نتایج جستجو برای: fsi modeling

تعداد نتایج: 390622  

Journal: :Aerospace Science and Technology 2022

High-fidelity fluid-structure interaction (FSI) simulations of the ASPIRE SR01 supersonic parachute flight test are performed through loose coupling computational fluid dynamics (CFD) and structural (CSD) solvers. The CFD solver employs a Cartesian adaptive mesh refinement (AMR) grid paradigm with ghost cell immersed boundary method to represent arbitrarily complex geometries, CSD uses MITC3 tr...

Journal: :Journal of Fluids and Structures 2021

Fluid–structure interaction (FSI) analysis is often highly computationally expensive, making it infeasible to conduct iterative aeroelastic design studies or rigorous optimizations. This work develops a new method for that can be more efficient in the determination of final structure/fluid equilibrium configurations, especially during where attributes structure may altered but those flow are un...

Journal: :Journal of Fluids Engineering-transactions of The Asme 2022

Abstract This work focuses on an advanced coupling of computational fluid dynamics (CFD) and structural finite element analysis (FEA) the aeroelastic behavior a single inverted composite wing with novelty including ground effect. The front formula one (F1) car can become flexible under loading due to elastic characteristics materials, resulting in changing flow field eventually altering overall...

Journal: :Nonlinear Dynamics 2021

Prediction of aerodynamic force is a crucial issue for parafoil canopy as the strong nonlinear fluid–structure interaction (FSI) between flexible material and flow field. Flight tests wind tunnel experiments are difficult to analyze aerodynamics because limitation difficulty data measurement in an unknown environment. The objective this study was computationally derive characteristics parafoil,...

2007
Trond Kvamsdal Knut M. Okstad

In this paper, we discuss procedures for computing the mesh movement in staggered FSI-simulations. The mesh movement is divided into a global and a local level. The global level is based on the solution of an incremental linear-elastic solid model using the structure movement as Dirichlet boundary conditions, and error estimates to guide the node relocation in the interior of the uid domain. Th...

2012
H. Yang Huidong Yang

In this work, the robustness of the fluid-structure interaction simulation with a nearly incompressible elasticity model from our previous work [Partitioned solvers for the fluid-structure interaction problems with a nearly incompressible elasticity model, Comput Visual Sci, 14:227-247, 2012] is improved. At each time step of the FSI simulation, using properly chosen elementwise stabilization p...

Journal: :Physical chemistry chemical physics : PCCP 2015
Abhishek Lahiri Thomas J S Schubert Boyan Iliev Frank Endres

In this communication, we show that the combination of 1 M lithium bis(trifluoromethylsulfonyl)amide and 1-butyl-1-methylpyrrolidinium bis(fluorosulfonyl)amide (LiTFSI/[Py1,4]FSI) can be regarded as a possible stable electrolyte for IL based lithium ion batteries. We compare the charge-discharge results with the electrolyte 1 M LiTFSI in 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl...

Journal: :International Journal of Recent Contributions from Engineering, Science & IT (iJES) 2020

Journal: :Applied Mathematics and Mechanics-english Edition 2022

Abstract Creatures with longer bodies in nature like snakes and eels moving water commonly generate a large swaying of their or tails, the purpose producing significant frictions collisions between body fluid to provide power consecutive forward force. This can be idealized by considering oscillations soft beam immersed when waves vibration travel down at constant speed. The present study emplo...

Journal: :Journal of Marine Science and Engineering 2021

Solution of near-field underwater explosion (UNDEX) problems frequently require the modeling two-way coupled fluid-structure interaction (FSI). This paper describes addition an embedded boundary method to UNDEX framework for multiphase, compressible and inviscid fluid using combined algorithms Runge–Kutta, discontinuous-Galerkin, level-set direct ghost-fluid methods. A computational dynamics (C...

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