Results 21 to 30 of about 346,563 (267)

Dynamic 3D Simulation of Flood Risk Based on the Integration of Spatio-Temporal GIS and Hydrodynamic Models

ISPRS International Journal of Geo-Information, 2019
Dynamic visual simulation of flood risk is crucial for scientific and intelligent emergency management of flood disasters, in which data quality, availability, visualization, and interoperability are important.
Yongxing Wu, Fei Peng, Yang Peng, Xiaoyang Kong, Heming Liang, Qi Li   +5 more
doaj   +1 more source

Three-dimensional phase field simulation for rafting of multiparticle precipitate in elastic inhomogeneous alloy under external stress [PDF]

Journal of Mining and Metallurgy. Section B: Metallurgy, 2019
Nickel-based super alloys are the main candidate materials for aero-engines, gas turbine blades etc. This paper focuses on the simulation of nucleation and growth kinetics of γ' phase, and stress response mechanism of γ’ phase particles during their ...
Mao H., Kong Y., Shuai X., Tang S., Du Y.   +4 more
doaj   +1 more source

Development and Application of Aerosol Analysis Module in 3D CFD Code GASFLOW

Yuanzineng kexue jishu, 2023
In the event of a severe nuclear reactor accident, the radioactive fission products in the form of aerosols will be released in large quantities into the containment along with steam, hydrogen, and other gases. The transport and deposition of aerosols in
WANG Fangnian1;XIAO Jianjun1,*;ZHOU Zhiwei2,*
doaj   +1 more source

Computing Room Acoustics Using 3D FDTD: A Cuda Approach. [PDF]

, 2011
In seeking to model realistic room acoustics, direct numerical simulation can be employed. This paper presents 3D Finite Difference Time Domain schemes that incorporate losses at boundaries and due to the viscosity of air.
Stefan Bilbao, Bilbao, Stefan, Craig J. Webb, Webb, C.   +3 more
core   +1 more source

Distribution of the Velocity Profile via Analytical and Three-Dimensional Numerical Vegetation Modeling [PDF]

Journal of Applied Fluid Mechanics
Understanding the ecological conditions of vegetation growth in water sources is vital to appraise the influence of vegetation on river engineering.
A. A. Hussain, M. A. Al-Obaidi, A. S. Mohammed, Y. M. John, F. L. Rashid   +4 more
doaj   +1 more source

Effect of oxide interface roughness on the threshold voltage fluctuations in decanano MOSFETs with ultrathin gate oxides [PDF]

, 2000
In this paper we use the density gradient (DG) simulation approach to study, in 3D, the effect of local oxide thickness fluctuations on the threshold voltage of decanano MOSFETs on a statistical scale.
Kalna, K., Asenov, A.
core   +1 more source

Numerical 3D simulations of seepage and the seepage stability of the right-bank dam of the Dry Flood Control Reservoir in Racibórz

Studia Geotechnica et Mechanica, 2018
This article presents the results of numerical simulations of seepage through the body of the dam and the reservoir bed. The purpose of this study was to analyse the seepage stability during a flood as well as the impact on seepage stability of the ...
Strzelecki Tomasz, Uciechowska-Grakowicz Anna, Strzelecki Michał, Sawicki Eugeniusz, Maniecki Łukasz   +4 more
doaj   +1 more source

Case report: Personalized transcatheter approach to mid-aortic syndrome by in vitro simulation on a 3-dimensional printed model

Frontiers in Cardiovascular Medicine, 2023
An 8-year-old girl, diagnosed with mid-aortic syndrome (MAS) at the age of 2 months and under antihypertensive therapy, presented with severe systemic hypertension (>200/120 mmHg).
Luca Giugno, Giovanni Maria Formato, Massimo Chessa, Massimo Chessa, Massimo Chessa, Emiliano Votta, Emiliano Votta, Mario Carminati, Francesco Sturla, Francesco Sturla   +9 more
doaj   +1 more source

Statistical modeling of facial aging based on 3D scans [PDF]

, 2010
This thesis presents an approach to the modeling of facial aging using and extending the Morphable Model technique. For modeling the face variation across individuals, facial expressions, and physical attributes, we collected 3D face scans of 298 persons.
Paysan, Pascal
core   +1 more source

Assessment of Intramural Segment Compression in Anomalous Coronary Arteries through Patient-Specific Finite Element Modeling

Applied Sciences, 2023
Background: Anomalous Aortic Origin of a Coronary Artery (AAOCA) is a congenital condition that can lead to ischemia and sudden cardiac death. Current diagnostic tools are unable to fully quantify the pathological behavior that occurs mainly with ...
Antonio Rosato, Mauro Lo Rito, Serena Anglese, Valentina Ceserani, Ariel Fernando Pascaner, Francesco Secchi, Michele Conti   +6 more
doaj   +1 more source