Abaqus：Abaqus電磁場(chǎng)分析技術(shù)教程.Tex

1Abaqus:Abaqus電磁場(chǎng)分析技術(shù)教程1Abaqus:電磁場(chǎng)分析教程#Abaqus#AbaqusPythonScriptfofromabaqusConstantsimpo2##CreateanewpartmyPart=myModel.Part(name='ElectrmyPart.Cylinder(point1=(0,0,0),point2=(0,0,heigforiinrange(1,numLmyPart.Cylinder(point1=(0,0,(i-1)*height/numLayers),point2=(0,0,i*heigfromabaqusConstantsimpomyPart.setMeshControls(regions=myPart.cells,technique=FREE,sizingFactor=0.我們可以設(shè)置線圈的電流：3fromabaqusConstantsimpomyModel.StaticStep(name='MagneticStep',previous='InitimyModel.FieldOutputRequest(name='F-Output-1',createStepName='MagneticStep',variabmyModel.Currents(name='CoilCurrent',region=my#Abaqus#AbaqusPythonScriptforsolversefromabaqusConstantsimport*#Setsolverparameters#Submitthejobmdb.Job(name='ElectratTime=None,waitMinutes=0,waitHours=0,queue=NonmodelPrint=OFF,contactPrint=OFF,history分析完成后，可以使用Abaqus的后處理功能來(lái)可視化電磁場(chǎng)分布，提取關(guān)#AbaqusPythonScriptffromabaqusConstantsimpo4odb=session.openOdb(name=odb=session.openOdb(name='El#Extractmagneticfieldsession.XYDataFromHs['ElectromagneticCoi#導(dǎo)入Abaqus模塊5#創(chuàng)建一個(gè)新的模型#創(chuàng)建一個(gè)新的模型#定義一個(gè)矩形的電磁場(chǎng)分析區(qū)域g,v,d,c=s.geometry,s.vertices,s.dimensions,s.#網(wǎng)格劃分#選擇電磁場(chǎng)分析類型#定義材料#定義電導(dǎo)率#將材料屬性應(yīng)用到模型的區(qū)域例展示了如何在Abaqus中設(shè)置電壓邊界條件和電流激勵(lì)：6#設(shè)置電流激勵(lì)2.3.1代碼解釋兼容性分析等。3.1耦合分析的介紹3.1.1電磁-熱耦合分析在電磁-熱耦合分析中，Abaqus通過(guò)求解Maxwell方程和熱傳導(dǎo)方程來(lái)模擬電磁場(chǎng)和溫度場(chǎng)的相互作用。這種分析在感應(yīng)加熱、電磁制動(dòng)器、電機(jī)等設(shè)備7假設(shè)我們正在分析一個(gè)圓柱形金屬零件的感應(yīng)加熱過(guò)程。金屬零件的材料屬性、電磁場(chǎng)的源(如交流電流的頻率和強(qiáng)度)以及熱邊界條件(如環(huán)境溫度和冷卻條件)都需要定義。##Abaqus電磁-熱耦合分析示例fromabaqusConstantsimmodel=mdb.models['Model-1']#創(chuàng)建零件#定義截面8instance=model.rootAssembly.Instance(name='Cylindemdb.models['Model-1'].ElectromagneticField(name='EMSource',createStemdb.models['Model-1'].steps[magneticVectorPotential=(0.0,0.0,0.0),magneticVectorPotentmagneticVectorPotentialDistributionType=UNIFORM,magneticVectorPmagneticVectorPotentialRegion=WHOLE_REGION,magneticVectorPomagneticVectorPotentialValue=0.0,magneticVectorPotentialVariable=PRESELECTmagneticVectorPotentialVector=(0.0,0.0,0.0),magneticVectorPotentialVmagneticVectorPotentialVectorDistributionType=UNIFORM,magneticVectormagneticVectorPotentialVectorRegion=WHOLE_REGION,magneticVectorPmagneticVectorPotentialVectorVariable=PRESELECT,magneticVectorPotentimagneticVectorPotentialVectorField=UNSET,magneticVectorPotentialVmagneticVectorPotentialVectorType=VECTOR,magneticVectorPotentialVemagneticVectorPotentialVectorValue=(0.0,0.0,0.0),magneticVectorPotentmagneticVectorPotentialVectorRegion=WHOLE_REGION,magneticVectorPmagneticVectorPotentialVectorVariable=PRESELECT,magneticVectorPotentialVectorValue=(0.0,magneticVectorPotentialVectorField=UNSET,magneticVectorPotentialVmagneticVectorPotentialVectorType=VECTOR,magneticVectorPotentialVemagneticVectorPotentialVectorValue=(0.0,0.0,0.0),magneticVectorPotentmagneticVectorPotentialVectorRegion=WHOLE_REGION,magneticVectorPmagneticVectorPotentialVectorVariable=PRESELECT,magneticVectorPotentimagneticVectorPotentialVectorField=UNSET,magneticVectorPotentialVmagneticVectorPotentialVectorType=VECTOR,magneticVectorPotentialVemagneticVectorPotentialVectorValue=(0.0,0.0,0.0),magneticVectorPotent9magneticVectorPotentialVectorRegion=WHOLE_REGION,magneticVectormagneticVectorPotentialVectorField=UNSET,magneticVectorPotentialmagneticVectorPotentialVectorValue=(0.0,0.0,0.0),magneticVectorPotenmagneticVectorPotentialVectorRegion=WHOLE_REGION,magneticVectormagneticVectorPotentialVectorField=UNSET,magneticVectorPotentialmagneticVectorPotentialVectorValue=(0.0,0.0,0.0),magneticVectorPotenmagneticVectorPotentialVectorRegion=WHOLE_REGION,magneticVectormagneticVectorPotentialVecmagneticVectorPotentialVectorValue=(0.0,0.0,0.0),magneticVectorPotenmagneticVectorPotentialVectorRegion=WHOLE_REGION,magneticVectormagneticVectorPotentialVecmagneticVectorPotentialVectorValue=(0.0,0.0,0.0),magneticVectorPotenmagneticVectorPotentialVectorRegion=WHOLE_REGION,magneticVectormagneticVectorPotentialVectorField=UNSET,magneticVectorPotentialVmagneticVectorPotentialVectorType=VECTOR,magneticVectorPotentialVemagneticVectorPotentialVectorValue=(0.0,0.0,0.0),magneticVectorPotentmagneticVectorPotentialVectorRegion=WHOLE_REGION,magneticVectorPmagneticVectorPotentialVectorVariable=PRESELECT,magneticVectorPotentialVectorValue=(0.0,magneticVectorPotentialVectorField=UNSET,magneticVectorPotentialVmagneticVectorPotentialVectorType=VECTOR,magneticVectorPotentialVemagneticVectorPotentialVectorValue=(0.0,0.0,0.0),magneticVectorPotentmagneticVectorPotentialVectorRegion=WHOLE_REGION,magneticVectorPmagneticVectorPotentialVectorVariable=PRESELECT,magneticVectorPotentialVectorValue=(0.0,magneticVectorPotentialVectorField=UNSET,magneticVectorPotentialVmagneticVectorPotentialVectorType=VECTOR,magneticVectorPotentialVemagneticVectorPotentialVectorValue=(0.0,0.0,0.0),magneticVectorPotentmagneticVectorPotentialVectorRegion=WHOLE_REGION,magneticVectorPmagneticVectorPotentialVectorVariable=PRESELECT,magneticVectorPotentialVectorValue=(0.0,magneticVectorPotentialVectorField=UNSET,magneticVectorPotentialVmagneticVectorPotentialVectorType=VECTOR,magneticVectorPotentialVemagneticVectorPotentialVectorValue=(0.0,0.0,0.0),magneticVectorPotentmagneticVectorPotentialVectorRegion=WHOLE_REGION,magneticVectorPmagneticVectorPotentialVectorVariable=PRESELECT,magneticVectorPotentialVectorValue=(0.0,magneticVectorPotentialVectorField=UNSET,magneticVectorPotentialVmagneticVectorPotentialVectorType=VECTOR,magneticVectorPotentialVemagneticVectorPotentialVectorValue=(0.0,0.0,0.0),magneticVectorPotentmagneticVectorPotentialVectorRegion=WHOLE_REGION,magneticVectorPmagneticVectorPotentialVectorVariable=PRESELECT,magneticVectorPotentialVectorValue=(0magneticVectorPotentialVectorField=UNSET,magneticVectorPotentialVmagneticVectorPotentialVectorType=VECTOR,magneticVectorPotentialVemagneticVectorPotentialVectorValue=(0.0,0.0,0.0),magneticVectorPotentmagneticVectorPotentialVectorRegion=WHOLE_REGION,magneticVectorPmagneticVectorPotentialVectorVariable=PRESELECT,magneticVectorPotentialVectorValue=(0.0,mdb.models['Model-1'].TemperatureBC(name='AmbientTemp',createregion=instance.sets['Set-1'],temperature=20.0,amplitude=Umdb.models['Model-1'].