Aeroelastic Analysis of Aircraft with Control Surfaces ... - CFD4Aircraft

Flutter boundary calculated by CFD and NASTRAN for Model 1CFD 2-3-4550 LinearLinear 2-3-4 CFD modes 2-3-4Linear modes 2-4CFD5001400 LinearCFD1300Flutter boundary calculated by CFD and NASTRAN for Model 2Velocity [m/s]450400350300250200CFD modes 1-2-3-4Linear 2-3-4Linear modes 2-4150´µVelocity [m/s]120011001000900800700CFD 1-2Linear 1-2CFD 1-2Linear 1-2CFD 1-2Linear 1-2CFD 1-2Linear 1-2CFD modes 1-2-3-4Linear modes 2-3100500CFD 1-2Linear 1-2Linear modes 2-4504000300ÈÅ ÙÖº¾½ÐÙØØÖÓÙÒÖÝÐÓÒÛØØÒØÖØÒÑÓ×ÐÙÐØÝÆËÌÊÆÒ0.4 0.6 0.8 1 1.2 1.40.4 0.6 0.8 1 1.2 1.4Mach numberMach numberÐÒÖÑØÓ×Һ̭ÙØØÖÚÐÓØÝÐÙÐØÝÆËÌÊÆÓÖÅÓн×ÔØŽº¼ÒØÒ ÌÚÓÙÖÓÆ×ØÖÒØŽº¼ÒÔÖØÒØ­ÙØØÖÚÐÓØÝ×ÚÖÝ×ÑÐÖØÓÛØ ÒÖ×׺×ØÐÒÖÑÓÐ×ÖÒÓØÐØÓÔÖØ×Ó׸Ø×ÔÖÑÒ×ÙÒÜÔÐÒº×ÖÓÐ×Ø×ØÓÓÐ×ÖÙÒÐØÓÔÖØ­ÙØØÖØÛÒÅÒÙÑÖ×½º¼Ò½º½ÓÖ Û×Ó×ÖÚÒÔØÖ¿ÛØØÀÛÑÓкÌ×Ö¹ÒÓÖ×ØÓÒÐÙ×ÓÒØØÐÒÖÚÒØÚÑÔÒÓÖÒÖÓÓÐÔØÒÐÓÒØ×ÐÒØÐÓÛ×ÙÔÖ×ÓÒÅ ××ÛØØÖÐÒÓÒØÖÓÐ×ÙÖºÇÒÔÓ××ÐØÝ×ØØÐÒÖ××ÙÔÖ×ÓÒØÓÖ×½º¼Ò½ººÌ­ÙØØÖÚÐÓØ×ÐÙÐØÝÓÒÓÖ×ÖÒÙ×ÒØÙÐÖ Ø×ÑØØÖ×ÓÒÓÖØ×ÔÙÖÓÙ×­ÙØØÖÚÐÓØ×ÓØÛÒØÛÒÅÒÙÑÖ× ÒÙÑÖ׺ÁÒØÙÖÖÒØ×Ø­Ô×Ó×ÐÐØÒÐÓÒØ×ÐÒ´ØÒÐÒµÒÕÙØÓÒ×ÑØØÐÒÖÖ×ÙÐØ×ÒØÐÓÛ×Ù×ÓÒÖÓÒ׺ÌÖ×ÔØżºÙ ×ÓÑÓÚ×ÓÚÖØÓÒØÖÓÐ×ÙÖÒØÓ×ÐÐØÓÒ×ÙØÓÙÞÞÓÑÒØØÖÓÐ×Ø ØÓØ×ÓÓÖÑØÓÒÓÚÖØÛÒÛ×ÒÓØÔÖØÝÆËÌÊƺØÖżºØ Ö×ÔÓÒ׺×ÙÞÞ××ÓÖÚÒØÓ×ÐÐØÓÒ×ÔÖ××ØØÚÒÚÖÝÐÓÛÚÐÓØ×´×ÐÓÛ× ½¼¼Ñ»×µºÁØÛ××ÓÛÒÒËØÓÒº¾º¿ØØØÓÒ×ØÓÙÞÞ××Ò×ØÚØÓØÒØÐÑÔÙÐ× ÚÒØÓØ­ÔºÁØÛ×Ð×Ó×ÓÛÒØØÓÖØÙÖÖÒØ×ØÙÞÞÓ×ÒÓØÓÙÖÛÒ ÛÒØÓÖ×ÓÒÑÓÝÚÒ×ÑÐÐÑÔÙÐ×ØÓØÛÒÒÒÑÓØżºÛØÓÙØ ØÒØÐÑÔÙÐ×××ÑÐÐØżººÀÒØ×ÔÓ××ÐØÓÓÙÔÐØÛÒÒÒÒ ÜØÒØ­ÔÑÓºÌ××ØÖ×ÓÒ­ÙØØÖÚÐÓØÝÓÙÐÜØÖØØżºÙØ ÒÓØØÖÅÒÙÑÖ×ÛÖØÖ×ÓÒ×ØÓÙÞÞØ×ÑÐÐÑÔÙÐ×ØÓØ­ÔÑÓº ½¼½600´µ