Non-Conformal Domain Decomposition Method With Mixed True Second Order Transmission Condition for Solving Large Finite Antenna Arrays

2011 ◽  
Vol 59 (5) ◽  
pp. 1638-1651 ◽  
Author(s):  
Zhen Peng ◽  
Jin-Fa Lee
Keyword(s):  
Domain Decomposition ◽  
Antenna Arrays ◽  
Decomposition Method ◽  
Domain Decomposition Method ◽  
Transmission Condition ◽  
Second Order

scholarly journals Parallel Multiphysics Simulation of Package Systems Using an Efficient Domain Decomposition Method

Electronics ◽  
2021 ◽  
Vol 10 (2) ◽  
pp. 158
Author(s):  
Weijie Wang ◽  
Yannan Liu ◽  
Zhenguo Zhao ◽  
Haijing Zhou
Keyword(s):  
Domain Decomposition ◽  
Antenna Arrays ◽  
Electromagnetic Interference ◽  
Decomposition Method ◽  
High Performance ◽  
Large Scale ◽  
Electromagnetic Compatibility ◽  
Domain Decomposition Method ◽  
Computation Time ◽  
Multiphysics Simulations

With the continuing downscaling in feature sizes, the thermal impact on material properties and geometrical deformations can no longer be ignored in the analysis of the electromagnetic compatibility or electromagnetic interference of package systems, including System-in-Package and antenna arrays. We present a high-performance numerical simulation program that is intended to perform large-scale multiphysics simulations using the finite element method. An efficient domain decomposition method was developed to accelerate the multiphysics loops of electromagnetic–thermal stress simulations by considering the fact that the electromagnetic field perturbations caused by geometrical deformation are small and constrained in one or a few subdomains. The multi-level parallelism of the algorithm was also obtained based on an in-house developed parallel infrastructure. Numerical examples showed that our algorithm is able to enable simulation with multiple processors in parallel and, more importantly, achieve a significant reduction in computation time compared with traditional methods.

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