Figure 681 dof spring mass system problem sketch

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. 1–152 VM66 Material Properties E = 30 x 106 psi ρ = 0.000728 lb-sec2/in4 υ=0 Geometric Properties t = 1 in b = 2 in = 16 in Analysis Assumptions and Modeling Notes The problem is solved in two different ways: • Using Elastic Shell Elements (SHELL63) • Using 3-D Solid Shell Elements (SOLSH190) All lateral master degrees of freedom (MDOF) are selected along the plate centerline. The area is meshed with 4 elements along the X axis and 2 elements along the Y axis. Poisson's ratio is assumed to be zero. Results Comparison Target ANSYS Ratio 128.09 128.43 1.003 128.09 128.72 1.005 SHELL63 f, Hz SOLSH190 f, Hz ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. 1–153 VM67: Radial Vibrations of a Circular Ring Overview Reference: S. Timoshenko, D. H. Young, Vibration Problems in Engineering, 3rd Edition, D. Van Nostrand Co., Inc., New York, NY, 1955, pg. 425, article 68. Analysis Type(s): Mode-frequency Analysis (ANTYPE = 2) Element Type(s):...
View Full Document

Ask a homework question - tutors are online