The effects of non-linearities and compressibility on the static and dynamic critical load of non-conservative discrete systems

1990 ◽  
Vol 60 (6) ◽  
pp. 399-409 ◽  
Author(s):  
S. N. Sotiropoulos ◽  
A. N. Kounadis
Keyword(s):  
Critical Load ◽  
Discrete Systems

scholarly journals COMPRESSED ELEMENTS WITH A VARIABLE IN LENGTH STIFFNESS EQUILIBRIUM FORM STABILITY DETERMINATION

2019 ◽  
Vol 2 (53) ◽  
pp. 30-36
Author(s):  
Oleksandr Shkurupiy ◽  
Pavlo Mytrofanov ◽  
Yuriy Davydenko ◽  
Muhlis Hajiyev
Keyword(s):  
Finite Element ◽  
Critical Load ◽  
Discrete Systems ◽  
Element Model ◽  
Stability Loss ◽  
Building Structures ◽  
Displacement Method ◽  
Equilibrium Form ◽  
Stability Calculation ◽  
Complex Building

One of the most powerful modern methods of calculating complex building structures is the finite element method in theform of a displacement method for discrete systems, which involves the creation of a finite element model, that is, splittingthe structure into separate elements within each of which the functions of displacements and stresses are known. On the basisof the displacement method and the methods of iterations and half-division, an algorithm for stability calculation of the firstkind equilibrium form of compressed reinforced concrete columns with hinged fixing at the ends, considering the stiffnesschanging has been developed. The use of the above methods enables to determine the minimum critical load or stress at thefirst bifurcation and their stability loss corresponding form. The use of matrix forms contributes to simplification of high order stability loss equation. This approach enables to obtain the form of stability loss that corresponds to the critical load.

Mean regulators for discrete systems

1992 ◽  
Vol 139 (1) ◽  
pp. 67 ◽  
Author(s):  
G.P. Liu
Keyword(s):  
Discrete Systems

Stabilization of Uncertain Discrete Systems by Observer based Controllers

1990 ◽  
Author(s):  
Jing-Chung Shen ◽  
Bor-Sea Chen ◽  
Fan-Chu Kung
Keyword(s):  
Discrete Systems

A Generalized Approach to q-Markov Covariance Equivalent Realizations for Discrete Systems

1987 ◽  
Author(s):  
Andrew M. King ◽  
Uday B. Desai ◽  
Robert E. Skelton
Keyword(s):  
Discrete Systems
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