基于神经网络的长杆弹侵彻能力预测模型
详细信息 本馆镜像全文    |  推荐本文 | | 获取馆网全文
摘要
装备毁伤效应快速评定与预测,一直是装备使用人员、战场抢修人员所关注的重要问题,针对上述问题,利用ANSYS/LS-DYNA有限元软件对钨合金长杆弹侵彻中厚钢靶板全过程进行了数值模拟并进行了详细分析,同时通过均匀试验与数值仿真得到了弹体侵彻钢靶板的终点效应样本数据,然后利用BP神经网络对样本数据进行训练,从而构建了不同速度钨合金长杆弹侵彻不同厚度钢靶板后的剩余质量与剩余动能预测模型,实现了对钨合金长杆弹毁伤效应的快速预测,预测结果较为理想,为装备毁伤效应快速评定提供了基础。
It's a key point to predict the equipment damage for equipment user and Battlefield Repair. Based on the problem,the process of Long- rod projectile of tungsten alloy penetrating into moderately thick steel target was analyzed with the ANSYS / LS- DYNA software. The sample dates were obtained by simulation and uniform testing design method,and then sample dates were trained by artificial neural network to build a prediction mode that can forecast the Long- rod projectile's remaining kinetic and remaining mass after it penetrated different thickness steel targets with different velocity. The prediction results are ideal,and it provides a basis for equipment damage assessment rapidly.
引文
[1]米双山,等.钨球侵彻LY-12铝合金靶板的有限元分析[J].爆炸与冲击,2005,25(5):477-480.
    [2]程兴旺,等.不同头部形状长杆弹侵彻过程的数值模拟[J].兵工学报,2007,28(8):930-933.
    [3]Z Rosenberg,E Dekel.A Computational Study of the Influence of Projectile Strength on the Performance of Long-Rod Penetrators[J].Int J Impact Eng,1996,18(6):671-677.
    [4]杨超,等.剩余速度与靶板厚度关系的研究[J].兵器材料与科学工程,2003,26(6):3-5.
    [5]张国伟,徐立新,张秀艳.终点效应及靶场试验[M].北京:北京理工大学出版社,2009.
    [6]丛美华,等.小口径穿甲试验靶板弹孔和残余弹体显微组织研究[J].北京理工大学学报,2002,22(5):594-598.
    [7]G R Johnson,W H Cook.A constitutive model and data for metals subjected to large strains high rates and high temperatures[C].7th International Symposium on Ballistics.The Nethedands:The Hague.1983:541-547.
    [8]G R Johnson,W H Cook.A constitutive model and data for metals subjected to large strains high rates and high temperatures[C].7th International Symposium on Ballistics.The Nethedands:The Hague,1983:541-547.
    [9]傅荟璇,赵红等.MATLAB神经网络应用设计[M].北京:机械工业出版社,2010.
    [10]徐赵东,沈亚鹏,郭迎庆.神经网络对结构地震反应的预测及试验研究[J].振动与冲击,2003,22(2),8-11.
    [11]赵选民.试验设计方法[M].北京:出版社,2005.

版权所有:© 2023 中国地质图书馆 中国地质调查局地学文献中心