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

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

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

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 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

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View

High aspect ratio hexahedral mesh optimization solver?

I am interested in evaluating mesh optimization solvers that converge to high aspect ratio unstructured hexahedral grids. In other words, I am interested in a solver that optimizes warpage,...

26 February 2021 7,279 2 View

Is there an open source free software for text mining and sentiment analysis?

I am looking for a free software for text mining and sentiment analysis for my research on customer review mining (it involves calculating polarity of attributes,opinion oriented information...

25 February 2021 1,920 6 View