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Theory and Modern Applications

Table 3 Comparison of the important parameters by RHM with R-K method for the cubic-quintic nonlinear packaging system

From: Ren-He’s method for solving dropping shock response of nonlinear packaging system

 

\(\boldsymbol{x_{m}}~(\mathbf{cm})\)

\(\boldsymbol{\ddot{x}_{m}~(\mathbf{g})}\)

\(\boldsymbol{\tau~(\mathbf{s})}\)

R-K

3.52

50.35

0.02920

RHM

3.65

45.13

0.03074

Relative error (%)

3.7

10.4

5.2