Search

Your search keyword '"Aziz, A. Abdul"' showing total 6,202 results
Start Over Author "Aziz, A. Abdul"
6,202 results on '"Aziz, A. Abdul"'

1. Efficient, Accurate, and Robust Penalty-Projection Algorithm for Parameterized Stochastic Navier-Stokes Flow Problems

Author

Raveendran, Neethu Suma, Aziz, Md. Abdul, Ravindran, Sivaguru S., and Mohebujjaman, Muhammad

Subjects
Mathematics - Numerical Analysis
Abstract

This paper presents and analyzes a fast, robust, efficient, and optimally accurate fully discrete splitting algorithm for the Uncertainty Quantification (UQ) of parameterized Stochastic Navier-Stokes Equations (SNSEs) flow problems those occur in the convection-dominated regimes. The time-stepping algorithm is an implicit backward-Euler linearized method, grad-div and Ensemble Eddy Viscosity (EEV) regularized, and split using discrete Hodge decomposition. Additionally, the scheme's sub-problems are all designed to have different Right-Hand-Side (RHS) vectors but the same system matrix for all realizations at each time-step. The stability of the algorithm is rigorously proven, and it has been shown that appropriately large grad-div stabilization parameters vanish the splitting error. The proposed UQ algorithm is then combined with the Stochastic Collocation Methods (SCMs). Several numerical experiments are given to verify this superior scheme's predicted convergence rates and performance on benchmark problems for high expected Reynolds numbers ($Re$)., Comment: 24 pages, 4 figures. arXiv admin note: substantial text overlap with arXiv:2410.15510

Published
2025

2. Two Robust, Efficient, and optimally Accurate Algorithms for parameterized stochastic navier-stokes Flow Problems

Author

Raveendran, Neethu Suma, Aziz, Md Abdul, and Mohebujjaman, Muhammad

Subjects
Mathematics - Numerical Analysis, 65M12, 65M22, 65M60, 76W05
Abstract

This paper presents and analyzes two robust, efficient, and optimally accurate fully discrete finite element algorithms for computing the parameterized Navier-Stokes Equations (NSEs) flow ensemble. The timestepping algorithms are linearized, use the backward-Euler method for approximating the temporal derivative, and Ensemble Eddy Viscosity (EEV) regularized. The first algorithm is a coupled ensemble scheme, and the second algorithm is decoupled using projection splitting with grad-div stabilization. We proved the stability and convergence theorems for both algorithms. We have shown that for sufficiently large grad-div stabilization parameters, the outcomes of the projection scheme converge to the outcomes of the coupled scheme. We then combine the Stochastic Collocation Methods (SCMs) with the proposed two Uncertainty Quantification (UQ) algorithms. A series of numerical experiments are given to verify the predicted convergence rates and performance of the schemes on benchmark problems, which shows the superiority of the splitting algorithm., Comment: 27 pages, 4 figures. arXiv admin note: text overlap with arXiv:2310.17779

Published
2024

14. Technology Enabling the New Normal: How Students Respond to Classes

Author

Ullah, Muhammad Shariat, Khandakar, Md. Shariful Alam, Aziz, Muhammad Abdul, and Kee, Daisy Mui Hung

Abstract

This cross-sectional study investigates the online education intention of undergraduate students in the largest and oldest public university in Bangladesh during the COVID-19 pandemic. Under convenient sampling, 843 undergraduate students with rural and urban backgrounds participated in an online self-administered questionnaire. Partial least squares structural equation modelling (PLS-SEM) was employed to examine the hypothesized relationships. We found that students' online class intention is significantly influenced by their attitude towards online classes (AOC), perceived usefulness (PU), and facilitating conditions (FC). We further identified that external antecedents have significant indirect effects on the outcome variables. Our findings provide new insights and contribute to a learners' community on online classes during the COVID-19 pandemic. This study extends the technology acceptance model (TAM) and the theory of planned behavior (TPB) to depict the factors influencing undergraduate students' intention to attend online classes (IOC) during the COVID-19 pandemic.

Published
2022

18. Fixed Flowers

Author

Aziz, Md Abdul, Burdette, Brittany, and Mayer, John

Subjects
Mathematics - Dynamical Systems, 37F20 (Primary)
Abstract

Laminations are a combinatorial and topological way to study Julia sets. Laminations give information about the structure of parameter space of degree $d$ polynomials with connected Julia sets. We first study fixed point portraits in laminations and their respective global count. Then, we investigate the correspondence between locally unicritical laminations and locally maximally critical laminations with rotational polygons. The global correspondence has been shown in \cite{Burdette:2022}.

