
landau-squire jett

drav gatiki mein, landau-squire jett yaa jalmagn landau jett gati key ack bindu srot seey jaari ack goal jalmagn jett koo usee prakaar key ack anant drav madhyam mein varnit kartaa haye. yeh navier-stokes samikaranon key asampeedit roop kaa ack sateek samadhan haye, jisaki khoj pahali baar 1944 mein lev landau dwara aur baad mein 1951 mein herbert squire dwara kii gaee thee. aeye. 1934 mein, lekin kabhi bhee jett parr lagu naheen kiya gayaa. landau key kaam key baad, v. aaee. yatsev ney 1950 mein sameekaran kaa samanya samadhan praapt kiya.
ganitiya vivaran.
samasya koo golakar nirdeshank sootra _ 1 mein wegg ghatakon sootra _ 2 key saath varnit kiya gayaa haye. pravaah akshasamamit haye, i.ee.sootra _ 3 seey swatantra. phir nirantarta sameekaran aur asampeedit naabhik-stokes sameekaran cumm hoe jaate hain
kahaan
samadhan key liye ack swa-samaan vivaran nimnalikhit roop mein upalabdh haye,
uparokt swa-samaan roop koo shaasi samikaranon mein pratisthaapit karate hue aur anant parr seema shart sootra _ 7 kaa upayog karate hue, dabaav key liye roop paaya jaataa haye
jahan sootra _ 9 ack sthiraank haye. iss dabaav kaa upayog karate hue, humm gati sameekaran seey phir seey paate hain,
sootra _ 11 koo sootra _ 12 dwara swatantra charr key roop mein pratisthaapit karate hue, wegg bunn jaate hain.
(sankshiptata key liye, ack hii prateek kaa upayog sootra _ 14 aur sootra _ 15 key liye kiya jaataa haye, bhale hii way karyatmak roop seey samaan houn, lekin alag-alag sankhyaatmak moolya lete hain) aur sameekaran bunn jaataa haye.
dou ekikaranon key baad, sameekaran cumm hoe jaataa haye
jahan sootra _ 18 aur sootra _ 19 ekikaran key sthiraank hain. uparokt sameekaran ack richak sameekaran haye. kuchh ganana key baad, samanya samadhan dikhaaya jaa sakata haye
jahan sootra _ 21 sthiraank hain. jett key liye bhautik roop seey praasangik samadhan mamle key sootra _ 22 seey mell khaata haye (samkaksh, humm kahate hain kii sootra _ 23, taaki samadhan samroopata key aksh parr ekvachanta seey mukt hoe, mool koo chhodkar). isaliye,
falan sootra _ 25 sootra _ 26 key roop mein dhaara falan seey sambandhit haye, iss prakaar sootra _ 28 key vibhinn moolyon key liye sootra _ 25 kii ruprekha pravaah rekhaaen pradaan karati haye. sthir sootra _ 28 jett kii disha mein kaary karane vaale mool bull kaa varnan kartaa haye (yeh bull mool key aspas kissy bhee gole mein gati hastaantaran kii darr key barabar haye aur saath hii dabaav aur chipchipa balon key kaaran gole dwara jett disha mein lagaae gaye bull key barabar haye), bull aur sthir key beach sateek sambandh dwara diyaa jaataa haye
samadhan mool seey teji seey door jaane vaale drav key ack jett kaa varnan kartaa haye aur jett key baahar dheere-dheere chalane vaale drav koo pravesh detaa haye. jett key kinare koo usa sthaan key roop mein paribhaashit kiya jaa sakata haye jahan dhaaraaen aksh seey nyuntam doori parr hain, i.ee., ee kinare dwara diyaa jaataa haye
isaliye, bull koo jett kii shanku-seema key iss ardh-konn kaa upayog karke vaikalpik roop seey vyakt kiya jaa sakata haye,
vyavhaar koo seemit karna.
jaba bull badaa hoe jaataa haye, tou jett kaa ardh-konn chhota hoe jaataa haye, jiss sthiti mein,
aur jett key ander aur baahar samadhan bunn jaataa haye
iss seemit mamle mein jett koo schlitching jett kahaa jaataa haye. doosari or, jaba bull chhota hotaa haye,
ardh-konn 90 degree taka pahunchata haye (koee ander aur baahar kaa kshetra naheen, poore kshetra koo ekal kshetra maanaa jaataa haye), samadhan swayam jaataa haye

