Effective permittivity of periodic composite materials: Numerical modeling by the finite element method

2012 ◽  
Vol 70 (4) ◽  
pp. 393-399 ◽  
Author(s):  
Nawfal Jebbor ◽  
Seddik Bri
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Numerical Modeling ◽  
Composite Materials ◽  
Effective Permittivity ◽  
The Finite Element Method ◽  
Periodic Composite ◽  
Element Method

Simulation of the Co-Extrusion of Hybrid Mg/Al Profiles

2009 ◽  
Vol 424 ◽  
pp. 113-119 ◽  
Author(s):  
Jerome Muehlhause ◽  
Sven Gall ◽  
Sören Müller
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Composite Materials ◽  
Material Flow ◽  
Extrusion Process ◽  
The Finite Element Method ◽  
Porthole Die ◽  
Single Production ◽  
Element Method

Extrusion of composite materials can offer big advantages. In this work the manufacturing of a hybrid metal profile in a single production step was investigated. A porthole die was used, thus producing profiles with extrusion seams. Along the seams a material mix up was visible. The extrusion process was simulated with the Finite Element Method to investigate the material flow in die and welding chamber in order to understand the cause for the defects at the seams.

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