【摘要】 考虑了材料在主应力方向的拉、压弹性模量不同，推导出了应力、应变关系，并给出了材料参数的取值原则和方法。经过实例分析计算，获得了满意的结果。为对这类材料的结构进行有限元应力分析提供了一种新方法。更多还原

【Abstract】 The relation of stress and strain is derived in this paper regarding different modulus material in tension and compression on main stress direction, and the principle and method for determining the values of elastic coefficients are given.The satisfactory results are obtained by using concrete calculative examples,A new method is provided to carry out finite element stress analysis for different modulus material.更多还原