翻覆事故的發生往往會造成嚴重的乘員損傷，尤其是重心較高的車輛特別容易發生翻覆事故；隨著重心較高的車輛如休旅車、小貨車等在市場佔有率逐年增加，探討重心較高的車輛於翻覆事故的動態反應及乘員損傷，可提供車廠及相關研究單位做爲研發安全防護裝備之設計參考，以減少乘員於翻覆事故的傷亡。近年來由於電腦科技的發展，利用數值分析方法來模擬車輛之碰撞行爲及進行乘員的損傷分析，已成爲車廠研發新款車輛的趨勢。數值模擬方法不但可降低實車試驗成本，且大幅縮短車輛的研發時程，以提升車廠在市場上的競爭力。本文以有限元素分析軟體LS-DYNA依據美國聯邦汽車安全標準法規FMVSS-216車頂抗撞強度測試進行車頂結構之模擬驗證；最後依據法規FMVSS-208所規範之實車側向翻覆試驗環境建構數值模型，並進行全車側向翻覆模擬分析，探討車輛及乘員的動態行爲。本文之研究結果可提供車廠及相關研究單位進行翻覆事故中人體損傷分析與安全防護裝備研究的參考，以提升國內翻覆事故模擬分析的能量，進而提供相關資訊予國內立法單位進行相關法規訂定之參考。

rollover accidents often cause serious injuries and fatalities, especially the vehicle which has the higher center of gravity. By increasing of market share in heavier vehicles, such as SUV, pickup, Van, explore their dynamic responses and human injury in rollover accidents are very important. By the advanced development of computer technology, use numerical analyses to simulate the dynamic response of vehicle collision and discuss the human injury become a tendency of automobile manufactures to develop the new vehicle. Numerical analysis can reduce the cost of test, shorten the R&D time tremendously, and raise the competition of automobile manufactures. The LSDYNA finite element code was used in this study. The roof of vehicle was also validated according to the regulation of FMVSS-216 roof crash resistance test. Then, the regulation of FMVSS-208 dolly test was used to simulate the rollover accident and investigate the dynamic response of vehicle and human. This research can offer the numerical model and simulated experiment to automobile manufactures and relative researches as the reference to develop the protection equipment for rollover accident and raise the energy of numerical analysis in domestic vehicle industry. It can also provide some information for legislator as the reference to draw up the relative regulation.