Numerical models
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Using Numerical Model Simulations to Improve the Understanding of Micro-plastic Distribution and Pathways in the Marine Environment Open
Numerical modeling is one of the key tools with which we can gain insight into the distribution of marine litter, especially micro-plastics. Over the past decade, a series of numerical simulations have been constructed that specifically ta…
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Numerical modeling for rockbursts: A state-of-the-art review Open
As the depth of excavation increases, rockburst becomes one of the most serious geological hazards damaging equipment and facilities and even causing fatalities in mining and civil engineering. This has forced researchers worldwide to iden…
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Long waves in two layers: governing equations and numerical model Open
Governing equations including full non-linearity are derived from the Euler equations of mass and momentum continuities assuming a long wave approximation, negligible friction and interfacial mixing. The linearized equations for two-layers…
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Benchmarking of numerical models for wave overtopping at dikes with shallow mildly sloping foreshores: Accuracy versus speed Open
Practitioners often employ diverse, though not always thoroughly validated, numerical models to directly or indirectly estimate wave overtopping () at sloping structures. These models, broadly classified as either phase-resolving or phase-…
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Numerical Modeling of AC Loss in HTS Coated Conductors and Roebel Cable Using T-A Formulation and Comparison With H Formulation Open
With recent advances in second-generation high temperature superconductors (2G HTS) and cable technologies, various numerical models based on finite-element method (FEM) have been proposed to help interpret measured AC loss and assist cabl…
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Material and Structural Modeling Aspects of Brain Tissue Deformation under Dynamic Loads Open
The aim of this work was to assess the numerous approaches to structural and material modeling of brain tissue under dynamic loading conditions. The current technological improvements in material modeling have led to various approaches des…
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Study on the efficiency of destress blasting in deep mine drift development Open
Canadian hard rock mines continue to reach deeper deposits, which poses greater challenges to mine safety including rock burst control. Destress blasting techniques have been successfully employed in such underground mines with the aim of …
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A new approach to identify the sensitivity and importance of physical parameters combination within numerical models using the Lund–Potsdam–Jena (LPJ) model as an example Open
An important source of uncertainty, which causes further uncertainty in numerical simulations, is that residing in the parameters describing physical processes in numerical models. Therefore, finding a subset among numerous physical parame…
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Full-Scale Informal Settlement Dwelling Fire Experiments and Development of Numerical Models Open
While fire-related injuries and deaths decreased in the global north over the past few years, they have increased in the global south. With more than one billion people residing in informal settlements (sometimes known as slums, ghettos or…
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A Review on Fretting Wear Mechanisms, Models and Numerical Analyses Open
Fretting wear is a material damage in contact surfaces due to micro relative displacement between them. It causes some general problems in industrial applications, such as loosening of fasteners or sticking in components supposed to move r…
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Physical Knowledge-Enhanced Deep Neural Network for Sea Surface Temperature Prediction Open
Traditionally, numerical models have been deployed in oceanography studies to simulate ocean dynamics by representing physical equations. However, many factors pertaining to ocean dynamics seem to be ill-defined. We argue that transferring…
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Numerical Simulation of Hydraulic Jumps. Part 1: Experimental Data for Modelling Performance Assessment Open
Hydraulic jumps have been the object of extensive experimental investigation, providing the numerical community with a complete case study for models’ performance assessment. This study constitutes an exhaustive literature review on hydrau…
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Numerical investigation on geometric configurations affecting seepage from unlined earthen channels and the comparison with field measurements Open
In this study, a numerical simulation is applied to investigate the effective factors on the seepage from the earthen channels. To authenticate the information at hand, some of the earthen channels in the Zayandeh-Rud irrigation network in…
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Numerical–Experimental Correlation of Impact-Induced Damages in CFRP Laminates Open
Composite laminates are characterized by high mechanical in-plane properties and poor out-of-plane characteristics. This issue becomes even more relevant when dealing with impact phenomena occurring in the transverse direction. In aeronaut…
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Crack diagnostics in a large-scale reinforced concrete structure based on the analysis of vibration processes Open
Verification of the mathematical model describing the dynamic deformation processes in the reinforced concrete structure is carried out by comparing the experimental and numerical data. The proposed model served as a basis for a series of …
