Finite element formulations for transient dynamic analysis in structural systems with viscoelastic treatments containing fractional derivative models

2007 ◽  
Vol 69 (10) ◽  
pp. 2173-2195 ◽  
Author(s):  
Fernando Cortés ◽  
María Jesús Elejabarrieta
Keyword(s):  
Finite Element ◽  
Fractional Derivative ◽  
Dynamic Analysis ◽  
Structural Systems ◽  
Transient Dynamic Analysis ◽  
Transient Dynamic ◽  
Finite Element Formulations

Transient Dynamic Analysis of Maglev Linear Feed Unit

2011 ◽  
Vol 317-319 ◽  
pp. 405-409
Author(s):  
An Dong Jiang ◽  
Jiang Jin ◽  
Su Yang Ma ◽  
Zheng Peng Xia ◽  
Ping Liao
Keyword(s):  
Finite Element ◽  
Dynamic Analysis ◽  
Magnetic Levitation ◽  
Element Model ◽  
Design Stage ◽  
Transient Dynamic Analysis ◽  
Element Analysis ◽  
Forecast Performance ◽  
Transient Dynamic ◽  
Feed Unit

Abstract. The magnetic levitation linear feed unit is a new type of machine features. In machining, the tool and workpiece interaction force will be delivered to the table and make the deformation, resulting in processing errors of machine tools, machining of precision and surface quality. In this paper we established three-dimensional finite element model of the table of feed unit, use the finite element analysis software ANSYS to analysis of the transient dynamic analysis of the pre-designed table and improve the structure of the table at the design stage and forecast performance of the table and provide a theoretical basis for structure optimization.

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