| MSC/NASTRAN程序中Drucker-Prager屈服准则引起误差的原因探讨 |
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| 引用本文： | 王进军.MSC/NASTRAN程序中Drucker-Prager屈服准则引起误差的原因探讨[J].上海大学学报(英文版),2000,4(1):11-13. |
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| 作者姓名： | 王进军 |
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| 作者单位： | WANG Jin jun University of New South Wales，Sydney 2052，Australia |
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| 摘 要： | 1 Ｉｎｔｒｏｄｕｃｔｉｏｎ ＷｈｅｎｔｈｅＤｒｕｃｋｅｒＰｒａｇｅｒｙｉｅｌｄｃｒｉｔｅｒｉｏｎｉｓｕｓｅｄ,ｔｈｅＭＳＣ/ＮＡＳＴＲＡＮｐｒｏｇｒａｍ1]ｏｆｔｅｎｐｒｅｄｉｃｔｓｎｏｔｉｃｅａｂｌｅｅｒｒｏｒｓ.Ｔｈｉｓｃａｎｂｅｏｂｓｅｒｖｅｄｕｓｉｎｇａｓｉｍｐｌｅｅｘａｍｐｌｅ.Ｗｈｅｎａｓｉｎｇｌｅｅｌｅｍｅｎｔｓｕｂｊｅｃｔｔｏｕｎｉａｘｉａｌｔｅｎｓｉｌｅｓｔｒｅｓｓｉｓｃｏｎｓｉｄｅｒｅｄ,ｔｈｅｐｒｅｄｉｃｔｅｄｓｔｒｅｓｓｓｔｒａｉｎｒｅｌａｔｉｏｎｄｅｖｉａｔｅｓｆｒｏｍｔｈ…
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| 收稿时间： | 9 March 1999 |
Cause of errors associated with application of drucker-prager yield criterion in MSC/NASTRAN program |
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| Jin-jun Wang.Cause of errors associated with application of drucker-prager yield criterion in MSC/NASTRAN program[J].Journal of Shanghai University(English Edition),2000,4(1):11-13. |
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| Authors: | Jin-jun Wang |
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| Institution: | University of New South Wales, Sydney 2052, Australia |
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| Abstract: | When the Drucker Prager yield criterion is used, the MSC/NASTRAN program frequently predicts noticeable errors. The relevant part of NASTRAN Handbook was checked and some errors in the elasto plastics theory used in NASTRAN were detected in this paper. The procurement to prove these errors was verified by numerical calculation. |
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| Keywords: | Drucker Prager yield criterion NASTRAN finite element method |
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