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1. Influence of Russia-Ukraine War on the Global Energy and Food Security

Author:
Xi-Yin Zhou; Gang Lu; Zhicheng Xu; Xiaoqing Yan; Soon-Thiam Khu; Junfeng Yang; Jian Zhao
Source:
Resources, conservation, and recycling 2023 v.188 pp. 106657
ISSN:
0921-3449
Subject:
simulation models,   etc   ; barley; energy; food security; politics; risk; trade; Africa; Asia; Ukraine;     Show all 10 Subjects
Abstract:
... The Russian- Ukraine War has and further influence the global energy and food security. However, the detailed influence degree, key weak points and influence process is still unclear in the current. Therefore, this study established a newly improved under-load cascading failure model with consideration of overload limitation, and used it to evaluate influence of Russian- Ukraine War on the global ...
DOI:
10.1016/j.resconrec.2022.106657

2. Improving rice phenology simulations based on the Bayesian model averaging method

Author:
Jinhui Zheng; Shuai Zhang
Source:
European journal of agronomy 2023 v.142 pp. 126646
ISSN:
1161-0301
Subject:
simulation models,   etc   ; Bayesian theory; agricultural management; agronomy; climate; model uncertainty; phenology; prediction; rice;     Show all 9 Subjects
Abstract:
... Crop simulation models play an increasingly important role in agricultural management. Therefore, improving crop models’ accuracy and reliability has become a key issue. Previous studies have shown that multi-model ensembles (MMEs) perform better than individual models and are capable of assessing model uncertainty. Here, we study the use of the Bayesian model averaging (BMA) method to improve the ...
DOI:
10.1016/j.eja.2022.126646

3. Combining passive sampling with fraction transfer and toxicokinetic modeling to assess bioavailability of organic pollutants in a benthic invertebrate, Lumbriculus variegatus

Author:
Xiaowen Ji; Jenna Cantin; Ana S. Cardenas Perez; Yufeng Gong; John P. Giesy; Markus Brinkmann
Source:
Journal of hazardous materials 2023 v.441 pp. 129986
ISSN:
0304-3894
Subject:
simulation models,   etc   ; Lumbriculus variegatus; adsorption; bioavailability; desorption; dissolved organic carbon; environmental assessment; freshwater; invertebrates; sediments;     Show all 10 Subjects
Abstract:
... This study investigated passive adsorption of nine antipsychotic drugs by the benthic oligochaete, Lumbriculus variegatus from spiked freshwater sediments. Based on a combination of diffusive gradients in thin-films (DGT) passive sampling and modelling, specifically the DGT-induced fluxes in sediments (DIFS) model and fractions-transfer models, an uptake and diffusion-induced model was established ...
DOI:
10.1016/j.jhazmat.2022.129986

4. Theoretical and experimental investigations into the pyrolysis mechanisms of silicon-modified phenolic resin under high temperatures

Author:
YouPei Du; ZhenHua Luo; Yang Yang; Yiming Yang; WenJie Yuan; Hao Li; YiQiang Hong; Zhen Dai; PingXia Zhang; Tong Zhao
Source:
Carbon 2023 v.201 pp. 504-519
ISSN:
0008-6223
Subject:
simulation models,   etc   ; Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; algorithms; aromatization; carbon; carbonization; crosslinking; microstructure; molecular dynamics; phenolic resins; pyrolysis; separation;     Show all 14 Subjects
Abstract:
... ReaxFF molecular dynamics (ReaxFF-MD) simulations and X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), Raman, Fourier transform infrared spectroscopy (FT-IR), ²⁹Si NMR were used to investigate the temperature-dependent pyrolysis gas release behavior, dynamic evolution of microstructure, and fundamental carbonization mechanism of silicon-modified phenolic resin (SiPR). An improved a ...
DOI:
10.1016/j.carbon.2022.07.061

