RockSim Program Guide - UFPR

[Pages:80]RockSim Program Guide

? Copyright 1997-2003 Paul L. Fossey - PKF Systems

RockSim Program Guide

A guide to all features and functions.

by Paul L. Fossey

This guide provides an overview of the RockSim program suite. In large part, this document contains the same information as the on-line help files shipped with RockSim. Several sections have been added to extend on the brief information in the on-line help files.

RockSim Program Guide

? Copyright 1997-2003 by Paul L. Fossey - PKF Systems All rights reserved. No parts of this work may be reproduced in any form or by any means - graphic, electronic, or mechanical, including photocopying, recording, taping, or information storage and retrieval systems - without the written permission of the publisher. Products that are referred to in this document may be either trademarks and/or registered trademarks of the respective owners. The publisher and the author make no claim to these trademarks. While every precaution has been taken in the preparation of this document, the publisher and the author assume no responsibility for errors or omissions, or for damages resulting from the use of information contained in this document or from the use of programs and source code that may accompany it. In no event shall the publisher and the author be liable for any loss of profit or any other commercial damage caused or alleged to have been caused directly or indirectly by this document.

Special thanks to: All the people who contributed to this document, to my wife Kathy, and to my children, for allowing me to work on what I love, to Tim Van Milligan of Apogee Components for his continued support over the years, to the graphic artist (Shrox) who created this great product logo on the cover page.

Contents

I

Table of Contents

Foreword

0

Part I Introduction

4

1 Overview ................................................................................................................................... 4

Part II Getting started

4

1 The presen..t.a..t.i.o..n....s..c..r.e..e..n..s........................................................................................................... 4 2 Main scree.n.................................................................................................................................. 5

Main screen overvie.w..... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... .................. 5 Rocket design attrib.u...t.e. .s..... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... .................. 6 Rocket design comp..o..n..e...n..t.s...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... .................. 7 Flight simulations ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... .................. 8 Mass Override ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... .................. 9 View screen overvi.e. .w..... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 10 Menu functions .. ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 10

File menu . ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 10 Export menu op.t..io...n. ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 11 Edit menu . ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 11 View menu . ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 12 Rocket menu . ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 12 Simulation men.u...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 12 Help menu . ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 13

3 View scre..e.n................................................................................................................................ 14

2D View Screen .. ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 14 3D View Screen .. ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 15 3D Camera control.. ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 15

Part III Application wide settings

17

1 Applicatio..n....s.e...t.t.i.n..g..s...o..v..e..r.v..i.e..w................................................................................................... 17

2 Settings o...p..t.i.o..n..s........................................................................................................................ 17

Simulation Units 2D Drawing 3D Rendering Reports

.. ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 17 .. ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 19 .. ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 20 .. ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 22 .. ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 22

Part IV Designing rockets

23

1 Rocket De..s..i.g..n...e.r...S..c..r.e..e..n............................................................................................................ 23 2 Compone.n..t...s..c..r.e..e..n..s.................................................................................................................. 23 3 Construct..i.o..n...a..n..d....F..i.n..i.s..h........................................................................................................... 24 4 Radial po.s..i.t.i.o..n........................................................................................................................... 24 5 Nose con.e.................................................................................................................................. 25 6 Body tube................................................................................................................................... 26 7 Inside tub..e................................................................................................................................. 27

