尺寸关联的热弹性点阵结构最小柔顺性优化

来源 :2013中国力学大会 | 被引量 : 0次 | 上传用户：zbl666

【摘要】

：

给出了上述优化问题的数学列式及灵敏度分析表达式,讨论了单胞的尺寸效应、材料用量及温度大小对优化结果的影响,通过数值算例验证了优化模型和算法的可靠性.研究结果表明温度与机械载荷比例的大小对微观单胞拓扑形式有显著影响;若热载荷作用占优时,存在最优材料用量现象,此时仅靠增加材料不能有效降低结构柔顺度.

【作者】

：

阎军杨素霞胡文波杨春秋

【机构】

：

大连理工大学工业装备结构分析国家重点实验室,辽宁大连116024

【出处】

：

2013中国力学大会

【发表日期】

：

2013年2期

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尺寸关联的热弹性点阵结构最小柔顺性优化

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