Published
2023

19. Instructional Leadership Practices and Teachers' Job Performance at High-Performing Vocational Schools in Indonesia: A Conceptual Framework

Author

Puruwita, Dita, Jamian, Leele Susana, and Aziz, Norazah Abdul

Abstract

Job performance has long been regarded as an important factor and has become a significant indicator in determining the efficiency and effectiveness of the performance of numerous organisations. This is because an organisation's ability to sustain its operation and achieve organisational goals would depend on the performance levels of its employees, including institutions in educational settings. This paper draws from an ongoing doctoral study that aims to investigate the relationship between instructional leadership practices and teachers' job performance at high-performing vocational schools in Indonesia. This paper also discussed the issues and concepts of both aforementioned variables in past studies that could assist in constructing the conceptual framework. Although past literature in global settings had postulated a potential relationship between instructional leadership practices and job performance, there is still limited research in the relevant topic when high-performing vocational schools is concerned. As to date, little empirical data was collected concerning the aforementioned relationship in local high-performing vocational schools in Indonesia. Therefore, researchers of this study embarked on the topic presenting problems and research gaps which eventually help to construct the conceptual framework of the two variables and their relationship.

Published
2022

20. Assessing the Impact of E-Commerce of a Footwear Vendor in Malaysia Through a Structural Equation Modeling Approach

Author

Wan Nuraini Fahana Wan Nasir, Muhamad Safiih Lola, Abdul Aziz K. Abdul Hamid, Sharifah Sakinah Syed Abd Mutalib, Ribed Vianneca W. Jubilee, Nurul Hila Zainuddin, and Akhmad Fauzy

Subjects
business models, digital technologies, entrepreneurial innovation, digital transformation, innovation management, Social Sciences
Abstract

Businesses are leveraging digital technology through e-commerce platforms as a strategy to continue operating following the movement control order (MCO). Online shopping, a subset of e-commerce platforms, allows consumers to browse, select, and purchase products using digital interfaces. Unfortunately, there is a lack of understanding of how this platform can impact customer behavior. Therefore, this study aims to develop new knowledge of customer behavior and assess the relationship between consumer behavior and e-service quality in online shopping to better understand the e-service quality provided by the vendor in Malaysia. A novel model of e-service quality and consumer behavior has been developed and investigated. Survey questionnaires were distributed and tested using structural equation modeling (SEM) to 200 customers who had experienced online shopping during COVID-19. The finding revealed that website design, security/privacy, and fulfillment are statistically correlated with e-service quality. However, customer service is not significantly correlated with e-service quality. Meanwhile, the quality of e-services is statistically significantly related to customer behavior. This study shows that e-service quality can provide good customer behavior post-COVID-19. Online shopping is therefore predicted to boost the economy of the country, but consumers also want high-quality e-services to continue. Retailers can improve their storefronts, engage customers, and promote responsible consumption.

Published
2024
Full Text
View/download PDF

25. “Buthowtruethatis, Idonotknow”: the influence of written sources on the medicinal use of fungi across the western borderlands of the former Soviet Union

Author

Prakofjewa, Julia, Sartori, Matteo, Kalle, Raivo, Łuczaj, Łukasz, Karbarz, Małgorzata, Mattalia, Giulia, Šarka, Povilas, Prūse, Baiba, Stryamets, Nataliya, Anegg, Martin, Kuznetsova, Natalia, Kolosova, Valeria, Belichenko, Olga, Aziz, Muhammad Abdul, Pieroni, Andrea, and Sõukand, Renata

Published
2024
Full Text
View/download PDF

34. Students' Failure to Understand Fraction Multiplication as Part of a Quantity

Author

Purnomo, Yoppy Wahyu, Pasri, Aziz, Tian Abdul, Shahrill, Masitah, and Prananto, Irfan Wahyu

Abstract

In the body of knowledge in mathematics education research, fractions are one of the researchers' concerns. The reason is because fractions are very difficult for students to understand. This study explores elementary school students' knowledge and obstacles in dealing with the multiplication of fractions. This study employs descriptive quantitative and qualitative approaches. Data were collected using the fractional knowledge test administered to 56 fifth-grade students and cognitive semi-structured interviews with six students depending on their test scores. The results of this study show that students' knowledge of fractions is restricted, with challenges interpreting context-based problems and the usage of "of" terms. Another finding shows that students' procedural knowledge is more dominant than conceptual knowledge. To develop students' knowledge of fractions, the portion of context-based learning must be an emphasis. The importance of developing research-based textbooks based on a suitable learning trajectory is highlighted.

