Non-linear stress strain analysis device, non-linear stress strain analysis method, and non-linear stress strain analysis program

摘要

The present invention provides a non-linear stress strain analysis device, a non-linear stress strain analysis method, and a non-linear stress strain analysis program capable of performing finite element analysis using non-linear stress strain characteristics in multi-axial stress states of component members. A multiaxial stress material property storage unit (26) in which non linear stress strain characteristics in multiaxial stress state of component materials of a member are stored as material characteristics in a non-linear stress strain analysis device (10); The calculation unit 24 is provided with a non-linear stress-strain characteristic in a multi-axial stress state determined from the non-linear stress-strain characteristic stored in the multi-axial stress material characteristic storage unit 26 and an operation unit 24 performing finite element analysis using the non-linear stress-strain characteristic. [Selected figure] Figure 1