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Question Design Response Spectra - Graphing
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Offline GFDIntano  
#1 Posted : 09 May 2023 11:31:47(UTC)
GFDIntano

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Good day,

So I was shifting from Mathcad to SMath and I can't seem to do this properly. How do I get around graphing this response spectra.I'm quite new to SMath so please be understanding if I don't know of some functions within the program.

Design Response Spectra.sm (28kb) downloaded 9 time(s).
Design Response Spectra.PNG

This is hot it works finely in Mathcad, what would be your suggestions?

Mathcad Design Response Spectra.PNG

Thank you for any help,
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Offline Davide Carpi  
#2 Posted : 09 May 2023 13:42:11(UTC)
Davide Carpi


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Here you have your file fixed.

Design Response Spectra_00.sm (29kb) downloaded 10 time(s).

The issues:

The function was made using "while", that is a loop iterator. You have to use if(), or cases() if you prefer (the latter is part of a 3rd party plugin).
2023-05-09 12_37_35-SMath Solver - [Design Response Spectra_00.sm].png

The evaluation for multiple values has to be done using vectorize() or alternatively by a loop
2023-05-09 12_37_51-SMath Solver - [Design Response Spectra_00.sm].png

The built-in plot variable is always x for static plots, t to add animations.
2023-05-09 12_37_44-SMath Solver - [Design Response Spectra_00.sm].png
If you like my plugins consider to support SMath Studio buying a plan; to offer me a coffee: paypal.me/dcprojects
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Offline Jean Giraud  
#3 Posted : 09 May 2023 14:45:17(UTC)
Jean Giraud

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Originally Posted by: GFDIntano Go to Quoted Post
Thank you for any help,

Doctored in Smath SS 6179.
Cheers ... Jean.

Design Response Spectra Doctored.sm (33kb) downloaded 5 time(s).

Edited by moderator 09 May 2023 16:47:45(UTC)  | Reason: Not specified
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Offline Jean Giraud  
#4 Posted : 10 May 2023 14:19:24(UTC)
Jean Giraud

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... smooth derivative added.

Bolean.PNG

Design Response Spectra Doctored.sm (109kb) downloaded 13 time(s).
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Offline overlord  
#5 Posted : 10 May 2023 20:55:05(UTC)
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An alternative way to write boolean of your function is using ltle() function.
It is one of functions of Custom Functions Plugin.

Regards

2023-05-10_20-53.png
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Offline Jean Giraud  
#6 Posted : 11 May 2023 17:41:33(UTC)
Jean Giraud

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Originally Posted by: GFDIntano Go to Quoted Post
Thank you for any help,

Thanks for your project. Saved in my personal project files.
I best remember visiting Manilla [April 1987]
Take care in Philippines ... Jean

Project Seismic Manilla.sm (571kb) downloaded 10 time(s).
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