Dynamic analysis of nonuniform beams with time-dependent elastic boundary conditions

Sen Yung Lee, Shueei Muh Lin

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)


The dynamic response of a nonuniform beam with time-dependent elastic boundary conditions is studied by generalizing the method of Mindlin-Goodman and utilizing the exact solutions of general elastically restrained nonuniform beams given by Lee and Kuo, The time-dependent elastic boundary conditions for the beam are formulated. A general form of change of dependent variable is introduced and the shifting polynomials of the third-order degree, instead of the fifth-order degree polynomials taken by Mindlin-Goodman, are selected. The physical meaning of these shifting polynomial functions are explored. Finally, the limiting cases are discussed and several examples are given to illustrate the analysis.

Original languageEnglish
Pages (from-to)474-478
Number of pages5
JournalJournal of Applied Mechanics, Transactions ASME
Issue number2
Publication statusPublished - 1996 Jun

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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