If the magnetic direction of any two black holes is made equal. So the capacity of attraction decreases to zero?

If the magnetic direction of any two black holes is made equal. So the capacity of attraction decreases to zero? If it becomes zero. So we can make the ability to magnetize / attract other...

22 December 2020 3,062 4 View

How to find the number of packets in a queue within a device in NetSim?

In a network, I want to set the buffer size of a device and then measure the number of packets in the buffer queue. The number of packets in the queued, dequeued an dropped, I need to calculate...

12 September 2020 4,654 4 View

Apply frensel absorption in COMSOL in laser keyhole welding model ?

Hello Everyone, I want to apply fresnel absorption in my laser keyhole welding model. I have seen fresnel equations on the COMSOL websites. It's kinda different from the one I see it in the...

08 September 2020 9,943 1 View

Can coefficient of Spearman's rank correlation be used to trace structural changes in a particular industry over a period?

17 August 2020 174 3 View

Applying Convective heat flux in COMSOL Multiphysics in 2D axis-symmetric geometry ?

07 July 2020 10,020 5 View

Is it necessary to keep all the parameters in same unit during Geometric Mean Enzyme activity?

When we go for measuring of geometric mean enzyme activity as per the procedure of Paz-Ferreiro et al. (2012). before calculation of GMEA is it necessary to convert all the parameters in same unit.

01 July 2020 1,772 1 View

Interface normal term in COMSOL during using Multipysics ?

Hello Everyone, I want to write the expression for interface normal. How can I write it? Cannot find it properly in "Equation view". Please see the attched figure. Please comment if someone...

13 June 2020 5,464 3 View

I want to know the BET surface area of nano-rod shaped ZnO nano-particles?

Anyone if you know the BET surface area of nano-rod shaped ZnO nano-particles than please comment. The nano rod-shaped ZnO nanoparticles are synthesized by chemical precipitation method. If...

25 May 2020 8,856 1 View

Heaviside funtion on delta(phils) function in COMSOL?

Hello everyone. I want to apply the Heaviside function on the delta(phils) as shown in the figure. Can I apply the step function as a Heaviside function shown in the figure?

19 May 2020 310 7 View

Which solar cell technology is suitable for 400nm-1660nm diffused radiation ?

which solar cell technology is more efficient for 400nm-1600nm diffused solar radiation and why?

27 April 2020 3,969 3 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 tutorial for comsol general projections?

Hi, im trying to make a projection in a 3d comsol model. I have a non uniforme chanel and my intention is to get the average tempreture in the y-z cross section and se the average tempreture...

02 March 2021 4,624 4 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

Is it possible to do piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch?

How to do Piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch? Piezoelectric coupling between the rectangular substrate and rectangular...

02 March 2021 9,833 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