Relevant bibliographies by topics / Fluid structure interactions

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Academic literature on the topic 'Fluid structure interactions'

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Published: 4 June 2021
Last updated: 18 May 2024

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Journal articles on the topic "Fluid structure interactions"

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Bathe, Klaus-Ju¨rgen. "Fluid-structure Interactions." Mechanical Engineering 120, no. 04 (April 1, 1998): 66–68. http://dx.doi.org/10.1115/1.1998-apr-4.

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This article reviews finite element methods that are widely used in the analysis of solids and structures, and they provide great benefits in product design. In fact, with today’s highly competitive design and manufacturing markets, it is nearly impossible to ignore the advances that have been made in the computer analysis of structures without losing an edge in innovation and productivity. Various commercial finite-element programs are widely used and have proven to be indispensable in designing safer, more economical products. Applications of acoustic-fluid/structure interactions are found whenever the fluid can be modeled to be inviscid and to undergo only relatively small particle motions. The interplay between finite-element modeling and analysis with the recognition and understanding of new physical phenomena will advance the understanding of physical processes. This will lead to increasingly better simulations. Based on current technology and realistic expectations of further hardware and software developments, a tremendous future for fluid–structure interaction applications lies ahead.
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Semenov, Yuriy A. "Fluid/Structure Interactions." Journal of Marine Science and Engineering 10, no. 2 (January 26, 2022): 159. http://dx.doi.org/10.3390/jmse10020159.

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Toma, Milan, Rosalyn Chan-Akeley, Jonathan Arias, Gregory D. Kurgansky, and Wenbin Mao. "Fluid–Structure Interaction Analyses of Biological Systems Using Smoothed-Particle Hydrodynamics." Biology 10, no. 3 (March 2, 2021): 185. http://dx.doi.org/10.3390/biology10030185.

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Due to the inherent complexity of biological applications that more often than not include fluids and structures interacting together, the development of computational fluid–structure interaction models is necessary to achieve a quantitative understanding of their structure and function in both health and disease. The functions of biological structures usually include their interactions with the surrounding fluids. Hence, we contend that the use of fluid–structure interaction models in computational studies of biological systems is practical, if not necessary. The ultimate goal is to develop computational models to predict human biological processes. These models are meant to guide us through the multitude of possible diseases affecting our organs and lead to more effective methods for disease diagnosis, risk stratification, and therapy. This review paper summarizes computational models that use smoothed-particle hydrodynamics to simulate the fluid–structure interactions in complex biological systems.
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Zhou, Xiang Yang, and Qi Lin Zhang. "Numerical Simulation of Fluid-Structure Interaction for Tension Membrane Structures." Advanced Materials Research 457-458 (January 2012): 1062–65. http://dx.doi.org/10.4028/www.scientific.net/amr.457-458.1062.

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Comprehensive studies on effect of fluid-structure interaction and dynamic response for tension structure were conducted by the numerical simulation. An iterative coupling approach for time-dependent fluid-structure interactions is applied to tension membranous structures with large displacements. The coupling method connects a flow-condition-based interpolation element for incompressible fluids with a finite element for geometrically nonlinear problems. A membranous roof with saddle shape exposed to fluctuating wind field at atmosphere boundary layer was investigated for the coupling algorithm. The dynamic response and the fluctuating pressure on member structure were calculated according to the coupling configuration.
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Howe, Michael S., and David Feit. "Acoustics of Fluid–Structure Interactions." Physics Today 52, no. 12 (December 1999): 64. http://dx.doi.org/10.1063/1.882913.

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Wang, Xiaolin, Ken Kamrin, and Chris H. Rycroft. "An incompressible Eulerian method for fluid–structure interaction with mixed soft and rigid solids." Physics of Fluids 34, no. 3 (March 2022): 033604. http://dx.doi.org/10.1063/5.0082233.

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We present a general simulation approach for incompressible fluid–structure interactions in a fully Eulerian framework using the reference map technique. The approach is suitable for modeling one or more rigid or finitely deformable objects or soft objects with rigid components interacting with the fluid and with each other. It is also extended to control the kinematics of structures in fluids. The model is based on our previous Eulerian fluid–soft solver [Rycroft et al., “Reference map technique for incompressible fluid–structure interaction,” J. Fluid Mech. 898, A9 (2020)] and generalized to rigid structures by constraining the deformation-rate tensor in a projection framework. Several numerical examples are presented to illustrate the capability of the method.
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Hou, Gene, Jin Wang, and Anita Layton. "Numerical Methods for Fluid-Structure Interaction — A Review." Communications in Computational Physics 12, no. 2 (August 2012): 337–77. http://dx.doi.org/10.4208/cicp.291210.290411s.

