18 May 2025 0 9K Report

If you had to choose from among traditional vaccines, which vaccine would you choose for making microneedle patches using the microfabrication method?

More Mohammadreza Razavizadeh's questions See All
How to calculate the apparent viscosity in porous media(the flow that has shear and elongation flow)?

According to the "chauveteau 1981" article, the apparent viscosity decreases at low shear rate and then increases after a critical shear rate. He didn't mention how to calculate the apparent...

16 April 2024 4,861 4 View

How much is the lift coefficients for the shear gradient force and the wall interaction force of NACA0030?

I need lift coefficients of NACA 0030 for simulate DLD microfluidic behavior in cell separation.

10 March 2024 9,796 0 View

How to make the pressure dimensionless when the Re number is changing?

Hello everyone I'm simulating some problem (fluid flow in a wavy channel) with increasing the Re number and i want to check pressure difference in it. I need the pressure difference to be...

04 March 2024 2,824 4 View

What percentage of error is acceptable for two graphs to be in-phase?

I have two graphs of pressure and velocity at a point over the time and they need to be in-phase . There is a small value of phase difference between these graphs. What percentage of this value is...

18 December 2023 3,427 4 View

Why doesn't the velocity fluctuate in a 2D wavy channel in high mesh number but it does in low mesh number?

hello everyone. i'm working on a fluid flow into a wavy channel and i wrote a time-varying equation code of pressure for inlet boundary condition of pressure in openfoam and set the...

05 December 2023 9,107 2 View

What boundary condition should i set for inlet and outlet of velocity to determine it based on pressure gradient?

Hello everyone. I'm working on a 2D wavy channel and simulating a fluid flow. I wrote a time_varying pressure equation code at the inlet boundary condition of P file in openfoam and set the zero...

27 November 2023 2,158 3 View

How and in what way do the different compounds formed in the intestine go to the brain?

some metabolic products that produced by probiotics such as SCFA and acetolactic how go and effects on brain function.

17 November 2023 4,992 3 View

How can I define a Hinge Joint (like Pin) for 2 separated discrete rigid shell surfaces in abaqus?

Dear Friends, I have a big problem defining a Hinge or (pin) joint between 2 separated discrete rigid which are both shell surfaces and one of them should be assembled with the rest single...

02 November 2023 8,055 2 View

How can I simulate DLD microfluidics in comsol?

How can I simulate laminar flow and particle tracing for DLD microfluidics in Comsol multiphysics?

16 October 2023 4,299 1 View

Does someone knows about continuous negative eigenvalues errors in abaqus for End Notched Flexture test on a composite beam with a precrack?

Dears, I confront some errors in abaqus for End Notched Flexture test on a composite beam with a precrack. There are 2 : The first is ((The system matrix has 3 negative eigenvalues)) during my...

14 October 2023 3,951 7 View

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