The development of a mathematical complex for modeling the progress of destruction of composite structures based on hight-speed deformation models
https://doi.org/10.22405/2226-8383-2020-21-3-292-305
Abstract
Today, there is a risk of destruction for a large number of buildings from various emergencies.
Modern regulatory framework for the design and operation of buildings, contains many years of
experience in analyzing the causes of collapse, takes into account a large number of impacts on
structures (dynamic loads, climatic effects, temporary and permanent) during the entire service
life. However, the increasing number of accidents with varying degrees of destruction, both of
individual parts and of the entire structure, suggests that the impact that caused the destruction
was not taken into account in the regulatory documents on the basis of which the object was
designed. Therefore, there is a need for accurate calculation algorithms, modern reliable and
cost-effective methods for the structural strengthening of supporting frames of buildings.
The article considers existing methods for predicting the effects of fracture and solving
problems for determining the stress-strain state based on a specially developed RHT (Riedel-
Hiermaier-Thoma) strength model for high-speed deformation of reinforced concrete under
dynamic loading conditions. A model problem is considered using a variational approach based
on the construction of a functional for calculating the elastic deformation power, taking into
account the power of inertia forces for a spherical explosive charge located directly in front of
the structure. All calculations were performed in the ANSYSLS-DYNA environment, the results
were obtained in the form of graphs of strain rates and stress fields.
About the Authors
Gennady Modestovich Zhuravlev
Tula State University
Russian Federation
doctor of technical Sciences, Professor, Professor
Russian Federation
doctor of technical Sciences, Professor, Professor
Victor Grigorievich Telichko
Tula State University
Russian Federation
candidate of technical Sciences, associate Professor
Russian Federation
candidate of technical Sciences, associate Professor
Nikita Sergeevich Kurien
Tula State University
Russian Federation
post-graduate student
Russian Federation
post-graduate student
Alexandr Evgenievich Gvozdev
Tuula State Pedagogical University L.N. Tolstoy
Russian Federation
doctor of engineering, Professor, Professor
Russian Federation
doctor of engineering, Professor, Professor
Olga Vladimirovna Kuzovleva
Russian State University of justice
Russian Federation
Russian Federation
candidate of technical Sciences, docent, docent
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Review
For citations:
Zhuravlev G.M., Telichko V.G., Kurien N.S., Gvozdev A.E., Kuzovleva O.V. The development of a mathematical complex for modeling the progress of destruction of composite structures based on hight-speed deformation models. Chebyshevskii Sbornik. 2020;21(3):292-305. (In Russ.) https://doi.org/10.22405/2226-8383-2020-21-3-292-305
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