Guralp-systems ART Manual do Utilizador descarregar pdf (Página 41)

User guide

graphical formats (.bmp, .eps, .jpg, .png or .tif) using the

‘Save figure’ option on the ‘File’ menu and printed using the

‘Print figure’ option the ‘File’ menu.

The values plotted can also be saved in a column format using

the ‘Export data’ option on the ‘File’ menu. The options used to

create the figure can be changed within the ‘Options’ menu

located at the top of the window.

The normalized energy densities are displayed using units

based on the selected velocity unit.

Single time-history selected

Clicking on this button will calculate and display the normalized

energy density plot [i.e. energy density against time (Sarma,

1971)] of the currently selected time-history. The left hand axis

gives the normalized energy density [note that, to get the true

energy density, the normalized energy density should be

multiplied by Vρ/4 where V is wave velocity and ρ is mass

density (Sarma, 1971)] and the right hand side gives the

percentage of normalized energy density. Also displayed on the

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Guralp-systems ART Manual do Utilizador Página 41