This test lets you check the plane vibration of a simplysupported double cross in the context of a modal (or frequency) case. You will use a 1D mesh. This test is used to validate the following attributes:


Reference: NAFEMSGlasgow, BENCHMARK newsletter, p.14, April 1989. 

SpecificationsGeometry SpecificationsThe recommended Finite Element Model uses four beam elements per arm.
Analysis Specifications


ResultsThe table below presents the results of the 16 lowest natural frequencies of this structure:


To Perform the Test: The
DoubleCross.CATAnalysis document presents a complete analysis of this
case.
