差分方程理论的研究On the Theory of Difference Equation
卜万奎,徐慧
摘要(Abstract)：
在总结计算数学、弹性力学中有限差分理论,结合向前差分、向后差分和中心差分等,选用二阶精度以上的差分公式,得出弹性体偏微分控制方程、位移分量和应力分量中各个偏导数的差分表达式.
关键词(KeyWords)： 差分方程;弹性体;偏导数
基金项目(Foundation): 山东省高等学校科技计划一般项目(J17KB044);; 菏泽学院教学改革一般项目(2016064);菏泽学院培育项目(XYPY02)
作者(Author): 卜万奎,徐慧
DOI: 10.16393/j.cnki.37-1436/z.2018.05.009
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