Copyright ? 1998-2002 Paul L. Fossey

II

RockSim 7.0

8 Transition................................................................................................................................... 28 9 Simple fin...s..e..t............................................................................................................................ 30 10 Complex .f.i.n....s.e...t........................................................................................................................ 31 11 Free form...f.i.n...p..l.a..n..n..e..r................................................................................................................ 33 12 Graph pa.p..e..r..s..t.y..l.e...................................................................................................................... 34 13 Tube fin s..e..t............................................................................................................................... 35 14 Ring tail ................................................................................................................................... 35 15 Bulkhead................................................................................................................................... 36 16 Centering...r.i.n..g............................................................................................................................ 36 17 Sleeve ................................................................................................................................... 37 18 Tube cou.p..l.e..r............................................................................................................................. 38 19 Engine bl.o..c..k.............................................................................................................................. 39 20 Launch lu..g................................................................................................................................. 40 21 Subassem...b..l.y............................................................................................................................. 40 22 Streamer ................................................................................................................................... 41 23 Parachute................................................................................................................................... 42 24 Mass obje..c..t............................................................................................................................... 43 25 Cluster w.i.z..a.r..d............................................................................................................................ 44 26 Drawing ................................................................................................................................... 45 27 Database..u..p..d..a..t.e...s..c..r.e..e..n............................................................................................................ 46 28 Drag anal.y..s..i.s............................................................................................................................. 47 29 Stability a..n..a..l.y..s..i.s....................................................................................................................... 47

Part V Simulations

48

1 Simulatio.n....p..r.e..p..a..r.a..t.i.o..n.............................................................................................................. 48

Simulation overvie.w. ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 48 Engine selection .. ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 49 Recovery device s.e.t..u..p.. ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 49 Simulation controls.. ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 50 Launch conditions.. ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 51 Competition settin.g.s...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 53 Engine Selection L.i.s..t.... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 54

2 Simulatio.n....g..r.a..p..h..s..................................................................................................................... 54

Graph selection sc.r.e..e..n.. ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 54

3 Flight pro..f.i.l.e.............................................................................................................................. 55

2D Flight profile .. ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 55

4 Optimal m...a..s.s....p..r.e..d..i.c..t.i.o..n........................................................................................................... 56

Optimal mass pred.i.c..t.i.o..n...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... .... 56

5 Exporting...d..a..t.a........................................................................................................................... 57

Exporting data .. ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 57

Part VI Database files

58

1 Materials ..d..a.t.a..b...a.s..e..................................................................................................................... 58

Copyright ? 1998-2002 Paul L. Fossey

Contents

III

2 Rocket co..m...p..o..n..e..n..t...d..a..t.a...f.i.l.e..s.................................................................................................... 59

Part VII Printing

59

1 Printing o..p..t.i.o..n..s......................................................................................................................... 59

Part VIII Appendices

60

1 Simulatio.n....d..a.t..a......................................................................................................................... 60 2 Simulatio.n....a.t.m....o..s..p..h..e..r.e...m...o..d..e..l................................................................................................. 63

3 Nose con.e...a..n..d....t.r.a..n..s..i.t.i.o..n....m..a..t.h...e..m..a...t.i.c..s................................................................................... 64 4 Static sta.b..i.l.i.t.y...c..a..l.c..u..l.a..t.i.o..n..s....................................................................................................... 65

5 Reference..s................................................................................................................................. 65 6 Command....li.n..e....o..p..e..r.a..t.i.o..n........................................................................................................... 66

7 File forma..t.s................................................................................................................................ 67

RockSim XML form..a..t.... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 67 General description.. ..o..f..t.h..e...d..a...t.a..b..a..s..e...f.i.l.e..s... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 68 Nose cone databas..e...f.i.l.e...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 68 Transition databas.e. ..f.i.l.e. ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 69 Simple fin set .. ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ................ 70 Free form fin set .. ...... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... ...... ....... ...... ...... ...... .... 70

Index

73

Copyright ? 1998-2002 Paul L. Fossey

4

RockSim 7.0

1 Introduction

1.1 Overview

The RockSim application is a model rocket design and flight simulation system. RockSim can help you to visualize your rocket designs and then simulate their flights with various engines and launch conditions. Please bear in mind that the results you obtain with RockSim are only a simulation. Just because the simulation results indicate a stable rocket and a safe flight, there is no guarantee that the actual rocket will behave in a safe manner. You should always follow NAR safety guidelines when launching real rockets.

2 Getting started

2.1 The presentation screens

The RockSim main screen is shown below. You can click anywhere on this image to jump to the related help topics.

Copyright ? 1998-2002 Paul L. Fossey

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