1. Overall description of the problem

The Princeton beam experiment is a study of the large displacement and rotation behavior of a simple cantilevered beam under a gravity tip load.

The reports describing the experimental program can be downloaded.

  1. E. H. Dowell and J. J. Traybar. An experimental study of the nonlinear stiffness of a rotor blade undergoing flap, lag, and twist deformations. Aerospace and Mechanical Science Report 1194, Princeton University, January 1975. (PDF)
  2. E. H. Dowell and J. J. Traybar. An experimental study of the nonlinear stiffness of a rotor blade undergoing flap, lag, and twist deformations. Aerospace and Mechanical Science Report 1257, Princeton University, December 1975. (PDF)

2. Input file

The input file for Dymore 4.0 is available in two formats

  1. A plain text version of the input file, and
  2. A web version of the input file.

3. Experimental and numerical results

Experimental results and numerical predictions can be downloaded here for the Princeton beam experiment. Each archive (in .zip format) contains the following information.

  1. An Octave script for plotting (.m file),
  2. Data files or Octave scripts storing the experimental results (.m or .dat files, or both), and
  3. Existing numerical predictions (.dat files).

The following data is available.

  1. Tip deflection in the soft direction (zip),
  2. Tip deflection in the stiff direction (zip), and
  3. Tip rotation (zip).