文章摘要
板料冲压成形CAD数字化分析基本理论
Basic Principles of CAD Digitalization Analysis in Sheet Metal Forming
Received:July 12, 2009  Revised:November 10, 2009
DOI：
中文关键词: 板料成形  CAD数字化  数值模拟  有限元
英文关键词: sheet metal forming  CAD digitalization  numerical simulation  finite element
基金项目:
Author NameAffiliation
ZHANG Xia Department of Material Science and Engineering, Chongqing University of Technology, Chongqing 400050, China 
LI Xiao-ping Department of Material Science and Engineering, Chongqing University of Technology, Chongqing 400050, China 
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中文摘要:
      板料成形过程是涉及几何非线性、材料非线性和边界条件非线性等的多重非线性问题。介绍了板料冲压成形CAD数字化分析所涉及到的基本理论——非线性弹塑性材料的本构关系、板壳成形单元模型、接触问题、有限元方程及求解。
英文摘要:
      In sheet metal forming, there are several nonlinear problems, including geometry non-linear, material non-linear and boundary condition non-linear. Several principles in sheet metal forming simulation such as material model, element model, contact model and finite element equation are summarized in this paper.
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