Open AccessMethodical Features Analysis of Damage Accumulation and Achievement of the Ultimate State of Objects Under Combined Impacts of Multiparameter Force Factors and Environment
Author(s) -
Щербаков,
С. С. Щербаков,
Богданович,
A. E. Bogdanovich,
Сосновский,
Leonid A. Sosnovskiy,
Ахметханов,
Р.С. Ахметханов,
Зацаринный,
Vladimir Zatsarinnyy,
Резников,
Д. О. Резников,
Махутов,
Н. А. Махутов,
Юдина,
O. Yudina
Publication year - 2015
Publication title -
bezopasnostʹ v tehnosfere
Language(s) - English
Resource type - Journals
ISSN - 1998-071X
DOI - 10.12737/14431
Subject(s) - matrix (chemical analysis) , computer science , structural engineering , stiffness , probabilistic logic , stiffness matrix , vulnerability (computing) , macro , limit (mathematics) , mathematics , mathematical optimization , engineering , materials science , artificial intelligence , mathematical analysis , composite material , computer security , programming language
The paper proposes a new methodological approach, coupled with complex analysis of reaching damages and limit states
of materials and structural elements under multi-parameter actions of various kinds of loads and the environment, taking
into account changes in the stress-strain state, material properties and the kinetics of components damageability as well
as time factor. We propose to consider damageaccumulation as a multi-level analysis, uniting a group of micro, mesoand
macroscales and analyze it in probabilistic setup.
During the damageextentestimation we invite to use the method of modulus of rupture variationand a method based
on the analysis of changes in stiffness matrix in model studies. Also in this regard, are considered the probability matrix
methods of scripting to achieve the ultimate states, which provide construction of macro- vulnerability matrix, mezovulnerability
matrix and vector of threats.