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AbstractThe interactions between incompressible fluid flows and immersed structures are nonlinear multi-physics phenomena that have applications to a wide range of scientific and engineering disciplines. In this article, we review representative numerical methods based on conforming and non-conforming meshes that are currently available for computing fluid-structure interaction problems, with an emphasis on some of the recent developments in the field. A goal is to categorize the selected methods and assess their accuracy and efficiency. We discuss challenges faced by researchers in this field, and we emphasize the importance of interdisciplinary effort for advancing the study in fluid-structure interactions.
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FRANCO, ELISA, DAVID N. PEKAREK, JIFENG PENG, and JOHN O. DABIRI. "Geometry of unsteady fluid transport during fluid–structure interactions." Journal of Fluid Mechanics 589 (October 8, 2007): 125–45. http://dx.doi.org/10.1017/s0022112007007872.

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We describe the application of tools from dynamical systems to define and quantify the unsteady fluid transport that occurs during fluid–structure interactions and in unsteady recirculating flows. The properties of Lagrangian coherent structures (LCS) are used to enable analysis of flows with arbitrary time-dependence, thereby extending previous analytical results for steady and time-periodic flows. The LCS kinematics are used to formulate a unique, physically motivated definition for fluid exchange surfaces and transport lobes in the flow. The methods are applied to numerical simulations of two-dimensional flow past a circular cylinder at a Reynolds number of 200; and to measurements of a freely swimming organism, the Aurelia aurita jellyfish. The former flow provides a canonical system in which to compare the present geometrical analysis with classical, Eulerian (e.g. vortex shedding) perspectives of fluid–structure interactions. The latter flow is used to deduce the physical coupling that exists between mass and momentum transport during self-propulsion. In both cases, the present methods reveal a well-defined, unsteady recirculation zone that is not apparent in the corresponding velocity or vorticity fields. Transport rates between the ambient flow and the recirculation zone are computed for both flows. Comparison of fluid transport geometry for the cylinder crossflow and the self-propelled swimmer within the context of existing theory for two-dimensional lobe dynamics enables qualitative localization of flow three-dimensionality based on the planar measurements. Benefits and limitations of the implemented methods are discussed, and some potential applications for flow control, unsteady propulsion, and biological fluid dynamics are proposed.
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Howe, M. S. "Sound generated by fluid-structure interactions." Computers & Structures 65, no. 3 (November 1997): 433–46. http://dx.doi.org/10.1016/s0045-7949(96)00259-3.

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Richter, Thomas. "Fluid Structure Interactions in Eulerian Coordinates." PAMM 12, no. 1 (December 2012): 827–30. http://dx.doi.org/10.1002/pamm.201210391.

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Dissertations / Theses on the topic "Fluid structure interactions"

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O'Connor, Joseph. "Fluid-structure interactions of wall-mounted flexible slender structures." Thesis, University of Manchester, 2018. https://www.research.manchester.ac.uk/portal/en/theses/fluidstructure-interactions-of-wallmounted-flexible-slender-structures(1dab2986-b78f-4ff9-9b2e-5d2181cfa009).html.

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The fluid-structure interactions of wall-mounted slender structures, such as cilia, filaments, flaps, and flags, play an important role in a broad range of physical processes: from the coherent waving motion of vegetation, to the passive flow control capability of hair-like surface coatings. While these systems are ubiquitous, their coupled nonlinear response exhibits a wide variety of behaviours that is yet to be fully understood, especially when multiple structures are considered. The purpose of this work is to investigate, via numerical simulation, the fluid-structure interactions of arrays of slender structures over a range of input conditions. A direct modelling approach, whereby the individual structures and their dynamics are fully resolved, is realised via a lattice Boltzmann-immersed boundary model, which is coupled to two different structural solvers: an Euler-Bernoulli beam model, and a finite element model. Results are presented for three selected test cases - which build in scale from a single flap in a periodic array, to a small finite array of flaps, and finally to a large finite array - and the key behaviour modes are characterised and quantified. Results show a broad range of behaviours, which depend on the flow conditions and structural properties. In particular, the emergence of coherent waving motions are shown to be closely related to the natural frequency of the array. Furthermore, this behaviour is associated with a lock-in between the natural frequency of the array and the predicted frequency of the fluid instabilities. The original contributions of this work are: the development and application of a numerical tool for direct modelling of large arrays of slender structures; the characterisation of the behaviour of slender structures over a range of input conditions; and the exposition of key behaviour modes of slender structures and their relation to input conditions.
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Fan, David. "Fluid-structure interactions in internal flows." Thesis, University of Dundee, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.744232.

