Kerosene and Deionized water as Dielectric in EDM?

What are the relative advantages and limitations of using kerosene and deionized water as dielectric fluids in EDM?

06 July 2016 6,498 3 View

Is it possible to get a negative contribution in ANOVA?

02 March 2015 6,420 3 View

Which is the best way to obtain surface roughness of a microhole?

Can anyone suggest to me the preferred method for obtaining surface roughness of a microhole i.e., should I drill the microhole first and then cut it into 2 pieces OR drill the microhole at the...

08 September 2014 8,549 2 View

Size of a 3D printing part using ABS material

What is the maximum size of a part that could be produced from ABS material using a 3D printer? It is mentioned in the literature that big size ABS parts are prone to warping.

07 August 2014 5,492 7 View

Titanium or Tantalum?

07 August 2014 6,212 8 View

Is there any relation between diameter of electrode and tool wear rate?

In one literature study, it was mentioned that wear increases with increase in diameter.

07 August 2014 8,226 5 View

Can you suggest some good open source softwares for multi-objective optimization?

Which is the best software to do multi-objective optimization? Can you provide details or list of open source softwares?

07 August 2014 2,987 7 View

Is it okay to take SEM pics without cleaning the pieces?

We are microdrilling holes on some alloys. Do we have to clean the pieces or polish it before SEM pics are taken? Is it a correct procedure or will it cause any changes?

07 August 2014 9,727 10 View

Can we use S/N analysis for Full-factorial experiments?

We are planning to conduct full factorial experiments. I found in most of the literature that the analysis associated with Full Factorial experiments is ANOVA based on coefficients. I wan to know...

06 July 2014 1,898 5 View

How are orthogonal arrays and triangular tables prepared?

If you look at any orthogonal array or at a triangular table, there seems to be some logic in how the numbers are shown and allocated. Is there a connection between the two tables?

04 May 2014 4,407 0 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

How can I make stacked bar graph with scatter plot?

I want to make a stacked bar graph with showing each data value as dots. I tried with graph pad prism, version 6, but could not succeed. Does anyone have tried before making such graphs?

01 March 2021 9,383 1 View

How to perform statistical analysis of coefficients extracted from transform techniques?

I am studying the potential of DCT and FFT coefficients extracted from a signal to classify the different objects that emit the signal. I applied the Shapiro-Wilk to confirm that data was not...

01 March 2021 8,079 2 View

How to modify Johnson cook equation in ABAQUS?

I wanted to add an extra parameter to the existing Johnson cook equation in the ABAQUS simulation. How to add those extra parameters. Ref: A modified Johnson-Cook material model with strain...

28 February 2021 4,841 3 View

How to find the right number of integration points in second order 3d finite elements?

I am familiar with finite element simulations and numerical schemes like the Gauss Legendre quadrature. I also know that the Gauss integration yields exact values for polynomials up to degree 2n-1...

27 February 2021 6,818 3 View

The Shannon's index is inversely proportional to Simpson's index (1-D)?

I'm having a problem with my bloxplot with Shannon's and Simpson's indexs. The value of Shannon for my Community 1 indicating higher diversity (in relation of the Community 2), but have lower...

26 February 2021 3,033 9 View

VIF very high, but correlation is low and coefficient is significant. Which one whould I choose?

Hello. I have a question whether if my coefficients (statistically significant) would be valid when VIFs are really high. In my model, there are independent variables(IV), moderating variables...

26 February 2021 956 13 View