航空发动机
航空髮動機
항공발동궤
AERO ENGINE
2011年
5期
4-6,10
,共4页
轮盘%破裂准则%破裂转速%材料非线性%非线性有限元法
輪盤%破裂準則%破裂轉速%材料非線性%非線性有限元法
륜반%파렬준칙%파렬전속%재료비선성%비선성유한원법
disc%burst criterial%burst rotational speed%nonlinear material%nonlinear finite element method
建立了与材料延伸率相关的轮盘弹塑性破裂准则。为了验证所提出破裂准则的正确性,采用非线性有限元对变厚度轮盘破裂试验件的破裂转速进行了预测,并与试验结果进行了对比。结果表明,二者吻合很好。
建立瞭與材料延伸率相關的輪盤彈塑性破裂準則。為瞭驗證所提齣破裂準則的正確性,採用非線性有限元對變厚度輪盤破裂試驗件的破裂轉速進行瞭預測,併與試驗結果進行瞭對比。結果錶明,二者吻閤很好。
건립료여재료연신솔상관적륜반탄소성파렬준칙。위료험증소제출파렬준칙적정학성,채용비선성유한원대변후도륜반파렬시험건적파렬전속진행료예측,병여시험결과진행료대비。결과표명,이자문합흔호。
The elastic-plastic disc burst criteria related to material elongation was established. In order to validate the criteria, the burst rotational speed of the variable thickness test disc were predicted using the nonlinear finite element method. The prediction were compred with the test data. The results show the prediction were in accord with the test data.