ANALYSIS SYSTEM, ANALYSIS METHOD, AND ANALYSIS PROGRAM

摘要

PROBLEM TO BE SOLVED: To stably analyze vibration of an engine at high speed.SOLUTION: An analysis system of one embodiment includes: a reception part; a linearization part; a conversion part; and a calculation part. The reception part receives characteristic matrix and external force of a stationary system, and characteristic matrix and external force of a rotary system stored in the stationary system. The linearization part performs linearization of both of bearing force in an equation of motion of the stationary system and bearing force in an equation of motion of the rotary system. The conversion part converts the external force in the stationary system and the external force in the rotary system into a common frequency region. The calculation part creates a relational expression of the external force and displacement vector based on the linearization processing and the conversion processing, and then acquires displacement vectors of the stationary system and the rotary system from the relational expression.