Yechiduku ye moduku uye zvarinoreva

Mamiriro ekudzivirira kwenguva refu kwezvinhu zvakagadziriswa, kana kuti Young's modulus, inhu huzhinji hunofananidzira nzvimbo yezvinhu zvinopa kuvhiringidzwa kwekudzika kwemaitiro kunoita kutungamira kwenguva refu.

Chimiro chinoratidza chiyero chekugadzikana kwemamwe mashoko.

Zita remutumbi wacho rinoenderana nezita raTomas Young - chizivikanwi chechiFrench physicist uye musayendisiti, uyo akadzidza nzira dzekutengesa uye kutambanudza zvinhu zvakasimba. Uyu huwandu hwepanyama hunotsanangurwa netsamba yechiLatin E. Ive Young's modulus mu Pascals inoyerwa.

Muenzaniso weVechiduku we modulus, kana kuti modulus ye-longitudinal elasticity, inoshandiswa kuverengeka dzakasiyana apo painoedza zvigadzirwa zvehuwandu hwekunyengedzera mukudzvinyirira-kuwedzera, uyewo zvekukotama.

Zvinofanira kuonekwa kuti zvizhinji zvezvinhu zvakagadzirirwa zvinoshandiswa neveVechiduku vane maitiro makuru akakwana, ayo, sezvinotonga, ndeyomutengo we 10 ⁹ Pa. Saka, kuitira nyore kuverenga nekurekodha, chirevo chekutanga "giga" (GPa) chinoshandiswa.

Pasi pane maitiro eYoung's modulus pane zvimwe zvivakwa, izvo zvinowanzoshandiswa nenzira dzakasiyana-siyana. Icho chiri pamasimba avo masimba kuti kusara kwezvivako zvekuvaka uye zvimwe zvinhu zvinoenderana.

Maererano netafura iri pamusoro, iyo huru yehurukuro yemu module ndiyo yesimbi, uye huwandu hunokosha kumuti.

Imwe tsanangudzo yakajeka yeVechidiki yemutauro inobvira nekubatsirwa kwemufananidzo wakakosha wepfungwa, unoratidza kuratidzika kunowanikwa kuburikidza nekuongororwa kwemashoko akafanana kuti ave nesimba.

Muchiitiko ichi, chirevo chemuviri weWin's modulus ndechokuti uwane hukama hwemasvomhu hwekunyanya kushungurudzika kune zvinokonzerwa nekushandura maruva mune imwe chikamu chemufananidzo kune chirevo chakatarwa chekuenzanisa σ _pc.

Mune chimiro chemasvomhu Zvinonzi Young's modulus inoratidzika seiyi: E = σ / ε = tgα

Inofanirawo kutaurwa kuti Young's modulus iriwo kuenzana kwehuwandu mune tsanangudzo yemasvomhu yemutemo waHooke, unoita seiyi: σ = EE

Nokudaro, ukama hwakananga hwehurefu hwekushambidzika hunoenderana nemafungiro akaenzana ezvinyorwa zvidzitiro zvakabatanidzwa mumatambudziko ekugadzirisa zvinoratidzwa nenzira dzezviratidzo seEE neE1.
EE inorondedzero yekusungurudza-kugadzirisa kusagadzikana kwezvinyorwa mumuganhu waro, apo A ndiyo kukosha kwemuchinjikwa-chikamu nzvimbo ye tsvimbo.

E1 inotsanangurwa yekusagadzika painochera zvinhu mumutambo waro, iyo 1 inokosha yeaxial moment inertia inowanikwa muchikamu chezvinhu zviri kuedzwa.

Nokudaro, Young's modulus chiratidzo chepasi rose chinobvumira kugadzirisa simba rezvinyorwa kubva kumativi akawanda.