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3-D Modeling of Layered Earth Structure in the Geothermal Systems Using Time Domain Electromagnetics (TDEM) Method

Aji Hapsoro C.a, Srigutomo W.a, Purqon A.a, Warsaa

a Physics of Earth and Complex System, Faculty of Mathematics and Natural Science, Institut Teknologi Bandung, Indonesia

[vc_row][vc_column][vc_row_inner][vc_column_inner][vc_separator css=”.vc_custom_1624529070653{padding-top: 30px !important;padding-bottom: 30px !important;}”][/vc_column_inner][/vc_row_inner][vc_row_inner layout=”boxed”][vc_column_inner width=”3/4″ css=”.vc_custom_1624695412187{border-right-width: 1px !important;border-right-color: #dddddd !important;border-right-style: solid !important;border-radius: 1px !important;}”][vc_empty_space][megatron_heading title=”Abstract” size=”size-sm” text_align=”text-left”][vc_column_text]© 2019 IOP Publishing Ltd. All rights reserved.3-D TDEM modeling has been successfully conducted to map the structure of layered Earth based on the value of resistivity. 3-D analysis required to observe propagation and interaction of electromagnetic fields with the material below the Earth’s surface in the z-axis direction. The problem in electromagnetic modeling for geophysical exploration activities is discretizing of medium for electromagnetic wave propagation. In this modeling use Finite Difference Time Domain (FDTD) method because it can solve electromagnetic field interaction problem and to analyze the transient electromagnetic method compared to the frequency domain. The first step in this method is positioning of the cell to the lines of the magnetic fields that surround normal electric field line, so that this condition is suitable with the components of curl operation of Ampere’s law. Conclusion of this modeling results indication that utilizing TDEM method in the exploration activities is very essential and useful to map the resistivity distribution in the layered Earth. The resistivity is one of physical properties that can describe the structure of the layered Earth to determine the potential reservoir of geothermal systems as the renewable energy.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Author keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Electric field lines,Electromagnetic modeling,Field interactions,Geophysical exploration,Potential reservoir,Resistivity distributions,Time domain electromagnetics,Transient electromagnetic methods[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Indexed keywords” size=”size-sm” text_align=”text-left”][vc_column_text][/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Funding details” size=”size-sm” text_align=”text-left”][vc_column_text][/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”DOI” size=”size-sm” text_align=”text-left”][vc_column_text]https://doi.org/10.1088/1755-1315/318/1/012015[/vc_column_text][/vc_column_inner][vc_column_inner width=”1/4″][vc_column_text]Widget Plumx[/vc_column_text][/vc_column_inner][/vc_row_inner][/vc_column][/vc_row][vc_row][vc_column][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][/vc_column][/vc_row]