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Offline Jean Giraud  
#41 Posted : 18 January 2023 18:03:42(UTC)
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... refreshed. Previous deleted.

Project Epitaxial.sm (177kb) downloaded 3 time(s).
Offline Jean Giraud  
#42 Posted : 18 January 2023 20:07:34(UTC)
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Originally Posted by: pTM Go to Quoted Post
Salut Jean,
Here is a set of data apparently legit (plot) with the source worksheet.

This graph does not result from a function.
Seemingly from poorly discrete as poorly plotted.
If you want it convenient, I can digitize attempt to fit.
Cheers ... Jean.

Graph Pierre.PNG
Offline pTM  
#43 Posted : 18 January 2023 20:14:55(UTC)
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Thank you for the offer.
But the goal is to calculate the data, not to interpolate them.
Cheers,

Pierre
Offline Razonar  
#44 Posted : 19 January 2023 01:43:17(UTC)
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Hi. Looking at the values in the VSD AB Plot.xlsx (43kb) downloaded 5 time(s).
file, column F is the vapor fractions xv, which vary from 0 to 1 at regular and fixed intervals of 0.1. Which is compatible with the purpose of discretizing the problem by dividing an interval into 100 parts. That is, what you should take as an independent variable is xv and from there calculate the fraction of solid xs, and the partial pressures pA and pB, which would be a procedure independent of the number of subintervals considered, as usual, instead the procedure that you follow in your worksheets, where pA and pB are the independent variables.

Best regards.
Alvaro.
Offline Jean Giraud  
#45 Posted : 19 January 2023 04:21:18(UTC)
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Originally Posted by: pTM Go to Quoted Post
Thank you for the offer.
But the goal is to calculate the data, not to interpolate them.
Cheers, Pierre

The plot is from discrete calculations, which I don't have.
Discrete calculations are seemingly not from function,
otherwise the plot would be continuous instead of discontinuous.
It is common to reverse Engineer a project for purpose.
Cheers ... Jean.

Xv_Xs .PNG

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