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1. 发明申请

US20090210189A1 Polymer melt extrusion which has potential use in die design 有权
标题翻译：聚合物熔体挤出，其在模具设计中具有潜在的用途
公开(公告)号：US20090210189A1
公开(公告)日：2009-08-20
申请号：US12378730
申请日：2009-02-19
申请人： Vivek Ganvir , Gautham Purushottham Basavarsu , Lele Ashish , Thaokar Rochish
发明人： Vivek Ganvir , Gautham Purushottham Basavarsu , Lele Ashish , Thaokar Rochish
IPC分类号： G06F15/00
CPC分类号： B29C47/0854 , B29C47/003 , B29C47/06 , B29C47/14 , B29C47/20 , G06F17/5018 , G06F2217/16
摘要： The present invention discloses a system for analyzing and simulating the die swell and the flow profile in polymer melt extrusion through a die, said system typically comprising a mesh generator adapted to generate a computational mesh; a pre-processor adapted to obtain die parameters, boundary conditions, polymer melt parameters including rheological characterization and constitutive equations and to generate an input file; a simulator adapted to receive the input file from the pre-processor and process the input data to simulate die swell; a mesh corrector means adapted to analyze the die swell obtained from said simulator and to correct the motion of the computational mesh and polymer melt to converge the die swell; a post-processor means adapted to visualize the die swell and flow profiles for the polymer melt; and a database means adapted to store the die swell corresponding to the die, mesh and polymer melt parameters.
摘要翻译：本发明公开了一种用于分析和模拟通过模具的聚合物熔体挤出中的模头膨胀和流动分布的系统，所述系统通常包括适于产生计算网格的网格发生器; 适用于获得模具参数，边界条件，聚合物熔体参数的预处理器，包括流变特性和本构方程，并生成输入文件; 适于从预处理器接收输入文件并处理输入数据以模拟模具膨胀的模拟器; 网格校正装置，适于分析从所述模拟器获得的模具隆起并校正计算网格和聚合物熔体的运动以使模具膨胀收敛; 后处理器装置，其适于可视化所述聚合物熔体的模头膨胀和流动分布; 以及数据库装置，其适于存储对应于模具，网格和聚合物熔体参数的模头膨胀。

2. 发明授权

US08311787B2 Polymer melt extrusion which has potential use in die design 有权
标题翻译：聚合物熔体挤出，其在模具设计中具有潜在的用途
公开(公告)号：US08311787B2
公开(公告)日：2012-11-13
申请号：US12378730
申请日：2009-02-19
申请人： Vivek Ganvir , Gautham Purushottham Basavarsu , Lele Ashish , Thaokar Rochish
发明人： Vivek Ganvir , Gautham Purushottham Basavarsu , Lele Ashish , Thaokar Rochish
IPC分类号： G06G7/50
CPC分类号： B29C47/0854 , B29C47/003 , B29C47/06 , B29C47/14 , B29C47/20 , G06F17/5018 , G06F2217/16
摘要： A system and a method for analyzing and simulating a die swell and flow profile in polymer melt extrusion through a die. The system includes a mesh generator to generate a computational mesh; a pre-processor to obtain die parameters, boundary conditions, polymer melt parameters including rheological characterization and constitutive equations and to generate an input file; a simulator to receive the input file from the pre-processor and process the input data to simulate die swell; a mesh corrector means to analyze the die swell obtained from the simulator and to correct the motion of the computational mesh and polymer melt to converge the die swell; a post-processor to visualize the die swell and flow profiles for the polymer melt; and a database means to store the die swell corresponding to the die, mesh and polymer melt parameters.
摘要翻译：用于分析和模拟通过模具的聚合物熔体挤出中的模头膨胀和流动分布的系统和方法。该系统包括生成计算网格的网格生成器; 预处理器获得模具参数，边界条件，聚合物熔体参数，包括流变特性和本构方程，并生成输入文件; 模拟器从预处理器接收输入文件并处理输入数据以模拟模具膨胀; 网格校正器意味着分析从模拟器获得的模具隆起并校正计算网格和聚合物熔体的运动以使模具膨胀收敛; 后处理器可视化聚合物熔体的模头膨胀和流动剖面; 并且数据库意味着存储对应于模具，网格和聚合物熔体参数的模具膨胀。

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