Description of the IM
The intensity measure is described as follows:
The inputs are the velocity waveform with units of m/s, and the output is the Specific Energy Density (SED) with units of m^2/s.
Initial verification
A test was conducted using a synthetic waveform, and an external source calculating the expected result separately.
The expected results from a sine wave over the period 2pi
The returned value from running this with noted parameters:
Number of timesteps: 10000 Domain calculation performed over: 0-6.28 seconds Waveform function used: sin(t) Intensity measure value: 3.1415926534657683
Testing against SeismoSignal Results
SeismoSignal results are to 5 decimal places.
Mean difference: 0.04%
Standard deviation: 0.03%