5. Insights into the formation of carboxymethyl chitosan-nisin nanogels for sustainable antibacterial activity

Author:
Chunhua Wu; Zijian Zhi; Mengxia Duan; Jishuang Sun; Haixin Jiang; Jie Pang
Source:
Food chemistry 2023 v.402 pp. 134260
ISSN:
0308-8146
Subject:
simulation models,   etc   ; Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; antibacterial properties; biopreservatives; chitosan; crosslinking; food chemistry; food industry; hydrogen; nanogels; nisin; particle size; transmission electron microscopy; zeta potential;     Show all 15 Subjects
Abstract:
... To improve the sustainable antibacterial active of nisin, nisin-loaded carboxymethyl chitosan (CMCS-nisin) nanogels (CN NGs) are prepared via a combination method of electrostatic self-assembly and chemical cross-linking. The as-prepared CN NGs are profiled using dynamic light scattering, zeta potential, transmission electron microscopy, fourier transform infrared spectroscopy (FT-IR) and X-ray ph ...
DOI:
10.1016/j.foodchem.2022.134260

6. High-Frequency Channel Modeling Based on the Multi-Source Ionospheric Assimilation Model

Author:
Mingjie Lv; Chen Zhou; Tongxin Liu; Jiandong Qiao; Wei Qiao; Chen Li; Junming Wang; Jianhua Zhu
Source:
Remote Sensing 2022 v.14 no.17 pp. -
ISSN:
2072-4292
Subject:
simulation models,   etc   ; prediction; radar;     Show all 3 Subjects
Abstract:
... In this paper, we explored how to more accurately predict the quality of high-frequency links and how to better research and improve the capabilities of high-frequency communication, reconnaissance, and positioning systems. Based on the background electron density generated by the ionospheric assimilation model and 3D ray-tracing technology, more realistic and accurate high-frequency channel param ...
DOI:
10.3390/rs14174133

7. Propagation and Transformation of Vortexes in Linear and Nonlinear Radio-Photon Systems

Author:
Valery H. Bagmanov; Albert Kh. Sultanov; Ivan K. Meshkov; Azat R. Gizatulin; Raoul R. Nigmatullin; Airat Zh. Sakhabutdinov
Source:
Fibers 2022 v.10 no.1 pp. -
ISSN:
2079-6439
Subject:
simulation models,   etc   ; radio; topology;     Show all 3 Subjects
Abstract:
... The article is devoted to issues related to the propagation and transformation of vortexes in the optical range of frequency. Within the framework of the traditional and modified model of slowly varying envelope approximation (SVEA), the process of converting vortex beams of the optical domain into vortex beams of the terahertz radio range based on nonlinear generation of a difference frequency in ...
DOI:
10.3390/fib10010004

8. An optimized CFD-DEM method for particle collision and retention analysis of two-phase flow in a reduced-diameter pipe

Author:
Liming Yao; Yuxi Liu; Jubao Liu; Zhongmin Xiao; Kun Xie; Huihui Cao; Hailong Zhang
Source:
Powder technology 2022 v.405 pp. 117547
ISSN:
0032-5910
Subject:
simulation models,   etc   ; quartz; technology;     Show all 3 Subjects
Abstract:
... High-concentration solid-liquid two-phase flow causes particle erosion or accumulation at the sudden change positions of flow channels, resulting in pipe leakage and tool failure. In existing CFD-DEM methods, since the particle time sub steps cannot be infinitely small, local high-speed particles may penetrate each other. In the current study, the CFD-DEM method is optimized by adding the judgment ...
DOI:
10.1016/j.powtec.2022.117547

9. Inversion of hydrogeological parameters based on an adaptive dynamic surrogate model

Author:
Yong Liu; Jiannan Luo; Yu Xiong; Yeifei Ji; Xin Xin
Source:
Hydrogeology journal 2022 v.30 no.5 pp. 1513-1527
ISSN:
1431-2174
Subject:
simulation models,   etc   ; groundwater; hydrogeology; China;     Show all 4 Subjects
Abstract:
... The inversion of hydrogeological parameters is an essential step of groundwater numerical simulation. A simulation-optimization method is an effective method to solve the hydrogeological parameters inversion problem. However, in the process of simulation-optimization, the groundwater numerical simulation model will be utilized thousands of times, which results in a large computational burden. To o ...
DOI:
10.1007/s10040-022-02493-6

10. Simulation of Fiber Arrangement in the Sliver with Fiber Separation Degree

Author:
Na Sun; Chongwen Yu
Source:
Journal of natural fibers 2022 v.19 no.4 pp. 1419-1427
ISSN:
1544-046X
Subject:
simulation models,   etc   ; computer simulation; cotton;     Show all 3 Subjects
Abstract:
... The fiber arrangement of a sliver has a significant impact on its quality, especially for the sliver evenness. In this work, an innovative computer simulation model based on fiber arrangement with fiber separation degree was rationally proposed in order to enhance simulation accuracy. The as-proposed model could be applied in simulating the arrangement of fiber assembles and separated fibers in th ...
DOI:
10.1080/15440478.2020.1776661

