STRESS SINGULARITY ANALYSIS AT CRACK TIP ON BI-MATERIAL INTERFACES BASED ON HAMILTONIAN PRINCIPLE-中国Betway体育网页登陆

摘要 Inthispaper,thestresssingularityanalysisatthecracktiponelasticbi-materialinter-facesisconsidered.ThegoverningequationsofplaneelasticityinsectorialdomainarederivedtobeinHamiltonianformviavariablesubstitutionandvariationalprinciple.Themethodsofseparationofvariablesandconjugatesymplecticeigen-functionexpansionaredevelopedtosolvetheequationsinsectorialdomain.Thegeneralformulaeforthesolutionofstresssingularitiesatthecracktiponbi-ma-terialinterfacesareputforward,andanewsolutiontechniqueforfractureproblemsispresented.

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STRESS SINGULARITY ANALYSIS AT CRACK TIP ON BI-MATERIAL INTERFACES BASED ON HAMILTONIAN PRINCIPLE

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