In this study, a proof-of-concept is presented for extending the fatigue life of modern multi-megawatt wind turbine blades. For this purpose, spinning finite element model of the blade is ...
The model of ultra-heavy vibrating screen has been established by using finite element analysis software ANSYS, the stress distribution of the screen box has been revealed under static load ...
Simulation of simplified the part structures of vibration screen by ANSYS software, and then establishes the finite element model of the linear vibration screen. Modal analysis and harmonic ...
on Abaqus. Abstract Aiming at the design defects of the existing structure of the linear vibrating screen, the finite element analysis model of the linear vibrating screen was established by …
Discrete element method (DEM) was employed to model the particle-particle and particle-screen interactions. Spherical and non-spherical particles were also modelled to gain a more accurate simulation of screening. A virtual screening model and a three-dimensional geometry of a vibrating screen were set up to perform a simulation of screening process …
The efficient separation of crushed solar panel particles is a critical step in photovoltaics (PV) recycling. In this paper, a DEM-based computer model is used to investigate the separation of crushed solar panel particles in a variety of shapes (including rod-like glass particles and chip-like solar cell particles and small broken residue) at the particle scale in a …
Research on impact characteristics of screening coals on vibrating screen based on discrete-finite element method. Zhenqian Wang School of Mechanical and Vehicle Engineering, ... The analysis results indicate that the impact force decreases as the amplitude, frequency, and inclination angle increase, and increases as the vibration direction ...
Dynamic analysis of a dashpots equipped vibrating screen using finite element method, Physicochemical Problems of Mineral Processing, 2021, Volume Vol. 57, iss. 1, DOI: 10.37190/ppmp/130001 Home About
This study is motivated by the condition monitoring and fault diagnostics of structural beams used in large-scale vibrating screens for the mining industry. For the purpose of developing a reliable model-based approach, a new stiffness matrix of a three-dimensional finite element is proposed for modelling a beam with a breathing crack. Using the obtained stiffness …
finite element analysis, respectively. DEM and finite element method (FEM) were coupled to present a simulation of the interactions between particles and screen surface in a virtual screening process.
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The dynamic characteristics of the disc spring vibration screen are studied by numerical analysis, finite element simulation, and experiment. Then, the natural frequencies, mode shapes, and amplitudes at different positions are obtained by modal and amplitude test. ... transmission shaft, and disc spring system. The finite element model of ...
This study analyzed the structural strength of the HZXZ200x300 large vibrating screen, employing finite element simulation to identify the maximum equivalent stress and primary …
Spring failure is one of the critical causes of the structural damage and low screening efficiency of mining vibrating screens. Therefore, spring failure diagnosis is necessary to prompt maintenance for the safety and reliability of mining vibrating screens. In this paper, a spring failure diagnosis approach is developed. A finite element model of mining vibrating …
according to the vibration theory (Rodriguez et al., 2016; Jiang et al., 2017; Wang et al., 2017). As a kind of vibration machine, the dynamic model of a vibrating screen is similar to the other vibration machines and they all belong to a mass-damping-stiffness system in the vibration theory. From the viewpoint of
Based on this, the dynamic models of the beam structure can be established by applying the finite element method, taking into account the motion characteristics of the vibrating screen beam. The model can better reflect the inherent relationship between the dynamic performance of the system and its structural and material parameters in a more ...
This behavior has been studied by means of finite element analysis and compared with data obtained from a real case scenario, in which a helical spring failed. The 3D computational model was developed using the geometric characteristics and material properties of a fractured spring, as well as the loading characteristics of a specific vibrating ...
Simulation of simplified the part structures of vibration screen by ANSYS software, and then establishes the finite element model of the linear vibration screen. Modal analysis and harmonic analysis of finite element model, and then according to the analysis results corresponding local structural modifications and adjust the center of mass of the modified …
In this study, to focus on the problems of a negative pressure vibrating screen, a three-dimensional model of the exciter and the screen is established by using the modeling software, and a finite ...
Further analysis would include employing finite element method to determine stress levels in undamaged and damaged coil spring along with numerical estimation of fatigue life. View full-text Article
In this paper a finite element analysis (FEA) on a reconfigurable vibrating screen (RVS) is carried out to determine whether the structure will perform as desired under extreme …
The sensitivity analysis in this paper was achieved by keeping bed depth, length and breadth of the screen constant while changing the loads applied on the screen structure, which corresponds to ...
A finite element model of the vibrating screen was established by parameterization modeling. Through modal analysis and static analysis of the model, the …
The emergence of substantial dynamic inertial forces can be attributed to the considerable body mass of a large vibrating screen. This study analyzed the structural strength of the HZXZ200x300 large vibrating screen, employing finite element simulation to identify the maximum equivalent stress and primary stress distribution.
The model of ultra-heavy vibrating screen has been established by using finite element analysis software ANSYS, the stress distribution of the screen box has been revealed under static load ...
The dynamic response of the vibrating screen at any time can be obtained through finite element analysis and the result is used to judge whether the intensity meets the …
Failure and sensitivity analysis of a reconfigurable vibrating screen using finite element analysis; Z.J. Yang et al. Dynamic topological optimization of griddle under multiple frequencies constraints ... Fatigue Failure Analysis of Vibrating Screen Spring by Means of Finite Element Simulation: A Case Study[C], XIV International Conference on ...
The working frequency selection of the ZK30525 vibrating screen was studied using ANSYS. Integrating the dynamic performance simulation analysis of the vibrating screen structure, the variation laws of beams' vibration displacements changing with different exciting frequencies were researched. These beams include six beams, with one discharging beam …
A finite element model of a type of large vibration screen was built with ANSYS software. Harmonic responses of the vibration screen were acquired under different alternate loads by simulation ...
In order to study the stress distribution of dual-frequency vibrating screen and ensure the screen box has sufficient strength and longevity, a finite element model of dual-frequency vibrating ...
The 3D-model of the vibratory screening conveyor is designed in the SolidWorks software; the strength analysis of the conveyor's springs is performed using the finite-element method integrated ...
This study proposes the use of vibration absorbers to control the adverse effects of severe screen vibrations. The dynamic behavior of a medium-sized vibrating screen utilized in the aggregate industry was investigated using the finite element method for both spring/dashpots and conventional solely spring systems.
The finite element method is employed to obtain the vibration modes of the screen. In addition to, the effects of the materials of piezo, applied voltage, the number of the piezo patches are investigated to produce the best vibration function and graphically are presented.
Before the finite element analysis, the finite el ement model of the vibra ting screen needs to be established in ANSYS Workbench. In view of the complex structure of 2460 double-layer circular
In order to study the stress distribution of dual-frequency vibrating screen and ensure the screen box has sufficient strength and longevity, a finite element model of dual-frequency vibrating screen was built, and the stress, modes and fatigue life of the screen box were analyzed. The results indicate that, the stress concentration appears at the contacting parts between the …
The large-scale and modular design of vibrating screen brings about the trend that the screen separate from screen frame. The separation of the screen frame and the screen changes their dynamic characteristics. By making modal …
