blood flow simulation in a stenotic vessel surrounded by biological tissue
محل انتشار: بیستمین کنفرانس مهندسی پزشکی ایران
سال انتشار: 1392
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,004
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شناسه ملی سند علمی:
ICBME20_015
تاریخ نمایه سازی: 25 فروردین 1394
چکیده مقاله:
an abnormal narrowing of a blood vessel stenosis is investigated in this study the present work provides a simulation of blood in a vessel with 50%stenosis in addition the effects of tissue surrounding the blood vessel on displacements and stresses in stenotic vessel wall are considered the analysis consists of two distinct but coupled procedures: first,a fluid-dynamics analysis including a calculation of the velocity field and pressure distribution in the blood variable in time and in space: second ,a mechanical analysis of the deformation of the tissue and vessel to do so COMSOL multiphysics as a powerful software was used to simulate the wall-blood interaction the diameter of vessel is 8millimeters and the blood assumed to be a newtonian and incompressible fluid in addition to the walls of vessel and surrounding biological tissue were assumed to be a hyper -elastic material .
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نویسندگان
mehdi navidbakhsh
associate professor biomechanics group dep.mechanical engineering iran university of science and tech tehran iran
h monshizadeh
m.sstudent biomechanics group dept mechanical engineering iran university of science and tech tehran iran
m javidi
m.sstudent biomechanics group dept mechanical engineering iran university of science and tech tehran iran
sh rahmani
m.sstudent biomechanics group dept mechanical engineering iran university of science and tech tehran iran