According to the relation between nine-freedom degree of triangular element and six-rotation degree in nodes pinned triangular element, six-rotation freedom in each triangular element with nodes pinned are used in calculation of shears so as to make the a
According to the relation between nine-freedom degree of triangular element and six-rotation degree in nodes pinned triangular element, six-rotation freedom in each triangular element with nodes pinned are used in calculation of shears so as to make the a
摘要基于薄板三角形单元9个自由度和节点铰接下单元6个转角的关系，可使剪力仅由单元的6个转角自由度来进行表示，从而使得分析过程更加明确。