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After the breakthrough in 2005, developments in Numerical Relativity have been able to tackle the binary black hole merger problem. These type of simulations are now routine and are used frequently to construct waveform models for the gravitational wave community. In this talk, I introduce the theoretical concepts of Numerical Relativity, starting with the ADM decomposition of Einstein's equations. I motivate nonspinning solutions for the initial data problem. Finally, we look at postprocessing methods, especially in the context of event and apparent horizon finders. |