Statimdb.models['Model-1'].ElecmagneticVectorPotentialAmplitude=UNSET,magneticVectorPotentialDistmagneticVectorPotentialField=UNSET,magneticVectorPotentialRmagneticVectorPotentialType=SCALAR,magneticVectorPotentialValue=magneticVectorPotentialVariable=PRESELECT,magneticVectorPotentialVemagneticVectorPotentialVectorAmplitude=UNSET,magneticVectorPotentialmagneticVectorPotentialVectorField=UNSET,magneticVectorPotentialVmagneticVectorPotentialVectorType=VECTOR,magneticVectorPotentialVemagneticVectorPotentialVectorValue=(0.0,0.0,0.0),magneticVectorPotentmagneticVectorPotentialVectorRegion=WHOLE_REGION,magneticVectorPmagneticVectorPotentialVectorVariable=PRESELECT,magneticVectorPotentimagneticVectorPotentialVectorField=UNSET,magneticVectorPotentialmagneticVectorPotentialVectorType=VECTOR,magneticVectorPotentialVectorVarmagneticVectorPotentialVectorValue=(0.0,0.0,0.0),magneticVectorPotenmagneticVectorPotentialVectorRegion=WHOLE_REGION,magneticVector#網(wǎng)格劃分atTime=None,waitMinutes=0,waitHours=0,queue=NonmodelPrint=OFF,contactPrint=OFF,historjob.submit()job.waitForCompletion()其中定義了電磁力，模擬了電磁場(chǎng)對(duì)零件的作用。最后，我們進(jìn)行了網(wǎng)格劃分，在Abaqus中，可以通過(guò)定義材料的B-H曲線(磁感應(yīng)強(qiáng)度與磁場(chǎng)強(qiáng)度的關(guān)系曲線)來(lái)模擬鐵磁材料的非線性磁導(dǎo)率。這需要在材料定義中輸入實(shí)驗(yàn)數(shù)據(jù)或使用理論模型。3.2.1.1示例：電機(jī)鐵芯的非線性電磁場(chǎng)分析假設(shè)我們正在分析一個(gè)電機(jī)鐵芯的電磁場(chǎng)分布，鐵芯材料為非線性鐵磁材料。material.BHCurve(name='BHCurve',table=((0.0,0.0),(0.1,100.0),(0.2,200.0material.MagneticPermeability(table=('BHC在非線性電磁場(chǎng)分析中，我們首先定義了鐵磁材料的B-H曲線，這代表了材料的磁化特性。然后，我們?cè)诓牧隙x中使用了這個(gè)B-H曲線來(lái)模擬材料的非線性磁導(dǎo)率。這種分析方法能夠更準(zhǔn)確地預(yù)測(cè)電機(jī)鐵芯在不同磁場(chǎng)強(qiáng)度下的3.3多物理場(chǎng)分析多物理場(chǎng)分析是指同時(shí)考慮多個(gè)物理場(chǎng)的相互作用，如電磁場(chǎng)、結(jié)構(gòu)力學(xué)和熱力學(xué)的耦合。在Abaqus中，這通常通過(guò)定義耦合載荷和邊界條件來(lái)實(shí)現(xiàn)。在電磁-結(jié)構(gòu)耦合分析中，電磁力會(huì)導(dǎo)致結(jié)構(gòu)變形，而結(jié)構(gòu)變形又會(huì)影響電磁場(chǎng)的分布。這種分析在電磁驅(qū)動(dòng)器、電磁閥等設(shè)備的設(shè)計(jì)中非常重要。假設(shè)我們正在分析一個(gè)電磁驅(qū)動(dòng)器的電磁力和結(jié)構(gòu)響應(yīng)。假設(shè)我們正在分析一個(gè)電磁驅(qū)動(dòng)器的電磁力和結(jié)構(gòu)響應(yīng)。mdb.models['Model-1'].ElectromagneticForce(name='magneticVectorPotentialAmplitude=UNSET,magneticVectorPotentialDismagneticVectorPotentialType=SCALAR,magneticVecmagneticVectorPotentialVariable=PRESELECT,magneticVectorPotentialVmagneticVectorPotentialVectorAmplitude=UNSET,magneticVectorPotentiamagneticVectorPotentialVectorField=UNSET,magneticVectorPotentialmdb.models['Model-1'].DisplacementBC(name='Famplitude=UNSET,fixed=OFF,distributionType=UN4.1結(jié)果可視化#Abaqus#AbaqusPythonScriptforElectricFieframe=odb.steps[stepName].fr#Createacontourplotforelectsession.viewports['Viewport:1'].odbDisplay.setFrame(step=stesession.viewports['Viewport:1'].odbDisplay.setPrimaryVariable(varsession.viewports['Viewport:1'].odbDisplay.setVectorDisplayOptions(vectorStyle=ARROW,vectorSize=0.01,vectorResolution=10,vectorColor=(0.0,0.0,1.0),vectorArrowheadSize=0session.viewports['Viewport:1'].odbDisplay.setVectorDisplayOpSize=0.01,vectorResolution=10,vectorColor=(0.0,0.0,1.0),vectorArrowheadSize=0session.viewports['Viewport:1'].odbDisplay.setVectorDisplayOptions(veSize=0.01