Dissipation of Solitary Wave Due To Mangrove Forest: A Numerical Study by Using Non-Dispersive Wave Model

Adytia, Didit; Husrin, Semeidi; Latifah, Arnida Lailatul

doi:10.14710/ik.ijms.24.1.41-50

Akses terbuka Jurnal SINTA 1

Dissipation of Solitary Wave Due To Mangrove Forest: A Numerical Study by Using Non-Dispersive Wave Model

ILMU KELAUTAN: Indonesian Journal of Marine Sciences · Vol. 24 No. 1 (2019) · hlm. 41–50

DOI: 10.14710/ik.ijms.24.1.41-50
ISSN: 2406-7598, 0853-7291
Terbit: 2019-02-28
Penerbit: Marine Science Department Diponegoro University
Bahasa: eng
Lisensi: creativecommons.org/licenses/by-sa/4.0

Abstrak

In this paper, we study a dissipation of solitary wave due to mangrove forest by using numerical simulation. Here, the solitary wave is chosen to represent tsunami wave form. To simulate the wave dynamic, we use the non-dispersive Nonlinear Shallow Water Equations (NSWE). The model is implemented numerically by using finite volume method in a momentum conservative staggered grid. By using the proposed numerical scheme, the numerical code is able to simulate solitary wave breaking phenomenon. Wave dissipation due to mangrove forest is modelled as bottom roughness with an approximate value of manning roughness, which is derived from the classical Morisson’s formula. To test the modelled dissipation by mangrove forest, we reconstruct a physical experiment in hydrodynamic laboratory where a solitary wave propagates above a sloping bottom, which has a parameterized mangrove in the shallower part. Two cases are performed to test the performance of the numerical implementation, i.e. the non-breaking and breaking solitary waves. Results of simulation agree quite well with the measurement data. The results of simulation are also analyzed quantitatively by calculating errors as well as correlation with the measurement data. Moreover, to investigate effects of wave steepness on solitary wave, to the reduction of wave energy, we perform numerical investigation. Various solitary waves with different wave steepness are simulated to see their effects on amplitude and energy reduction due to mangrove forest.

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Ministry of Marine Affairs and Fisheries
Telkom University
National Research and Innovation Agency
Kyoto University
Indonesian Institute of Sciences
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Rekan penulis	Organisasi	Artikel bersama
Ulung Jantama Wisha	Ministry of Marine Affairs and Fisheries	2
Syam Budi Iryanto	Indonesian Institute of Sciences	1
Inna Syafarina	National Research and Innovation Agency	1
Taufiq Wirahman	Kyoto University	1
Joko Prihantono	Ministry of Marine Affairs and Fisheries	1
Gegar Sapta Prasetyo	Afiliasi tidak diketahui	1
Nasir Sudirman	Afiliasi tidak diketahui	1

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Sumber metadata: OAI-PMH (metadata jurnal) http://ejournal.undip.ac.id/index.php/ijms/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.

Metadata asli (oai_dc)

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	<dc:title xml:lang="en-US">Dissipation of Solitary Wave Due To Mangrove Forest:  A Numerical Study by Using Non-Dispersive Wave Model</dc:title>
	<dc:creator>Adytia, Didit</dc:creator>
	<dc:creator>Husrin, Semeidi</dc:creator>
	<dc:creator>Latifah, Arnida Lailatul</dc:creator>
	<dc:subject xml:lang="en-US">tsunami wave; mangrove; shallow water equations; wave dissipation; finite volume; staggered grid.</dc:subject>
	<dc:description xml:lang="en-US">In this paper, we study a dissipation of solitary wave due to mangrove forest by using numerical simulation. Here, the solitary wave is chosen to represent tsunami wave form.  To simulate the wave dynamic, we use the non-dispersive Nonlinear Shallow Water Equations (NSWE). The model is implemented numerically by using finite volume method in a momentum conservative staggered grid. By using the proposed numerical scheme, the numerical code is able to simulate solitary wave breaking phenomenon. Wave dissipation due to mangrove forest is modelled as bottom roughness with an approximate value of manning roughness, which is derived from the classical Morisson’s formula. To test the modelled dissipation by mangrove forest, we reconstruct a physical experiment in hydrodynamic laboratory where a solitary wave propagates above a sloping bottom, which has a parameterized mangrove in the shallower part.  Two cases are performed to test the performance of the numerical implementation, i.e. the non-breaking and breaking solitary waves. Results of simulation agree quite well with the measurement data. The results of simulation are also analyzed quantitatively by calculating errors as well as correlation with the measurement data. Moreover, to investigate effects of wave steepness on solitary wave, to the reduction of wave energy, we perform numerical investigation. Various solitary waves with different wave steepness are simulated to see their effects on amplitude and energy reduction due to mangrove forest. </dc:description>
	<dc:publisher xml:lang="en-US">Marine Science Department Diponegoro University</dc:publisher>
	<dc:contributor xml:lang="en-US"></dc:contributor>
	<dc:date>2019-02-28</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
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	<dc:identifier>https://ejournal.undip.ac.id/index.php/ijms/article/view/20320</dc:identifier>
	<dc:identifier>10.14710/ik.ijms.24.1.41-50</dc:identifier>
	<dc:source xml:lang="en-US">ILMU KELAUTAN: Indonesian Journal of Marine Sciences; Vol 24, No 1 (2019): Ilmu Kelautan; 41-50</dc:source>
	<dc:source>2406-7598</dc:source>
	<dc:source>0853-7291</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://ejournal.undip.ac.id/index.php/ijms/article/view/20320/pdf</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2019 ILMU KELAUTAN: Indonesian Journal of Marine Sciences</dc:rights>
	<dc:rights xml:lang="en-US">http://creativecommons.org/licenses/by-sa/4.0</dc:rights>
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