athokk / forrocket

6-DoF Rocket Flight Simulator

ForRocket - 6DoF rocket trajectory solver

Feature

• Calculate 6 degree-of-freedom rocket trajectory.
• Liquid, Solid and Hybrid ... no fixed type of rocket engine.
• Configurable sequence of event. Cutoff, Separation, despin, jettson, etc...
• Easy input by json file and easy post-process by csv file.
• User easily extend by using input json and output csv.
• Prvide only trajectory solver. Satisfy extend tool.

Testing Feature

• Attitude control flight
• Multi-stage flight

Getting Started

Installation

$ git clone https://github.com/sus304/ForRocket.git
$ cd ForRocket
$ make release

Sample Execute

$ ForRocket sample_solver_config.json

Input file

• solver_config.json - launch configuration and stages info
• stage_config_list.json - config json file list at stage
  • sequence_of_event.json - SOE configuration at stage
  • rocket_config.json - structure and aerodynamics configuration at stage
  • engine_config.json - engine configuration at stage
  • extra csv file - time vs thrust, mach vs CA, etc...

Library

• boost
• Eigen
• json @nlohman
• Google Test

License

ForRocket is released under the MIT License.

Copyright © 2020- Susumu Tanaka