Results 11 to 20 of about 5,947,904 (353)

DG-GMsFEM for Problems in Perforated Domains with Non-Homogeneous Boundary Conditions

open access: yesComputation, 2021
Problems in perforated media are complex and require high resolution grid construction to capture complex irregular perforation boundaries leading to the large discrete system of equations. In this paper, we develop a multiscale model reduction technique
Valentin Alekseev   +3 more
doaj   +1 more source

ANALISIS LITERASI DIGITAL GURU MATEMATIKA MTSN 1 KUTAI KARTANEGARA

open access: yesJurnal Magister Pendidikan Matematika, 2023
This study aims to determine the digital literacy of MTsN 1 Kutai Kartanegara mathematics teachers in preparing questions in mathematics learning. This research is a descriptive qualitative research. The subjects of this research are mathematics teachers
Zainuddin Untu   +2 more
doaj   +1 more source

Model order reduction for gas and energy networks [PDF]

open access: yesJournal of Mathematics in Industry, 2020
To counter the volatile nature of renewable energy sources, gas networks take a vital role. But, to ensure fulfillment of contracts under these circumstances, a vast number of possible scenarios, incorporating uncertain supply and demand, has to be ...
Christian Himpe, S. Grundel, P. Benner
semanticscholar   +1 more source

Generalized Multiscale Finite Element Method for Elastic Wave Propagation in the Frequency Domain

open access: yesComputation, 2020
In this work, we consider elastic wave propagation in fractured media. The mathematical model is described by the Helmholtz problem related to wave propagation with specific interface conditions (Linear Slip Model, LSM) on the fracture in the frequency ...
Uygulana Gavrilieva   +2 more
doaj   +1 more source

Analysis of Mathematics Connection Ability in Solving Algebra Problems at VIII Grade Junior High School

open access: yesAl Khawarizmi, 2022
This study aims to determine the mathematics connection ability of VIII Grade students in solving algebraic questions in one of the public junior high schools in Makassar City. This research was qualitative.
Irwansyah Rahman   +2 more
doaj   +1 more source

Multiscale Model Reduction of the Unsaturated Flow Problem in Heterogeneous Porous Media with Rough Surface Topography

open access: yesMathematics, 2020
In this paper, we consider unsaturated filtration in heterogeneous porous media with rough surface topography. The surface topography plays an important role in determining the flow process and includes multiscale features.
Denis Spiridonov   +4 more
doaj   +1 more source

Mixed Generalized Multiscale Finite Element Method for a Simplified Magnetohydrodynamics Problem in Perforated Domains

open access: yesComputation, 2020
In this paper, we consider a coupled system of equations that describes simplified magnetohydrodynamics (MHD) problem in perforated domains. We construct a fine grid that resolves the perforations on the grid level in order to use a traditional ...
Valentin Alekseev   +4 more
doaj   +1 more source

Pelaksanaan Pendidikan Transformatif dalam Menghasilkan Pendidik Matematika yang Islami, Profesional, dan Kompetitif

open access: yesArithmetic, 2021
This study aims to analyze the implementation of transformative education in the Mathematics Education (Tadris Matematika) Study Program in producing Islamic, professional, and competitive mathematics educators. The sample in this research is Mathematics
Dini Palupi Putri, Fitmawati Fitmawati
doaj   +1 more source

The Students' Thinking Level in Solving Mathematics Problems Based on SOLO Taxonomy as Viewed from the Mathematics Anxiety

open access: yesTarbawi, 2021
The SOLO (Structure of Observed Learning Outcome) taxonomy is an educational taxonomy suitable for organizing various types of learning. The SOLO taxonomy categorizes students' thinking into five levels: pre-structural, uni-structural, multi-structural,
Ratri Candra Hastari   +2 more
doaj   +1 more source

Application of the Mathematics Curriculum in Intan Cendekia Islamic Kindergarten at Mataram City

open access: yesJTAM (Jurnal Teori dan Aplikasi Matematika), 2021
The purpose of this study was to describe the application of the Mathematics Curriculum at Intan Cendekia Islamic Kindergarten in Mataram City. The research utilized descriptive qualitative research and three teachers and one principal as research ...
Lukman Lukman   +3 more
doaj   +1 more source

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