Optimal design of structural parameters for shield cutterhead based on fuzzy mathematics and multi-o

来源 :Journal of Central South University | 被引量 : 0次 | 上传用户:lubiaofs
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
In order to improve the strength and stiffness of shield cutterhead, the method of fuzzy mathematics theory in combination with the finite element analysis is adopted. An optimal design model of structural parameters for shield cutterhead is formulated,ba
其他文献
针对渤海构造-岩性油气藏实际CRP道集出现的近道剩余多次波发育、地震分辨率偏低、道集不平以及AVO背景趋势异常等问题,提出了一套基于弹性反演的叠前CRP道集保幅处理技术,包
Spur dike is one of the river training structures. This work presented a numerical simulation of flow field and three-dimensional velocity around a T-shaped spu
During well drilling process,original stress state of hard brittle shale will be changed due to stress redistribution and concentration,which leads to stress da
新疆阿瓦提县作为全国长绒棉生产基地,棉花栽植面积持续保持在7.33万hm2左右,大约占全县棉花栽育面积的80%,其自身在花龄期会进行最为旺盛的生长活动,在这个特殊时期其将由营
A field study was conducted to determine the behavior and distribution of arsenic during the pyrometallurgy process in a typical SKS(Shuikoushan) lead smelter i
In order to explore drum instability problems of thinning spinning ultra thin-walled tubes with large diameter-to-hickness ratio, experiments of thinning spinni
众所周知,病虫害的发生会对农作物产生巨大的危害。因此,在小麦种植过程中,病虫害防治工作,无疑是非常重要的。基于此,针对药剂拌种防治小麦病虫害技术进行探究,以期为广大种
For contact dominated numerical control(NC) bending process of tube, the effect of friction on bending deformation behaviors should be focused on to achieve pre
日光温室蔬菜病虫种类繁多,为害严重.其原因是由于日光温室自身环境条件有利于病虫害发生,同时,菜农综合防治意识淡薄,管理粗放,技术落后.在了解日光温室蔬菜病虫害发生种类
2016年,全国食品安全宣传周明确提出“尚德守法,共治共享食品安全”主题思想。要想全面提升农产品质量安全依法监管水平,必须发扬尚德守法精神,努力提高农产品质量安全监管人员法