Merwin, John E.2016-04-212016-04-211967Lee, James Der-Yi. "Nonlinear torsion problems approached by theory of perturbation." (1967) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/89258">https://hdl.handle.net/1911/89258</a>.https://hdl.handle.net/1911/89258The work presented herein is to describe how the theory of perturbation can be applied to nonlinear torsion problems. The torsion of circular, rectangular, triangular, and elliptic cross sections has been investigated. The applicability of this approach is shown by a comparison with exact solutions obtained for a circular section.77 ppengCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.ThesisRICE0295reformatted digitalThesis C.E. 1967 LEE