Fortran IV Computer Program for Calculating Critical Speeds of Rotating Shafts

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National Aeronautics and Space Administration, 1973 - FORTRAN IV (Computer program language) - 52 pages

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Contents

INTRODUCTION
1
COMPUTER PROGRAM
11
CONCLUDING REMARKS
34

Common terms and phrases

array for mass axis of symmetry axis through center bearing at station BEARING STIFFNESS bearings and couplings boundary conditions BRG AT STATION Calcomp plotter calculating critical speeds CALL SUBR CALTIT card NAMELIST card COMMON PI,KEY,NNN computer program coupling at station deflection curves diameter of disk disk about axis DRPM extra masses nonshaft FORMAT FORTRAN IV FORTRAN IV computer GO TC gravity and normal gyroscopic data gyroscopic effect Ib-sec²/in inertia of disk inside diameters INTEGER STA(10 integration lb-in lb/in lumped-parameter method mass density masses nonshaft mass modulus of elasticity moment of inertia multispan shaft system nondimensional NUMERICAL INTEGRATION ODIA output for problem plotted output Poisson's ratio PPLOT Printed output procedure for problem rigid bearing rotating shafts RPMF seven-stage compressor Shaft data cards SHAFT IH=0 shaft sections Shear deflection speeds of rotating spring constant SUBROUTINE GRA switch TAID TAOD Title card NAMELIST TWO-STAGE TURBINE XLABEL

Bibliographic information

TitleFortran IV Computer Program for Calculating Critical Speeds of Rotating Shafts
Volume 7385 of NASA technical note
AuthorRoger J. Trivisonno
ContributorLewis Research Center
PublisherNational Aeronautics and Space Administration, 1973
Original fromUniversity of Illinois at Urbana-Champaign
DigitizedJun 20, 2011
Length52 pages
  
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