Difference between revisions of "Accessing CyberShake Duration Data"
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*Cumulative absolute velocity (CAV) (integral of the absolute value of the acceleration). | *Cumulative absolute velocity (CAV) (integral of the absolute value of the acceleration). | ||
| − | A reference document for these formulas is available here: [[File:durationMetrics.docx]] | + | A reference document for these formulas is available here: [[:File:durationMetrics.docx]]. |
== Accessing database data == | == Accessing database data == | ||
The database contains duration data for the most useful metrics. | The database contains duration data for the most useful metrics. | ||
Revision as of 19:21, 12 October 2017
This page details how to access CyberShake duration data.
Duration data is a relatively new addition to the CyberShake codebase, starting with Study 15.12.
Types of duration data
In CyberShake, we calculate the following duration metrics:
- Energy integral (integral of the velocity squared)
- Time to go from 5-75%, 5-95%, and 20-80% of maximum velocity
- Arias intensity (pi/2g times the integral of the acceleration squared)
- Time to go from 5-75%, 5-95%, and 20-80% of maximum acceleration
- Cumulative absolute velocity (CAV) (integral of the absolute value of the acceleration).
A reference document for these formulas is available here: File:durationMetrics.docx.
Accessing database data
The database contains duration data for the most useful metrics.
