摘要
介绍了拉格朗日乘数法在材料力学中的应用,举例说明利用拉格朗日乘数法解决最大正应力和抗弯截面系数最大化问题,与一般解法相比拉格朗日乘数法显现的优点。
The paper major in application of Lagrange multiplier method in mechanics of materials, the application of Lagrange multiplier method IS used to solve the problem of maximum normal stress and maximum bending section coefficient, meanwhile, compared with the general method Lagrange multiplier method shows many advantages.
出处
《大众科技》
2014年第5期30-31,共2页
Popular Science & Technology
关键词
拉格朗日乘数法
最大正应力
抗弯截面系数
Lagrange multiplier method
maximum normal stress
anti-bending section coefficient