Connecting COMSOL with MATLAB?

Hi all, I want to connect matlab with COMSOL to collect data. Where i want to put a command in MATLAB and according to that command value of that parameter from the subdomain will be collected in...

11 December 2015 8,129 1 View

Solving dimensionless equations in COMSOL?

11 December 2015 7,804 15 View

Information relating to COMSOL solver?

Hi, I am using COMSOL software. I am having some problem understanding different parameters while using PARDISO linear system solver. What is pivoting perturbation? and why preordering algorithm...

11 December 2015 9,386 0 View

Any suggestions on a COMSOL Generalized alpha discretization scheme ?

Hi, Can anyone please tell me the numerical schemes used in generalized alpha scheme? Thanks Vivek

11 December 2015 8,221 0 View

RTD and mixing in plug flow or in continuous reactor?

Hi all, This is going to be a purely chemical engineering thing. We know that in ideal reactor, space time (Holding time) is the tideal=Volume of reactor/Volumetric flow rate. But real reactor...

06 July 2015 1,314 21 View

Any suggestions on the formation of bigger and smaller eddies in turbulent medium?

06 July 2015 5,866 69 View

Anyone familiar with convergence and under relaxation factors in fluent?

Hi , This is in relation to the effect of under relaxation factor on solution convergence.I have learned that if relaxation factors are reduced, then it takes huge time to reach the...

06 July 2015 9,708 7 View

What is the relation between viscous force and the inertial force?

Hi all, We all have regularly heard of the terms like viscous force and the inertial force. Now the viscous forces are the forces due to to the friction between the the layers of any real fluid....

06 July 2015 2,702 22 View

Finite element method?

04 May 2015 5,406 3 View

Anyone familiar with nodes and volume elements in fluent meshing CSTR?

04 May 2015 3,698 8 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View

Is there any test to determine the cardiovascular risk of patients with obesity? from the perspective of obesity?

We found tests to determine cardiovascular risk taking into account lipid profile, blood pressure, age, history of diabetes, other laboratories. But when weight is involved, there is a paradox. I...

02 March 2021 6,036 1 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

Sutter electrode holder leaking after applying positive pressure. How to fix?

I am using a Sutter electrode holder for my patch clamp experiments, but I'm having trouble keeping positive pressure inside my electrode due to a leak out of the back of the holder. I have added...

02 March 2021 5,829 1 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

How much pressure we can reduce at the outlet to avoid Reverse Flow?

I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...

01 March 2021 6,985 3 View

Exit velocity of natural gas from pressurized tank?

Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...

26 February 2021 6,253 3 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View