Measurement of torsional rigidity of stiffened plates
National Aeronautics and Space Administration, 1963 - Technology & Engineering - 36 pages
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Aeronautics and Space Becker and George calibration curves calibration proce calibration procedure confined to flat Crawford and Libove cross section D-2007 National Aeronautics developed for measuring discussed and calibration dures are explained experimental data experimental measurements flat plates George Gerard George III Handbook of Structural Herbert Becker Hoppmann in-lb inclusion of pertinent instrument developed instrument is discussed investiga Libove and Hubka linear range Loading System Lyse and Johnston MEASUREMENT OF TORSIONAL measurements are compared measuring torsional rigidity modulus of elasticity NACA NASA NASA TN NASA TECHNICAL NOTE orthotropic shells OTS price Papirno percent Perspective pertinent theories radians RIGIDITY OF STIFFENED sensor pair shown in Fig Space Administration specimen starting friction stiffened construction stiffened structures structures is described TECHNICAL NOTE D-2007 theories for torsional theory band thin models Timoshenko Reference 9 tion is provided TN D-2007 National Torque is applied trunnion twist axis Twist Measuring System VOLTS volts/in-lb volts/radian waffle plates