Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

Sample modeling in ABAQUS software and its relationship with the real world?

About crack modeling in ABAQUS: Mode I (pure-tensile cracking) and Mode II (pure-shear cracking), these assumptions may be accruing in theoretical approach (ABAQUS) not practical in Lab....

19 February 2021 6,156 1 View

absorption= 1-mag(S(FP1:1,FP1:1)*S(FP1:1,FP1:1))-mag(S(FP2:1,FP1:1)*S(FP2:1,FP1:1)) is it correct for absorption ?

hi everyone I am simulating a unit cell structure in HFSS using Flouquet port having two modes for absorption I have used this formula:- absorption=...

17 February 2021 9,178 2 View

An article on the Iranian state's civil liability in the COVID-19 matter needs supervision; Is anyone interested in collaborating?

Hello. An article on the Iranian state's civil liability in the COVID-19 issue has been written in collaboration with a friend and a comparative look at law and biology. The article is ready to be...

15 February 2021 2,906 2 View

Inter-rater / inter-coder reliability for thematic analysis?

In my research, I have used metaphorical elicitation tasks to investigate learners' conceptualization of speaking fluency. In the analysis phase, I used thematic analysis to make themes out of...

10 February 2021 4,719 11 View

How to define two different phases with different species?

Hello all, I am trying to model CO2 being dissolved in a bubble column filled with water. For mass transfer definitions, I need to define two phases: for instance, liquid and gas, where the liquid...

08 February 2021 2,722 3 View

Which journals (Q1,Q2) accept simulation based design and results of antenna if fabrication and testing facility is not available?

I need a list of good (preferably Q1,Q2) journals that will accept research papers prepared on designs done with the help of simulation software e.g CST, HFSS etc.

08 February 2021 9,636 5 View

Comparing Uniaxial accelerometer sensors activity counts with Triaxial accelerometer (IMU)'s activity counts?

Hi I have to compare the uniaxial sensor(wearable) data with Triaxial sensor data(IMU). The uniaxial sensor output has a single column of activity counts whereas Triaxial sensor(IMU) has three...

05 February 2021 3,999 1 View

What is the type or grade of ethanol used in SOL-GEL?

I'm preparing materials that will be use in SOL-GEL to produce silica gel, I will use Tetraethyl orthosilicate (TEOS) as precursor, and ethanol as solvent , but when I search to buy ethanol, the...

01 February 2021 5,153 4 View

Where to buy optically clear, low viscosity, refractive index 1.5-1.4 Silicone Oil ?

For research purposes, it is required to have optically clear, low viscosity silicone oil with a refractive index of 1.5-1.4. It is going to be used in optoelectronic research. Online purchase is...

01 February 2021 9,160 3 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

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View

Why are the modelled and circuit system different in response for controlled buck converter?

[Images are attached at bottom] I am currently working on a buck converter controlled by two different control methods, Reinforcement learning applied to find PID values & a lead-lag...

16 February 2021 5,060 10 View

How do I connect DAB DC DC Converter to a battery in matlab simulation ?

I am trying to model a DAB converter and I need to observe the power transfeered to the load side on varying the phase shift between two bridges, hence I couldnt take a constant load e.g...

09 February 2021 6,489 3 View

Is there a generalized method to derive current-mode model of any DC-DC converters?

Hi all, As new DC-DC converters are being proposed, associated control method should be proposed and based on the small-model signal analysis of the DC-DC converters. Using average space state...

06 January 2021 7,247 3 View

How do I calculate the torque required for linear motion?

23 December 2020 5,064 3 View

Can Copper be sputtered (via PVD) onto Platinum-Iridium to improve solderability?

Hi! First time poster on RG! I would like to solder (ball grid array reflow) onto a Platinum/Iridium alloy without the use of special Platinum soldering fluxes. Can copper be sputtered onto...

18 November 2020 2,105 3 View

Where can i find documents related to hardware implementation of neural network for power electronic converters ?

I want to use neural network as controller for DC-DC converters, MPPT chargers and SPWM inerters but could not find much helpful documents for implementation in hardware. Want to know what...

11 November 2020 2,285 2 View

How to plot efficiency curve of dc-dc converter ?

Dealing with LLC resonant converter simulation and would like to plot the efficiency curve. How Can I do that ? eff = Pout/Pin ( Pout I can calculate from Output voltage and current but input...

18 October 2020 5,210 4 View

How to tune pi controller for grid connected voltage source converter (space vector PWM) for dc bus voltage and current control in a DC micrgrid?

I have tuned the PI controller for the voltage control loop and inner control loop. But the problem is that it is not stable from a wide variation in the load/bus voltage. On the DC bus, there is...

16 October 2020 7,478 2 View