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Numerical and experimental evaluation of masonry prisms by finite element method Open
This work developed experimental tests and numerical models able to represent the mechanical behavior of prisms made of ordinary and high strength concrete blocks. Experimental tests of prisms were performed and a detailed micro-modeling s…
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An Introduction to Atmospheric Pollutant Dispersion Modelling Open
Modelling the dispersion of atmospheric pollutants plays an important role in regulatory and epidemiological settings. Although the majority of modelling concepts were developed in the 1980s, a significant amount of optimisation and refine…
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Numerical Modelling of Flow-Debris Interaction during Extreme Hydrodynamic Events with DualSPHysics-CHRONO Open
Floods can transport debris of a very wide range of dimensions, from cohesive sediments to large floating debris, such as trees and cars. The latter increases the risk associated with floods by, for example, obstructing the flow or damagin…
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A numerical procedure for failure mode detection of masonry arches reinforced with fiber reinforced polymeric materials Open
In this paper a mechanical model of masonry arches strengthened with fibrereinforced composite materials and the relevant numerical procedure for the analysis are proposed. The arch is modelled by using an assemblage of rigid blocks that a…
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Investigation of mechanical behaviour of a quasi-brittle material using Karagozian and Case concrete (KCC) model Open
The mechanical behaviour of a quasi-brittle material, i.e. Pietra Serena sandstone, was investigated both numerically and experimentally in order to build a reliable numerical modelling system applicable to more complex cases. The Karagozi…
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Modelling nearshore hydrodynamics and circulation under the impact of high waves at the coast of Varkiza in Saronic-Athens Gulf Open
A plethora of physical parameters, such as hydro-, litho- and morpho-dynamic characteristics, are essential for understanding the response of coastal systems to intense sea states in terms of sediment transport and shoreline evolution. Now…
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Examples of successful numerical modelling of complex geotechnical problems Open
Over the last decades, numerical methods have gained increasing importance in practical geotechnical engineering and numerical methods have become a standard tool in geotechnical design, widely accepted by the geotechnical profession. The …
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Numerical modelling-based damage diagnostics in cultural heritage structures Open
In this paper, a numerical modelling-based damage diagnostics methodology is proposed for cultural heritage structures (CHSs) made of masonry. Firstly, an integration of 3D documentation data (i.e. point clouds and virtual tours) is develo…
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An evaluation of numerical approaches for S-wave component simulation in rock blasting Open
The shear wave (S-wave) component of the total blast vibration always plays an important role in damage to rock or adjacent structures. Numerical approach has been considered as an economical and effective tool in predicting blast vibratio…
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Proceedings of the 15th International Conference on Shock and Impact Loads on Structures Open
Intensive research efforts have been spent on investigating the effectiveness of using FRP strengthening to increase the blast load-carrying capacities of RC structures. Most of these studies are experimental-based. It is found that in gen…
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Numerical simulation of fresh concrete flow: insight and challenges Open
Recent developments in concrete technology are advancing into a scientific-based approach, where both experimental and numerical simulations are utilised to achieve an optimum mix design and an effective placement into formwork at the jobs…
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Laboratory Investigation and Numerical Modelling of Concrete Reinforced with Recycled Steel Fibers Open
In the last decades, fiber reinforced concrete have emerged as the possible key to revolutionize civil engineering. Among different types of fibers employed in concrete technology to date, the application of recycled steel fibers produced …
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Study on the Rock Mass Caving and Surface Subsidence Mechanism Based on an In Situ Geological Investigation and Numerical Analysis Open
To deeply understand the mechanism of the rock mass caving and associated surface subsidence during sublevel caving mining, the Xiaowanggou iron mine was selected as an engineering project case study. The study area was analyzed by means o…
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Three-Dimensional Numerical Modelling of Real-Field Dam-Break Flows: Review and Recent Advances Open
Numerical modelling is a valuable and effective tool for predicting the dynamics of the inundation caused by the failure of a dam or dyke, thereby assisting in mapping the areas potentially subject to flooding and evaluating the associated…
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Benchmarking Numerical Methods for Impact and Cratering Applications Open
Large scale computational models are important for studying impact cratering events that are prevalent both on Earth and, more broadly, in this solar system. To address these problems, models must reliably account for both large length sca…