Table 2: Comparison of FEA and mathematical modal analysis results for selected modes for gasketed joint with and without raised face and nongasketed joint.

Frequency resultsJointMode
12345678910X1X2

FEA Without
raised face
1201472282623123433914224464547595537
Mathematical1463137785536
Difference (%)17.80.072.440.01

FEA With raised face1681762002422722813053103133977825536
Mathematical1463137785536
Difference (%)13.10.000.070.00

FEA Nongasketed joint348399483522614671774994108911142986
Mathematical5147342987
Difference (%)1.535.160.00