【摘要】 <正> 引言 非协调单元是有限元求解板的弯曲问题的重要方法之一.自从[1]提出Ziekiewicz三角板元以来,此单元成为广泛采用的一种非协调性单元.考虑到三角形的几何形状,此更多还原

【Abstract】 In this paper we analyse the finite difference equation of Zienkiewicz elements in the finiteelement method under the Union Jack mesh, and get its consistent differential equation, whoseright-hand side differs by a constant multiplier from that of the original plate equation.更多还原