Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The effect of the temperature on natural frequencies of SSSS square 1-8-1 sandwich plates with different material gradients in SUS304/Si3Ni4 cores: (a) the first nondimensional frequency; (b) the second non-dimensional frequency; (c) the fourth non-dimensional frequency; and (d) the sixth non-dimensional frequency.
