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Failure, Fracture, & Damage


  • Pro­fes­sor Ala (Al) Tabiei

Failure, Fracture, & Damage


  • Equiv­a­lent knowl­edge to an in­tro­duc­to­ry class in LS-DY­NA® is rec­om­mend­ed.


This course teach­es you how to mod­el frac­ture, dam­age, and fail­ure in LS-DY­NA. The dif­fer­ent method­olo­gies to mod­el fail­ure and frac­ture in LS-DY­NA will be pre­sent­ed and dis­cussed. All for­mu­la­tions in LS-DY­NA, in­clud­ing La­grangian, Euler­ian, SPH, XFEM, EFG, and DEM, will be dis­cussed. This course in­cludes sev­er­al ex­am­ples, de­signed to il­lus­trate and re­in­force the con­cepts pre­sent­ed.


  1. In­tro­duc­tion & his­tor­i­cal re­view
    1. Brit­tle fail­ure
    2. Duc­tile fail­ure
  2. Fun­da­men­tal the­o­ret­i­cal con­cepts
    1. Fail­ure the­o­ries
    2. Dam­age mod­els
    3. Frac­ture me­chan­ics
  3. El­e­ment ero­sion: ad­van­tages & short­com­ings
  4. Cur­rent LS-DY­NA ca­pa­bil­i­ties to mod­el fail­ure and dam­age
  5. Cur­rent LS-DY­NA ca­pa­bil­i­ties to mod­el frac­ture
  6. Frac­ture & com­pu­ta­tion­al meth­ods
    1. La­grangian
    2. Euler­ian
    3. SPH
    4. SPG
    5. XFEM
    6. EFG
    7. DEM
  7. Frac­ture ver­i­fi­ca­tion ex­am­ples
  8. Post-pro­cess­ing frac­ture prob­lems
  9. MAT_­ADD_­ERO­SION & the GISS­MO mod­el
  10. Ma­te­r­i­al mod­els with fail­ure
    1. Isotrop­ic ma­te­ri­als
    2. Hy­per­e­las­tic ma­te­ri­als
    3. Com­pos­ite ma­te­ri­als
    4. Ge­ot­ech ma­te­ri­als
  11. Mod­el­ing de­lam­i­na­tion and debond­ing in LS-DY­NA
    1. Co­he­sive el­e­ments
    2. Tied con­tact with fail­ure
  12. Sum­ma­ry and con­clud­ing re­marks