scholarly journals Hybrid Discontinuous Finite Element∕Finite Difference Method for Maxwell’s Equations

2010 ◽  
Author(s):  
L. Beilina ◽  
Theodore E. Simos ◽  
George Psihoyios ◽  
Ch. Tsitouras
Keyword(s):  
Finite Element ◽  
Finite Difference ◽  
Finite Difference Method ◽  
Difference Method ◽  
Maxwell’S Equations ◽  
Maxwell's Equations ◽  
Discontinuous Finite Element

scholarly journals Bolt-Grout Interactions in Elastoplastic Rock Mass Using Coupled FEM-FDM Techniques

2010 ◽  
Vol 2010 ◽  
pp. 1-13 ◽  
Author(s):  
Debasis Deb ◽  
Kamal C. Das
Keyword(s):  
Finite Element ◽  
Rock Mass ◽  
Finite Difference ◽  
Finite Difference Method ◽  
Difference Method ◽  
Experimental Validation ◽  
Yield Criterion ◽  
Numerical Procedure ◽  
Practical Applications ◽  
Finite Element Procedure

Numerical procedure based on finite element method (FEM) and finite difference method (FDM) for the analysis of bolt-grout interactions are introduced in this paper. The finite element procedure incorporates elasto-plastic concepts with Hoek and Brown yield criterion and has been applied for rock mass. Bolt-grout interactions are evaluated based on finite difference method and are embedded in the elasto-plastic procedures of FEM. The experimental validation of the proposed FEM-FDM procedures and numerical examples of a bolted tunnel are provided to demonstrate the efficacy of the proposed method for practical applications.

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