Published
2022

37. Derivation of allometric equations and carbon content estimation in mangrove forests of Malaysia

Author

Waseem Razzaq Khan, Michele Giani, Stanislao Bevilacqua, Shoaib Ahmad Anees, Kaleem Mehmood, M. Nazre, Abdul Aziz Bin Abdul Haddy, Abang Norizan Bin Abang Median, Japanie Bin Bujang, Fatin-Norliyana Mohamad-Ismail, Johar Mohamed, Zaiton Samdin, Rambod Abiri, Tuan-Marina Tuan-Ibrahim, Lydia-Suzieana Mohammad, Hamid-Reza Naji, Seemab Akram, Hazandy Abdul-Hamid, and Timothy Dube

Subjects
Mangrove carbon sequestration, Allometric equations, Biomass estimation, Carbon stock valuation, Climate change mitigation, Environmental sciences, GE1-350
Abstract

Mangrove forests play a vital role in carbon sequestration and climate change mitigation, yet comprehensive data on their carbon storage capacity in Malaysia remain limited. This study investigated allometric relationships and carbon content in Malaysian mangrove forests, aiming to develop site species-specific allometric equations, determine carbon content in tree components, and assess total carbon stock. Research was conducted in four compartments of the Sg. Pulai Permanent Reserved Forest, representing a mixed-species mangrove stand. We measured 1403 trees across ten species, with Rhizophora apiculata identified as the dominant species. Using diameter at breast height (DBH) and tree height, we developed site species-specific allometric equations to estimate aboveground biomass. The total aboveground biomass ranged from 183.30 t ha⁻1 to 187.06 t ha⁻1 across the study area. We calculated the total carbon stock at 91.01 t C ha⁻1, incorporating measurements from trees below 5 cm in diameter, dead and downed wood, and litter. An economic valuation of carbon storage was conducted using two approaches: the social cost of carbon method estimated a value of USD 4054.76 per hectare. In contrast, the market price approach yielded USD 1064.34 per hectare. This study provides essential data for improving biomass and carbon stock estimation methods in Malaysian mangrove ecosystems. Our findings highlight these forests' economic and ecological importance, supporting their integration into climate change mitigation strategies and informing sustainable management and conservation policies for mangrove forests in Malaysia and similar regions.

Published
2025
Full Text
View/download PDF

38. Peer-Review Statements

Author

Aziz, Tian Abdul, Irwanto, Irwanto, Safitri, Dini, Lee, Chuan-Pei, Series Editor, Weimin, Huang, Series Editor, Aziz, Tian Abdul, editor, Irwanto, Irwanto, editor, and Safitri, Dini, editor

Published
2024
Full Text
View/download PDF

39. The complexity of some geometric proof systems

Author

Ghani, Abdul Aziz Saud Abdul

Abstract

In this Thesis we investigate proof systems based on Integer Linear Programming. These methods inspect the solution space of an unsatisfiable propositional formula and prove that this space contains no integral points. We begin by proving some size and depth lower bounds for a recent proof system, Stabbing Planes, and along the way introduce some novel methods for doing so. We then turn to the complexity of propositional contradictions generated uniformly from first order sentences, in Stabbing Planes and Sum-Of-Squares. We finish by investigating the complexity-theoretic impact of the choice of method of generating these propositional contradictions in Sherali-Adams.

Published
2023

40. Creating NS2A Binding Affinity in Dengue Virus Using Hybrid Method for Antiviral Prediction

Author

Danestiara, Venia Restreva, Marwondo, Aziz, Taufik Abdul, Ismayadi, Iqbal, Chan, Albert P. C., Series Editor, Hong, Wei-Chiang, Series Editor, Mellal, Mohamed Arezki, Series Editor, Narayanan, Ramadas, Series Editor, Nguyen, Quang Ngoc, Series Editor, Ong, Hwai Chyuan, Series Editor, Sachsenmeier, Peter, Series Editor, Sun, Zaicheng, Series Editor, Ullah, Sharif, Series Editor, Wu, Junwei, Series Editor, Zhang, Wei, Series Editor, Mardiansyah, Viddi, editor, and Prasetyo, Bagus Alit, editor

