Pub Date : 1900-01-01DOI: 10.1533/9781845699796.1.47
R. Nijssen
Abstract Fatigue life prediction for realistic loading (variable amplitude loading) is typically based on constant amplitude fatigue data. This chapter details the steps between acquiring experimental data and calculating a life estimate and explains how interpretation of data and choice of fatigue models can influence life prediction.
{"title":"Phenomenological fatigue analysis and life modeling","authors":"R. Nijssen","doi":"10.1533/9781845699796.1.47","DOIUrl":"https://doi.org/10.1533/9781845699796.1.47","url":null,"abstract":"Abstract Fatigue life prediction for realistic loading (variable amplitude loading) is typically based on constant amplitude fatigue data. This chapter details the steps between acquiring experimental data and calculating a life estimate and explains how interpretation of data and choice of fatigue models can influence life prediction.","PeriodicalId":319726,"journal":{"name":"Fatigue Life Prediction of Composites and Composite Structures","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125890871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.1533/9781845699796.2.220
Y. Liu, S. Mahadevan
Abstract This chapter discusses the use of probabilistic models to describe the fatigue behavior of composite materials and to quantify the uncertainties in fatigue life prediction. The chapter first reviews existing methods for probabilistic fatigue life prediction and then discusses how to quantify the uncertainties in applied loading and material properties. Following this, a random process approach using the Karhunen-Loeve expansion technique is discussed to quantify the input uncertainties as well as their correlations. Probabilistic methods are presented to solve the time-dependent reliability problem. The probabilistic life prediction method is demonstrated under variable amplitude loading for several example problems.
{"title":"Probabilistic fatigue life prediction of composite materials","authors":"Y. Liu, S. Mahadevan","doi":"10.1533/9781845699796.2.220","DOIUrl":"https://doi.org/10.1533/9781845699796.2.220","url":null,"abstract":"Abstract This chapter discusses the use of probabilistic models to describe the fatigue behavior of composite materials and to quantify the uncertainties in fatigue life prediction. The chapter first reviews existing methods for probabilistic fatigue life prediction and then discusses how to quantify the uncertainties in applied loading and material properties. Following this, a random process approach using the Karhunen-Loeve expansion technique is discussed to quantify the input uncertainties as well as their correlations. Probabilistic methods are presented to solve the time-dependent reliability problem. The probabilistic life prediction method is demonstrated under variable amplitude loading for several example problems.","PeriodicalId":319726,"journal":{"name":"Fatigue Life Prediction of Composites and Composite Structures","volume":"110 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131644032","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.1016/b978-0-08-102575-8.09993-9
{"title":"Index","authors":"","doi":"10.1016/b978-0-08-102575-8.09993-9","DOIUrl":"https://doi.org/10.1016/b978-0-08-102575-8.09993-9","url":null,"abstract":"","PeriodicalId":319726,"journal":{"name":"Fatigue Life Prediction of Composites and Composite Structures","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127483009","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.1533/9781845699796.2.390
T. Philippidis, E. Eliopoulos
Abstract: A non-linear ply-to-laminate approach to analyze failure onset and damage propagation in generic laminates under multiaxial cyclic loading is presented. The FADAS (Fatigue DAmage Simulator) algorithm implements on the one hand simple phenomenological models to describe strength and stiffness loss at each ply due to fatigue and on the other hand adequate failure criteria to predict damage progression triggered by different failure mechanisms. The numerical model is suitable for predicting strength and stiffness of the laminate after arbitrary cyclic loading. Validation of theoretical results was performed by comparing with constant and variable amplitude fatigue data and residual static strength after fatigue from multidirectional glass/epoxy laminates. The agreement was satisfactory with most of the test results.
{"title":"A progressive damage mechanics algorithm for life prediction of composite materials under cyclic complex stress","authors":"T. Philippidis, E. Eliopoulos","doi":"10.1533/9781845699796.2.390","DOIUrl":"https://doi.org/10.1533/9781845699796.2.390","url":null,"abstract":"Abstract: A non-linear ply-to-laminate approach to analyze failure onset and damage propagation in generic laminates under multiaxial cyclic loading is presented. The FADAS (Fatigue DAmage Simulator) algorithm implements on the one hand simple phenomenological models to describe strength and stiffness loss at each ply due to fatigue and on the other hand adequate failure criteria to predict damage progression triggered by different failure mechanisms. The numerical model is suitable for predicting strength and stiffness of the laminate after arbitrary cyclic loading. Validation of theoretical results was performed by comparing with constant and variable amplitude fatigue data and residual static strength after fatigue from multidirectional glass/epoxy laminates. The agreement was satisfactory with most of the test results.","PeriodicalId":319726,"journal":{"name":"Fatigue Life Prediction of Composites and Composite Structures","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130852805","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.1533/9781845699796.2.177
M. Kawai
Abstract: This chapter describes a practical method of efficiently predicting the fatigue lives of composite materials for different values of stress ratio. It focuses on the constant fatigue life (CFL) diagram to predict the S–N curves for composites under different constant amplitude fatigue loading conditions. A particular emphasis is placed on a most general CFL diagram, called the anisomorphic CFL diagram, that allows efficiently identifying the mean stress sensitivity in a non-Goodman type of fatigue behavior of composites. An extended version of the anisomorphic CFL diagram that shows higher flexibility and thus allows better prediction is also presented.
{"title":"Fatigue life prediction of composite materials under constant amplitude loading","authors":"M. Kawai","doi":"10.1533/9781845699796.2.177","DOIUrl":"https://doi.org/10.1533/9781845699796.2.177","url":null,"abstract":"Abstract: This chapter describes a practical method of efficiently predicting the fatigue lives of composite materials for different values of stress ratio. It focuses on the constant fatigue life (CFL) diagram to predict the S–N curves for composites under different constant amplitude fatigue loading conditions. A particular emphasis is placed on a most general CFL diagram, called the anisomorphic CFL diagram, that allows efficiently identifying the mean stress sensitivity in a non-Goodman type of fatigue behavior of composites. An extended version of the anisomorphic CFL diagram that shows higher flexibility and thus allows better prediction is also presented.","PeriodicalId":319726,"journal":{"name":"Fatigue Life Prediction of Composites and Composite Structures","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132073775","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.1533/9781845699796.1.79
N. Post, J. Lesko, S. Case
Abstract This chapter discusses the most common residual strength-based failure theories for composite materials present in the literature. Particular attention is paid to the ability of the models to reproduce experimental observations for multi-stress level (spectrum) loading conditions. Comparisons are also introduced with the familiar Miner's rule results.
{"title":"Residual strength fatigue theories for composite materials","authors":"N. Post, J. Lesko, S. Case","doi":"10.1533/9781845699796.1.79","DOIUrl":"https://doi.org/10.1533/9781845699796.1.79","url":null,"abstract":"Abstract This chapter discusses the most common residual strength-based failure theories for composite materials present in the literature. Particular attention is paid to the ability of the models to reproduce experimental observations for multi-stress level (spectrum) loading conditions. Comparisons are also introduced with the familiar Miner's rule results.","PeriodicalId":319726,"journal":{"name":"Fatigue Life Prediction of Composites and Composite Structures","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114771154","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.1016/b978-0-08-102575-8.09995-2
{"title":"Copyright","authors":"","doi":"10.1016/b978-0-08-102575-8.09995-2","DOIUrl":"https://doi.org/10.1016/b978-0-08-102575-8.09995-2","url":null,"abstract":"","PeriodicalId":319726,"journal":{"name":"Fatigue Life Prediction of Composites and Composite Structures","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125411208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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