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FOINY, DAMIEN. "COUPLED SYSTEMS IN MECHANICS: FLUID STRUCTURE INTERACTIONS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2017. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=32283@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO
COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR
PROGRAMA DE EXCELENCIA ACADEMICA
As interações fluido-estrutura são muito comuns na engenharia mecânica e civil porque muitas estruturas, como pontes, plataformas de petróleo, linhas de transmissão ou turbinas eólicas, estão diretamente em contato com um fluido, que pode ser o ar, no caso de vento, ou água, que irá perturbar a estrutura através de ondas. Um papel importante do engenheiro é prevenir a falha da estrutura devido às instabilidades criadas pelas interações fluidoestrutura. Este trabalho apresentará em primeiro lugar todos os conceitos básicos necessários para o estudo de problemas de interação fluido-estrutura. Assim, é realizada uma análise dimensional visando classificar os problemas de fluido-estrutura. A classificação é baseada na velocidade reduzida, e algumas conclusões sobre as conseqüências das interações fluido-estrutura podem ser feitas em termos de estabilidade ou, o que é mais interessante, de instabilidade. De fato, usando modelos simplificados, pode-se mostrar instabilidades estáticas e dinâmicas, induzidas por fluxo, que podem ser críticas para a estrutura. As partes finais do trabalho apresentarão uma estrutura não-linear específica, uma ponte suspensa. Primeiro, a formulação de um modelo simplificado unidimensional é explicada e, em seguida, através de uma discretização por elementos finitos, é realizado um estudo dinâmico. Além disso, algumas conclusões são apresentadas sobre a dinâmica das pontes suspensas. A última parte deste trabalho apresenta um método que foi uma importante fonte de publicação para nós, o método de decomposição regular.
Fluid-structure interactions are very common in mechanical and civil engineering because many structures, as bridges, offshore risers, transmission lines or wind turbines are directly in contact with a fluid, which can be air, which will be source of wind, or water, which will perturb the structure through waves. An important role of the engineer is to prevent structure failure due to instabilities created by the fluid-structure interactions. This work will first present all the basic concepts needed for the study of fluid-structure interaction problems. Thus, a dimensional analysis of those problems is performed and also all the equations governing such cases are presented. Then, thanks to the dimensional analysis made, a classification of problems, namely based on the reduced velocity, can be done and some conclusions concerning the consequences of the fluid-structure interactions can be drawn in terms of stability or, which is more interesting, instability. Indeed, using simplified models one can show static and dynamic flow-induced instabilities that may be critical for the structure. The final parts of the work will present a specific non-linear structure, a suspension bridge. First the formulation of a simplified one-dimensional model is explained and then, through a finite element discretization, a dynamical study is performed. Also, some conclusions are made concerning the dynamic of suspension bridges. The last part of this work presents a method that was an important source of publication for us, the Smooth Decomposition method.
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Yuan, Y. "Blast response of structures : limits to deformation and fluid-structure interactions." Thesis, University College London (University of London), 2015. http://discovery.ucl.ac.uk/1472671/.

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This thesis investigates the blast response of simple structural components - fully clamped beams and plates - underwater and in air. Experimental work by others have shown that, with increasing loading intensity, these components deform in one of either three modes: mode I (large inelastic deformation), mode II (tensile tearing) or mode III (transverse shear failure). The aim of this thesis is to develop theoretical and numerical models that can accurately predict these damage modes, taking into account the effects of fluid-structure interactions, for both impulsive and non-impulsive blast loadings A fully-clamped ductile beam model is proposed that is capable of capturing large elasto-plastic deformation, progressive damage and failure through detachment from its supports. Predictions by the model were validated against experimental data in the literature and with finite element models developed in this thesis. Parametric studies were also performed to elucidate the effects of loading duration on the mode of deformation and the conditions governing their transition. Numerical evidence on elimination of pulse-shape effects using an effective rectangular pulse loading (Youngdahl's approach) has been provided. The effects of uid-structure interaction (FSI) are investigated for fully-clamped, elasto-plastic beams in deep underwater explosions and intense air blast loadings. The main objective is to understand how the introduction of fully-clamped clamped supports alter existing well known results grounded on rigid, free-standing counterpart; and, to quantify how different modes of deformation affects the impulse and energy transmitted to the structure by the blast wave. Sensitivity analyses were carried out to elucidate the dependence of the results on the beam's aspect ratio and inertial mass. The deformation and failure of fully clamped rectangular plates subjected to blast loading are modelled numerically using finite element method. The numerical results are validated against experimental data. Deformation maps delineating the different deformation regimes for different combinations of blast impulse and aspect ratio are constructed for plates of equal mass. The effects of imposing a finite period, as opposed to a zero-period, pressure pulse upon the deformation mode and maximum deflection are discussed.
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Daily, David J. "Fluid-Structure Interactions with Flexible and Rigid Bodies." BYU ScholarsArchive, 2013. https://scholarsarchive.byu.edu/etd/3791.

