نتایج جستجو برای: fluid absent condition

تعداد نتایج: 574671  

2008
B. Betz D. Henkel D. H. Rischke

We present the results of deriving the Israel-Stewart equations of relativistic dissipative fluid dynamics from kinetic theory via Grad’s 14-moment expansion. Working consistently to second order in the Knudsen number, these equations contain several new terms which are absent in previous treatments.

Journal: :Arquivos de neuro-psiquiatria 1995
O A Moreno-Carvalho C M Nascimento-Carvalho B Galvão-Castro

In order to evaluate if there is variation on the intensity of cerebral spinal fluid (CSF) response during HTLV-I associated tropical spastic paraparesis (TSP) evolution we retrospectively reviewed 128 cases. The results indicate that although CSF inflammatory alterations can persist over a 10-year period, they tend to become slight or even absent after the second year of TSP evolution.

ژورنال: مهندسی دریا 2019

The biomimetic and hydrodynamic study of aquatic animals is one of the most challenging computational fluid dynamics topics in recent studies due to the complexity of body geometry and the type of flow field. The movement of the aquatic body, and particularly the tail section and the corresponding movement of fluid around the body, causes an unsteady flow and requires a comprehensive study of t...

2008
Jing Tang Xing

A fluid–structure interaction system subject to Sommerfeld’s condition is defined as a Sommerfeld system which is divided into three categories: Fluid Sommerfeld (FS) System, Solid Sommerfeld (SS) System and Fluid Solid Sommerfeld (FSS) System of which Sommerfeld conditions are imposed on a fluid boundary only, a solid boundary only and both fluid and solid boundaries, respectively. This paper ...

An analytical approach is presented to assess the response of offshore structures under seismic excitation. This paper evaluates the impacts of different fluid field models and the mass of equipment at the top of offshore structure which is simulated as lumped mass on the responses of offshore structures. To do this, two and three dimensional fluid field models are developed. In three dimension...

Journal: :Geophysical Research Letters 2021

Geophysical observations including surface heat flow data indicate the subducting slab becomes fully coupled to overlying mantle wedge at ?70–80 km depth. This maximum depth of decoupling (MDD) separates cool, stagnant forearc from warmer, convecting capable generating arc magmas. Thermodynamic calculations demonstrate that talc is stable in H2O-undersaturated parts where its stability controll...

Journal: :international journal of advanced design and manufacturing technology 0
mohammad mehdi ghaitani islamic azad university - khomeinishahr branch ali ghorbanpour arani university of kashan hasan khademizadeh islamic azad university-khomeinishahr branch, country iran

in this paper, nonlinear vibration and instability response of an embedded pipe conveying viscose fluid is investigated. the pipe is considered as a timoshenko beam embedded on an elastic foundation which is simulated by spring constant of the winkler-model and the shear constant of the pasternak-model. the external flow force, acting on the beam in the direction of the flexural displacement is...

2016
Aaron W. Aday Piotr S. Sobieszczyk Joshua A. Beckman

Patient presentation: An otherwise healthy 29-year-old white woman presented to our emergency department with leg pain and edema. She was well until 2 weeks before, when she developed lower back pain following a 3-hour flight. Her pain progressed despite treatment with ice packs, nonsteroidal anti-inflammatory drugs, and stretching, and it became so severe that she was unable to sit comfortably...

2011
Thomas H. LaBean Tauseef R. Butt Stuart A. Kauffman Erik A. Schultes

Biological proteins are known to fold into specific 3D conformations. However, the fundamental question has remained: Do they fold because they are biological, and evolution has selected sequences which fold? Or is folding a common trait, widespread throughout sequence space? To address this question arbitrary, unevolved, random-sequence proteins were examined for structural features found in f...

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