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Showing results 1 to 4 of 4 Search took 0.00 seconds. Search: Posts Made By: karachun

Forum: Structural Mechanics September 28, 2020, 02:42

Replies: 7 Structural prestress analysis on a rotating wheel fixed at center with rpm as load co Views: 988 Posted By karachun ~15% relative error. It is not small but also not... ~15% relative error. It is not small but also not giant. I can recommend to perform mesh convergence study - reduce alement size and recalculate model until mode frequencies and shapes stop changing.

Forum: Structural Mechanics September 26, 2020, 10:23

Replies: 7 Structural prestress analysis on a rotating wheel fixed at center with rpm as load co Views: 988 Posted By karachun What is the relative difference? What is... What is the relative difference? What is frequency order: 10 Hz, 100Hz, 1000 Hz?

Forum: Structural Mechanics September 25, 2020, 15:14

Replies: 7 Structural prestress analysis on a rotating wheel fixed at center with rpm as load co Views: 988 Posted By karachun Sorry, no info - no help. In general if... Sorry, no info - no help. In general if structure can be considered as thin walled and if it meshed, loaded and constrained in the right way then result modes will be almost the same. But "right...

Forum: Structural Mechanics September 25, 2020, 07:06

Replies: 7 Structural prestress analysis on a rotating wheel fixed at center with rpm as load co Views: 988 Posted By karachun This depends on many factors. Can you be more... This depends on many factors. Can you be more specific and show geometry, mesh, mesh order, BC. There are 1000 possibilities to make some errors.

Showing results 1 to 4 of 4

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