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Fluid structure interactions occur to some extent in nearly every type of fluid flow. Understanding how structures interact with fluids and visa-versa is of vital importance in many engineering applications. The purpose of this research is to explore how fluids interact with flexible and rigid structures. A computational model was used to model the fluid structure interactions of vibrating synthetic vocal folds. The model simulated the coupling of the fluid and solid domains using a fluid-structure interface boundary condition. The fluid domain used a slightly compressible flow solver to allow for the possibility of acoustic coupling with the subglottal geometry and vibration of the vocal fold model. As the subglottis lengthened, the frequency of vibration decreased until a new acoustic mode could form in the subglottis. Synthetic aperture particle image velocimetry (SAPIV) is a three-dimensional particle tracking technique. SAPIV was used to image the jet of air that emerges from vibrating human vocal folds (glottal jet) during phonation. The three-dimensional reconstruction of the glottal jet found faint evidence of flow characteristics seen in previous research, such as axis-switching, but did not have sufficient resolution to detect small features. SAPIV was further applied to reconstruct the smaller flow characteristics of the glottal jet of vibrating synthetic vocal folds. Two- and four-layer synthetic vocal fold models were used to determine how the glottal jet from the synthetic models compared to the glottal jet from excised human vocal folds. The two- and four-layer models clearly exhibited axis-switching which has been seen in other 3D analyses of the glottal jet. Cavitation in a quiescent fluid can break a rigid structure such as a glass bottle. A new cavitation number was derived to include acceleration and pressure head at cavitation onset. A cavitation stick was used to validate the cavitation number by filling it with different depths and hitting the stick to cause fluid cavitation. Acceleration was measured using an accelerometer and cavitation bubbles were detected using a high-speed camera. Cavitation in an accelerating fluid occurred at a cavitation number of 1.
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Mora, Araque Luis. "Port-Hamiltonian modeling of fluid-structure interactions in a longitudinal domain." Thesis, Bourgogne Franche-Comté, 2020. http://www.theses.fr/2020UBFCD058.

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L'interaction fluide-structure (FSI) est un problème multi-physique (avec plusieurs domaines physiques) qui étudie l'action réciproque entre une structure et un écoulement de fluide à travers une surface ou une interface de couplage. Mathématiquement, l'interaction fluide-structure est décrite par un ensemble d'équations différentielles et de conditions aux limites, obtenues par une formulation d'Euler-Lagrange et les équations de Navier-Stokes, qui appartiennent respectivement à la structure et aux domaines fluides. Le comportement de FSI peut être étudié à l'aide de solutions numériques utilisant des méthodes d'éléments finis ou de différences finies. Une alternative à Euler-Lagrange dans la modélisation des systèmes physiques à économie d'énergie est le cadre port-hamiltonien, dans lequel la dynamique du système est décrite par une fonction non négative représentant l'énergie totale stockée dans le système, appelée Hamiltonian H. Le port -Le cadre Hamiltonien permet la modélisation du transfert d'énergie entre systèmes de différents domaines physiques. Un exemple intéressant de FSI est le mécanisme de production vocale des cordes vocales, où le flux d'air intraglottal génère un cycle de vibration qui produit la phonation. Dans ce contexte, les modèles numériques des cordes vocales sont pertinents pour explorer les effets de certaines procédures thérapeutiques ou chirurgicales. Ces dernières années, on s’intéresse de plus en plus à l’étude du flux d’énergie dans la glotte pour l’analyse de la physiopathologie des troubles de la voix. L'étude de ce type de système multi-physique peut être étendue à d'autres systèmes FSI dans lesquels un fluide en mouvement dans un domaine longitudinal interagit avec un système mécanique en mouvement transversal. Dans cette thèse, un modèle évolutif en dimension finie pour les systèmes FSI sera développé. La division du problème fluide-structure en n sous-systèmes interconnectés décrits par des modèles de dimension finie constitue une alternative à la formulation traditionnelle à dimension infinie. De plus, l'utilisation du cadre port-hamiltonien pour décrire la dynamique permet une caractérisation adéquate du flux d'énergie dans le système. Le but de cette étude est donc de développer un modèle dimensionnel dimensionnel et évolutif, axé sur le flux d’énergie pour les systèmes à structure fluide dans un domaine longitudinal et s’appliquant aux plis vocaux
Fluid-structure interaction (FSI) is a multi-physics problem (with multiple physic domains) that study the reciprocal action between a structure and a fluid flow through a coupling surface or interface. Mathematically, Fluid-structure interaction is described by a set of differential equations and boundary conditions, obtained by an Euler-Lagrange formulation and the Navier-Stokes equations, which belong to the structure an fluid domains respectively. The behavior of FSI can be studied through numerical solutions using finite elements or finite differences methods. An alternative to Euler-Lagrange in the modeling of the energy-conserving physical systems is the port-Hamiltonian framework where the system dynamics are described through a non-negative function that represents the total stored energy in the system, called Hamiltonian H. The port-Hamiltonian framework allows the modeling of the energy transfer between systems in different physical domains. An interesting example of a FSI is the voice production mechanism of the vocal folds, where the intraglottal airflow generates a vibration cycle that produces the phonation. In this context, numerical models of the vocal folds are relevant to explore the effects of certain therapeutic or surgical procedures. In recent years there has been a growing interest in the study of energy flux in the glottis for analysis of pathophysiology of vocal disorders. The study of this kind of multi-physics system can be extended to other FSI system where a fluid moving in a longitudinal domain interacts with a mechanical system that move in the transversal dimension. In this thesis, a scalable finite-dimensional model for FSI systems will be developed. The division of fluid-structure problem into n interconnected sub-systems described by finite-dimensional models, provide an alternative to the traditional infinite-dimensional formulation. In addition, the use of port-Hamiltonian framework to describe the dynamics allows an adequate characterization of the energy flux in the system. Thus, the aim of this study develop a scalable finite-dimensional model focused in the energy flux for fluid-structure systems in a longitudinal domain with application to vocal folds
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Nové-Josserand, Clotilde. "Converting wave energy from fluid-elasticity interactions." Thesis, Sorbonne Paris Cité, 2018. http://www.theses.fr/2018USPCC124/document.

