Investigation of error source in equivalence principle algorithm (EPA)

摘要: The integral equation-based solvers have difficulty dealing with multi-scale problems because of disparate meshing and consequently the coexistence varied physics (i.e., ray physics, wave circuit physics). Equivalence principle algorithm (EPA), as a domain decomposition method, has shown great potential to address some these issues. EPA initially divides an original large problem into smaller ones by defining appropriate enclosing surfaces, then solves each them independently. Later, it uses equivalence move solutions surface stitch together produce solution for problem. This provides parallelization solution, flexibility selecting mesh strategy, its reuse, also improved condition number matrix system. Despite advantages, error source not been well-studied which will be partially addressed in here.