Lub catenoid tau pom nyob rau hauv 1744 los ntawm Swiss mathematician Leonhard Euler thiab nws tsuas yog qhov tsawg kawg nkaus, uas tsis yog lub dav hlau, uas tuaj yeem tau txais los ntawm kev hloov pauv.
Catenary tsim li cas?
Ib txoj saw dai los ntawm cov ntsiab lus ib catenary. Cov kab hluav taws xob dai ntawm lub taub hau dawb kuj tsim ib lub catenary (feem ntau pom zoo nrog cov kab hluav taws xob siab, thiab nrog qee qhov tsis zoo nyob ze rau cov insulators). Cov kab laug sab ntawm kab laug sab web tsim ntau yam elastic catenaries.
Vim li cas catenary tseem ceeb?
Rau ib qho kev sib txuam ntawm qhov ntom ntom thiab tuab, txhawb nqa nws tus kheej qhov hnyav, catenary yog qhov nkhaus zoo tagnrho. Catenary arches muaj zog vim lawv redirect lub ntsug quab yuam ntawm lub ntiajteb txawj nqus mus rau hauv compression rog nias raws tus koov nkhaus … Ib qho piv txwv tseem ceeb ntawm qhov no yog lub koov ntawm Taq Kasra.
Dab tsi yog hauv catenary?
Catenary yog piav los ntawm kab zauv: y=a2(ex/a+e−x/a)=acoshxa . qhov twg yog qhov tsis tu ncua. Qhov qis tshaj ntawm cov saw hlau yog ntawm (0, a). Qhov nkhaus no hu ua catenary.
Qhov txawv ntawm parabola thiab catenary yog dab tsi?
Ua ntej txoj kev yuav nteg, cov hanging cables tsim ib tug duab hu ua catenary. Lo lus "catenary" los ntawm Latin lo lus "catena", txhais tau tias ib tug saw. … Cov duab ntawm cov cables tom qab txoj kev raug dai yog ib tug parabola. Tsis muaj qhov sib txawv ntawm parabola thiab catenary, thaum koj nqis mus rau nws.
