摘要
大学生方程式赛车车架的模态分析对于减少整车振动和提高动态性能具有重要意义。在CATIA软件中建立方程式赛车车架几何模型,将其导入有限元软件HyperMesh中进行网格划分、加载和边界处理,对车架进行自由模态分析。通过Optistruct计算,得到车架各阶固有频率与振型,进而分析该车架结构发生共振的可能性。
Modal analysis of Students formula car frame is of great significance for reducing the vehicle vibration and improving the dynamic performance. Established geometrical model of formula car frame in the CATIA software, then import it into finite element software HyperMesh and mesh, load and constraint it, and free modal analysis was carried out on the frame. Through Optistruct calculation, got the frame each order natural frequency and vibration mode, so that analyzed the possibility of resonance of frame structure.
出处
《汽车实用技术》
2015年第5期70-72,共3页
Automobile Applied Technology
关键词
赛车车架
有限元
模态分析
共振
racing car frame
finite element
modal analysis
sympathetic vibration