Published
2024
Full Text
View/download PDF

41. Interleukins in the Development and Progression of Breast Cancer

Author

Aziz, Md. Abdul, Jafrin, Sarah, Islam, Mohammad Safiqul, Kabir, Yearul, Rezaei, Nima, Series Editor, Aguiar, Rodrigo, Editorial Board Member, Ahmed, Atif A., Editorial Board Member, Ambrosio, Maria R., Editorial Board Member, Artac, Mehmet, Editorial Board Member, Augustine, Tanya N., Editorial Board Member, Bambauer, Rolf, Editorial Board Member, Bhat, Ajaz Ahmad, Editorial Board Member, Bertolaccini, Luca, Editorial Board Member, Bianchini, Chiara, Editorial Board Member, Cavic, Milena, Editorial Board Member, Chakrabarti, Sakti, Editorial Board Member, Cho, William C. S., Editorial Board Member, Czarnecka, Anna M., Editorial Board Member, Domingues, Cátia, Editorial Board Member, Eşkazan, A. Emre, Editorial Board Member, Fares, Jawad, Editorial Board Member, Fonseca Alves, Carlos E., Editorial Board Member, Fru, Pascaline, Editorial Board Member, Da Gama Duarte, Jessica, Editorial Board Member, García, Mónica C., Editorial Board Member, Gener, Melissa A.H., Editorial Board Member, Estrada Guadarrama, José Antonio, Editorial Board Member, Hargadon, Kristian M., Editorial Board Member, Holvoet, Paul, Editorial Board Member, Jurisic, Vladimir, Editorial Board Member, Kabir, Yearul, Editorial Board Member, Katsila, Theodora, Editorial Board Member, Kleeff, Jorg, Editorial Board Member, Liang, Chao, Editorial Board Member, Tan, Mei Lan, Editorial Board Member, Li, Weijie, Editorial Board Member, Prado López, Sonia, Editorial Board Member, Macha, Muzafar A., Editorial Board Member, Malara, Natalia, Editorial Board Member, Orhan, Adile, Editorial Board Member, Prado-Garcia, Heriberto, Editorial Board Member, Pérez-Velázquez, Judith, Editorial Board Member, Rashed, Wafaa M., Editorial Board Member, Sanguedolce, Francesca, Editorial Board Member, Sorrentino, Rosalinda, Editorial Board Member, Shubina, Irina Zh., Editorial Board Member, de Araujo, Heloisa Sobreiro Selistre, Editorial Board Member, Torres-Suárez, Ana Isabel, Editorial Board Member, Włodarczyk, Jakub, Editorial Board Member, Yeong, Joe Poh Sheng, Editorial Board Member, Toscano, Marta A., Editorial Board Member, Wong, Tak-Wah, Editorial Board Member, Yin, Jun, Editorial Board Member, and Yu, Bin, Editorial Board Member

Published
2024
Full Text
View/download PDF

42. The Prevalence of Musculoskeletal Disorders Symptoms and Ergonomics Risk Amongst Engineering, Science, and Technology Students

Author

Aziz, Fazilah Abdul, Hafidz, Nur Amirah Abdul, Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Mohd. Isa, Wan Hasbullah, editor, Khairuddin, Ismail Mohd., editor, Mohd. Razman, Mohd. Azraai, editor, Saruchi, Sarah 'Atifah, editor, Teh, Sze-Hong, editor, and Liu, Pengcheng, editor

Published
2024
Full Text
View/download PDF

43. Accelerating Electric Vehicle Adoption on Malaysian Islands: Lessons from Japan’s Islands of the Future Initiative

Author

Reyasudin Basir Khan, M., Al-Fattah, Jabbar, Nurul Islam, Gazi Md., Zainuddin, Ahmad Anwar, Lean, Chong Peng, Kamarudin, Saidatul Izyanie, Aziz, Miqdad Abdul, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Li, Yong, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Oneto, Luca, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zamboni, Walter, Series Editor, Zhang, Junjie James, Series Editor, Tan, Kay Chen, Series Editor, Ahmad, Nur Syazreen, editor, Mohamad-Saleh, Junita, editor, and Teh, Jiashen, editor

