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High-intensity focused ultrasound (HIFU) has become a viable alternative for treatment of primary and metastatic liver tumors. We evaluated the effects of presence of a large blood vessel and its distance to the tumor on lesion size during HIFU heating. A finite element method (FEM) was used to obtain the temperature distribution for a transfer equation based on large blood vessels convection effect...
In this article, elastic analysis for a cracked cylinder made of functionally graded materials (FGMs) is carried out. The crack is internal fully circumferential or external fully circumferential. The cylinder is subject to a longitudinal tension. The property of the FGMs is assumed to be exponential function in form. The finite element method is developed to solve the boundary value problem. An indirect...
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