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Review of pipeline span analysis
2019
World Journal of Engineering
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A case study of the preliminary design of a typical 48 inches Pipeline has been presented in this work to demonstrate the use of the free span analysis tool, DNV RP F105. ...
Please refer to any applicable publisher terms of use. 2 fluid structure interaction problem as there is no consolidated procedure for its analysis. ...
(Kapuria, Salpekar, & Sengupta, 1999) , presented an analytical solution for fatigue response resulting from free spanning submarine pipeline cross flow vibration on semi-infinite elastic soil beds supports ...
doi:10.1108/wje-09-2017-0296
fatcat:54g6glb7zbe3bnomciu3ewqk5y
Wind-structure interaction simulations of ovalling vibrations in silo groups
2015
Journal of Fluids and Structures
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Chapter 4 starts by presenting the methodology for computational structural
analysis by means of the FE method. ...
Such self-excited vibrations occur when a structure in wind or fluid
flow is deflected or moved first, e.g. by some external aerodynamic force. ...
doi:10.1016/j.jfluidstructs.2015.09.013
fatcat:24mbwcb77nggxapzwgct3cbtiq
Parallel finite element modeling of earthquake ground response and liquefaction
2004
Earthquake Engineering and Engineering Vibration
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Nikishkov et al. (1998) developed a semi-implicit parallel FE code
ITAS3D using the domain decomposition method and a direct solver for an IBM SP2
computer. ...
In this soil-pile interaction model, a 3x3 pile group is embedded in a submerged mild infinite ground slope with an effective inclination angle of about 4° while subjected to strong base shaking. ...
Appendix B Figures of Wharf Simulation Results
Appendix B Figures of Wharf Simulation Results This appendix lists figures of the results for the wharf simulations discussed in Chapter 7. ...
doi:10.1007/bf02668848
fatcat:unurcxrwqvehhdfahnqsnmxbbu
Dynamic behaviour of an axially moving plate undergoing small cylindrical deformation submerged in axially flowing ideal fluid
2011
Journal of Fluids and Structures
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In the two-dimensional model thus set up, the aerodynamic reaction is found analytically as a functional of the cylindrical displacement, using the techniques of complex analysis. ...
Transverse displacement of the plate (assumed cylindrical), is described by an integrodifferential equation that includes a local inertia term, Coriolis and centrifugal forces, the aerodynamic reaction ...
Acknowledgement: This research was supported by the MASI Tekes Technology Programme and the Ellen and Artturi Nyyssönen Foundation (EANS). ...
doi:10.1016/j.jfluidstructs.2011.07.004
fatcat:7a4ygma2tbbwhazdfebmrcuege
State of the art in wind turbine aerodynamics and aeroelasticity
2006
Progress in Aerospace Sciences
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Finally, the coupling between the aerodynamic and structural modelling is shown in terms of possible instabilities and some examples. r ...
In between is explained some methods of intermediate complexity such as vortex and panel methods. Also the different approaches to structural modelling of wind turbines are addressed. ...
Finally, one of the latest trends is to couple NS solvers to structural codes to perform full elastic computations of wind turbine rotors. ...
doi:10.1016/j.paerosci.2006.10.002
fatcat:5y4khyztarbsrf7cbe4f3zsih4
Continuous Open Access Special Issue "Aircraft Design": Number 2 / 2020
[article]
2020
Zenodo
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As such, the Special Issue "Aircraft Design" can be a home for all those working in the field who regret the absence of an aircraft design journal. SI-2/2020 contains seven papers; an Editorial: 1.) ...
Activities in the past showed that aircraft design may be a field too small to justify its own (subscription-based) journal. A continuous open access special issue may fill the gap. ...
Acknowledgments: The presented work is part of the electro-impulse de-icing system for aircraft, which is funded by State Grid Corporation of China. ...
doi:10.5281/zenodo.4624993
fatcat:vkm2umjhcbekzba4x6rbt22pla
The neural bases of normalising for accented speech: A repetition suppression functional magnetic resonance imaging study
2008
Journal of the Acoustical Society of America
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Where the flap allophone of "t" and "d" is expected in American English, one frequently sees an approximant-like or even vocalic pattern, rather than a clear flap. ...
Degree of intensity dip has the strongest effect, with a minimal dip in intensity more likely to be perceived as 'kneel' and a strong dip in intensity more likely to be perceived as 'needle. ' The results ...
The presented FE model consists of two coupled domains: A fluid domain representing the air, and a structural domain representing the VFs. ...
doi:10.1121/1.2934685
fatcat:qqmjcl5gjzcj7kssv2pi6efwti
Neural network modeling of a dolphin's sonar discrimination capabilities
1994
Journal of the Acoustical Society of America
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The sound field scattered by a smooth thin elastic shell immersed in fluid arises largely from specular reflection and acoustic-membrane coupling, unless both source and observer are located near or on ...
