The new methods to determine the zero-energy deformation modes in the hybrid elements and the zero-energy stress modes in their assumed stress fields are presented by the natural deformation modes of the elements.
通过本征变形模式提出识别杂交元零能变形模式和假设应力场中零能应力模式的新方法,同时给出了在假设应力场中增加应力模式时杂交元变形刚度的计算公式。