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时间:2019-11-26
《基于线性弹性体的网格变形方法研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、½47þ½2ÿ!"1SUVVol.47No.22017#3$AeronauticalComputingTechniqueMar.2017LÞnÅ`Ž0#$ºÖVY12â,ÆÕ,ztã(!#-MLT#$Yj78()k,SLLT710068)34:BC?@D:;1<=>Näå?q[Qæ`®NN9,äá89ÜÝgT?çNa£ZV。45Z_AaòÛÁÁ2、?qeAkl,àA?@N¯ÜI,è,^da£Ò=、_÷Î@8:、áºÑFR8ÁKL3、?q,séaòÛÁÁ4、,BCì/yí¦N89,^iBCîï、ðñÁ。567::;1<=>;BC;ÛÁÁ<;áºÑ1F89:;<:O354;V211.3=>?@A:A=BC<:1671?654X(2017)02?0037?04StudyonLinearElasticSolidBasedGridDeformationMethodTANWei?wei,LIUFeng?bo,ZHANGYi?fan(Xi′anAeronauticsComputingTechniqueResearchInstitute,AVIC,Xi′an710068,China)Abstract:Griddeformationmethodsplayane5、xtremelyimportantroleinComputationalFluidDynamics(CFD),andalsoarethefundamentalcomponentofmanyapplicationproblems.Thispaperpresentsthestudyandimplementationoflinearelasticsolidbasedgriddeformationmethod.Researchprogress,theoreticformulationandprogramimplementationaretalked;themostoptimizationparam6、etersarealsogiven.Verificationandvalidationsolutionsrangefrombasicdeformationcapability,multi?elementairfoildesigntounsteadydynamicperformancearepresented.Solutionsshowthat:linearelasticsolidbasedgriddeformationmethodwellsuitedforlargegeometrychange,especiallyforapplicationswithbiggridtorsion,andp7、roducehighquality′sdeformedgrid,meanwhilethismethodisveryrobust.Keywords:CFD;griddeformation;linearelasticsolid;unsteadyflowDEMÆ®5·D2X892IÄ,lX_1S!³w£Y,H³gYÙ50γ,t"ÖÖ×t"5Í'ÎX"89±XY#Z×!Ö×5ü3gÁHwm1±Ya,ò£zo±,s-./"yÒ89、XY[ÐC5^_8{Æ7)r、Ð.rW0Mrij,$ü3gï9、íƤX"89¨,¤/5©¸89ì(:X_©ÁÏ1S±4±ÁHwm³5ü3,àf1S!QQ¿5ÁF18、ÁF。gh?w89,Ä:51S!。Y5w£Ë4E³(·ky;hÄ,sÁH、xC、DÖ[1-5]ÃÁ5ÐC,¸¹ÐCWÍÐC/G_¨×W¨。ÁH(O±·ÇH,1ÃWÂÁHAe,YųÂRçÐC5¥¦,(O§MÈÁH5¾¿,Ź§MMÅâ,k"³ÁH$¸Ût"Ö×Á´±ÄÈ5¾¿,9、(eÇh1SÏ。H,În§MÐ.ÈÁH¾¿5。èÈ}~,1SXY#ZqÆÃÎî]Äh1nÅ`ŽY,ÁH,Õnæy*}b`、、Y、r¼ïCb`、Delaunay¿%aÏ(wOÜaÏ)5`Ò³D[4]lYog²YWͲY[6]。Ͳb`WâÙY。Y¤çÆTezduyar±§FGHI:2017-02-10、10JKHI:2017-03-09LMNO:ëìx³!ññ}òó(MJ-2015-F-010);!"îZïðñ}òó(2015ZA31002)PQRS:(1986-),ö,ªµ¶,qrû,æycd¼g1SXY#Z$¦[Û。·38·!"1SUV½47þ½2ÿY'ù5aÏ[[ÁÏf¥e,÷±PÍr2].^gF5=§M。GMRESSÆ[11]、¼·。²Y,'ùST5aϼYoucefSaadWMarti
2、?qeAkl,àA?@N¯ÜI,è,^da£Ò=、_÷Î@8:、áºÑFR8ÁKL
3、?q,séaòÛÁÁ4、,BCì/yí¦N89,^iBCîï、ðñÁ。567::;1<=>;BC;ÛÁÁ<;áºÑ1F89:;<:O354;V211.3=>?@A:A=BC<:1671?654X(2017)02?0037?04StudyonLinearElasticSolidBasedGridDeformationMethodTANWei?wei,LIUFeng?bo,ZHANGYi?fan(Xi′anAeronauticsComputingTechniqueResearchInstitute,AVIC,Xi′an710068,China)Abstract:Griddeformationmethodsplayane5、xtremelyimportantroleinComputationalFluidDynamics(CFD),andalsoarethefundamentalcomponentofmanyapplicationproblems.Thispaperpresentsthestudyandimplementationoflinearelasticsolidbasedgriddeformationmethod.Researchprogress,theoreticformulationandprogramimplementationaretalked;themostoptimizationparam6、etersarealsogiven.Verificationandvalidationsolutionsrangefrombasicdeformationcapability,multi?elementairfoildesigntounsteadydynamicperformancearepresented.Solutionsshowthat:linearelasticsolidbasedgriddeformationmethodwellsuitedforlargegeometrychange,especiallyforapplicationswithbiggridtorsion,andp7、roducehighquality′sdeformedgrid,meanwhilethismethodisveryrobust.Keywords:CFD;griddeformation;linearelasticsolid;unsteadyflowDEMÆ®5·D2X892IÄ,lX_1S!