简介:Pro/Engineer野火版是集CAD/CAM/CAE于一体的系统.介绍了Pro/E野火版较之以前版本的优越性,及探讨用该版本建立半螺旋形吸入室模型的步骤.
简介:在Pro/E环境下,介绍了运用Pro/E面向层次结构的自顶向下的设计功能,从产品的结构层次入手,以骨架模型为传递载体,结合独立零件的参数关系完成可搬移机箱的三维模型设计。实践证明采用Pro/E自顶向下的设计方法提高了设计效率和设计的准确性并为以后的变形设计提供了方便。
简介:Inthispaperthecomplexstructureandpatternofshipsternflowdrivenbymulti-propellersissimulatednumericallybyusingRANSequationswithK-εturbulencemodelandpropellerliftingsurfacetheoryasessentialresearchtoolandcouplingthecomputercodeofshipsternflowtothecomputercodeofpropellerperformancepredictionthroughthemediumofbodyforce.Ashipmodelwithfourpropellersisselectedasthenumericalexample.Detailedcomputationalresultsarepresentedgraphicallyandthequalitativeandquantitativeanalysisismade.Finally,thecomparisonbetweenthecalculatedresultandtheavailableexperimentaldataismade.Theagreementbetweenthemissatisfactory.