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Numerical Simulation of Grain Boundary Grooving By Level Set Method
 

Summary: Numerical Simulation of Grain Boundary Grooving By
Level Set Method
M. Khenner 1 A. Averbuch 1 M. Israeli 2 M. Nathan 3
1 Department of Computer Science
School of Mathematical Sciences
Tel Aviv University, Tel Aviv 69978, Israel
2 Faculty of Computer Science
Technion, Haifa 32000, Israel
3 Department of Electrical Engineering­Physical Electronics
Faculty of Engineering
Tel Aviv University, Tel Aviv 69978, Israel
Abstract
A numerical investigation of grain­boundary grooving by means of a Level Set
method is carried out. An idealized polycrystalline interconnect which consists of grains
separated by parallel grain boundaries aligned normal to the average orientation of the
surface is considered. Initially the surface diffusion is the only physical mechanism
assumed. The surface diffusion is driven by surface curvature gradients, while a fixed
surface slope and zero atomic flux are assumed at the groove root. The corresponding
mathematical system is an initial boundary value problem for a two­dimensional equa­
tion of Hamilton­Jacobi type. The results obtained are in good agreement with both

  

Source: Averbuch, Amir - School of Computer Science, Tel Aviv University

 

Collections: Computer Technologies and Information Sciences