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

Is it compulsory to polish a surface after machining?

If we are interested in knowing the effect of machining on workpiece surfaces, polishing would remove most of the burrs and other debris present. We were asked to polish the machined surface...

04 May 2014 1,436 10 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

How to increase mesh quality of a cfd model in ansys fluent?

How can one improve mesh skewness, orthogonality, aspect ratio?

28 February 2021 7,730 3 View

How to find a correlation between coordinates in a curvilinear coordinate system?

Hello. I have a skewed elliptical coordinate system (I use alternative elliptical coordinates). And I need to determine connections between coordinates in order to fetch a covariance matrix of...

28 February 2021 364 3 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

Can I ask did any good platform or journals for learning the calcluation on the reference governors and command governor?

Recently I face some problems with the mathematical ( calculation) on the reference governor and command governor, so I need some help from you all to get which platform or journal can let me...

23 February 2021 7,746 2 View

Build an orthogonal box in ASE?

Hello, I was wondering the best way to build an orthogonal box filled with a defined crystal structure in ASE. I know it could be easily done in LAMMPS, but I guess it is also doable in ASE. The...

21 February 2021 5,899 4 View

Special issue on PLS-SEM in Mathematics. Are you interested?

21 February 2021 5,601 3 View

What is the better software for approximation of 3D surface with equations?

I have a massive of x, y, z coordinates of 2D surface in 3D space, which builded in Ansys HFSS or AutoCAD. How can I get the analitical aproximation of this surface by formulas?

21 February 2021 3,444 7 View

How can I obtain a sine function along a path with known equation?

I have a symmetric airfoil with known equation. Now a sine function passes along the airfoil equation like following figure. I want to find the sine function in (x,y) coordinate system.

17 February 2021 1,594 12 View