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PK FLUTTER ANALYSIS FAILED TO CONVERGE FOR LOOP 14, ROOT 11 could someone help with teh convergence issues please? thnaks

USER FATAL MESSAGE 5266 (ASGTRS) TOO MUCH DATA ON TRIM OR AELINK BULK DATA ENTRIES. could anyone tell me what the problem could be. i am performing an trim analysis. thanks in advance!

thanks

thank you both. i finally figured out why the normal mode analysis results were the same in sol 103 and sol 106. the latter require pre loading for the nonlinearity to be activated.

hi. i have to perform a nonlinear normal mode analysis using nastran. however, the results obtained with the SOL103 are the same as those obtained with SOL106 with very large displacement. i dont seem to know what the problem is. can someone please help. thank you!

hey Erik thank you for your reply, i was out of town. so i couldn't reply on time. I have successfully imported the pressure values from Fluent however the deflction is insanely huge, either due to the huge value fron the pressure or the unit conversion between the two. it would be really...

Hi, i am currently working on a wing design and i need to define the maximum wing deflexion. I have already performed the CFD analysis on a 3D wing and obtain all needed data. I used the FSI mapping on fluent to import the pressure forces in Patran then perform a linear static analysis...

hello! i am really glad you helped. i wouldn't have figured it out without you, it worked. thank you so much!

hi i am trying to impor the pressure distribution from Fluent so i created a csv file. i tried later on to import the csv file in patran, but the number of column, which are: x and y coord and for the third one the pressure value at that point. i dont know how to import that file and succesfully...