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Boqian Ji, Jun Huang, Xiaoqiang Lu, Yacong Wu and Jingjiang Liu
The wing aerodynamic shape optimization is a typical high-dimensional problem with numerous independent design variables. Researching methods to reduce the dimensionality of optimization from the perspective of aerodynamic characteristics is necessary. O...
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Andrés F. Ochoa-Muñoz and Javier E. Contreras-Reyes
Missing or unavailable data (NA) in multivariate data analysis is often treated with imputation methods and, in some cases, records containing NA are eliminated, leading to the loss of information. This paper addresses the problem of NA in multiple facto...
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Tomasz Goetzendorf-Grabowski and Agnieszka Kwiek
The article presents a study on the influence of aerodynamic model fidelity on dynamic characteristics. The Simulation and Dynamic Stability Analysis (SDSA) package was used to calculate the dynamic characteristics, using both eigenvalues (linearized mod...
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Sang-Hyun Park, Sang-Hoon Yoon, Teguh Muttaqie, Quang Thang Do and Sang-Rai Cho
The residual strength of denting- and fracture-damaged box girders were experimentally and numerically investigated. The experiments were conducted under a pure bending moment using the four-point bending test method. The load, deflection, and strain wer...
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Mustofa Mustofa, Faculty of Economics and Business, Universitas Negeri Yogyakarta, Indonesia Catur Sugiyanto, Faculty of Economics and Business, Universitas Gadjah Mada, Indonesia Akhmad Akbar Susamto, Faculty of Economics and Business, Universitas Gadjah Mada, Indonesia 10.21831/economia.v19i1.58937
Pág. 127 - 140
This study aims to determine the impact of assistance from the rice program for people experiencing poverty on food security for poor households. The data in this paper are sourced from the fourth (2007) and fifth (2014) Indonesian Family Life Survey (IF...
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El Mustapha Azzirgue, El Khalil Cherif, Hamza El Azhari, Houria Dakak, Hasna Yachou, Ahmed Ghanimi, Nordine Nouayti, Joaquim Esteves da Silva and Farida Salmoun
The processed discharges from Tangier Automotive City?s (TAC) Chrafate Wastewater Treatment Plant (WWTP) contaminate the Jouamaa Hakama groundwater and the Ouljat Echatt river. We aimed to study the unknown interactions between surface water (SW) and gro...
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Chaeog Lim, Ik-seung Han, Ju-Young Kang, Im-jun Ban, Byungkeun Lee, Jun Soo Park and Sung-chul Shin
Global ship analysis is conducted using a finite element model (FE model) for ship design and construction, which involves structural, motion, and vibration analyses. It is crucial to examine the structural safety of the hull and motion response. In the ...
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Damian Absalon, Magdalena Matysik and Lukasz Pieron
The proper characteristics of the catchment area of dammed reservoirs is of great importance when managing their capacity in the context of enabling proper functioning, including retention of the planned amount of water and counteracting the effects of d...
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Rashmi Radha and Mritunjay Kumar Singh
In this study, a two-dimensional contaminant transport model with time-varying axial input sources subject to non-linear sorption, decay, and production is numerically solved to find the concentration distribution profile in a heterogeneous, finite soil ...
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Athiq Ulla Khan, Nanjundaswamy Sateesh Kumar, Alireza Bahrami, Yasin Onuralp Özkiliç, Mohammed Imran, Essam Althaqafi and Saiful Islam
The performance of self-compacting concrete (SCC) is gaining popularity in construction due to its exceptional strength and durability. However, the properties of combined steel and concrete at elevated temperatures lack experimental data from previous r...
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