Stress and Modal Analysis of Flat Spiral Spring in Elastic Energy Storage Equipment

2011 ◽  
Vol 121-126 ◽  
pp. 1754-1758
Author(s):  
Wei Duan ◽  
Heng Chang Feng
Keyword(s):  
Power Generation ◽  
Energy Storage ◽  
Modal Analysis ◽  
Optimization Design ◽  
Element Model ◽  
Strong Basis ◽  
Maximum Deformation ◽  
Spiral Spring ◽  
Modes Of Vibration ◽  
Flat Spiral

The energy storage technology is playing an important role in improving power grid stability. Aiming to the randomness and intermittent characteristics of wind power generation, the paper proposed a scheme of mechanical elastic storage energy and power generation system based on flat spiral spring. The flat spiral spring, which is the core component in the system, is selected as the research object, and the mechanical model and the finite element model is created. The geometric parameters of spring are determined. The maximum deformation and the stress distribution of spring are obtained. Moreover, the modal analysis of spring is carried out and the natural frequencies and modes of vibration of first 20 orders are obtained. The relationship between the natural frequency and deformation is also analyzed. All the results in this paper provide a strong basis for the optimization design of spring and the calculation of energy density.

Optimization Design of DVG850 Worktable System Based on ANSYS Workbench

2012 ◽  
Vol 184-185 ◽  
pp. 356-359
Author(s):  
Jiang Miao Yi ◽  
Dong Qiang Gao ◽  
Fei Zhang ◽  
Huan Lin
Keyword(s):  
Modal Analysis ◽  
Natural Frequency ◽  
High Speed ◽  
Optimization Design ◽  
Element Model ◽  
Single Screw ◽  
Machining Center ◽  
The Finite Element Model ◽  
Better Than ◽  
Ansys Workbench

The finite element model of worktable system is created and modal analysis is made with ANSYS Workbench by taking DVG850 high-speed vertical machining center worktable system for example. We make modal analysis of single-screw strength general reinforcement worktable system and get the natural frequency and the vibration mode.Then in order to improve the system's natural frequency, the scheme of dual-screw worktable system is put forward. Also natural frequency and vibration mode is got. Finally, it is proved that the performance of dual-screw worktable system is significantly better than the single-screw one. This provides a reliable reference for further study on dynamic analysis of worktable system.

Optimization Design of CTP Imaging Drum Based on ANSYS

2011 ◽  
Vol 217-218 ◽  
pp. 1781-1788 ◽  
Author(s):  
Jie Fang Xing ◽  
Xiao Yu Ni ◽  
Jie Zhang ◽  
Du Juan Chen
Keyword(s):  
Finite Element ◽  
Optimization Model ◽  
Optimization Design ◽  
Geometric Model ◽  
Element Model ◽  
Internal Diameter ◽  
External Diameter ◽  
Factors Affecting ◽  
Maximum Deformation ◽  
Design Variables

In the imaging process, the deformation of the plate caused by the structure of the drum, finally affecting the quality of the plate, we analyze and optimize the structure of the drum using the finite element method. Selecting the larger three factors affecting the plate deformation as the design variables, and taking minimizing the maximum deformation of the plate as the objective function, we establish the optimization model of the structure of the drum. We use the APDL parametrization language to create the geometric model and finite element model of the drum, and select the contact element to simulate the relationship between the plate and the surface of the drum, and use ANSYS software to optimize the optimization model. It is shown form the result that: the minimum of the maximum deformation of the drum getting from the 8th iteration is 0.0021535mm, significantly reduced compared with the initial value 0.002864mm. At this point, the internal diameter D2 of the drum is 300.04mm, the groove width L2 is 14.323mm, the external diameter of groove height D3 is 338.44mm. It indicates that that the smaller the internal diameter of the drum and the narrower the guide groove on the drum surface are, the smaller the maximum deformation of the plate is, and the guide groove height has little influence on the deformation. The results can be provided as theoretical reference for the design of CTP imaging drum, which has popularization and application value.

Simulation of Residual Stress in Cold Working of Flat Spiral Springs

2014 ◽  
Vol 941-944 ◽  
pp. 1977-1980
Author(s):  
Zhan Hua Li ◽  
Jing Tao Han ◽  
Jing Cheng ◽  
Shuai Ji
Keyword(s):  
Residual Stress ◽  
Cold Working ◽  
Great Influence ◽  
Element Model ◽  
Working Process ◽  
Optimization Of Process Parameters ◽  
Object Based ◽  
Spiral Spring ◽  
Overall Performance ◽  
Flat Spiral

Spring residual stress is a great influence on the overall performance of springs. In this paper, a flat spiral spring is taken as the research object, based on ABAQUS, the finite element model of residual stress during cold working of flat spiral springs is built. The magnitude and distribution of residual stress in cold working of flat spiral springs are simulated under different parameters. The effect of residual stress on the use performance of flat spiral springs is investigated. Optimization of process parameters is acquired. A reasonable processing technology is formulated, which provides theoretical basis for the cold working process.

