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ITS » Master Theses » Matematika - S2 Posted by dv@its.ac.id at 28/04/2016 10:28:13 • 1014 Views
IMPLEMENTASI METODE MESHLESS LOCAL PETROV GALERKIN
MLPG UNTUK PENENTUAN LOKASI SUMBER PENCEMAR
DI SUNGAI BRANTAS
THE IMPLEMENTATION OF MESHLESS LOCAL PETROV
GALERKIN MLPG METHOD FOR DETERMINE POLLUTANT
SOURCES IN BRANTAS RIVER
Author : ELIYAN, MIRANDA ( 1212201207 )
ABSTRAK
Pencemaran sungai sering terjadi dan dapat mengancam kehidupan
organisme air dan manusia. Sungai yang tercemar membawa dampak negatif bagi
masyarakat di kawasan Sungai Brantas. Polutan yang masuk ke sungai dapat
berasal dari limbah industri dan non-industri. Berdasarkan permasalahan tersebut
penulis melakukan penelitian dan menganalisis lokasi sumber pencemar melalui
pendekatan secara matematis. Untuk menemukan lokasi sumber pencemar
tidaklah mudah dengan menerapkan metode Meshless Local Petrov Galerkin
MLPG dapat ditentukan jarak lokasi sumber pencemar dari titik pantau Perum
Jasa Tirta. Metode MLPG ini tidak menggunakan grid sehingga dapat digunakan
untuk domain yang tidak kontinyu atau bergerak. Lokasi sumber pencemar yang
diperoleh dari hasil simulasi yaitu pada posisi 700m sampai 1000m yang mana
pada posisi ini terjadi fluktuasi konsentrasi COD BOD DO dan TSS yang
semakin rendah. Hal ini mengindikasikan bahwa terjadi pencemaran tertinggi
pada posisi 700m sampai 1000m.
ABSTRACT
Pollution in the river often occur and can be threaten for aquatic organisms
and humans. Polluted river has negative impacts for people around of the Brantas
River. Pollutants entering into the river can be derived from industrial and nonindustrial.
Based on these problems the authors conducted a study and analyze
the location of pollutant sources by mathematical approach. To find the location
of the pollutant sources is not easy with applying the Meshless Local Petrov
Galerkin method MLPG we can determine the distance of the point source of
pollutant from sample point monitoring Perum Jasa Tirta. The MLPG method
does not use a grid that can be used for domains that are not continuous or move.
Pollutant source location obtained from the simulation results that the position of
700m to 1000m which is the fluctuation of the position of the concentration of
COD BOD DO and TSS were lower. This indicates that there is contamination in
the highest position of 700m to 1000m
Keywords:
MLPG; konsentrasi; pencemar
Subject
: Mathematical models
Contributor
Prof. Dr.Basuki Widodo, M.Sc.
Date Create
: 28/04/2016
Type
: Text
Format
: pdf
Language
: Indonesian
Identifier
: ITS-Master-12103160001265
Collection ID
: 12103160001265
Call Number
: RTMa 511.8 Eli i
Source Master Theses of Mathematics, RTMa 511.8 Eli i, 2014
Coverage ITS Community
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