Auto Adjust Masses of Automotive Structures with Desired Centre of Gravity

机译：自动调整具有重心的汽车结构的质量

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In this study a subroutine was developed and added in the pre-processing module of the frame work of commercial package of ANSYS to distribute the extra masses according to specific assigned centre of gravity (COG). The work further calculate the first bending and torsional natural frequencies of the simplified body in white (BIW) model of automotive in order to maximize these frequencies with final mass constraint. It is found that adding the extra masses symmetrically about longitudinal axis helps to improve the first bending and torsion natural frequencies. However, removing the mass along this axis leads to have higher values in the case of first bending and natural frequencies.

机译：在这项研究中，开发了一个子程序，并将其添加到ANSYS商业软件包框架的预处理模块中，以根据特定的分配重心（COG）分配额外的质量。这项工作还计算了汽车的白色简化车身（BIW）模型的第一弯曲和扭转固有频率，以便在最终质量约束下最大化这些频率。已经发现，关于纵向轴线对称地添加额外的质量有助于改善第一弯曲和扭转固有频率。但是，在第一次弯曲和固有频率的情况下，沿该轴移除质量会导致更高的值。

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来源
《Fracture and strength of solids VII》|2010年|p.812-816|共5页
会议地点 Kuala Lumpur(MY);Kuala Lumpur(MY)
作者
Reza Afshar; Aidy Ali; B. B. Sahari; M. Bayat;
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作者单位

Department of Mechanical and Manufacturing Engineering, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia;

Department of Mechanical and Manufacturing Engineering, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia Institute of Advanced Technology, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia;

Department of Mechanical and Manufacturing Engineering, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia Institute of Advanced Technology, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia;

Department of Mechanical Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia;

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会议组织
原文格式 PDF
正文语种 eng
中图分类工程材料一般性问题;
关键词
Finite element; Mass distribution; Centre of gravity; Tubular structure; ANSYS;

机译：有限元;质量分布；重心;管状结构； ANSYS;

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Auto Adjust Masses of Automotive Structures with Desired Centre of Gravity

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