江苏科技大学学报(自然科学版)
江囌科技大學學報(自然科學版)
강소과기대학학보(자연과학판)
JOURNAL OF JIANGSU UNIVERSITY OF SCIENCE AND TECHNOLOGY(NATURAL SCIENCE EDITION)
2014年
3期
250-254,306
,共6页
排气系统%加速试验%损伤等效%试验谱编辑%应变寿命
排氣繫統%加速試驗%損傷等效%試驗譜編輯%應變壽命
배기계통%가속시험%손상등효%시험보편집%응변수명
exhaust system%accelerated test%damage equivalence%test spectrum edit%E - N life
在损伤等效和失效模式相同的前提下,应用疲劳分析软件 Glyphworks,对从试验场采集的汽车排气系统道路载荷谱进行编辑。得到预计试验时间和保留不同损伤量的台架试验加速载荷谱编辑结果,并进行试验验证。结果表明:与传统耐久试验方法相比,该方法能在更短的时间内准确再现失效模式。
在損傷等效和失效模式相同的前提下,應用疲勞分析軟件 Glyphworks,對從試驗場採集的汽車排氣繫統道路載荷譜進行編輯。得到預計試驗時間和保留不同損傷量的檯架試驗加速載荷譜編輯結果,併進行試驗驗證。結果錶明:與傳統耐久試驗方法相比,該方法能在更短的時間內準確再現失效模式。
재손상등효화실효모식상동적전제하,응용피로분석연건 Glyphworks,대종시험장채집적기차배기계통도로재하보진행편집。득도예계시험시간화보류불동손상량적태가시험가속재하보편집결과,병진행시험험증。결과표명:여전통내구시험방법상비,해방법능재경단적시간내준학재현실효모식。
On the premise of the same failure mode and damage equivalence,the loading spectra of the exhaust system of a passenger car were edited by using fatigue strength analysis software Glyphworks. Then both the test duration and fatigue editing were displayed with various damage retained,and validation test was conducted. Compared with traditional durability tests,the test duration and cost of our method were reduced markedly.