Hi all! I would like to know how to obtain a regression model to make predictions about the value of a dependant variable if the independent variables are categorical.I read about transforming them into Dummy variables, but I don't know how to do it in Statgraphics. I would like to estimate the...
Hi all, I am performing an experimental modal analysis of a beam and I am trying to get the mode shapes from the FRF measured. I have read in many articles and books that the mode shapes (unscaled) may be obtained from the peak amplitudes of the imaginary part of the FRF, as in lightly damped...
Hi all, i am performing a modal analysis of a beam in ANSYS. In the laboratory, the beam is supported on transversal steel bars, so vertical positive displacements are allowed when I hit it with the hammer, and the bars are fixed to the ground. If I model the supports as typical rigid supports...
Hi all, i am performing a modal analysis of a beam in ANSYS. In the laboratory, the beam is supported on transversal steel bars, so vertical positive displacements are allowed, and the bars are fixed to the ground. I tried with contact surfaces between the beam and the steel bars with standard...
