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Hi to all, does anyone know how we can link etabs with prosteel? the extension output file form etabs is *.mdb. How can insert that file in AutocAD?

Hi, Could anyone help me define a single point spectrum (acc Vs Period) after performing a modal analysis? Do I have to use load step options? Although I 'read the manual and the examples I steel can't manage. Do I have to apply the spectrum at boundary conditions?

Could anyone help me how after performing a reduced method modal analysis we can see results such as participation factors and mass distribution percentages for each mode extracted in GUI steps?

Could anyone advice me which coupled sets should be used in fluid80 elements contained in a cylindrical tank? Except coincident nodes in the perimeter between tank shell and fluid perimeter what else coupled set should be used?

Hi, Could anyone advice me how we can set springs in a free surface of a fluid80 element so that nodes could move only in vertical directions?

Hi, I would like your help with this: I wan't to simulate a water filled tank in seismic responce. 1. I read in a paper that solid45 element was chosen over fluid80 element using fluid element properties as: E=B[3(1-2?)] where bulk modulus of water is 300000lbf/in2 and ?=0.4999. So it...