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高压喷管
高压下喷管柔性接头摆动力矩数值分析
高压下喷管柔性接头摆动力矩数值分析
为了研究柔性接头摆动力矩随容压的增加而减小的内在原因,建立某型号柔性接头三维有限元模型,利用"三阶五项式"超弹本构模型表征弹性件橡胶材料的本构关系,数值模拟柔性接头在不同容压下的摆动过程。发现弹性件剖面上的剪应力场分布及数值随容压变化明显,由其计算出的摆动力矩变化明显。整理计算结果发现,摆角相同时,随容压增大摆动力矩呈减小趋势,该现象与实验结果吻合较好。
高压油管高压油管总成
relationship betwee n Gover nment a nd busi ness. The "two sessi ons", General Secretary of "Pro", "clear" the w ord succinctly sum marize d the new relationship betwee n Gover nment and busi ness, as pure politics, resha ping the political relati onship spe cified in t he dire ction. Distri ct leader s in ha ndl ing politi cal and busi ness relati ons, engage i n trading power for money, a nd fin