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A new integral equation-based nonoverlapping domain decomposition method (NDDM) is proposed for analyzing electromagnetic (EM) scattering from electrically large PEC objects whose MLFMA models are too large for the user’s computer to accommodate. The integral equation is first built on the entire PEC surface, and the entire surface is partitioned into some nonoverlapping subsurfaces. The RWG functions...
In this paper, a new modeling procedure for the integral equation-based non-overlapping domain decomposition method (IE-NDDM) is proposed. First the integral equation is established on the entire PEC surface, then the entire surface is partitioned into some non-overlapping open-surfaces (called subdomains). The RWG basis functions are used to expand the equivalent surface electric current on the entire...
In this paper, an accurate method for determining all the modes in a layered medium background truncated at top by a perfectly matched layer (PML) backed with a perfectly electric conductor (PEC) is proposed. Adding a PML backed with a PEC makes the Green's functions for a layered medium background can be expanded with the discrete set of the eigenmodes, avoiding numerically calculating the Sommerfeld...
In this short paper, a strict combined field integral equation formulation is proposed to solve electromagnetic scattering from perfect electric conductor surfaces with open boundary. The core idea of this method is to combine the magnetic field integral equation for an open surface with the traditional electric field integral equation. The method of moments equations obtained here will be solved...
In this short paper, a shared memory-based parallel out-of-core LU solver for matrix equations is presented and applied to solve MoM matrix equations of EM scattering on an ordinary multi-core computer. The pseudo-code of the solver is given and implemented in C++ on Microsoft's VS2005 platform by the help of OpenMP. Three numerical examples in EM problems are provided to test the capability of the...
An overlapped domain decomposition method with congruent sub-domains is developed for electromagnetic surface integral equations. Based on congruent sub-domains, the proposed method creates a set of uniform mesh such that all the self-matrices on the congruent sub-domains share an interior-interior sub-matrix, which can reduce the memory requirement and the matrix filling time, intensively, especially...
Resource sharing can cause unfair and unpredictable performance of concurrently executing applications in Chip-Multiprocessors (CMP). The shared last-level cache is one of the most important shared resources because off-chip request latency may take a significant part of total execution cycles for data intensive applications. Instead of enforcing performance fairness directly, prior work addressing...
This paper describes seamless transitions among various MOS devices, ranging from bulk and partially/fully-depleted SOI to double-gate FinFETs and silicon-nanowire MOSFETs. The underlying governing equations for various structures are outlined, which provide the motivation for unifying MOS compact models with the unified regional modeling (URM) approach.
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