数字传播时代商业广告已经不再是传统的商品性能和特征的展示,而是商家之间广告创意的博弈。文章以玛莎百货2014年在YouTube上推出的系列食品广告Adventures In Imagination为例,以创意管理理论为基础,分析当前的广告传播规律,提炼出广...数字传播时代商业广告已经不再是传统的商品性能和特征的展示,而是商家之间广告创意的博弈。文章以玛莎百货2014年在YouTube上推出的系列食品广告Adventures In Imagination为例,以创意管理理论为基础,分析当前的广告传播规律,提炼出广告创意传播的策略。展开更多
To investigate the workpiece curvature influence on groove deformation,numerical studies with curvature varying from negative to positive were conducted on copper material.Groove deformations were analyzed,including g...To investigate the workpiece curvature influence on groove deformation,numerical studies with curvature varying from negative to positive were conducted on copper material.Groove deformations were analyzed,including groove geometry,effective stress distribution and plough force.The curled groove shape whose workpiece curvature was 0.133 mm-1 was validated by experiments.Moreover,a series of geometry models with various curvatures were introduced to analyze the change of groove deformation.The results show that positive curvatures influence groove deformation more intensively than negative or zero curvature.It is mainly due to the action of the tool forming face during plough process.展开更多
基金Project (U0834002) supported by the Key Program of NSFC-Guangdong Joint Funds of ChinaProject (51005079) supported by the National Natural Science Foundation of China+1 种基金Project (20100172120001) supported by Specialized Research Fund for the Doctoral Program of Higher Education, ChinaProject (10451064101005146) supported by the Natural Science Foundation of Guangdong Province,China
文摘To investigate the workpiece curvature influence on groove deformation,numerical studies with curvature varying from negative to positive were conducted on copper material.Groove deformations were analyzed,including groove geometry,effective stress distribution and plough force.The curled groove shape whose workpiece curvature was 0.133 mm-1 was validated by experiments.Moreover,a series of geometry models with various curvatures were introduced to analyze the change of groove deformation.The results show that positive curvatures influence groove deformation more intensively than negative or zero curvature.It is mainly due to the action of the tool forming face during plough process.