To provide a calculation device, a calculation method, and a program capable of calculating a stress intensity factor corresponding to a plurality of load conditions about a defective part of a structure.SOLUTION: A calculation device 10 includes a calculation unit 11 for calculating a stress intensity factor KI, KII by using an average load component in each load condition, a calculation unit 12 for calculating a stress intensity factor KI, KII by using a variable load component under each load condition, a calculation unit 13 for calculating a stress intensity factor Kθmax in a maximum principal stress direction by using the stress intensity factor KI, KII calculated by the calculation unit 11, a calculation unit 14 for calculating the stress intensity factor Kθmax in a maximum principal stress direction by using the stress intensity factor KI, KII calculated by the calculation unit 12, a calculation unit 15 for calculating a stress intensity factor Kθm by taking the sum of the stress intensity factor Kθmax calculated in each load condition by the calculation unit 13, and a calculation unit 16 for calculating a stress intensity factor Kθa by taking the root sum square of the stress intensity factor Kθmax calculated under each load condition by the calculation unit 14.SELECTED DRAWING: Figure 1
【課題】構造物の欠陥部について複数の荷重条件に対応した応力拡大係数を算出することができる、算出装置、算出方法およびプログラムを提供する。【解決手段】算出装置10は、荷重条件ごとに平均荷重成分を用いて応力拡大係数KI,KIIを算出する算出部11と、荷重条件ごとに変動荷重成分を用いて応力拡大係数KI,KIIを算出する算出部12と、算出部11が算出した応力拡大係数KI,KIIを用いて最大主応力方向の応力拡大係数Kθmaxを算出する算出部13と、算出部12が算出した応力拡大係数KI,KIIを用いて最大主応力方向の応力拡大係数Kθmaxを算出する算出部14と、算出部13が荷重条件ごとに算出した応力拡大係数Kθmaxの和を取って応力拡大係数Kθmを算出する算出部15と、算出部14が荷重条件ごとに算出した応力拡大係数Kθmaxの二乗和平方根を取って応力拡大係数Kθaを算出する算出部16とを備える。【選択図】 図1
CALCULATION DEVICE, CALCULATION METHOD, AND PROGRAM
算出装置、算出方法およびプログラム
2022-05-16
Patent
Elektronische Ressource
Japanisch
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