The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The main task of this work is to analyze optimal design-system of the booms of boom-sprayers. The discrete-continue models of machines dynamics of such wheeled machines as boom-sprayer with elongated boom element with the attachment of dynamic vibration absorbers are offered. The algorithms for vibration decreasing of boom are received. The new vibroabsorbing elements are proposed. The paper contemplates...
Currently, reflecting systems are widely used in heating equipment, solar engineering structures and acoustic structures. Here, constructions based on classical curves do serve in reflectors. The reflection trajectories represent such curves as podera, orthotomic and caustic paths. Research goal to find an analytical description of the threecentred curve, its podera and orthotomics, and to build a...
Descriptive Geometry and engineering graphics is one of the educational disciplines that forms the basis of engineering education. Unfortunately, in many schools such subject as drawing is classified as a secondary one, and only spare time is assigned to the study of drawing. On the one hand, teachers have to explain the course to the audience that is completely unprepared for spatial thinking. On...
Descriptive Geometry and engineering graphics is one of the educational disciplines that forms the basis of engineering education. Unfortunately, in many schools such subject as drawing is classified as a secondary one, and only spare time is assigned to the study of drawing. On the one hand, teachers have to explain the course to the audience that is completely unprepared for spatial thinking. On...
Optimization of the impact multi-mass vibration absorbers. The problem of attaching dynamic vibration absorber (DVA) to a discrete multi-degree-of-freedom or continuous structure has been outlined in many papers and monographs. An impact damping system can overcome some limitations by impact as the damping medium and impact mass interaction as the damping mechanism. The paper contemplates the provision...
The problem of attaching dynamic vibration absorber (DVA) to a discrete multi-degree-of-freedom or continuous structure has been outlined in many papers and monographs. An impact damping system can overcome some limitations by impact as the damping medium and impact mass interaction as the damping mechanism. The paper contemplates the provision of DVA with the several of the impact masses. Such originally...
Purpose: The main aim of this paper is improved dynamic vibration impact and particle absorbers design with taking into account complex machines dynamic. Design/methodology/approach: The numerical schemes row is considered for the complex vibro-loaded constructions. Methods of decomposition and the numerical schemes synthesis on the basis of discrete-continuum modelling are considered. Findings: Development...
This study aims to predict the sound transmission properties of composite layered beams structures with the system of dynamic vibration absorbers (DVA’s). The effective stiffness constants of equivalent to lamina Timoshenko beam and their damping properties have been determined by using a procedure based on multi-level numerical schemes and eigen-frequencies comparison. The strategy of an anisotropic...
This study aims to predict the sound transmission properties of composite layered beams structures with the system of dynamic vibration absorbers (DVA’s). The effective stiffness constants of equivalent to lamina Timoshenko beam and their damping properties have been determined by using a procedure based on refined numerical schemes and eigen-frequencies comparison. Numerical evaluations obtained...
A new mathematical model for complicated machine constructions dynamic properties calculation and optimization by DVA is proposed. The essence of the method is to introduce the few parameter models such that the differential equations for machines construction and there dynamic properties optimization can be effectively analyzed.
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.