What are the drawbacks of the Generalized regression neural network (GRNN)?, and how can we overcome these drawbaks?

23 January 2021 8,796 3 View

How to interface Semi conductor physics and Fluid flow physics in COMSOL?. What are the parameters to be considered while we interface them?

I am using a silicon nano wire in microfluidic channel to identify the some changes in parameters like voltage and current. but i am unable to interface them. the two physics run individually but...

10 January 2021 8,894 1 View

Is there any analytical model to asses impact of rigid projectile on monolithic deformable plate?

I am trying to select suitable element type (Solid or Shell) for impact analysis. I have tried with both solid and shell elements. The results are same for both element types up to certain impact...

08 January 2021 3,251 4 View

Why internal energy absorbed during impact is different when simulated with solid and shell elements using abaqus?

I am trying to simulate high velocity impact of rigid spherical projectile on a rectangular plate using Abaqus Dynamic Explicit. Particulars of Projectile Diameter : 12 mm Mass : 7.05g,...

04 January 2021 10,022 3 View

Question to the specialists. How dangerous is taking the Covid 19 vaccine? What is the most safe vaccines available in the world?

Information has spread widely, which speaks of a potential risk in the event of taking a Covid 19 vaccine, and that this matter definitely worries everyone. Is the Covid vaccine safe?

23 December 2020 4,342 7 View

Can anyone suggest how to find proper OFDM MIMO Simulink model ?

I am doing my research on a communication system. I need a Simulink model with MIMO OFDM anyone of you could suggest me to find the total OFDM transmitter and OFDM receiver Simulink design model

21 December 2020 3,709 1 View

What are the challenges in Machine Learning to integrate it with Mobile Adhoc Network ?

What are the challenges in Machine Learning to integrate it with Mobile Adhoc Network

21 September 2020 3,881 5 View

Why there is continuous need to genetically engineer a yeast that is already an industrially high-yielding strain??

It is generally observed that scientists and researchers worldwide always try to genetically engineer wild-type hyper-producer (high-yielding) strains that already produce enough/excellent...

31 August 2020 4,104 3 View

Is there new researches concerned with the effect of nanomaterials on limiting the spread of Covid 19?

Is there research concerned with the effect of nanomaterials on limiting the spread of Covid 19?

05 August 2020 1,574 8 View

How to calculate Poisson's ratio for sandwich panel?

I am simulating the compression test of the sandwich structure in Abaqus. How can I calculate? Please suggest me a method to overcome this problem. Thank you

05 July 2020 4,085 10 View

Is there any teachers based in UK who would like to take part in my study?

24 February 2021 4,833 3 View

Hello everyone, which software is preferable for simulating the effect of shrinkage of metal powders for the Additive manufacturing process?

Last time I was asked about simulation software to analyze the effect of shrinkages of plastic powder materials. Currently, an additive manufacturing process is what I find suitable for my...

29 December 2020 4,615 9 View

How do you characterise stainless steel 17-4 PH microstructure fabricated by selective laser melting?

Hello everyone, My project is to investigate the microstructure of stainless steel 17-4 PH fabricated by selective laser melting. SS 17-4 PH is predominantly a martensite matrix with some...

20 December 2020 4,037 4 View

Does the amount of ammonium measured by the electrode depend on temperature?

19 November 2020 6,315 12 View

How I can separated aluminum sulphate from nickel sulphate solution. I am working on spent randy nickel after hydrogenation of vegetable oil ?

Current I am using calcium hydroxide but at higher pH it make gel type material

09 November 2020 3,321 3 View

How can I decrease surface roughness in selective laser melting?

Recently, I study master degree in Taiwan. And my research topic is about metal 3-d printing with in718. I am required to decrease surface roughness in overhanging structure or inclined cube. Is...

02 November 2020 8,127 3 View

Lipoic acid with a terminal amine causing gelation?

I am wondering if anyone has made Lipoic acid with a terminal amine and has seen gelation? Is there anyway around this or a way to get it back into solution?

29 October 2020 2,839 1 View

Additive Manufacturing NiTi (Nitinol) shape memory alloy: LPBS/DMLM, or, Extrusion-paste-printing followed by sintering?

What are the benefits (if any) of processing NiTi (nitinol) through: laser powder Bed Fusion (LPBS) /Direct Metal laser Melting (DMLM) vs. Extrusion-paste-printing followed by Sintering where the...

02 October 2020 4,229 3 View

Why don't my isolated mouse cardiomyocytes contract?

I'm trying to isolate left ventricular myocytes from wildtype C57BL/6 mice. Currently the isolation step seems to be going okay - usually I get >50% viability of cells (although this is...

16 September 2020 4,335 3 View

Phase Distribution of Reflect Array Antennas?

After calculating the required phase shift in reflect array antennas, How do we plot phase distribution versus element position in MATLAB? I am using imagesc command but it doesn't produce the...

11 September 2020 5,487 2 View