,vectorResolution=10,vectorColor=(0.0,0.0,1.0),vectorArrowheadSize=0session.viewports['Viewport:1'].odbDisplay.setVectorDisplayOptions(veSize=0.01,vectorResolution=10,vectorColor=(0.0,0.0,1.0),vectorArrowheadSize=0session.viewports['Viewport:1'].odbDisplay.setVectorDisplayOptions(veSize=0.01,vectorResolution=10,vectorColor=(0.0,0.0,1.0),vectorArrowheadSize=0session.viewports['Viewport:1'].odbDisplay.setVectorDisplayOptions(veSize=0.01,vectorResolution=10,vectorColor=(0.0,0.0,1.0),vectorArrowheadSize=0session.viewports['Viewport:1'].odbDisplay.setVectorDisplayOptions(veSize=0.01,vectorResolution=10,vectorColor=(0.0,0.0,1.0),vectorArrowheadSize=0session.viewports['Viewport:1'].odbDisplay.setVectorDisplayOptions(vectorStyle=ARROW,vectorSize=0.01,vectorResolution=10,vectorColor=(0.0,0.0,1.0),vectorArrowheadSize=0session.viewports['Viewport:1'].odbDisplay.setVectorDisplayOptions(vectorStyle=ARROW,vectorSize=0.01,vectorResolution=10,vectorColor=(0.0,0.0,1.0),vectorArrowheadSize=0session.viewports['Viewport:1'].odbDisplay.setVectorDisplayOptions(veSize=0.01,vectorResolution=10,vectorColor=(0.0,0.0,1.0),vectorArrowheadSize=0session.viewports['Viewport:1'].odbDisplay.setVectorDisplayOptions(vectorSSize=0.01,vectorResolution=10,vectorColor=(0.0,0.0,1.0),vectorArrowheadSize=0session.viewports['Viewport:1'].odbDisplay.setVectorDisplayOptions(vectorStyle=ARROW,vectorSize=0.01,vectorResolution=10,vectorColor=(0.0,0.0,1.0),vectorArrowheadSize=0session.viewports['Viewport:1'].odbDisplay.setVectorDisplayOptions(vectorSSize=0.01,vectorResolution=10,vectorColor=(0.0,0.0,1.0),vectorArrowheadSize=0session.viewports['Viewport:1'].odbDisplay.setVectorDisplayOptions(vectorStyle=ARROWSize=0.01,vectorResolution=10,vectorColor=(0.0,0.0,1.0),vectorArrowheadSize=0session.viewports['Viewport:1'].odbDisplay.setVectorDisplayOptions(vectorStyle=ARROW,vectorSize=0.01,vectorResolution=10,vectorColor=(0.0,0.0,1.0),vectorArrowheadSize=0session.viewports['Viewport:1'].odbDisplay.setVectorDisplayOptions(vectorStyle=ARROW,vectorSize=0.01,vectorResolution=10,vectorColor=(0.0,0.0,1.0),vectorArrowheadSize=0session.viewports['Viewport:1'].odbDisplay.setVectorDisplayOptions(vectorSSize=0.01,vectorResolution=10,vectorColor=(0.0,0.0,1.0),vectorArrowheadSize=0session.viewports['Viewport:1'].odbDisplay.setVectorDisplayOptions(vectorSSize=0.01,vectorResolution=10,vectorColor=(0.0,0.0,1.0),vectorArrowheadSize=0session.viewports['Viewport:1'].odbDisplay.setVectorDisplayOptions(vectorSSize=0.01,vectorResolution=10,vectorColor=(0.0,0.0,1.0),vectorArrowheadSize=0session.viewports['Viewport:1'].odbDisplay.setVectorDisplayOptions(vectorSSize=0.01,vectorResolution=10,vectorColor=(0.0,0.0,1.0),vectorArrowheadSize=0#AbaqusPythonScriptforExtractingElectricFifromabaqusConstantsimpoodb=session.openOdb(name=mframe=odb.steps[stepName].frames[framelndex]#ExtractelectricfieldintelectricFieldData=electricField.values#Printelectricfieldintprint('Position:,data.position,'在電磁場(chǎng)分析中，誤差評(píng)估和模型驗(yàn)證是確保分析結(jié)果準(zhǔn)確性和可靠性的#Abaqus#AbaqusPythonScriptforfromabaqusConstantsimpo測(cè)值以上示例展示了如何在Abaqus中進(jìn)行電磁場(chǎng)分析的后處理，包括結(jié)果的可