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eeussӰԺͼƬС˵,ũƬ,ѳߵӰ


•rg2020-08-04 07:47:37
{ȦȵĎrǿg͕rgĺǷǷضȈeeussӰԺͼƬС˵,ũƬ,ѳߵӰrضȈ@ӏsğ}SQoȟԴᆖ}溆AΡr|ͬԡԭʼrغ鳣ʿɲÈAϵ䌧΢ַ̞飺
a2T2x 2T2r 1rTr=T1ʽУTضȣxrքeS׃͏׃mrgsarʯČϵm3/srضȈʽ1ͽow߅lͳʼl_eeussӰԺͼƬС˵,ũƬ,ѳߵӰʹ@ӣM@ӵSᆖ}Ҳyý⣬ֻöSضȈSğLضȲSrg׃rĽ⡣

(1)


ˣĿǰLAyӋУһ@NSضȈĽӋܱڵɢM^ćrɢtOضȞԭʼrأţDsʽӋ㡣@NDzѵģeeussӰԺͼƬС˵,ũƬ,ѳߵӰҲDzƌWģǾMLAy`ҪԭҲƶƌWĽشʩһϵKPߑކԪMrضȈּڽʾԓضȈķֲҎɣMğԴӋLAyṩA
µČ΢ַ
κһHČᆖ}SǷBᆖ}Щl£JضȲSijһg׃rg׃׃ɺһSS򷀑Bᆖ}Ķʹ}⡣eeussӰԺͼƬС˵,ũƬ,ѳߵӰMrضȈȻҲSضȈ˱⣬ɺһЩҪأԱץסҪìܣʹoďs}õˣҲȌMrضȈSQoȟԴضȈ䌧΢ַ̄tɺʽ1ʾĶSǷB΢ַ̡

(2)


μOMǾǰM֪MSѭhIǰMģÿһѭhڶµı汩¶±¶Ĝض^ߵıܵLsضu½ֱµһѭhֱ¶±档һѭhȱضȵ½rɢҲS֮p٣LضҲS֮͡`CeeussӰԺͼƬС˵,ũƬ,ѳߵӰ@N׃󣬿՚ضȵ׃һֻ24ЕrС⣬w{܉m@һ΢С׃VصĿҪƽؽ͡҂ֻPĺӋ㹤ƽغ͇rƽɢӋrضȈɢrֻ]ƽMٶȣOǰM
MrıضȡLضȌֲ׃@ӣ҂ȡһƄӵˣƄӷٶcMٶȫͬ@£eeussӰԺͼƬС˵,ũƬ,ѳߵӰrضȈκһcĜضȌSrg׃ͨ^׃QõĄµČ΢ַ̌rg׃ʹĆ}õ

(3)


ͨ^ƌõƄµČ΢ַ̣
ar2Tx2 r2Tr4 Tr=-crTx2
ʽУcMٶȣm/sxrµS׃͏׃̖xͬǰ
ضȈ߅缰Ԫ
M֮ǰr̎ԭʼضȡMcLMПύQԭʼrظLضȕrض½܇γһsȦһxćrضԞԭʼrءˣeeussӰԺͼƬС˵,ũƬ,ѳߵӰһxضȈ߅磬1ʾ1ԓ߅ϜضȞԭʼrء
ڹһx̎rSĜضȲOСԓķƞ㣬ɿɽ^߅磬1е2LcrMЌQᣬʞ߅磬1е3.

(5)


ΆԪԪӋ^Bm|wMxɢ̎^򄝷ֳһϵІԪԪĄһҪӋ^ȵĜض׃rڜض׃ą^m܆ԪeeussӰԺͼƬС˵,ũƬ,ѳߵӰض׃Сą^pنԪһӋĿĶоMrضȈrcҪ˽rĜضȷֲ@rҪӋ^Ľӽ̎܆Ԫʹڴ̎ӋõĹcضߵľȡˣԪĄֲÆԪߴȱf2ʾ
2ԪֈD
Ԫⷽ
ʽ2ʾ΢ַcͨSQ΢̵ַͬ߅һһA헡溆Galerkinәʽ2׃̵ַƌ^̡


Orضȵҕ˺͹cضȵĺކԪĽ㲽EǣȌÿԪʽĽֵ^̷QԪΌԪĽYʽУԸcضȞ֪ľԷ̽MeeussӰԺͼƬС˵,ũƬ,ѳߵӰ^̷Q鿂wϳɣԓ̽Mõc͜ضȈκһcĜضȡ
Ԫijߴ^СrɽƌԪȵĜضȿǾ׃ģ@ӾͿɌԪȵĜضxɢɹcضȵľԺijmքeʾԪ3cԪһ߅߅rԓ߅ϵăɹcjmʾ

(6)


һ߅Ԫȃrڵ߅l=Tf=T0ӋCӋrȡ=108.
rɢӋ
rضȈĽĿЃɂһ˽ضȈķֲҎɣӋrɢͨ^ضȈĽ㣬ĜضȣţDsʽӋɢضԪӋYáeeussӰԺͼƬС˵,ũƬ,ѳߵӰڲÈAˣM͂ӋĹʽҲͬ
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