Laminose dynamic response caused by dynamic couple 在动力偶作用下薄板的动力响应
2.
In analyzing laminose structure of deep - hole gate , the method is effective 此方法简便易行，精度较好，是分析深水闸薄板结构的有效方法。
3.
In the paper , the finite element simulation software dynafrom is applied to analyze the affect of different blank holder during the forming process of laminose stepped tubular part , predict the possible defects such as wrinkle and break , obtain the rational style of blank holder avoiding the occur of defects and determine the rational configuration of die . the forming affect of thin - wall shallow stepped tubular part is analyzed when using different lubricate condition ( friction coefficient ) . by this method , the relationship between friction coefficient and drawing depth of laminose stepped tubular part is obtained 本文利用有限元模拟软件dynafrom分析了不同类型的压边圈对薄壁阶梯筒形件成形过程的影响规律，预测了采用不同类型压边圈时可能出现的成形缺陷如起皱和拉裂，获得了防止缺陷产生的合理压边圈形式，确定了合理的模具结构形式；分析了不同的润滑条件（摩擦系数）对薄板阶梯筒形件成形的影响，获得摩擦系数与薄板阶梯筒形件的拉深深度的关系；分析了阶梯筒形件成形过程中的不同阶段的应力应变分布、毛坯材料厚度变化情况，并获得了阶梯阶梯筒形件能一次拉深成形的条件。
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Based on structural design criterion of floodgates , a finite clement method is adopted to analyze and calculate deep - hole gate chamber . and based on space plank analysis theory , area stress is considered in the stress calculation of original laminose problems . the method is simple , convenient and manageable and reaches better precision 本文在设计规范的基础上针对水闸的结构设计，采用有限元对深孔闸的闸室进行了分析计算，根据空间板的分析理论，在原薄板问题的受力计算基础上考虑了闸内力的作用。
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The distribution of stress and strain and the variety of blank thickness is analyzed during different forming stages of laminose stepped tubular part . the condition of one - off drawing of laminose stepped tubular part is obtained . plasticity theory and numerical simulation technology of finite element are applied synthetically to analyze the forming technological characteristic of stepped tubular part , 通过综合应用塑性力学理论、有限元数值模拟等手段成功地分析了阶梯筒形件成形工艺特点，获得了阶梯筒形拉深的合理工艺方案及阶梯筒形件一次拉深成形的规律，最后通过实验检验对此工艺方案及规律进行了验证，结果表明本文所提出的工艺方案及阶梯筒形件一次拉深成形规律是正确可靠的，能直接用于指导生产。
