Comsol electromagnetic simulation. How to give a mesh for certain micrometer when my tool is in millimeter. The current density is so small. Pls help?

Hi, I am trying to perform mesh convergence and I found out there is no stable temperature value I obtained. So, I calculated the skin depth and it was around 0.00011mm. It is so small in...

24 August 2020 9,060 2 View

How to model in COMSOL (Induction heating) . A current applied for 600A for 10 min and continue then 100A for next 5 min. Can someone help me please?

Hi I wanted to model Induction heating in comsol. Apply a current of 600A for 10 minutes in my coil and then a 100A current for 5 minutes. I could not find much of tutorials. I do not know where...

10 April 2020 5,565 12 View

Where i can get the electricity price for different EV agents?

Hello, i hope you all are good. i am modeling a system for charging and discharging cost minimization for different EV (Electric vehicle) agents like households, business...

27 November 2019 5,599 4 View

How to plot Basin of attraction for coupled maps in MATLAB?

1) I am trying to plot the Basin of attraction for 2d discrete dynamical system in MATLAB. Please give some suggestions to get them. 2) If possible, give some simple example like...

08 November 2019 5,668 3 View

Thermal topology optimization run ends with error due to memory. How to swap memory?

Hello. I had a run error *7007* that the allocated memory is 17,500 Mb but the run for the model required 18,400 Mb. When i check my directory file, there is more memory around 1TB and the system...

06 November 2019 8,994 3 View

How to make the displacement value show up?

Hello all, I need a help really. I have displacement at a point as in the image where it shows Mag = 0 and Z = 0. Apart from static min and max. That nodal point on top I needed the values. Since...

03 October 2019 3,670 3 View

How to make a flat surface in ANSYS or HM. Can someone suggest me?

A bracket has been analyzed and the solid is not flat. The triangular elements are bumpy on 2 sides of the bracket and I want it to make it flat before I re-analyze for static displacement and...

16 September 2019 3,885 3 View

Which one is the best protocol to measure aggregate stability ?

Need reviews regarding measurement of aggregate stability.

14 March 2017 9,709 2 View

Does anyone has idea about recent data regarding acreage of various fodder/forage crops in India?

Current statistical data on acreage of different forages in India.

14 March 2017 5,084 2 View

How can I measure the N fractions in rhizospheric soil samples?

Please suggest me the precise and standard methodology to compute the various N fractions in rhizospheric soil samples.

09 March 2017 6,447 6 View

Trouble with Charting with Google Earth Engine (Technical)?

Hello. I have a problem with the charting in google earth engine. I created an image collection by combining 5 image collections of five parameters and using ee.Join.inner ( ) and .apply ( )...

26 February 2021 7,084 2 View

Modeling viscosity using model of Chung?

Hello, As part of simulation of gases mixture and water, I need to calculate viscosity of the fluid components and I am using relationships proposed by Chung et al. (1988). The irony is while I...

25 February 2021 8,053 5 View

In frequency domain alpha band(8-16hz), beta band(16-32hz), gamma band(32-64hz), sub-band(64-128hz) are same as LL,LH,HL,HH in wavelet decomposition?

I am working on single trial motor imagery data i.e. EEG data. I am following a paper which has a dataset from BCI challenge IV (dataset 2b). After removing noise and extracting all the data from...

23 February 2021 5,503 1 View

Suppose we have a banana seller cart consisting of 4 wheels, weighing about 300 kg. How much torque motors are needed to pull of push it electrically?

I am thinking of electrifying the street food carts while harvesting energy using solar panels on top.

22 February 2021 4,323 3 View

How do I plot Pressure against crank angle degree in Fluent?

18 February 2021 8,390 3 View

Can you please suggest me how to convert EDF file into Mat file for EEG datasets?

Hi sir, 1.can you please suggest to me how to convert the EDF (European Data format) file into a Mat(Matlab) file for EEG datasets?. 2. Also suggest some publicly available EEG Motor Imagery...

15 February 2021 7,620 1 View

Is Genetic Algorithm usage for Motor Conception FEA optimization a good choice?

Hi RG community, Like the title shows ,i was wondering if choosing the GA for this kind of Optimizaiton is a good choice? For example we have a population of 100 (for 7-8 Optimization Variables),...

14 February 2021 1,160 7 View

How to interface ANSYS Maxwell and Matlab?

Dear All, I am working on electric motor design in Ansys Maxwell. I have written optimization code in MATLAB. I want to run this code in ANSYS MAXWELL and generate FEA results. Does anyone know...

10 February 2021 1,279 1 View

How can I prevent my switching power supply from sudden voltage increases ?

Hi Everybody, I'm currently using a 3kW AC/DC converter which gave 48VDC output(Switch mode power supply). The device is capable to deliver up to 62.5A current to the load. My application is a...

08 February 2021 7,642 4 View

I want to extract engine oil from a soil sample,please how much amount of anhydrous sodium sulphate am i going to add to 10kg soil?

Engine oil extraction from contaminated soil,10kg of contaminated soil+20ml of dicholoromethane+? of anhydrous sulphate

01 February 2021 9,509 1 View