|
|
|
|
|
Peng-Bo Zheng, Zhou-Hao Zhang, Hong-Sheng Zhang and Xue-Yi Zhao
Herein, a numerical model is proposed to simulate the nonlinear wave propagation from deep to shallow water and wave breaking phenomena. In the numerical model, the governing equations selected, in which the momentum equations were added to the eddy-visc...
ver más
|
|
|
|
|
|
|
|
|
|
|
Lei Zhang, Yu Wang, Wei Fan, Yuan Gao, Yiwen Sun and Yu Bai
The initiation and propagation of cracks are crucial to the reliability and stability of thermal barrier coatings (TBCs). It is important and necessary to develop an effective method for the prediction of the crack propagation behavior of TBCs. In this s...
ver más
|
|
|
|
|
|
|
|
|
|
|
Tiankui Guo, Zhanqing Qu, Facheng Gong and Xiaozhi Wang
Conventional hydraulic fracturing is not effective in target oil development zones with available wellbores located in the azimuth of the non-maximum horizontal in-situ stress. To some extent, we think that the radial hydraulic jet drilling has the funct...
ver más
|
|
|
|
|
|
|
|
|
|
|
Eva Grünwald, René Hammer, Robert Nuster, Philipp Aldo Wieser, Martin Hinderer, Ingo Wiesler, Rudolf Zelsacher, Michael Ehmann and Roland Brunner
Aluminium coatings and their characterization are of great interest in many fields of application, ranging from aircraft industries to microelectronics. Here, we present the simulation of acoustic wave propagation in aluminium coatings via the elastodyna...
ver más
|
|
|
|
|
|
|
|
|
|
|
Eva Grünwald, René Hammer, Robert Nuster, Philipp Aldo Wieser, Martin Hinderer, Ingo Wiesler, Rudolf Zelsacher, Michael Ehmann and Roland Brunner
-
|
|
|
|
|
|
|
|
|
|
|
Wansen Guo, Jinshen Wang, Chao Shi, Jianhong Chen, Wenhui Zeng, Guoxiao He and Kunying Ding
On the aero-engine combustor liner, a phenomenon of overheating resembling a hot spot exists, accompanied by a preferential peeling of the YSZ thermal barrier coating that will negatively affect the service life of the component. The hot spot temperature...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yiwei Liu, Yi Hu and Yong Kang
Natural fractures play a significant role in creating a fracture network simulation treatment. In this work, global cohesive elements were incorporated into the cohesive zone method to realize the unprompted propagation of a hydraulic fracture. The step-...
ver más
|
|
|
|
|
|
|
|
|
|
|
Konstantinos Tserpes, Kosmas Papadopoulos, Selen Unaldi and Laurent Berthe
An explicit 3D Finite Element (FE) model was developed in the LS-Dyna code to simulate the laser shock paint stripping on aircraft aluminum substrates. The main objective of the model is to explain the physical mechanisms of the laser shock stripping pro...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yongmei Zhu, Rujun Li and Jiahao Yang
This study focused on the three-dimensional surface crack growth of a spherical pressure shell. Eight maraging steel 18Ni (250) samples were fabricated and tested, and the fatigue crack growth rate curves were obtained. Considering the influence of plast...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ivana Gledic, Antonio Mikulic and Jo?ko Parunov
Specialized procedures to help in the emergency response situations following ship accidents have been under development by the Classification Societies. Such procedures consider the hull-girder collapse as the most important failure mode, without the po...
ver más
|
|
|
|
|
|
|
|
|
|
|
Fei Wang and Meng Wang
In civil, geotechnical, and mining engineering, the investigation of the holes? effect on dynamic crack propagation is essential because it can be used to predict possible fracture and protect cracked structures being further damaged. In this paper, a sp...
ver más
|
|
|
|
|
|
|
|
|
|
|
Victor A. Kulikov, Svetlana L. Lachinova, Mikhail A. Vorontsov and Venkata S. Rao Gudimetla
A concept of atmospheric turbulence characterization using laser light backscattered off a moving unresolved target or a moving target with a glint is considered and analyzed through wave-optics numerical simulations. The technique is based on analysis o...
ver más
|
|
|
|
|
|
|
|
|
|
|
Fei Wang, Meng Wang, Mohaddeseh Mousavi Nezhad, Hao Qiu, Peng Ying and Caoyuan Niu
The objective of this paper is to investigate the complete process of dynamic crack propagation in brittle materials under different loading rates. By using Improved Single Cleavage Semi-Circle (ISCSC) specimens and Split Hopkinson Pressure Bar equipment...
ver más
|
|
|
|
|
|
|
|
|
|
|
Khaled Ben Abdessalem, Ridha Ben Saleh
Pág. 25 - 32
In the present work, an appropriate method allowing accurate determinations of the position of arterial severe stenosis and full obstruction in the arterial vessels has been developed. This method requires measurements of instantaneous flow velocity and ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Daniel Papán, Emma Brozová and Zuzana Papánová
The use of small-scale models is an important area of research today. An investigation is conducted on the response of a small-scale model?s vibrating surface. For this model, a small-scale surface explosion is used for loading. According to the article,...
ver más
|
|
|
|
|
|
|
|
|
|
|
Romain Robert, Pauline Souloumiac, Philippe Robion and Christian David
Knowledge of the paleo-stress distribution is crucial to understand the fracture set up and orientations during the tectonic evolution of a basin, and thus the corresponding fluid flow patterns in a reservoir. This study aims to predict the main stress o...
ver más
|
|
|
|
|
|
|
|
|
|
|
Giacomo Rismondo, Marta Cianferra and Vincenzo Armenio
The present paper contains the results of the numerical analysis of the interaction between a Newtonian incompressible turbulent flow and a linear elastic slender body, together with the influence of the fluid?structure interaction (FSI) on the noise gen...
ver más
|
|
|
|
|
|
|
|
|
|
|
Christoph Fuchß,Stefan Stieglitz,Oliver Hillmann,Christoph Lattemann
Many communication devices, like mobile phones and PDAs, are enabled for near field communication by using Bluetooth. Many approaches dealt so far with the attempt to transfer mobile ad-hoc networks (MANET) to the mechanism of the â??fixed internet
|
|
|
|
|
|
|
|
|
|
|
Ramses Mourhatch and Swaminathan Krishnan
Seismic wave-propagation simulations are limited in their frequency content by two main factors: (1) the resolution of the seismic wave-speed structure of the region in which the seismic waves are propagated through; and (2) the extent of our understandi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Shihao Wang, Xiangyu Yu, Philip H. Winterfeld and Yu-Shu Wu
Real-time simulation of hydraulic fracturing operations is of critical importance to the field-scale stimulation applications. In this paper, we present an efficient yet reasonably accurate program for the numerical modeling of dynamic fractures. Our pro...
ver más
|
|
|
|
|
|