The meshing schemes include quadrilateral and

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: 85) 3-D 20-Node Structural Solid (SOLID186) 3-D 10-Node Tetrahedral Structural Solid (SOLID187) 4-Node Finite Strain Shell (SHELL181) vm244.dat Input Listing: Test Case Figure 244.1 An Annular Plate § ¦¤ §© ¡ ¦¤ §¤©£¨ ¦ ¡¡ ¦ ¡¡ §¤¥£¢ The fundamental natural frequency of an annular plate is determined using a mode-frequency analysis. The lower bound is calculated from the natural frequency of the annular plates, which are free on the inner radius and fixed on the outer. The bounds for the plate frequency is compared to the theoretical results. Material Properties E = 7.03 x 105 kg/cm2 ν = 0.3 ρ = 2.79 x 10 -9 kg/cm2 γ = 1.415 x 10-6 kg-sec2/cm3 Geometric Properties Outside Radius (a) = 50 cm Inside Radius (b) = 18.5 cm Thickness (h) = 0.5 cm Loading Free modal analysis ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. 1–573 VM244 Analysis Assumptions and Modeling Notes According to Blevins, the lower bound for the fundamental natural frequency of the annul...
View Full Document

This note was uploaded on 12/09/2010 for the course DEPARTMENT E301 taught by Professor Kulasinghe during the Spring '09 term at University of Peradeniya.

Ask a homework question - tutors are online