Hyperbolic,parabolic and elliptical form of partial differential equations

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How to find out that particular partial differential equation is in the form of hyperbola,ellipse and parabola
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In computational aerodynamics, this is very important. Subsonic, transonic, and supersonic flow fields, are often described by these three types of PDEs

ricksanchez
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1_What are the properties of a particular partial DE in reality that made it parabolic, hyperbolic or elliptical ?
2_What are the applications of partial differentiation in real life?
Thanks& regards

inusarabiuisah
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Let xy/2 uxx - 4(x+y+1) uxy + xy/2 uyy =0 . In which region should y lie so that the pde Hyperbolic:
Option a) y> max (-1, -(1+x/1-x))
Option b) -(1+x/1-x))<y<-1
Option c)y>-1, x>-1
Option d) y=x+1 and x belongs to [-7/4, 11/4]


Mam please tell how to solve it

Guru-kvdf
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Which Ganesh Institute is this? Is this what we also know as GIE, the Ganesh Institute of Engineering which is situated in Chennai? Is it the same institute or some different one? Can someone please answer me and let me know? Thanks

ae
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Thank you so much, love your explanation 👏

taiwoayosilemoyinoluwa
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what happens if this equation is 4th order partial differential

vijaykumar-jgmz
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Thnx less time consuming better concept understanding

shivatribe
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Mam can we check it for first order partial differential equation...?

muhammadakash
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Can you prove below first order pde as hyperbolic ?
ut+ux=0

tusharjadhav
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Which is the camera you used. It is of good quality. If you suggest it, I can use such a camera for recording video class
Prof. Chandrasekhar
Thiruvananthapuram

ganeshn
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Thank you very much for this helpful lecture.

AJ-etvf
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Thanks for helping us Love you 💋💞😘❣️🥰😍

alicejohn
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mam if you gives the examples of parabola hyperbola and elliptic seprately then it would be very helpfull for us

awaisqureshi
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mam with ur hlp me and frnds had submitted the assignment thank you so much it is really useful for us

anitrabisha
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Thanks a lot maa'm
For helping me

lalitcarpenter
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please send problems link or vedeo or pdf maam

shantan.pkumar
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Question adhura hai mam x define kijiye kanha se kanha tk hi

merajalam
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Where's for first order and with time coordinate

shubhamkumarsingh
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partial u partial t + partial u(u^ 2 +v^ 2 ) partial x =0,

partial v partial t + partial v(u^ 2 +v^ 2 ) partial x =0.

Classify this system. Is it hyperbolic, parabolic, or elliptic?
Ma'am help me with tis

tusharsolanki