Hello Faranak

In some cases it is analysed with micro pipe and other case there is in porous or mixe of them or if it relate to pressure, fluid structure may be usable.

Of course its respect to your analysis and size of your geometry.

سلام.ممنون بابت پاسخگوییتون

ببینید من میخوام ویسکوزیته رو از 

power law

به دست بیارم و در نهایت تنش برشی رو محاسبه کنم.توی فرمول 

power law 

هم برای نرخ تنش قصد دارم از کانتور

spf.srاستفاده کنم

شما در این زمینه تجربه ای دارید؟

hi, see the attached comsol file,

to model the blood sample, you have to focus on the viscosity and density of the blood sample. in the material section, define your required parameters for the blood sample. Although this model is not for power law however it may help you.