We describe the vibration of a submerged elastic solid within a statistical energy analysis (SEA) framework. ...
Further, modes of submerged structures do not form a complete set, and the energy of oscillation in a fluid/solid mode is often irretrievable, independent of the coupling in the system. ...
doi:10.1121/1.410770
fatcat:ioiiov6bmjdi7kiflait5dhdfe
Neural network modeling of a dolphin's sonar discrimination capabilities
1995
Journal of the Acoustical Society of America
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The sound field scattered by a smooth thin elastic shell immersed in fluid arises largely from specular reflection and acoustic-membrane coupling, unless both source and observer are located near or on ...
We describe the vibration of a submerged elastic solid within a statistical energy analysis (SEA) framework. ...
Further, modes of submerged structures do not form a complete set, and the energy of oscillation in a fluid/solid mode is often irretrievable, independent of the coupling in the system. ...
doi:10.1121/1.413700
pmid:7608403
fatcat:m3nunzs4wfflhfl27n4shdn2n4
Fine‐structure processing, frequency selectivity and speech perception in hearing‐impaired listeners
2008
Journal of the Acoustical Society of America
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Where the flap allophone of "t" and "d" is expected in American English, one frequently sees an approximant-like or even vocalic pattern, rather than a clear flap. ...
Degree of intensity dip has the strongest effect, with a minimal dip in intensity more likely to be perceived as 'kneel' and a strong dip in intensity more likely to be perceived as 'needle. ' The results ...
The presented FE model consists of two coupled domains: A fluid domain representing the air, and a structural domain representing the VFs. ...
doi:10.1121/1.2935148
fatcat:nqyyia5pubamnhqgonegghrudm
Speaker comfort and increase of voice level in lecture rooms
2008
Journal of the Acoustical Society of America
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The file type is application/pdf.
Where the flap allophone of "t" and "d" is expected in American English, one frequently sees an approximant-like or even vocalic pattern, rather than a clear flap. ...
Degree of intensity dip has the strongest effect, with a minimal dip in intensity more likely to be perceived as 'kneel' and a strong dip in intensity more likely to be perceived as 'needle. ' The results ...
The presented FE model consists of two coupled domains: A fluid domain representing the air, and a structural domain representing the VFs. ...
doi:10.1121/1.2934367
fatcat:xr6gp4ldo5bylnxytx2iumrdmi
Predicting and auralizing acoustics in classrooms
2005
Journal of the Acoustical Society of America
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A complicating feature of fluid-structure interaction problems is the non-local or long-range effect of the fluid loading acting on a structure vibrating in response to time-harmonic loading while submerged ...
In the LGH reformulation, an infinite order operator that embodies both the structural modes and the evanescent component of the fluid loading governs the equivalent smooth global problem. ...
Rigid and empty elastic shells submerged in a heavy acoustic fluid and subjected to harmonic excitation were considered. ...
doi:10.1121/1.4787358
fatcat:xtcgzi3xrnay3eyww5uafbhtgy
Comparison of procedures for determination of acoustic nonlinearity of some inhomogeneous materials
1983
Journal of the Acoustical Society of America
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We model the downhole environment by an infinite fluid-filled cylinder surrounded by an infinite solid formation. ...
Thus, modeling this submerged structure by the finite element method requires a large number of fluid elements, when the radiation boundary condition is represented by an outgoing spherical (monopolar) ...
The method can be extended to a semi-infinite fluid-rifled crack in an elastic layer. ...
doi:10.1121/1.2020879
fatcat:eid6pixobjetzhkfpo6h2okzua
Spherical near field acoustic holography with microphones on a rigid sphere
2008
Journal of the Acoustical Society of America
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In the present paper technical aspects of the experiments and the data analysis will be illustrated. The principal conclusions were as follows: 1. ...
A grouping of the churches by typology was found by analysing the reverberation times; 3. ...
A finite element analysis of acoustic radiation in an infinite lined guide with mean flow is studied. ...
doi:10.1121/1.2934035
fatcat:57w2rziyfvcmnnyzsxlgg43qxa
Parameter survey of a rib stiffened wooden floor using sinus modes model
2008
Journal of the Acoustical Society of America
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In the present paper technical aspects of the experiments and the data analysis will be illustrated. The principal conclusions were as follows: 1. ...
A grouping of the churches by typology was found by analysing the reverberation times; 3. ...
A finite element analysis of acoustic radiation in an infinite lined guide with mean flow is studied. ...
doi:10.1121/1.2933934
fatcat:fmeouf2iynctnculdxzvoqb4iu
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