在高压断路器分闸与合闸过程中,静侧传动系统的强度直接影响产品的机械寿命,550 kV断路器与以往的产品相比,提高了电压等级,意味着更难满足机械寿命要求,因此需要更加准确地预测和提高静侧传动系统的结构强度以保证寿命要求。文中建立了双动自能式灭弧室静侧传动系统的柔性瞬态动力学模型,该模型基于Hypermesh进行前处理,并利用Ls-dyna进行了瞬态动力学仿真求解。在分析过程中运用了显示算法,充分考虑了网格类型、接触类型、间隙、碰撞冲击等因素的影响。应力仿真结果表明:不同速度工况下 ...
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[Effectiveness of arthroscopic treatment for femoroacetabular impingement syndrome combined with ligamentum teres injury]. [PDF]
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[Clinical study on reduction of posterior malleolar fractures via modified Rammelt transfibular approach]. [PDF]
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