Modeling and Analysis Lab Problem-13 solution: Modal analysis of truss using ANSYS

1. Determine the Modal deflections for the truss system shown below (E = 200GPa,
A = 3250mm2).

18. Note: In the process of solving make sure that you save the file on every step.

19. Preprocessor

31. 0108007
311890006
072005
311854004
036003
311818002
001
yx
Key point

41. Solver

51. The window above shows the input that is used in preprocessor and solution
part. Make sure that the data given above are correct and then press OK.

53. General Postprocessor

69. Frequency
Mode 1 0.128 x 10-3
Mode 2 0.159 x 10-3
Mode 3 0.220 x 10-3
Mode 4 0.272 x 10-3
Mode 5 0.292 x 10-3