Ọtụtụ, Nkọwa Akwukyere "Spline"

Site na Ntuziaka Mechanical na Echiche Mgbagwoju

Enwere otutu nkọwa nke okwu okwu. Anyị ga-ekpuchi ole na ole ma gosipụta ọganihu nke okwu ahụ site na ngwá ọrụ ngwaọrụ iji chepụta echiche mgbakọ na mgbagwoju anya.

Mechanics

Ihe ntanetị bụ ihe njirimara maka ihe ntụgharị. dị ka nsị ma ọ bụ ezé n'elu ogwe ụgbọala nke na-eji ntutu na ntanye na ihe mgbochi ma na-enyefe ya.

Agbanwe Mgbanwe

Ihe nkedo, ma ọ bụ ihe a na-eme n'oge a na-agbanwe usoro mgbatị, na-agụnye ogologo nkedo na-edozi n'ọkwá n'ọtụtụ isi ihe na-adabere na-etolite. Dị ka ọmụmaatụ, tupu kọmputa, ndị na-emepụta ihe na ndị na-emepụta akwụkwọ jiri ngwá ọrụ eji enyere ha aka iji aka ha. Iji tụọ akụkụ ụfọdụ, ha jiri ogologo osisi, plastik ma ọ bụ ígwè, nke a na-akpọ splines mee ihe.

Mgbidi windo

Maka ihe nkedo arụnyere na okpokoro aluminom, a na-egbutu ihe dị okpukpu karịa okpokoro ahụ, wee debe ya, na eriri vinyl na-agbanwe agbanwe, nke a na-akpọ spline, na-agbanye ihe ngebichi n'ime oghere (spline channel) na etiti.

Usoro mgbakọ na mwepụ

Na mgbakọ na mwepụ, a na-eji okwu a na-eji ihe ntanetị eme ihe site n'aha nke ụrọ mpempe akwụkwọ na-agbanwe agbanwe na-ejikarị ndị na-emepụta akwụkwọ iji nyere aka n'ịbịaru eriri. N'ebe a, ihe nkedo bụ ọrụ nchịkọta nke ọrụ polynomial kọwapụtara, nke na-enwekwa ezigbo ịdị mma n'ebe ndị polynomial jikọtara (nke a maara dị ka ọnụ ). Na Bekee, a na-agbanwe usoro.

Geometry

A na-eji oge ntanetị eme ihe ugboro ugboro na NURBS .

NURBS, Ụdị Ngwá Ndị Na-adịghị Ejikọta B-Splines, bụ ihe atụ nke mgbakọ na mwepụ nke 3-D geometry nke nwere ike ịkọwapụta ụdị ọ bụla site na ntinye 2-D dị mfe, gburugburu, arc, ma ọ bụ nkwụnye gaa na mbara ala free-form organic 3-D. ma ọ bụ siri ike. N'ihi mgbanwe ha na nzi ezi ha, a pụrụ iji ụdị NURBS mee ihe na usoro ọ bụla site na ihe atụ na mmega ahụ n'ichepụta.

Nzugharị NURBS kọwaa ihe anọ: ogo, akara njikwa, ntụpọ, na iwu nyocha.