Skip to main content
A
amedy?ski1-Visitor
1-Visitor
January 18, 2016
Question

help with space shuttle dynamics, differential equation

  • January 18, 2016
  • 3 replies
  • 5296 views

i need help with differential equation. so far i have something like this(mathcad file) a have to do something like this(screenshoot). i wolud appreciate any help.

3 replies

L
LucMeekes23-Emerald IV
23-Emerald IV
January 18, 2016

From your info I cannot determine which differential equation you want/need to solve. Your Prime sheet contains errors: it fails to define v(t).

You need to describe your problem accurately and concisely.

For more info on space travel modelling have a look here: Two stage rocket.

Success!
Luc

A
amedy?ski1-VisitorAuthor
1-Visitor
January 20, 2016

Yes I know becouse almost at the and i need to define v(t) as a diff h(t) and i dont know how to do it. and also my problem is that i can't (dont know how) write differential equation in mathcad. Everything that is in screenshoot or maple sheet I need to do in mathcad . If you know how to solve my problem it would be very helpfull.

Best regards,

AM

L
LucMeekes23-Emerald IV
23-Emerald IV
January 20, 2016

Example:

Like Mathcad 11:

V
24-Ruby IV
ValeryOchkov24-Ruby IV
24-Ruby IV
January 19, 2016

See please one animation

Case 16: Satellite landing

and welcome Celestial mechanics with Mathcad (Небесная механика с Mathcad)

and send please the Maple-sheet

    A
    amedy?ski1-VisitorAuthor
    1-Visitor
    January 19, 2016

    Dear Professor,

    I tried to send a message to You but i can't and don't know why. Would really appreciate Your help. If You need some additional information please send a message to me.

    Best regards,
    AM

    A
    amedy?ski1-VisitorAuthor
    1-Visitor
    January 19, 2016

    ok I'll check this. im sending the maple sheet as You asked. If You know how to do it I would be very thankfull with any help.

    A
    AlanStevens19-Tanzanite
    19-Tanzanite
    January 21, 2016

    Attached is a Mathcad15 version (without comments).

    shuttle1.PNG

    shuttle2.PNG

    shuttle3.PNG

    These graphs look a little different from those in your .png file, but the transition times there are different from those given in the Maple file.

    Alan

    A
    amedy?ski1-VisitorAuthor
    1-Visitor
    January 23, 2016

    thank You very much. Im very thankfull. but I have a few questions.
    can I put everything the same as this in mathcad prime and will it work ?
    what should I do to get the same graphs ?

    and what about the last part where we define vt and what about a acceleration graph ?

    Best regards.

    Terms & ConditionsCookie settingsAccessibility statement