In this program the author adopt the viscoelastic-plastic unified constitutive theory, at the same time adopting the Kupfer-Gerstle destroy rule and mixed crack model.

将粘弹塑性统一本构理论引入程序中，同时采用了已经比较成熟的破坏准则和裂缝模型。

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Kupfer says making grandma's pills cheaper doesn't even enter the equation--that's a social question.

FORBES: Genomics Won't Mean Cheap Drugs

This gave birth to the most modern league of the time, which may be why Germany was so good at football, says Thomas Kupfer, who has written a book on football management.

ECONOMIST: Germany and the World Cup

"The development of DSM-5 began with an unprecedented process of research evaluation that included a series of white papers and 13 scientific conferences supported by the National Institutes of Health, " wrote Dr. David Kupfer, chairman of the University of Pittsburgh School of Medicine, who oversees the entire DSM-5 task force, in an e-mail.

CNN: Are we over-diagnosing mental illness?