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Karla de Jesus, Helon V. H. Ayala, Kelly de Jesus, Leandro dos S. Coelho, Alexandre I.A. Medeiros, José A. Abraldes, Mário A.P. Vaz, Ricardo J. Fernandes and João Paulo Vilas-Boas
The surface and underwater video images were independently digitised frame-by-frame by the same operator using the Ariel Performance Analysis System (Ariel Dynamics Inc., USA) (e.g. Sanders et al., 2016 ). Image coordinates were transformed into 2D object-space coordinates with a Direct Linear Transformation algorithm ( Abdel-Aziz and Karara, 1971 ) with six calibration points ( de Jesus et al., 2013 , 2015 ) and a 5 Hz cut-off value has been selected for data filtering (2 nd order low-pass digital filter; de Jesus et al., 2015 ) according to residual
Tomasz Strzelecki, Anna Uciechowska-Grakowicz, Michał Strzelecki, Eugeniusz Sawicki and Łukasz Maniecki
isotropic medium in an elastic flow regime, which has been discussed in many works, including those of Polubarinova-Kochina P. J. (1962) and Wieczysty A. (1982) . This model is widely used in the example by Strzelecki (2014) for modelling of airport drainage system, also as its simplified 2D version, by Moharrami et al. (2015) for finding optimal geometry of cutoffwalls or Khalili Shayan & Amiri-Tokaldany (2015) for investigating the effectiveness of methods of reducing seepage and uplift pressure.
Due to the fact that the finite
Gianluca Rigatelli, Marco Zuin, Alan Fong, Truyen TTT Tai and Thach Nguyen
Effects of coronary stenting techniques are generally investigated regarding wall shear stress (WSS) or turbulence of flow at the lesion or bifurcation sites. [ 1 , 2 ] Recently, we speculated that ostial left main (LM) stenting potentially induces turbulence in the aortic wall near to the LM ostium. [ 3 ] Potential impact on the ascending aorta and arch have never been evaluated despite the fact that it would be logical that any turbulence induced outside the coronary tree can propagate at a certain distance within the aortic vasculature
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Qingxin Meng, Weiwei Ding, Bin Yang, Ninghua Fu and Guangming Lu
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anchors are progressively cutoff. Results of all simulations carried out show that once the foundation raft is installed, bending moments in the wall are decreasing. Therefore, the results for all of these time instances are not important in further structure dimensioning. It has to be emphasised here that each major excavation stage was carried out in three steps (maximum two layers of elements were removed in one computational step). In all simulations, the following HS model parameters for the subsoil were used:
E 0 r e f = 328000 kPa , ν = 0.2 , E 50 r e f
Gianluca Rigatelli, Marco Zuin, Fabio Dell’Avvocata, Aravinda Nanjundappa, Ramesh Daggubati and Thach Nguyen
. Through a cut-out, the obtained ring of the stent was propagated axially to create the full-length, expanded model. In our models, the artery walls and plaque components were assumed to be isotropic, linear and elastic with a constant Young’s modulus ( E ), density and Poisson’s ratio. For stent simulation, devices were modelled as a shell-type tube; the mechanical properties such as density and Poisson’s ratio were in accordance with the reported technical properties of the stent. The arterial wall thickness was considered to be constant at 0.5 mm. A 3-D reconstruction
section 200 perimeter at up to 5 levels, depending on the height of individual walls, symmetrically both inside and on the outside. The whole structure will be circumferentially reinforced at the cut-off level against the action of hydraulic jacks, acting synchronously with each other to symmetrically lift the structure off the ground. The raised structure should be fastened (perpendicular to the main axis of the building) to two HEB 300x300 I-sections (about 3 metres from the external walls of the building), which will be used to move the building. A door on the west