Nabil W. Critical states of elongated beam and shell structures under action of moving loads

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0407U000884

Thesis Registration Form

0407U000884.pdf

Applicant for

Specialization

  • 05.23.17 - Будівельна механіка

14-02-2007

Specialized Academic Board

Д 26.059.02

Essay

In the dissertation the techniques based on the Kirchhoff hypotheses and the models of the S. P. Timoshenko theories of beams and shells are elaborated for theoretical investigations of dynamics of beam and shell structures. The problems about moving distributed and concentrated, isolated and periodically located forces actions on a beam on elastic foundation are considered. The values of their motion velocities corresponding to appearance of critical states and resonant vibrations are found. In the framework of the S.P. Timoshenko model the problems about propagation of natural waves and waves excited by moving harmonic and stepwise distributed loads in cylindrical shells are solved. The possibility of existence of three types of natural waves is established, the velocities of their propagation are found. The dynamic behavior of shells under action of step-wise loads is investigated. The critical values of their propagation are found.

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Files

Avtoreferat--1_Titul.doc

Avtoreferat--2_Disert_e_rukopis.doc

Avtoreferat--Автореф_14_12_06.doc

Avtoreferat--Автореф_14_12_06.doc

Dissertation--00_titul.doc

Dissertation--01_vved_razd1.doc

Dissertation--02_razd2&3.doc

Dissertation--03_razd_4&5.doc

Dissertation--04_LITER.DOC

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