【摘要】 在弹射救生过程中的冲击过载,可引起人体不同程度的损伤,甚至死亡,这一问题的研究有重要意义。由于直接用人体进行这类实验带有一定的危险性,因此必须寻找其他研究途径。本文综合介绍了国外和我们研究工作中所采用的模型方法,其中有数学模型、电子模型和机械模型。数学模型中包括了集总参数、分布参数、连续参数、有限元、人体大运动、头部运动等模型,阐述了这些模型的基本内容和它们所起的作用,还讨论了建模中存在的问题。更多还原

【Abstract】 Impact acceleration in ejection escape may cause various levels of injuryto humanl body,even death.Science human beings could not be used as testsubjects in experiment studies for human safety,other approaches had tobe sought.Mathematical,electronic and mechanical models used by scientistsat home and abroad are introduced.The mathematioal models includ lum-ped and discrete parameters,continuum,finite element,gross motion andhead motion model.The basic contenls of these models and their roles aredescribed and their inade quacies are discussed.更多还原