Exact(3)
Based on the simulation results, the characteristics of the in-structure shock environment are also discussed in terms of the shock response spectra.
Engineers have experienced difficulty when attempting to use enveloping or high fiducial limit statistical techniques for defining the shock environment by shock spectra.
Whereas the shock spectrum is most suitable for product response (fragility) specification, the tools developed in this article render the Fourier spectrum most suitable for shock environment and laboratory test specification.
Similar(57)
The use of particle damper under shock environments are also demonstrated.
Moreover, this shock test machine can be regulated conveniently to adjust to a different type of equipment and be extended easily to suit more severe shock environments and heavier equipment.
Therefore, in order to evaluate shock resistance under shock environments, this research adopts response spectrum analysis method in conjunction with a shock design spectrum inducted by US Navy after performing full-scale trials in establishing a shock response spectrum analysis, to be coordinated by using finite element's discrete and calculating procedure.
The limitations and advantages of the shock spectrum and the Fourier spectrum for quantifying shock environments, product response and test specifications are summarized, implying that improved results may be obtained by combining the advantages of the shock spectrum and the Fourier spectrum.
These soft systems can be used address Air Force-specific needs and challenges such as high-shock environment survivability and reconfigurable electronics.
Spectral elements based on Legendre polynomials are used to improve an existing finite-element method for simulating a highly nonlinear field phenomenon: fluid cavitation in an underwater-shock environment.
Well the movie certainly delivers a visually intense and eerily plausible future-shock environment.
In the heat-shock environment we provided as a selective challenge, evolution of greater protein thermostability would be beneficial.
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