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All Journal EKSAKTA : Jurnal Penelitian dan Pembelajaran MIPA
Irma Novalinda Nasution
Program Studi Pendidikan Fisika, Universitas Graha Nusantara
Agriculture, Biological Sciences & Forestry Education

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DUAL RECIPROCITY BOUNDARY ELEMENT METHOD (DRBEM) DENGAN PREDIKTOR-KOREKTOR UNTUK MASALAH INFILTRASI STASIONER PADA SALURAN DENGAN LAPISAN IMPERMEABEL DENGAN ROOT WATER UPTAKE Irma Novalinda Nasution
Eksakta : Jurnal Penelitian dan Pembelajaran MIPA Vol 4, No 1 (2019): Eksakta : Jurnal Penelitian dan Pembelajaran MIPA
Publisher : Fakultas Keguruan Dan Ilmu Pendidikan, UM-Tapsel

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (252.41 KB) | DOI: 10.31604/eksakta.v4i1.19-27

Abstract

This study  aims to discussed  about Dual Reciprocity Boundary Element Method (DRBEM) with a predictor-corrector for steady infiltration problems with impermeabel layer with root water uptake in homogeneous soils. Steady infiltration in homogeneous soils is governed by Richard equation. This equation is transformed using a set of transformation including Khirchoff, dimensionless variabels and dimensionless parameters into a type of modified Helmholtz equation. Furthermore with DRBEM, numerical solution of modified Helmholtz equation obtained. The proposed method is tested on problem involved infiltration from rectangular and trapezoidal channels with impermeabel layer with root water uptake. Keyword : infiltration, root water uptake, modified Helmholtz equation, Richard equation, DRBEM
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