Bead pattern optimization
Bead pattern optimization
复制标题
珠型优化
DOI：
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发表时间：
1996
期刊：
影响因子：
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通讯作者：
C. H. Lee
中科院分区：
文献类型：
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作者：
R. Yang;C. J. Chen;C. H. Lee
平面薄板由于其柔性而表现出较差的刚度和NVH（噪声、振动和粗糙度）性能。在汽车工业中，一种常见且具有成本效益的方法来提高板材的刚度和NVH性能是添加珠。然而，没有系统的方法是可用于确定最佳模式的珠在金属板。本研究探讨将拓扑最佳化方法应用于板件补强设计之可行性。该方法首先在薄板的壳单元模型中加入梁单元来模拟结构刚度的提高，然后利用拓扑优化方法得到梁单元的最优布置。以悬臂板为例进行了胎圈花纹设计的初步研究，并以简化的整车结构为例验证了所提方法的适用性。
Plane sheet panels exhibit poor stiffness and NVH (noise, vibration, and harshness) performance due to their flexibility. A common and cost-effective approach in the automotive industry to improve the stiffness and NVH peformance of sheet panels is the addition of beads. However, no systematic methodology is available for determining the optimal pattern of beads in sheet metal. This research explores the feasibility of applying topology optimization methods to the bead design of sheet panels. The approach starts with adding beam elements to the shell element model of the sheet panel to simulate the stiffness improvement of the structure and then uses the topology optimization method to obtain the optimal layout of the beam elements. A cantilever plate is used to perform a preliminary study for bead pattern design and a simplified vehicle structure is used to demonstrate the applicability of the proposed method.