stress diagram meaning in English
力线图
应力图
Examples
- This paper overviewed the prediction methods of forming limit in sheet metal forming , which included forming limit stress diagram , the maximum forming thinning ratio , forming limit diagram and ductile fracture criteria ( dfc )
摘要对板料成形中的成形极限应力图、最大变薄率、成形极限图以及韧性断裂准则等预测成形极限的方法,进行了综述和分析。 - According to the former mathematical calculation models , the applied software , which uses the forming limit stress diagram as its instability criterion , is developed based on the sheet metal forming finite element code dynaform using visual c + +
根据以上所建立的数学计算模型,基于板成形专用有限元分析软件dynaform的环境,用visualc + +开发了以成形极限应力图作为判据的应用软件。 - In view of the above reason , this thesis adopts the forming limit stress diagram as the instability criterion due to its independence of strain paths , which is acknowledged at home and abroad in the field of sheet metal forming , and develops the applied software for the special purpose finite element analysis code dynaform in order to provide it with a new instability criterion
本文基于板成形专用有限元分析软件dynaform ,以国内外板料成形领域认同的具有应变路径独立性优点的成形极限应力图为判据进行了应用软件的二次开发,以期为板成形有限元分析软件提供一个新的失稳判据。 - This thesis briefly analyzes some yield criteria and instability criteria to the sheet metal forming first . then according to the transformation rule from ultimate strain to ultimate stress , it establishes the mathematical calculation models of the forming limit stress diagram for the software development according to hill48 、 hill79 and hosford yield criterion irrespectively
本文首先分析了板料成形的屈服准则和失稳准则,然后根据极限应变到极限应力的转换关系,分别采用hill48屈服准则、 hill79屈服准则和hosford屈服准则,建立了用于软件开发的成形极限应力图的数学计算模型。 - The goal of analyzing the instability in complex sheet metal forming is reached using the forming limit stress diagram as criterion in this thesis . some different sheet metal forming parts are analyzed with the developed software , whose results show that the developed software is satisfying for technological analysis of sheet metal forming and the applied module attains the anticipated goal
并用所开发的应用软件成功地对板成形零件的有限元计算结果进行了分析,分析结果表明,用该软件分析板成形零件的失稳情况的结果可以满足板成形工艺分析要求,所开发的应用软件模块达到了预期目的。