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Le développement des systèmes houlomoteurs ainsi que la gestion du littoral reposent sur une bonne compréhension des mécanismes liés aux interactions houle-structure. Dans cette thèse, nous nous intéressons à l'étude d'un champ de structures flexibles soumises à des ondes de surface, en vue de développer un système qui puisse à la fois atténuer les vagues et absorber l'énergie qui leur est associée de manière efficace. Les résultats présentés se basent autour d'expériences réalisées dans des installations de petite échelle, dans lesquelles la disposition spatiale des objets flexibles est le principal paramètre étudié. Dans un premier temps, nous caractérisons notre champ modèle afin d'évaluer l'influence de divers paramètres (configuration, flexibilité, fréquences des vagues) sur la distribution de l'énergie dans le système. Sur la base de ces résultats, nous développons ensuite un modèle d'interférences permettant de décrire les observations globales du système à partir de paramètres locaux connus, associés à une portion unitaire du champ. Ce modèle nous sert ensuite d'outil pour l'exploration d'une multitude de configurations spatiales, afin de déterminer le choix optimal vis-à-vis de l'atténuation et de l'absorption des vagues incidentes. Enfin, une campagne de mesures supplémentaire est utilisée afin d'expliquer les résultats obtenus avec le modèle et d'identifier les principes sous-jacents à cette optimisation
Understanding the mechanisms involved in wave-structure interactions is of high interest for the development of efficient wave energy harvesters as well as for coastal management. In this thesis, we study the interactions of surface waves with a model array of slender flexible structures, in view of developing an efficient system for both attenuating and harvesting wave energy. The presented results are based around experimental investigations, by means of small scale facilities, in which the spatial arrangement of the flexible objects is the key parameter of study. The model array is first characterised by evaluating the role played by various parameters (configuration, flexibility, wave frequency) on the energy distribution in our system. Following these first observations, an interference model is then developed in order to describe the observed global effects of the array on both the wave field and the blade dynamics, based on known local parameters of a unit item of the array. This model then serves as a tool for exploring many possible array configurations, in order to determine the optimal choice regarding both the attenuation and the absorption of the imposed waves. A final experimental study is presented, in which the key results from the interference model are evaluated and the underlying principles of array optimisation are identified
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Law, Adam Daniel. "Structure and interactions of colloidal particles at fluid interfaces." Thesis, University of Hull, 2011. http://hydra.hull.ac.uk/resources/hull:4716.

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The structure and stability of colloidal monolayers depends crucially on the effective pair interaction potential between colloidal particles. In the first part of the thesis, we present two novel methods for extracting the pair potential from the two-dimensional radial distribution function of dense colloidal monolayers. The first is a so-called Predictor-Corrector routine that replaces the conventionally unknown Bridge function, with an iteratively obtained hard-disk bridge function. The second method is based on the Ornstein-Zernike relation and the HMSA closure that contains a single fitting parameter which is determined by requiring thermodynamic consistency between the virial and compressibility equations of state. The accuracy of these schemes are tested against Monte Carlo simulation data from monolayers interacting via a wide range of commonly encountered pair potentials. We also test the stability of these methods with respect to noise levels and truncation of the source data to mimic experimentally obtained structural data. Finally we apply these inversion schemes to experimental pair correlation function data obtained for charged polystyrene particles adsorbed at an oil/water interface. We find that the pair interaction potential is purely repulsive at low densities, but an attractive component develops at higher densities. The origin of this attractive component at higher densities is at present unknown.In the second part of this thesis, we study how the colloid interactions studied above influence the structure of the colloidal monolayer. Specifically inspired by recent experimental results on mixed monolayers of large and small very hydrophobic silica particles at an octane/water interface, we study theoretically the structure of two-dimensional binary mixtures of colloidal particles interacting via a dipole-dipole potential. We find that at zero temperature, a rich variety of binary crystal structures are obtained whose structure depends on the dipole moment ratio and the number fraction of small particles. At experimentally relevant finite temperatures, we find that the AB2 and AB6 binary super-lattice structures are thermodynamically stable while other binary structures e.g. AB5, which are stable at zero temperature, are thermodynamically unstable at finite temperature. Specifically, the melting temperature of the AB5 system is found to be three orders of magnitude lower than that of the AB2 and AB6 systems and at experimentally relevant temperatures, melts into a semi-disordered phase with local AB6 order.
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Wang, Xiaodong. "On mixed finite element formulations for fluid-structure interactions." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/38061.

