Abstract
The iterative Lagrangian analysis (ILA) applied to free-surface velocity measurements of ramp-compressed samples is an established technique to determine the stress-density response of materials up to 50 Mbar pressures. In this work, we examine the accuracy of the ILA of ramp compression profiles with multiple shock waves present through the analysis of simulated compression profiles. The results presented indicate that ramp-compression data with weak shock waves can be analyzed using the ILA to quantitatively measure the absolute stress and density along the compression path.
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