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Vibration Nomogram

version 1.0.0 (623 KB) by Peter Orthmann
VIBRATIONNOMOGRAM creates a 4CP log-log figure with acceleration, velocity and displacement grid lines and optionally graph(s).

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Updated 29 Jan 2019

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VIBRATIONNOMOGRAM creates a 4CP (four coordinate paper/plot) 2-d log-log figure with acceleration, velocity and displacement grid lines and optionally graph(s). The input may be one or more velocity amplitude spectra. The graph(s) can be plotted after executing vibrationnomogram. The grid lines make it possible to evaluate the velocity spectra visually with regard to acceleration and displacement amplitudes.The vibration nomogram is also useful for SRS (Shock Response Spectrum). Imperial or SI-units of amplitude and frequency are applicable.

% Example 1:
x = [1, 25/(2*pi), 200/(2*pi), 400/(2*pi), 100];
y = [1*(1*2*pi), 25, 25, 25, 10E3/(100*2*pi);...
2*(1*2*pi), 50, 50, 10E3/400, 10E3/(100*2*pi)]/1000;
lim = [1 100,0.5E-3,500E-3];
h = vibrationnomogram(x,y,'Axis',lim,'Color','blue','LineWidth',2);

% Example 2:
x = [0.1, 1E4];
y = [300, 300; 100, 100; 50, 50];
lim = [0.1, 1E4, 1, 1E4];
vibrationnomogram(x,y,'Axis',lim,'LengthUnit','"',...
'GridColor', [0.47,0.67,0.19,0.25],...
'Color','Red','LineWidth',1);
title(['Shock Response Spectrum Q=' num2str(10)]);
xlabel('Natural Frequency, Hz'); ylabel('Pseudo-Velocity, ips');
legend('very severe','moderate severity','very mild severity');
% hold on; plot(...

Cite As

Peter Orthmann (2019). Vibration Nomogram (https://www.mathworks.com/matlabcentral/fileexchange/70118-vibration-nomogram), MATLAB Central File Exchange. Retrieved .

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MATLAB Release Compatibility
Created with R2018a
Compatible with R2014b to any release
Platform Compatibility
Windows macOS Linux
Acknowledgements

Inspired by: Number to Scientific Prefix