Optimization Design and Modal Analysis of Satellite SAR Deployable Support Structure

2014 ◽  
Vol 635-637 ◽  
pp. 185-189 ◽  
Author(s):  
Yan Wang ◽  
Rong Qiang Liu ◽  
Hui Yang ◽  
Bin Wang
Keyword(s):  
Finite Element ◽  
Optimal Design ◽  
Modal Analysis ◽  
Optimization Design ◽  
Thermal Environment ◽  
Element Model ◽  
Design Flow ◽  
Affecting Factors ◽  
Thermal Fields ◽  
The Finite Element Model

The design flow of deployable support structures is proposed based on modal analysis, and the finite element model for DST of satellite SAR is researched. On these bases, the affecting factors of DST attitude fundamental frequency (f1) and mass, such as geometry parameters, the lock position, stiffness of hinges and thickness of truss links, are analyzed and optimized. Lastly, considering of space thermal environment the optimal design of the DST is meted the requirements under different thermal fields. The research results are of great importance to improve the performances of DST.

scholarly journals Topological Design of a Mortar Base Plate under Impact Loads

2021 ◽  
Vol 2021 ◽  
pp. 1-13
Author(s):  
Fengfeng Wang ◽  
Guolai Yang
Keyword(s):  
Topology Optimization ◽  
Optimization Design ◽  
Base Plate ◽  
Element Model ◽  
Variable Density ◽  
Topological Optimization ◽  
Force Transmission ◽  
Maximum Deformation ◽  
Topological Design ◽  
Quality Constraint

In this work, the topology optimization of a mortar base plate is analysed under impact loading conditions. Usually, in this case, only ordinary topology optimization under volume constraints is considered. However, to reduce the quality of the mortar base plate and facilitate engineering applications, the topological optimization problem of the continuum of the base plate under the engineering and quality constraint is considered. A finite element model has been established and verified by testing for the mortar base plate. The variable density method was used to obtain the topological optimization results of the base plate based on the force transmission path, and then the structure was reconstructed. The mass of the optimization model of the base plate is 12.78% lower than that of the original model. In comparison with the original base plate before optimization, the results show that the maximum deformation and stress of the base plate decreased by 16.85% and 35.52%, respectively. Also, the firing stability of the mortar meets requirements, which not only meet the design requirement but also provide a reference for the performance improvement and structural optimization design of the base plate.

Modal Analysis and Testing of Large-Span Space Steel Structure

2010 ◽  
Vol 154-155 ◽  
pp. 386-389
Author(s):  
Zhi Chao Tang ◽  
Zhong Jun Yin ◽  
Bing Chen ◽  
Lian Wan Zhang
Keyword(s):  
Finite Element ◽  
Modal Analysis ◽  
Optimization Design ◽  
Steel Structure ◽  
Element Model ◽  
Rotary Hearth Furnace ◽  
Hearth Furnace ◽  
Element Analysis ◽  
Large Span ◽  
Stress At Work

Large-span space steel structure, rotary hearth furnace lower ring, has dynamic stress at work caused by shock or vibration leading to the destruction of steel, so in the design of rotary hearth furnace lower ring, dynamic design is an essential part [1, 2]. Finite element analysis software ANSYS is used to build its finite element model. Modal analysis is carried on, and experimental data is compared with the calculation result, which effectively estimates the vibration characteristics and structural optimization design of the structure, and provides strong technical support for its design and manufacture[3, 4].

Modal Analysis on 600 Wh Energy Storage Flywheel Rotor System

2013 ◽  
Vol 572 ◽  
pp. 521-524
Author(s):  
Zheng Yi Ren ◽  
Jing Na Liu ◽  
Yong Jie Han ◽  
Wan Qing Teng
Keyword(s):  
Energy Storage ◽  
Modal Analysis ◽  
Three Dimensional ◽  
Element Model ◽  
Magnetic Bearing ◽  
Rotor System ◽  
Active Magnetic Bearing ◽  
Future Design ◽  
Three Dimensional Finite Element ◽  
Flywheel Rotor

The three-dimensional finite element model of 600 Wh energy storage flywheel rotor system supported by active magnetic bearing (AMB) was built with the commercial software ANSYS to carry out the modal analysis. The modeling method of the AMB and their effect on the rotor system are explored. Modal analysis was performed, and the modal shapes of the rotor system were obtained. The Campbell diagram calculated by ANSYS was gained to be compared with the one calculated by the theoretical dynamics model. This research provides a theoretical basis for the rotor system design. The ideas and methods can be used as a reference for the study of dynamic characteristics of the rotor system and direct the flywheel prototype future design.

The Modal Analysis of Focusing Mechanism for Laser Anti-Counterfeit Platform in Production Manufacturing Engineering

2013 ◽  
Vol 345 ◽  
pp. 429-433
Author(s):  
Rui Tian
Keyword(s):  
Finite Element ◽  
Modal Analysis ◽  
Static Analysis ◽  
Optimization Design ◽  
Element Model ◽  
Vibration Modes ◽  
3D Design ◽  
Design Software ◽  
Manufacturing Engineering ◽  
The Finite Element Model

The use of 3D design software Inventor, established the mechanical structure and the finite element model of laser anti-counterfeit platform focusing mechanism in production manufacturing engineering. Through doing the modal analysis and static analysis of the mechanism, we found the natural frequency and Vibration modes of the structure of focusing mechanism, and proved the mechanism design was reliable and stable to avoid the failure of focusing caused by mechanical resonance and which provided the basis for further optimization design for production manufacturing engineering.

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