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发表于 2005-10-15 14:54:13
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来自 北京交通大学
Re:[讨论]金属液与运动体间的摩擦力
帮助文件的第一页:
Software capabilities
ProCAST is a software using the Finite Elements Method (FEM). It allows the modeling of Thermal heat transfer (Heat flow), including Radiation with view factors, Fluid flow, including mold filling, Stresses fully coupled with the thermal solution (Thermomechanics). Beside that, it includes also microstructure modeling and porosity modeling.
procast采用有限元方法,可用于考虑辐射的传热计算、充填计算、与温度全耦合的应力计算。此外,还可以放真微观结构模型和孔隙模型。
从上一段话看出:充填和应力是不能耦合的,压铸和挤压铸造的压力不能参与应力计算,所谓压力下的凝固行为如何体现?挤压铸造中的压力下的补缩、压力下的塑性变形都无法仿真。
Special models are included in order to account for thixo casting(触变铸造) and lost foam(消失模). Specific features are included to account for processes such as high pressure die casting(压铸), centrifugal(离心), tilt(倾转). Finally, customized models for foundry processes, such filters(过滤器), sleeves are included.
写了离心的,可作不成,骗人。
bug大大的有啊! |
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