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Nielson, Joseph R. "Three Dimensional Characterization of Vocal Fold Fluid Structure Interactions." BYU ScholarsArchive, 2012. https://scholarsarchive.byu.edu/etd/3662.

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Voice quality is strongly linked to quality of life; those who suffer from voice disorders are adversely affected in their social, family, and professional relationships. An effort has been made to more fully understand the physics behind how the voice is created, specifically the fluid structure interactions that occur during vocal fold vibration. Many techniques have been developed and implemented to study both the motion of the vocal folds and the airflow that creates the motion. Until recently these techniques have sought to understand a highly three-dimensional phenomenon with 1D or 2D perspectives.This research focuses on the development and implementation of an experimental technique to obtain three-dimensional characterizations of vocal fold motion and fluid flow. Experiments were performed on excised human vocal fold models at the University Hospital Erlangen Medical School in Erlangen, Germany. A novel technique for tracking the motion of the vocal folds using multiple camera viewpoints and limited user interaction was developed. Four high-speed cameras (2000 fps) recorded an excised vocal fold model vibrating at 250 Hz. Based on the images from these four cameras a fully 3D reconstruction of the superior surface of the vocal folds was achieved. The 3D reconstruction of 70 consecutive time steps was assembled to characterize the motion of the vocal folds over eight cycles. The 3D reconstruction accurately modeled the observed behavior of vocal fold vibration with a clearly visible mucosal wave. The average reprojection error for this technique was on par with other contemporary techniques (~20 micrometers). A whole field, time resolved, three-dimensional reconstruction of the vocal fold fluid flow was obtained using synthetic aperture particle image velocimetry. Simultaneous 3D flow fields, subglottal pressure waves, and superior surface motion were presented for 2 consecutive cycles of oscillation. The vocal fold fluid flow and motion measurements correlated with behavior observed in previous three-dimensional studies. A higher resolution view of one full cycle of oscillation was compiled from 16 time resolved data sets via pressure data. The result was a full three-dimensional characterization of the evolution and disintegration of the glottal jet.
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Books on the topic "Fluid structure interactions"

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Richter, Thomas. Fluid-structure Interactions. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-63970-3.

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Fluid-structure interactions: Slender structures and axial flow. Kidlington, Oxford: Academic Press is an imprint of Elsevier, 2014.

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Fluid-structure interactions: Slender structures and axial flow. San Diego, CA: Academic Press, Inc., 1998.

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Howe, M. S. Acoustics of fluid-structure interactions. Cambridge: Cambridge University Press, 1998.

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Howe, M. S. Acoustics of fluid-structure interactions. Cambridge, UK: Cambridge University Press, 1998.

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Modarres-Sadeghi, Yahya. Introduction to Fluid-Structure Interactions. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-85884-1.

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El Hami, Abdelkhalak, and Bouchaib Radi. Fluid-Structure Interactions and Uncertainties. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119388937.

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Habault, Dominique, ed. Fluid-Structure Interactions in Acoustics. Vienna: Springer Vienna, 1999. http://dx.doi.org/10.1007/978-3-7091-2482-6.

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Dominique, Habault, ed. Fluid-structure interactions in acoustics. Wien: Springer, 1999.

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Braza, Marianna, Yannick Hoarau, Yu Zhou, Anthony D. Lucey, Lixi Huang, and Georgios E. Stavroulakis, eds. Fluid-Structure-Sound Interactions and Control. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4960-5.

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Book chapters on the topic "Fluid structure interactions"

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Doyle, James F. "Structure–Fluid Interactions." In Wave Propagation in Structures, 327–60. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-59679-8_9.

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Saouma, Victor E., and M. Amin Hariri-Ardebili. "Fluid Structure Interactions." In Aging, Shaking, and Cracking of Infrastructures, 381–404. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-57434-5_16.

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Richter, Thomas. "Coupled Fluid-structure Interactions." In Lecture Notes in Computational Science and Engineering, 79–115. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-63970-3_3.

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Filippi, P. J. T. "Modelling of Fluid/Structure Interactions." In Fluid-Structure Interactions in Acoustics, 1–50. Vienna: Springer Vienna, 1999. http://dx.doi.org/10.1007/978-3-7091-2482-6_1.

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Raymond, Jean-Pierre. "Control of Fluids and Fluid-Structure Interactions." In Encyclopedia of Systems and Control, 160–67. London: Springer London, 2015. http://dx.doi.org/10.1007/978-1-4471-5058-9_15.

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Raymond, Jean-Pierre. "Control of Fluids and Fluid-Structure Interactions." In Encyclopedia of Systems and Control, 1–9. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-5102-9_15-1.