11. Anion Modification and Theoretical Understanding for Improving Annealing-Free Electrochemistry Deposition of Perovskites under an Ambient Atmosphere

Author:
Yangrunqian Wang; Chao Gao; Yuanyuan Chen; Xin Wang; Hong Liu; Wenzhong Shen
Source:
Journal of physical chemistry 2022 v.126 no.10 pp. 4785-4791
ISSN:
1932-7455
Subject:
simulation models,   etc   ; crystallization; electrochemistry; silicon;     Show all 4 Subjects
Abstract:
... Organometallic halide perovskites have drawn tremendous attention for their remarkable photovoltaic properties. We report anion modification for improving annealing-free electrochemical deposition of perovskites under an ambient atmosphere and extending the applications. Relevant theoretical simulation based on the Butler–Volmer functions reveals the mechanism behind: introduced anions raise the e ...
DOI:
10.1021/acs.jpcc.1c10232

12. Simulation Study on Aircraft Fire Extinguishing Pipeline with Different Filling Conditions and Pipeline Characteristics

Author:
Rulin Liu; Changyu Yuan; Weitong Ma; Shaonan Liu; Song Lu; Heping Zhang; Jun Gong
Source:
Fire 2022 v.5 no.4 pp. -
ISSN:
2571-6255
Subject:
simulation models,   etc   ; aircraft; roughness; temperature;     Show all 4 Subjects
Abstract:
... The filling conditions and pipeline characteristics of the aircraft fire extinguishing system determine the pressure of the fire extinguishing cylinder outlet, the discharge quality of the extinguishing agent, and the flow distribution during the discharge process. The simulation model of the fire extinguishing system pipeline of an aircraft was established by Amesim. The influence of filling cond ...
DOI:
10.3390/fire5040086

13. Simulation of Fire Extinguishing Agent Transport and Dispersion in Aircraft Engine Nacelle

Author:
Rulin Liu; Hui Shi; Qiyong Zhou; Weitong Ma; Tengfei Wang; Song Lu
Source:
Fire 2022 v.5 no.4 pp. -
ISSN:
2571-6255
Subject:
simulation models,   etc   ; aircraft; mass flow;     Show all 3 Subjects
Abstract:
... The flow and dispersion characteristics of the fire extinguishing agent in the pipings and the concentration distribution in the nacelle are essential for optimizing the aircraft fire extinguishing system. In the present work, we developed a three-dimensional CFD model to simulate the transport and dispersion of the agent in piping and nacelle. The results show that the length and structure of the ...
DOI:
10.3390/fire5040097

14. Characteristic analysis and reconstruction method of falls from windows

Author:
Inhwan Han; Chan-Seong Park
Source:
Forensic science international 2022 v.330 pp. 111134
ISSN:
0379-0738
Subject:
simulation models,   etc   ; accidents; forensic sciences;     Show all 3 Subjects
Abstract:
... Fall accidents from windows usually start indoors, so it is impossible to secure witnesses or video clips of the initial fall situation, and there are difficulties such as a complicated fall process, but related studies are rare. In this study, the types of window fall accidents are classified, and behavior characteristics are analyzed through multibody simulation analysis based on the initial fal ...
DOI:
10.1016/j.forsciint.2021.111134

15. Complex eco-evolutionary dynamics induced by the coevolution of predator–prey movement strategies

Author:
Christoph Netz; Hanno Hildenbrandt; Franz J. Weissing
Source:
Evolutionary ecology 2022 v.36 no.1 pp. 1-17
ISSN:
0269-7653
Subject:
simulation models,   etc   ; coevolution; landscapes; reproduction;     Show all 4 Subjects
Abstract:
... The coevolution of predators and prey has been the subject of much empirical and theoretical research that produced intriguing insights into the interplay of ecology and evolution. To allow for mathematical analysis, models of predator–prey coevolution are often coarse-grained, focussing on population-level processes and largely neglecting individual-level behaviour. As selection is acting on indi ...
DOI:
10.1007/s10682-021-10140-x

