MATLAB转子动力学工具箱 instructions: 1) Unpack the package, maintain directory structure 2) cd to /Rotfe25x in Matlab 3) type rotfeini (in Matlab) to add all the underneath directory to the path 4) run the demo (slow) by typing demo_rotfe 5) run the torsional vibration demo (somewhat incomplete, sorry) - tst_rotany.m 6) edit an example model, e.g. simple4s.m, run it using : a. modeplot2 simple4s (use buttons to compute and manipulate display) b. compute and display the Campbell diagram.