RigorEMIR is a power reliability solution that uses modern computing architecture and is designed for ultra large scale digital circuits. It provides power, IR, EM, and other analysis with signoff accuracy. High performance solution with independent intellectual property rights, distributed computing architecture, multi physics model simulation, combined with RigorTime engine, covering power integrity analysis from RTL to gate level, full chip, and packaging, including static/dynamic EM/IR analysis, and providing users with a simple and friendly visual diagnostic interface to help designers detect potential design hazards early, quickly and efficiently, locating and providing repair solutions.