Published
2024
Full Text
View/download PDF

44. Crash Performance of Automotive Bio-Composite Crash Box Using Finite Element Analysis

Author

Soh, S. Y., Hassan, C. S., Nazer, M. F. M., Hamid, A. R. Abd, Yu, L. J., Abdullah, N. F., Aziz, N. Abdul, Ilyas, R. A., Ghosh, Arindam, Series Editor, Chua, Daniel, Series Editor, de Souza, Flavio Leandro, Series Editor, Aktas, Oral Cenk, Series Editor, Han, Yafang, Series Editor, Gong, Jianghong, Series Editor, Jawaid, Mohammad, Series Editor, Abd. Aziz, Radhiyah, editor, Ismail, Zulhelmi, editor, Iqbal, A. K. M. Asif, editor, and Ahmed, Irfan, editor

Published
2024
Full Text
View/download PDF

45. e-HIRARC Tool for Brick Laboratory in Civil Engineering Department at TVET (Technical and Vocational Education Training) Campus

Author

Hassan, Masita, Aziz, Hanida Abdul, Rahim, Mohd Zahidi, Chaari, Fakher, Series Editor, Gherardini, Francesco, Series Editor, Ivanov, Vitalii, Series Editor, Haddar, Mohamed, Series Editor, Cavas-Martínez, Francisco, Editorial Board Member, di Mare, Francesca, Editorial Board Member, Kwon, Young W., Editorial Board Member, Trojanowska, Justyna, Editorial Board Member, Xu, Jinyang, Editorial Board Member, Hassan, Mohd Hasnun Arif, editor, Omar, Mohd Nadzeri, editor, Johari, Nasrul Hadi, editor, and Zhong, Yongmin, editor

Published
2024
Full Text
View/download PDF

46. Framework of Safety Helmet Compliance Detection and Employee Tracking by Using Quick Response (QR Code) Technology

Author

Rusli, Nuraini Wahidah, Aziz, Hanida Abdul, Nawi, Naz Edayu Mat, Chaari, Fakher, Series Editor, Gherardini, Francesco, Series Editor, Ivanov, Vitalii, Series Editor, Haddar, Mohamed, Series Editor, Cavas-Martínez, Francisco, Editorial Board Member, di Mare, Francesca, Editorial Board Member, Kwon, Young W., Editorial Board Member, Trojanowska, Justyna, Editorial Board Member, Xu, Jinyang, Editorial Board Member, Hassan, Mohd Hasnun Arif, editor, Omar, Mohd Nadzeri, editor, Johari, Nasrul Hadi, editor, and Zhong, Yongmin, editor

Published
2024
Full Text
View/download PDF

47. Developing a Survey Tool to Measure Psychosocial Risk and Work Performance at a Workplace

Author

Ishanuddin, Nuruzzakiyah Mohd, Aziz, Hanida Abdul, Sukadarin, Ezrin Hani, Chaari, Fakher, Series Editor, Gherardini, Francesco, Series Editor, Ivanov, Vitalii, Series Editor, Haddar, Mohamed, Series Editor, Cavas-Martínez, Francisco, Editorial Board Member, di Mare, Francesca, Editorial Board Member, Kwon, Young W., Editorial Board Member, Trojanowska, Justyna, Editorial Board Member, Xu, Jinyang, Editorial Board Member, Hassan, Mohd Hasnun Arif, editor, Omar, Mohd Nadzeri, editor, Johari, Nasrul Hadi, editor, and Zhong, Yongmin, editor

Published
2024
Full Text
View/download PDF

48. A Descriptive Study of Factors Influencing Online Purchasing Behavior: Malaysian Consumer Perspective

Author

Mustakim, Nurul Ain, Abdul-Rahman, Shuzlina, Aziz, Maslina Abdul, Hasan, Zuhairah, Filipe, Joaquim, Editorial Board Member, Ghosh, Ashish, Editorial Board Member, Prates, Raquel Oliveira, Editorial Board Member, Zhou, Lizhu, Editorial Board Member, Zakaria, Nur Haryani, editor, Mansor, Nur Suhaili, editor, Husni, Husniza, editor, and Mohammed, Fathey, editor

Published
2024
Full Text
View/download PDF

50. The Malaysian Monarchy System: A Review of the Literature

Author

Aziz, Norazlina Abdul, Mangsor, Mazlina Mohamad, Yusoff, Miti Fateema Sherzeella Mohd, Striełkowski, Wadim, Editor-in-Chief, Abdul Rahman, Rohana, editor, Labanieh, Mohamad Fateh, editor, Haq, Md. Zahurul, editor, Mohamed Yusoff, Zuryati, editor, and Abd. Aziz, Ahmad Shamsul, editor

Published
2024
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results