柴油机活塞热负荷与机械负荷地三维有限元耦合分析

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1、firstplacetothermaldistortion.(6)Finally,intensityanalysisandthethermalfatiguewerecarriedon.inthispaper.Thestudyindicatedthatintegratedstressanddistortionofthepistonaccordwiththedesigndemand,whilethetemperatureoffirstringisveryhigh.CorrespondingImprovementmeasurewerep

2、utforward.Throughthefiniteelementanalysisofthealuminum-siliconalloyZH1105Wpiston,theresultsofthetemperaturefield,stressfieldanddistortionofthepitonwereobtained,whichofferedcertainmethodandreferencetodevelopmentandimprovementofthepiston.Keywords:Piston;temperaturefield

3、;stressfield;FiniteElementscoupledAnalysis;Thermalfatigue目录第一章绪论.........................................................................................................................11.1活塞有限元数值模拟研究的背景和意义............................................................11

4、.2活塞有限元数值模拟研究的发展现状................................................................21.2.1活塞有限元模型的建立.............................................................................21.2.2活塞边界条件的确定..............................................................................

5、...31.2.3活塞有限元数值模拟的深入研究.............................................................41.3本文的主要研究内容及意义................................................................................41.4小结..................................................................................

6、......................................5第二章活塞温度场试验的分析.........................................................................................62.1活塞温度场试验的背景和意义............................................................................62.2活塞温度场试验分析.....................

7、.......................................................................62.2.1试验机型.....................................................................................................62.2.2试验方案分析..........................................................................

8、...................72.2.3测试系统线路原理.....................................................................................82.2.4