Accession Number : AD0631654

Title :   ENGINEERING METHOD OF CALCULATION OF ELASTIC SYSTEMS FOR FREE VIBRATIONS,

Corporate Author : FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO

Personal Author(s) : Sekhniashvili,E. A.

Report Date : 18 JAN 1966

Pagination or Media Count : 356

Abstract : CONTENTS: Free vibrations of systems with a finite number of degrees of freedom; Free vibrations of systems with an infinitely large number of degrees of freedom; Approximate methods of determining frequencies of free vibrations of material systems; Certain concepts from the calculus of variations; Application of Galerkin method to problems of free vibrations of material systems; Construction of the family of approximating (minimizing) functions during solution of problems of free vibrations of material systems; Determining the fundamental frequency of vibration of material bars; Determining higher frequencies of free vibrations of material bars; Determining frequencies of free vibrations of material systems by an expanded conjugate beam method; Determining frequencies of free vibrations of bar trusses; Influence of shearing strain and inertia of rotation of section on magnitude of frequency of free vibrations; and Determining modes of free vibrations of material bar in the general case.

Descriptors :   (*VIBRATION, DETERMINATION), (*ELASTIC PROPERTIES, VIBRATION), DYNAMICS, STRUCTURES, ENGINEERING, NUMERICAL METHODS AND PROCEDURES, USSR

Subject Categories : Numerical Mathematics
      Structural Engineering and Building Technology
      Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE