| 边界单元法在聚合物加工研究中的应用 |
| Application of Boundary Element Method in Analysis of Polymer Processing |
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| DOI： |
| 中文关键词: 边界单元法 聚合物加工 粘性流场 |
| 英文关键词: boundary element method polymer processing viscous flow field |
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| 中文摘要: |
| 将边界单元法引入聚合物加工过程粘性流场的数值计算中，并与其它数值计算方法进行了比较。结果表明边界单元法具有计算量少、计算精度高等优点，便于推广应用。以挤出机排气段熔体输送流场求解为例，说明了边界单元法的实际应用。 |
| 英文摘要: |
| In this paper, the boundary element method（BEM) is introduced into the numerical calculation of the viscous flow of polymer melt in polymer processing，and is compared with some other numerical methods. BEM makes the calculation easier and yields more accurate results，and readily finds use in more fields. Also the calculation is given of the melt conveying flow in the venting section of a single screw extruder to exemplify the practical application of BEM. |
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