Cwaninga ngesisekelo se-theoretical of design ukwenziwa kwama-hinges aguqukayo kanye nezindlela zomzimba eziguqukayo1

I-Abstract: Lolu cwaningo lubheka ukutadisha i-matrix eguquguqukayo yogongolo oluqondile oluzungeleze. Indlela yokubala yokuhlaziya yokuguqulwa kwendiza ye-hinge ye-hinge ithathwe ngokususelwa emcabangweni we-cantilever beam theory. Imodeli yokuhlaziya evaliwe ye-matrix evaliwe ye-matrix eguquguqukayo isunguliwe, futhi ifomula yokubala eyenziwe lula ye-matrix yokuguquguquka i-matrix eguqulwa lapho ucubungula irediyo ekhoneni nobukhulu be-hinge. Ngokwengeziwe, imodeli ye-ONED ye-Ongetic ye-Hinge yathuthukiswa ukuqinisekisa ukunemba kwemodeli yokuhlaziya. Iphutha elihlobene phakathi kwamanani wokuhlaziya nowembumbulu we-Flexity Matrix Parameters ahlaziywa amapharamitha ahlukile we-hinge. Imiphumela ikhombisa ukuthi imodeli yokuhlaziya inembile, futhi amaphutha ahlukahlukene angalawulwa ngaphakathi kwemingcele eyamukelekayo.

Ama-hinges aguquguqukayo asetshenziswa kabanzi kumadivayisi anembile ngenxa yezinzuzo zawo zokulungiswa okuphezulu okuphezulu, akukho ukungqubuzana, kanye nenqubo elula yokukhiqiza. Lawa ma-hinges ancike ekuguqukeni kwawo kokukhula ukuze adlulise noma aguqule ukunyakaza, amandla, noma amandla, aqede isidingo sezinto eziqinile. Amapharamitha asemqoka we-hinge eguquguqukayo athinte ngqo izici zawo ezinamandla nokugcina ukunemba. Ucwaningo lwangaphambilini lugxile ezinhlotsheni ezahlukene ze-hinges eziguquguqukayo, kepha izifundo ezilinganiselwe ziye zenziwa ku-beam oqondile ugobe eligoqiwe. Leli phepha lihlose ukugcwalisa leligebe locwaningo ngokutadisha i-matrix yokuguquguquka kwama-hinges anjalo.

1. Ukuvumelana nezimo matrix of i-beam eqondile eyindilinga eguquguqukayo hinges:

Ugongolo oluqondile luzungeleze oluguquguqukayo oluguqukayo luyisakhiwo sephepha elinamagumbi ayindilinga ukugwema ukugxila kwengcindezi. Amapharamitha we-hinge's geometric afaka ukuphakama, ubude, ubukhulu kanye ne-fillet radius. Imodeli yokuhlaziya okuvaliwe ye-matrix yokuguquguquka ye-hinge yasungulwa ngokususelwa kwindlela yokubala yokuhlaziya ethathwe ethathwe ekuguqukeni kwendiza. Amapharamitha we-matrix aguquguqukayo ahlaziywa amapharamitha ahlukile we-hinge, kanye nephutha elihlobene phakathi kwamanani wokuhlaziya nowokulingisa kubalwa.

2. Ukuqinisekiswa kwe-Emetion Element ye-matrix eguquguqukayo:

Ukuze uqinisekise ukunemba kwemodeli yokuhlaziya, imodeli ye-ONET ye-Onge eyenziwe ye-Finge eyenziwe kusetshenziswa isoftware ye-Ugx Nastraman. Imiphumela yokulingisa ye-hinge egcwele i-Unit Force / Moment iqhathaniswa namanani wokuhlaziya. Iphutha elilinganiselwe phakathi kwamanani wokuhlaziya nowembumbulu we-Flexity Matrix Parameters ahlaziywa izilinganiso ezahlukene zobude be-hinge kubukhulu (l / t) nerejista ekhoneni kuya ekunciphiseni (R / T).

2.1 Umphumela we-L / T ngokuguquguquka kwama-matrix parameter:

Iphutha elihlobene phakathi kwamanani wokuhlaziya nowembumbulu we-Flexity Matrix Parameters atholakala ngaphakathi kwe-5.5% lapho isilinganiso se-L / T sikhulu kune- noma silingana no-4. Ngezilinganiso ezingaphansi kwe-4, iphutha elihlobene lenyusa kakhulu ngenxa yokulinganiselwa komqondo we-Slender Beam. Ngakho-ke, imodeli yokuhlaziya evaliwe ye-Loop ilungele ama-hinges anezilinganiso ezikhudlwana ze-L / T.

2.2 Umphumela we-R / T ngokuguquguquka kwama-matrix parameter:

Iphutha elihlobene phakathi kwamanani wokuhlaziya nowembumbulu we-Flexity Matrix Parameters akhuphuka ngokwanda kwesilinganiso R / T. Ngezilinganiso eziphakathi kuka-0,1 no-0,5, iphutha elihlobene lingalawulwa ngaphakathi kwe-9%. Okwezilinganiso eziphakathi kuka-0.2 no-0.3, iphutha elihlobene lingalawulwa kungakapheli ama-6.5%.

2.3 Umphumela we-R / T ezenzweni ze-matrix ezilula:

Ifomula yokuhlaziya eyenziwe lula ye-Flexity Matrix Parameters ihlinzekiwe Ukubheka isilinganiso se-R / T. Iphutha elihlobene phakathi kwamanani wokuhlaziya alula kanye namanani wokulingisa anda ngokunyuka kwesilinganiso R / T. Ngezilinganiso eziphakathi kuka-0.3 no-0.2, iphutha elihlobene lingalawulwa kungakapheli ama-9% no-7%, ngokulandelana.

Imodeli yokuhlaziya evaliwe ye-evaliwe ye-matrix yokuguquguquka ye-matrix yokuguquguquka kwama-beam aqondile ama-hingere ahlanganisiwe ama-hinges ahlinzeka ngesisekelo sethiyori sokwakhiwa nokwenza kahle kwama-hinges nezindlela eziguqukayo. Ukunemba kwemodeli kuqinisekiswe nge-Fination element, futhi amaphutha ahlukahlukene angaphakathi kwemikhawulo eyamukelekayo yamapharamitha ahlukile we-hinge. Lolu cwaningo lunomthelela ekuqondeni nasekusetshenzisweni kokuqothuka okuqondile okuhlanganisiwe kwe-hingere flexirered hinges kumadivayisi ahlukahlukene okunemba.