky, Februarina Risma Safitri Roy B. V. B. Simorangkir Rozan, Hafiz Safitri, Risma Sapa, Michael Milon Saputra, Iqbal Dwi Selassie, H. M.G. Shabrina, Nabila Husna Shita Fitria Nurjihan Sudjati Rachmat Sugihartono Sugihartono Sulaeman, Yaya Sulistyaningsih Sulistyaningsih Sunubroto Sunubroto Sureshwaran, S. Taryana, Yana Taufan Marhaendrajana, Taufan Teguh Firmansyah ULFAH, MIA MARIA Ummah, Vina Rohmatul Waryani, Waryani Wenda Adi Irawan Yamato, Yamato Yana Taryana Yana Taryana Yaya Sulaeman Yuli Arif Tribudi Yunus Arifien Zulfi Zulfi Zulfi Zulfi