³w£Y,H³gYÙ50γ,t"ÖÖ×t"5Í'ÎX"89±XY#Z×!Ö×5ü3gÁHwm1±Ya,ò£zo±,s-./"yÒ89、XY[ÐC5^_8{Æ7)r、Ð.rW0Mrij,$ü3gï9、íƤX"89¨,¤/5©¸89ì(:X_©ÁÏ1S±4±ÁHwm³5ü3,àf1S!QQ¿5ÁF18、ÁF。gh?w89,Ä:51S!。Y5w£Ë4E³(·ky;hÄ,sÁH、xC、DÖ[1-5]ÃÁ5ÐC,¸¹ÐCWÍÐC/G_¨×W¨。ÁH(O±·ÇH,1ÃWÂÁHAe,YųÂRçÐC5¥¦,(O§MÈÁH5¾¿,Ź§MMÅâ,k"³ÁH$¸Ût"Ö×Á´±ÄÈ5¾¿,9、(eÇh1SÏ。H,În§MÐ.ÈÁH¾¿5。èÈ}~,1SXY#ZqÆÃÎî]Äh1nÅ`ŽY,ÁH,Õnæy*}b`、、Y、r¼ïCb`、Delaunay¿%aÏ(wOÜaÏ)5`Ò³D[4]lYog²YWͲY[6]。Ͳb`WâÙY。Y¤çÆTezduyar±§FGHI:2017-02-10、10JKHI:2017-03-09LMNO:ëìx³!ññ}òó(MJ-2015-F-010);!"îZïðñ}òó(2015ZA31002)PQRS:(1986-),ö,ªµ¶,qrû,æycd¼g1SXY#Z$¦[Û。·38·!"1SUV½47þ½2ÿY'ù5aÏ[[ÁÏf¥e,÷±PÍr2].^gF5=§M。GMRESSÆ[11]、¼·。²Y,'ùST5aϼYoucefSaadWMarti
4、,BCì/yí¦N89,^iBCîï、ðñÁ。567::;1<=>;BC;ÛÁÁ<;áºÑ1F89:;<:O354;V211.3=>?@A:A=BC<:1671?654X(2017)02?0037?04StudyonLinearElasticSolidBasedGridDeformationMethodTANWei?wei,LIUFeng?bo,ZHANGYi?fan(Xi′anAeronauticsComputingTechniqueResearchInstitute,AVIC,Xi′an710068,China)Abstract:Griddeformationmethodsplayane
5、xtremelyimportantroleinComputationalFluidDynamics(CFD),andalsoarethefundamentalcomponentofmanyapplicationproblems.Thispaperpresentsthestudyandimplementationoflinearelasticsolidbasedgriddeformationmethod.Researchprogress,theoreticformulationandprogramimplementationaretalked;themostoptimizationparam
6、etersarealsogiven.Verificationandvalidationsolutionsrangefrombasicdeformationcapability,multi?elementairfoildesigntounsteadydynamicperformancearepresented.Solutionsshowthat:linearelasticsolidbasedgriddeformationmethodwellsuitedforlargegeometrychange,especiallyforapplicationswithbiggridtorsion,andp
7、roducehighquality′sdeformedgrid,meanwhilethismethodisveryrobust.Keywords:CFD;griddeformation;linearelasticsolid;unsteadyflowDEMÆ®5·D2X892IÄ,lX_1S!³w£Y,H³gYÙ50γ,t"ÖÖ×t"5Í'ÎX"89±XY#Z×!Ö×5ü3gÁHwm1±Ya,ò£zo±,s-./"yÒ89、XY[ÐC5^_8{Æ7)r、Ð.rW0Mrij,$ü3gï9、íƤX"89¨,¤/5©¸89ì(:X_©ÁÏ1S±4±ÁHwm³5ü3,àf1S!QQ¿5ÁF1
8、ÁF。gh?w89,Ä:51S!。Y5w£Ë4E³(·ky;hÄ,sÁH、xC、DÖ[1-5]ÃÁ5ÐC,¸¹ÐCWÍÐC/G_¨×W¨。ÁH(O±·ÇH,1ÃWÂÁHAe,YųÂRçÐC5¥¦,(O§MÈÁH5¾¿,Ź§MMÅâ,k"³ÁH$¸Ût"Ö×Á´±ÄÈ5¾¿,
9、(eÇh1SÏ。H,În§MÐ.ÈÁH¾¿5。èÈ}~,1SXY#ZqÆÃÎî]Äh1nÅ`ŽY,ÁH,Õnæy*}b`、、Y、r¼ïCb`、Delaunay¿%aÏ(wOÜaÏ)5`Ò³D[4]lYog²YWͲY[6]。Ͳb`WâÙY。Y¤çÆTezduyar±§FGHI:2017-02-
10、10JKHI:2017-03-09LMNO:ëìx³!ññ}òó(MJ-2015-F-010);!"îZïðñ}òó(2015ZA31002)PQRS:(1986-),ö,ªµ¶,qrû,æycd¼g1SXY#Z$¦[Û。·38·!"1SUV½47þ½2ÿY'ù5aÏ[[ÁÏf¥e,÷±PÍr2].^gF5=§M。GMRESSÆ[11]、¼·。²Y,'ùST5aϼYoucefSaadWMarti
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