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Richter, Thomas. "Optimization with Fluid-structure Interactions." In Lecture Notes in Computational Science and Engineering, 357–69. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-63970-3_9.

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Modarres-Sadeghi, Yahya. "A Flexible Pipe Conveying Fluid." In Introduction to Fluid-Structure Interactions, 147–87. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-85884-1_7.

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Juvé, D., Ch Bailly, Ch Durant, and G. Robert. "Vibroacoustics of Flow-Excited Structures." In Fluid-Structure Interactions in Acoustics, 51–86. Vienna: Springer Vienna, 1999. http://dx.doi.org/10.1007/978-3-7091-2482-6_2.

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Peake, N. "Some Analytical Methods for Fluid-Structure Interaction Problems." In Fluid-Structure Interactions in Acoustics, 87–134. Vienna: Springer Vienna, 1999. http://dx.doi.org/10.1007/978-3-7091-2482-6_3.

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Conference papers on the topic "Fluid structure interactions"

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Sinclair, G. B., X. Chi, and T. I.-P. Shih. "Stress singularities produced by fluid structure interactions." In FLUID STRUCTURE INTERACTION 2009. Southampton, UK: WIT Press, 2009. http://dx.doi.org/10.2495/fsi090231.

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Barreiro, A., A. J. C. Crespo, J. M. Domínguez, and M. Gómez-Gesteira. "Smoothed particle hydrodynamics applied in fluid structure interactions." In FLUID STRUCTURE INTERACTION 2013. Southampton, UK: WIT Press, 2013. http://dx.doi.org/10.2495/fsi130071.

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Bin, J., W. S. Oates, and M. Y. Hussaini. "Fluid-structure interactions of fast photomechanical liquid crystal elastomers driven by light." In Fluid Structure Interaction 2011. Southampton, UK: WIT Press, 2011. http://dx.doi.org/10.2495/fsi110091.

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Zawawi, M. H., N. H. Hassan, M. Z. Ramli, N. M. Zahari, M. R. M. Radzi, A. Saleha, A. Salwa, L. M. Sidek, Z. C. Muda, and M. A. Kamaruddin. "Fluid-structure interactions study on hydraulic structures: A review." In GREEN DESIGN AND MANUFACTURE: ADVANCED AND EMERGING APPLICATIONS: Proceedings of the 4th International Conference on Green Design and Manufacture 2018. Author(s), 2018. http://dx.doi.org/10.1063/1.5066885.

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Fitzgerald, Timothy, Marcelo Valdez, Sergio Preidikman, and Balakumar Balachandran. "Thin Flapping Wings: Structural Model and Fluid-Structure Interactions." In 51st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference
18th AIAA/ASME/AHS Adaptive Structures Conference
12th. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2010. http://dx.doi.org/10.2514/6.2010-2962.

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McMurtry, Patrick, James Guilkey, and Todd Harman. "Modeling fluid-structure interactions in fires and explosions." In 30th Fluid Dynamics Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1999. http://dx.doi.org/10.2514/6.1999-3647.

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Peng, Wen, Zhaoyan Zhang, George Gogos, and George Gazonas. "Fluid Structure Interactions for Blast Wave Mitigation." In 38th Fluid Dynamics Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2008. http://dx.doi.org/10.2514/6.2008-4418.

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Lasiecka, Irena, and Amjad Tuffaha. "Boundary feedback control in Fluid-Structure Interactions." In 2008 47th IEEE Conference on Decision and Control. IEEE, 2008. http://dx.doi.org/10.1109/cdc.2008.4738966.

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Boustani, Jonathan, Oliver M. Browne, Jonathan Wenk, Michael F. Barad, Cetin C. Kiris, and Christoph Brehm. "Fluid-Structure Interactions with Geometrically Nonlinear Deformations." In AIAA Scitech 2019 Forum. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2019. http://dx.doi.org/10.2514/6.2019-1896.

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Paschen, Mathias, Gerd Niedzwiedz, and Hans-Joachim Winkel. "Fluid Structure Interactions at Towed Fishing Gears." In ASME 2004 23rd International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2004. http://dx.doi.org/10.1115/omae2004-51525.

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From the point of view of mechanics, trawls are considered as extremely flexible and partly extensible rope and net structures which are exposed to flow. Form and loads of such gears mainly depend on the corresponding velocity of inflow and also on the so-called rigging elements that are required for the horizontal and vertical spreading of the fishing gear. At the same time the fishing gear is acting on the surrounding fluid. These reactions can on the one hand lead to unsteady states in the fishing gear. On the other hand changes of pressure and velocity can be detected by the fish and can possibly influence the selectivity of the fishing gear. This lecture is focused on the presentation of special numerical and experimental methods both for calculating large net systems and for analysing the reactions of the structure to the fluid.
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Reports on the topic "Fluid structure interactions"

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Flippen, Luther D., and Jr. An Overview of the Common Fluid Models Used in Fluid-Structure Interactions. Fort Belvoir, VA: Defense Technical Information Center, August 1991. http://dx.doi.org/10.21236/ada239277.

