1. An analyzing model creating apparatus comprising: a storage unit; a display unit; a part configured to obtain and store in the storage unit a three-dimensional analyzing model of an analyzing target which is input and regions of the three-dimensional analyzing model; a generating part configured to obtain a reference point on an impact surface from a normal vector of the impact surface represented by a unit vector and a minimum value and a maximum value of each coordinate obtained from the regions of the three-dimensional analyzing model, and to generate and store in the storage unit the impact surface having an impact attitude of the three-dimensional analyzing model with respect to the impact surface defined by an arbitrary rotary position of the impact surface; a part configured to generate and store in the storage unit an analysis input file which includes information related to the three-dimensional analyzing model, the impact surface, and an impact velocity with which the three-dimensional analyzing model and the impact surface collide; and an analyzing part configured to analyze a strength of the three-dimensional analyzing model based on the analysis input file and to display analysis results on the display unit.