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Taichao Wang, Xin Li, Fengming Liu, Lijun Zhang, Haojun Xie and Yuting Bai
The discrete fracture model (DFM) and the embedded discrete fracture model (EDFM) are both the most widely used methods to simulate fractured wells? production. In general, DFM represents fractures using an unstructured grid, and EDFM represents fracture...
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Ziping Wang, Tingqiu Li, Qiu Jin, Hao Guo, Ji Zhao and Junlin Qi
This paper proposes a fast multigrid algorithm to simulate the non-linear motion of ships in both intact and damaged conditions. The simulations of ship motions in waves are known to require much time to calculate due to the strong non-linear interaction...
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Joan Cecilia Averós, Jaume Puy Llorens and Ramiro Uribe-Kaffure
In this work, we present a novel strategy for the numerical solution of a coupled system of partial differential equations that describe reaction?diffusion processes of a mixture of metals and ligands that can be absorbed by a sensor or a microorganism, ...
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O. V. Andrieievskikh
Pág. 11 - 14
The paper proposes a computer method of modelling automatic devices, based on the memory elements with essential nonlinear delays, both with and without fixation of influence. In the procedure of memory elements modelling, performed on electromagnetic de...
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Pablo Brusola, Sergio Garcia-Nieto, Jose Vicente Salcedo, Miguel Martinez and Robert H. Bishop
This paper presents a mathematical modeling approach utilizing a fuzzy modeling framework for fixed-wing aircraft systems with the goal of creating a highly desirable mathematical representation for model-based control design applications. The starting p...
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Luiz M. B. C. Campos and Manuel J. S. Silva
The safety zone around the flight path of a rocket is determined by the fall of debris in the case of an accidental explosion or commanded termination. The trajectory of a tumbling body in a vertical plane is determined by specifying the velocity, flight...
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Manuel Pusch, Daniel Ossmann and Tamás Luspay
The model-based flight control system design for a highly flexible flutter demonstrator, developed in the European FLEXOP project, is presented. The flight control system includes a baseline controller to operate the aircraft fully autonomously and a flu...
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Claudia Aristizábal, Pierre-Yves Bard, Céline Beauval and Juan Camilo Gómez
The integration of site effects into Probabilistic Seismic Hazard Assessment (PSHA) is still an open issue within the seismic hazard community. Several approaches have been proposed varying from deterministic to fully probabilistic, through hybrid (proba...
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Federico Maria Reato, Claudio Ricci, Jan Misfatto, Matteo Calzaferri and Simone Cinquemani
The analysis of complex systems tends to be approached through a separation and a simplification of the main macro phenomena and, thus, addressed through dedicated techniques, tools, and algorithms. A smart and interesting possibility, instead, is repres...
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Yoon-Jin Ha, Kyong-Hwan Kim and Ji-Yong Park
In this study, a numerical simulation was conducted to investigate the non-linear physical phenomena of a tension leg platform (TLP) of a 15-MW-class floating offshore wind turbine (FOWT). Computational fluid dynamics was employed as the numerical tool, ...
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Dongxu Liu, Changchuan Xie, Guanxin Hong and Chao An
In this paper, multibody dynamic modeling and a simulation method for the wingtip-jointing process of a new-concept composite aircraft system are investigated. When the wingtips of two aircraft are jointed, the resultant wingtip-jointed aircraft is regar...
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Stephan Lenz, Martin Geier and Manfred Krafczyk
The simulation of fire is a challenging task due to its occurrence on multiple space-time scales and the non-linear interaction of multiple physical processes. Current state-of-the-art software such as the Fire Dynamics Simulator (FDS) implements most of...
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Rela Adi Himarosa,Suyitno Suyitno
Pág. 1 - 6
Total Disc Replacement (TDR) implant is part of the prosthesis to treat degenerative disease by retaining the maneuverability of the disk itself. The TDR implant allows to repair the movement of the spines, absorbs the friction of intervertebral discs, a...
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Yuriy Petrakov,Mariia Danylchenko,Andrii Petryshyn
Pág. 58 - 64
A new technology for predicting chatter in turning, based on simulation of the cutting process in time and frequency domains using the Nyquist diagram has been developed. The cutting process is presented as carried out in an elastic closed-loop technolog...
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Xavier Ros-Roca, Lídia Montero, Jaume Barceló
Pág. 881 - 888
Mathematical and simulation models of systems lay at the core of many decision support systems, and their role becomes more critical when the system is more complex. The decision process usually involves optimizing some utility function that evaluates th...
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Alexandre Richard, Xavier Roboam, Florent Rougier, Nicolas Roux and Hubert Piquet
This paper proposes an electric powertrain architecture for future hybrid electric aircrafts which structure is only composed of permanent magnet synchronous machines for both generators (PMSG) and motors (PMSM). The direct connection through an AC bus o...
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Wei Wei, Xibing Li, Jingzhi Liu, Yaodong Zhou, Lu Li and Jian Zhou
To detect areas with the potential for landslides, slopes are routinely subjected to stability analyses. To this end, there is a need to adopt appropriate mitigation techniques. In general, the stability of slopes with circular failure mode is defined as...
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Chia-An Ku and Hung-Kai Tsai
Due to urbanization around the world, people living in urban areas have been suffering from a series of negative effects caused by changes in urban microclimate, especially when it comes to urban heat islands (UHIs). To mitigate UHIs, management of urban...
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Do Kyun Kim, Su Young Yu, Hui Ling Lim and Nak-Kyun Cho
This research aims to study the ultimate limit state (ULS) behaviour of stiffened panel under longitudinal compression by a non-linear finite element method (NLFEM). There are different types of stiffeners mainly being used in shipbuilding, i.e., T-bar, ...
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David Schaefer, Christian Thiel, Jens Doose, Andreas Rennings and Daniel Erni
In this paper, we investigate the fundamental linkage between underwater electric potential (UEP) signatures and their related electric fields above the waterline, which are introduced as above water electric potential (AEP) signatures. As a first step, ...
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