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Casper, Katya Marie, Steven J. Beresh, John F. Henfling, Russell Wayne Spillers, and Patrick Hunter. Fluid-Structure Interactions using Controlled Disturbances on a Slender Cone in Hypersonic Flow. Office of Scientific and Technical Information (OSTI), September 2016. http://dx.doi.org/10.2172/1562206.

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Alonso, Juan J., and Gianluca Iaccarino. Large-Scale Uncertainty and Error Analysis for Time-dependent Fluid/Structure Interactions in Wind Turbine Applications. Office of Scientific and Technical Information (OSTI), August 2013. http://dx.doi.org/10.2172/1163731.

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Armero, Francisco. Numerical Analysis of Constrained Dynamical Systems, with Applications to Dynamic Contact of Solids, Nonlinear Elastodynamics and Fluid-Structure Interactions. Fort Belvoir, VA: Defense Technical Information Center, December 2000. http://dx.doi.org/10.21236/ada387568.

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Couch, R., and D. P. Ziegler. High Performance Parallel Processing (HPPP) Finite Element Simulation of Fluid Structure Interactions Final Report CRADA No. TC-0824-94-A. Office of Scientific and Technical Information (OSTI), January 2018. http://dx.doi.org/10.2172/1418949.

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Torres, Marissa, Michael-Angelo Lam, and Matt Malej. Practical guidance for numerical modeling in FUNWAVE-TVD. Engineer Research and Development Center (U.S.), October 2022. http://dx.doi.org/10.21079/11681/45641.

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This technical note describes the physical and numerical considerations for developing an idealized numerical wave-structure interaction modeling study using the fully nonlinear, phase-resolving Boussinesq-type wave model, FUNWAVE-TVD (Shi et al. 2012). The focus of the study is on the range of validity of input wave characteristics and the appropriate numerical domain properties when inserting partially submerged, impermeable (i.e., fully reflective) coastal structures in the domain. These structures include typical designs for breakwaters, groins, jetties, dikes, and levees. In addition to presenting general numerical modeling best practices for FUNWAVE-TVD, the influence of nonlinear wave-wave interactions on regular wave propagation in the numerical domain is discussed. The scope of coastal structures considered in this document is restricted to a single partially submerged, impermeable breakwater, but the setup and the results can be extended to other similar structures without a loss of generality. The intended audience for these materials is novice to intermediate users of the FUNWAVE-TVD wave model, specifically those seeking to implement coastal structures in a numerical domain or to investigate basic wave-structure interaction responses in a surrogate model prior to considering a full-fledged 3-D Navier-Stokes Computational Fluid Dynamics (CFD) model. From this document, users will gain a fundamental understanding of practical modeling guidelines that will flatten the learning curve of the model and enhance the final product of a wave modeling study. Providing coastal planners and engineers with ease of model access and usability guidance will facilitate rapid screening of design alternatives for efficient and effective decision-making under environmental uncertainty.
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Couch, R. High performance parallel processing (HPPP) finite element simulation of fluid structure interactions CRADA No. TC-0824-94-A - Final CRADA Report. Office of Scientific and Technical Information (OSTI), October 1999. http://dx.doi.org/10.2172/756374.

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Benaroya, Haym, and Timothy Wei. Modeling Fluid Structure Interaction. Fort Belvoir, VA: Defense Technical Information Center, September 2000. http://dx.doi.org/10.21236/ada382782.

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Zhu, Minjie, and Michael Scott. Two-Dimensional Debris-Fluid-Structure Interaction with the Particle Finite Element Method. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, April 2024. http://dx.doi.org/10.55461/gsfh8371.

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In addition to tsunami wave loading, tsunami-driven debris can cause significant damage to coastal infrastructure and critical bridge lifelines. Using numerical simulations to predict loads imparted by debris on structures is necessary to supplement the limited number of physical experiments of in-water debris loading. To supplement SPH-FEM (Smoothed Particle Hydrodynamics-Finite Element Method) simulations described in a companion PEER report, fluid-structure-debris simulations using the Particle Finite Element Method (PFEM) show the debris modeling capabilities in OpenSees. A new contact element simulates solid to solid interaction with the PFEM. Two-dimensional simulations are compared to physical experiments conducted in the Oregon State University Large Wave Flume by other researchers and the formulations are extended to three-dimensional analysis. Computational times are reported to compare the PFEM simulations with other numerical methods of modeling fluid-structure interaction (FSI) with debris. The FSI and debris simulation capabilities complement the widely used structural and geotechnical earthquake simulation capabilities of OpenSees and establish the foundation for multi-hazard earthquake and tsunami simulation to include debris.
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Isaac, Daron, and Michael Iverson. Automated Fluid-Structure Interaction Analysis. Fort Belvoir, VA: Defense Technical Information Center, February 2003. http://dx.doi.org/10.21236/ada435321.

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