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Joseph Mwangi Ng?aru and Sunho Park
This research investigates cavitation around a marine propeller, employing computational fluid dynamic (CFD) solvers, including an incompressible, isothermal compressible, and fully compressible flow. The investigation commenced with simulations utilizin...
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Mohd. Ahmed, Devinder Singh, Saeed AlQadhi and Nabil Ben Kahla
The displacement and stress-based error estimates in a posteriori error recovery of compressible and nearly-incompressible elastic finite element solutions is investigated in the present study. The errors in the finite element solutions, i.e., in displac...
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Guillermo Hauke and Jorge Lanzarote
This paper compares two strategies to compute buoyancy-driven flows using stabilized methods. Both formulations are based on a unified approach for solving compressible and incompressible flows, which solves the continuity, momentum, and total energy equ...
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Ping Liu, Bai-Jian Tang and Sakdirat Kaewunruen
This study established a new approach for calculating the effect of vibration-induced pressures on cylindrical thin-walled structures. Such a method will benefit the design of cylindrical thin-walled structures subjected to wind loads, earthquakes, etc. ...
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Maximilian Müller, Malte Woidt, Matthias Haupt and Peter Horst
An important element of the process of aircraft certification is the demonstration of the crashworthiness of the structure in the event of an emergency landing on water, also referred to as ditching. Novel numerical simulation methods, that incorporate t...
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Pavel Ryzhakov and Julio Marti
The fractional step method is a technique that results in a computationally-efficient implementation of Navier?Stokes solvers. In the finite element-based models, it is often applied in conjunction with implicit time integration schemes. On the other han...
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Constantin Schosser, Stefan Lecheler, Michael Pfitzner
Pág. 12 - 22
This paper summarises the numerical and theoretical studies of the incompressible, laminar airflow through a single flow passage of a blade-less radial turbine. Furthermore, it yields the numerical validation of the simplified theoretical model for incom...
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Yuri N. Skiba
Pág. 283 - 296
The nonlinear barotropic vorticity equation (BVE) describing the vortex dynamics of viscous incompressible and forced fluid on a rotating sphere is considered. The asymptotic behavior of solutions of nonstationary BVE as t ? 8 is studied. Particular form...
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Songjune Lee, Cheolung Cheong, Jaehwan Kim and Byung-hee Kim
The high-speed train interior noise induced by the exterior flow field is one of the critical issues for product developers to consider during design. The reliable numerical prediction of noise in a passenger cabin due to exterior flow requires the decom...
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Luís P. N. Mendes, Ana M. C. Ricardo, Alexandre J. M. Bernardino and Rui M. L. Ferreira
We present novel velocimetry algorithms based on the hybridization of correlation-based Particle Image Velocimetry (PIV) and a combination of Lucas?Kanade and Liu?Shen optical flow (OpF) methods. An efficient Aparapi/OpenCL implementation of those method...
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Jiannong Fang
To enforce the conservation of mass principle, a pressure Poisson equation arises in the numerical solution of incompressible fluid flow using the pressure-based segregated algorithms such as projection methods. For unsteady flows, the pressure Poisson e...
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Francesco Bassi, Lorenzo Alessio Botti, Alessandro Colombo and Francesco Carlo Massa
Multi-component flow problems are typical of many technological and engineering applications. In this work, we propose an implicit high-order discontinuous Galerkin discretization of the variable density incompressible (VDI) flow model for the simulation...
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Yuhao Guo, Yan Wang, Qiqi Hao and Tongguang Wang
An interface-corrected diffuse interface method is presented in this work for the simulation of incompressible multiphase flows with large density ratios. In this method, an interface correction term together with a mass correction term is introduced int...
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Ruifeng Hu, Limin Wang, Ping Wang, Yan Wang and Xiaojing Zheng
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Artin Laleian, Albert J. Valocchi and Charles J. Werth
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Zhiteng Zhou, Yi Liu, Hongping Wang and Shizhao Wang
A mass-conserved formulation for the Ffowcs-Williams?Hawkings (FW?H) integral is proposed to suppress contributions of spurious mass flux to the far-field sound at very low Mach numbers. The far-field condition and compact-source region assumptions are e...
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Abdel-Hakim Bouzid
The accurate prediction of liquid leak rates in packing seals is an important step in the design of stuffing boxes, in order to comply with environmental protection laws and health and safety regulations regarding the release of toxic substances or fugit...
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Sunho Park, Woochan Seok, Sung Taek Park, Shin Hyung Rhee, Yohan Choe, Chongam Kim, Ji-Hye Kim and Byoung-Kwon Ahn
To understand cavity dynamics, many experimental and computational studies have been conducted for many decades. As computational methods, incompressible, isothermal compressible, and fully compressible flow solvers were used for the purpose. In the pres...
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Elena Kravets
Pág. 28 - 37
The paper reports a three-dimensional numerical solution to the test problem about a viscous incompressible liquid flow in the closed square-shaped cavity with a movable upper face. Disadvantages in a mathematical statement of the problem about a flow of...
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Lu Yang and Guangming Zhang
Currently, influence analysis of simulation parameters, especially the trailing edge shape and the corresponding modeling method on the force coefficients of NACA0012 under a high Reynolds number, is relatively sparse. In this paper, two trailing edge sh...
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