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The article presents a dynamic numerical analysis of a concrete building located close to traffic route. A method of numerical model experimental verification is shown. On the example of typical building there are shown two methods of evaluating vibration influence on a building’s structure. Application of two types of analysis is shown: Response Spectrum Analysis and Time History Analysis. The results...
The article presents a dynamic numerical analysis of a concrete reinforced building. There is used a kinematic excitation measured at the building in-situ, during heavy vehicles passes. The building consists of concrete columns and slabs. Dynamic response of the building was determined in dependence on building structure. There was made an analysis in the points of the structure where vibrations exceed...
The three ice-structure interaction models were established according to collision dynamics theory. The numerical simulations of the interaction between sea ice and the structure were implemented by using the explicit dynamic analysis software ANSYS/LS-DYNA, according to the bi-axial strength criterion of concrete established by indoor test in environment of seawater corrosion. The simulated propagation...
The paper considers the possibilities of using the efficiency measure of vibration propagation as a diagnostic parameter. A measure defined by using recorded test results is proposed and the method of numerical calculations is shown. Examining an example of the empirical results of a concrete beam working under bending load and submitted to impact forced vibrations, an effort to determine the degradation...
In order to analyse the free vibration characteristics of hydropower house, finite element method (FEM) is used in the modal analysis. The main emphasis is placed on the problem of influencing factors of the modal analysis for hydropower house. The influencing factors include calculation model range, boundary condition and water in spiral case. Two practical cases are given. The study indicates that...
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