16. Incipient karst generation in jointed layered carbonates: Insights from three-dimensional hydro-chemical simulations

Author:
Chuanyin Jiang; Xiaoguang Wang; Shengyan Pu; Herve Jourde
Source:
Journal of hydrology 2022 v.610 pp. 127831
ISSN:
0022-1694
Subject:
simulation models,   etc   ; evolution; hydrology; karsts;     Show all 4 Subjects
Abstract:
... We develop a hydro-chemical model to simulate incipient karst generation in three-dimensional (3D) jointed layered carbonates. The discrete fracture networks consist of fractures that are represented by two-dimensional (2D) planes. The numerical model couples the important physical processes of fluid flow, reactive transport, and dissolutional growth of fracture aperture. We represent the typical ...
DOI:
10.1016/j.jhydrol.2022.127831

17. Multi-method simulation modelling of circular manufacturing systems for enhanced decision-making

Author:
Malvina Roci; Niloufar Salehi; Saman Amir; Farazee.M.A. Asif; Sayyed Shoaib-ul-Hasan; Amir Rashid
Source:
MethodsX 2022 v.9 pp. 101709
ISSN:
2215-0161
Subject:
simulation models,   etc   ; decision making; stakeholders;     Show all 3 Subjects
Abstract:
... Circular manufacturing systems (CMS) constitute complex value networks comprising a large and diverse set of stakeholders that collaborate to close the loop of products through multiple lifecycles. Complex systems modelling and simulation play a crucial role in providing quantitative and qualitative insights into the behaviour of such systems. In particular, multi-method simulation modelling that ...
DOI:
10.1016/j.mex.2022.101709

18. Primary Nucleation in Metastable Solutions of Poly(3-hexylthiophene)

Author:
Tianyu Wu; Sivasurender Chandran; Yao Zhang; Tianze Zheng; Thomas Pfohl; Jun Xu; Günter Reiter
Source:
Macromolecules 2022 v.55 no.8 pp. 3325-3334
ISSN:
1520-5835
Subject:
simulation models,   etc   ; crystallization; polymers; probability;     Show all 4 Subjects
Abstract:
... Because of its smallness and low probability of formation, the determination of the size of the critical primary nucleus represents a great challenge in polymer crystallization. We are still missing a feasible approach providing experimental access to primary nucleation. In this work, we investigated the dependence of the incubation time on the degree of supersaturation for a well-defined metastab ...
DOI:
10.1021/acs.macromol.1c02193

19. High-Performance Adsorbent for Ethane/Ethylene Separation Selected through the Computational Screening of Aluminum-Based Metal–Organic Frameworks

Author:
Donghyun Kim; Donghui Jo; Ji Woong Yoon; Su-Kyung Lee; Kyung Ho Cho; Youn-Sang Bae; U-Hwang Lee
Source:
ACS applied materials & interfaces 2022 v.14 no.38 pp. 43637-43645
ISSN:
1944-8252
Subject:
simulation models,   etc   ; adsorbents; adsorption; ethane; ethylene;     Show all 5 Subjects
Abstract:
... The development of a high-performance ethane (C₂H₆)-selective adsorbent for the separation of ethane/ethylene (C₂H₆/C₂H₄) gas mixtures has been investigated for high-efficiency adsorption-based gas separation. Herein, we investigated Al-based metal–organic frameworks (MOFs) to identify an efficient C₂H₆-selective adsorbent (CAU-11), supported by a computational simulation study. CAU-11 exhibited n ...
DOI:
10.1021/acsami.2c13905

20. Local Scour at Complex Bridge Piers in Bangladesh Rivers: Reflections from a Large Study

Author:
M. Shahjahan Mondal
Source:
Water 2022 v.14 no.15 pp. -
ISSN:
2073-4441
Subject:
simulation models,   etc   ; hydrodynamics; sediments; water; Bangladesh;     Show all 5 Subjects
Abstract:
... Many small-scale experimental, field, and empirical studies on bridge scour are available, however a large-scale study on local scour at a complex pier with wide variation in design parameters is still lacking. In this study, a country-wide assessment of local scour at complex piers of 239 bridges in Bangladesh is made. The hydrologic, hydraulic, and sediment data required in the assessment are ob ...
DOI:
10.3390/w14152405