三维稳态板轧制过程的再生核质点法模拟 SIMULATION OF THREE-DIMENSIONAL STEADY STATE PLATE ROLLING B

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三维稳态板轧制过程的再生核质点法模拟

SIMULATION OF THREE-DIMENSIONAL STEADY STATE PLATE ROLLING BY REPRODUCING KERNEL PARTICLE METHOD

介绍了用再生核质点法求解刚塑性可压缩材料体积成形的基本原理,利用罚函数满足本质边界条件,积分过程采用有限元背景网格,对边界和内部采用不同的高斯积分求解方案,采用砖形影响域的张量积核函数.模拟求解了三维稳定状态板轧制过程,并将模拟结果与文献中的实测值和刚塑性有限元求解结果进行了比较,结果吻合良好,为解决具有网格畸变问题的体积成形过程奠定基础.水利论文 ^G;[2ZN-bfS

作 者: 崔青玲 李长生 刘相华 王国栋 CUI Qing-ling LI Chang-sheng LIU Xiang-hua WANG Guo-dong  
作者单位:东北大学轧制技术及连轧自动化国家重点实验室,辽宁,沈阳,110004 
刊 名:工程力学  ISTIC EI PKU
英文刊名:ENGINEERING MECHANICS 
年,卷(期):2006 23(10) 
分类号:TG113 O344 
关键词:体积成形   数值模拟   无网格法   再生核质点法   刚塑性可压缩   三维板轧制  
机标关键词:三维稳态轧制过程再生核质点法模拟求解PARTICLE METHODREPRODUCING KERNELPLATE ROLLING体积成形过程有限元求解张量积核函数刚塑性本质边界条件可压缩材料稳定状态网格畸变模拟结果积分过程高斯积分背景网格 
基金项目:国家自然科学基金 
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