Static, dynamic and stability finite element analysis of gradient elastic beam structures

Abstract

The present Doctoral Dissertation develops a finite element method for the static, stability and dynamic analysis of gradient elastic beam structures, which find applications in modern microelectronic and nanoelectronic devices. These linear elastic structures have extremely small dimensions, which are comparable to their microstructural lengths and thus their static, stability or dynamic response to applied mechanical loading depends on their microstructure. Classical linear elasticity theories cannot take into account microstructural effects and generalized or higher-order elasticity theories have to be employed. These theories are characterized by non-locality of stress and internal length parameters and can take into account microstructural effects in a macroscopic manner. The general theory of elasticity with microstructure due to Mindlin (1964) in its simplified form with just one elastic constant in addition to the classical ones, known as the gradient theory of elasticity, is a ...
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DOI
10.12681/eadd/45013
Handle URL
http://hdl.handle.net/10442/hedi/45013
ND
45013
Alternative title
Στατική ανάλυση, δυναμική ανάλυση και ανάλυση ευστάθειας βαθμο-ελαστικών δοκών με τη μέθοδο των πεπερασμένων στοιχείων
Author
Pegios, Ioannis (Father's name: Petros)
Date
2018
Degree Grantor
Hellenic Open University
Committee members
Χατζηγεωργίου Γεώργιος
Καράμπαλης Δημήτριος
Πολύζος Δημοσθένης
Σφακιανάκης Εμμανουήλ
Τσινόπουλος Στέφανος
Φωτιάδης Δημήτριος
Χατζηνικολάου Μαρία
Discipline
Engineering and Technology
Civil Engineering
Keywords
Finite elements
Country
Greece
Language
English
Description
138 σ., tbls., fig., ch.
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