A study on the thermodynamic consistency of the Park-Paulino-Roesler (PPR) cohesive fracture model

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• 作者：Daniel W. Spring^a ; ^{spring2@illinois.edu} ; Oliver Giraldo-Londoñ ; o^a ; ^{grldlnd2@illinois.edu} ; Glaucio H. Paulino^a ; ^b ; ^{paulino@gatech.edu}
• 关键词：PPR cohesive model ; Anisotropic Helmholtz function ; Thermodynamic consistency ; Damage mechanics
• 刊名：Mechanics Research Communications
• 出版年：2016
• 出版时间：December 2016
• 年：2016
• 卷：78
• 期：part_PB
• 页码：100-109
• 全文大小：2432 K
• 卷排序：78

文摘

We develop a general form for the anisotropic Helmholtz free energy function. Assess the thermodynamic consistency of the PPR cohesive fracture model. Develop a new, thermodynamically consistent unloading/reloading relation.