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Recent content by thylow23

  1. thylow23

    Ascent Trajectory

    I have just started my trajctory course for grad school. This issue would probably be clarified after/during the course. Part of the course... I will be learning how to creat my own propagator and hopefully I'll understand the details behind it.
  2. thylow23

    Ascent Trajectory

    I'm working with POST and currently, the trajectory is very sensitive to the U-Vector/Initial guesses of the control variable. How do I come of with a good approach to determine an initial guess within he ball park of the solution. I hate to make a guess cause I feel like if the solution...
  3. thylow23

    premature closing of FEMAP application opened from Visual Basic 6

    Does anyone know how to open Femap v8.3 from visual basic 6 with out it closing immediately after it is opened? I see a flicker of the application opening and closing when I run the code. The code I used is: Dim femap As femap.model Dim rc As Long Sub Main() Set femap =...
  4. thylow23

    API femap visual basic createobject premature close

    Does anyone know how to open a femap v8.3 application in visual basic 6 without the femap window closing immediately after I open it. I see the femap application open very quickly and it quickly closes. My code is: Dim femap As femap.model Dim rc As Long Sub Main() set...
  5. thylow23

    Ascent Trajectory

    Does anyone know how or the approach on determining the initial pitch rates as good guesses for a trajectory optimization program? Is there another software out there that does this?

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