Transactions of Materials and Heat Treatment

Title：Study on optimum unit upper limit solution when divided mode of rigid triangles has common vertex

Authors： Jiangsu University of Science and Technology Yue Luyou

Unit：

KeyWords： Plastic deformation Upper limit method Lagrange's multiplier Pattern

ClassificationCode：TG381

year,vol(issue):pagenumber：2000,25(3):48-51

Abstract：

The paper derives an upper limit formula which can be used to solve metal plastic problems of plane deformation,on the basis of the formula,by means of Lagrange's method of multipliers studies the divided pattern when the unit upper limit solution is optimum.

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Reference：

1　岳陆游 .一种上限公式的推导及最佳上限解的研究 .江苏理工大学学报 ,1998,19(2 ) :5 9～ 6 4
2　车克健 ,黄佩璋编 .FORTRAN科学计算与管理程序汇编 .北京 :中国铁道出版社 ,1987:6 6～ 73
3　汪大年主编 .金属塑性成形原理 ,第二版 .北京 :机械工业出版社 ,1995

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