نتایج جستجو برای: multiple cracks

تعداد نتایج: 770726  

2017
Changhang Xu Jing Xie Wuyang Zhang Qingzhao Kong Guoming Chen Gangbing Song

Vibrothermography often employs a high-power actuator to generate heat on a specimen to reveal damage, however, the high-power actuator brings inconvenience to the application and possibly introduces additional damage to the inspected objects. This study uses a low-power piezoceramic transducer as the actuator of vibrothermography and explores its ability to detect multiple surface cracks in a ...

1998
J. H. Park S. N. Atluri

The ®nite element alternating method is extended further for analyzing multiple arbitrarily curved cracks in an isotropic plate under plane stress loading. The required analytical solution for an arbitrarily curved crack in an in®nite isotropic plate is obtained by solving the integral equations formulated by Cheung and Chen (1987a, b). With the proposed method several example problems are solv...

2014
Kaita Ito Hitoshi Kuriki Hiroshi Araki Seiji Kuroda Manabu Enoki

Numerous cracks can be observed in the top coat of thermal barrier coatings (TBCs) deposited by the atmospheric plasma spraying (APS) method. These cracks can be classified into vertical and horizontal ones and they have opposite impact on the properties of TBCs. Vertical cracks reduce the residual stress in the top coat and provide strain tolerance. On the contrary, horizontal cracks trigger d...

2005
W. T. ANG C. F. TELLES

The numerical construction of a Green’s function for multiple interacting planar cracks in an anisotropic elastic space is considered. The numerical Green’s function can be used to obtain a special boundary integral method for an important class of two-dimensional elastostatic problems involving planar cracks in an anisotropic body.

Journal: :Journal of the Society of Naval Architects of Japan 1996

Journal: :Transactions of Nonferrous Metals Society of China 2021

Journal: :Applied Mathematical Modelling 2012

2004
T. Zhang E. Nagy

We present a motion-based method to extract the multiple 3D crack surfaces from a sequence of 3D X-ray microtomographic mortar images. We verify the correctness and accuracy of results by ground truth obtained with simulated cracks in real specimens. We provide several three-dimensional measures of crack surface, including the number of cracks, surface area, volume, tortuosity, and permeability.

Journal: :Applied Mathematical Modelling 2012

Journal: :Journal of the Visualization Society of Japan 2003

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