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An integrated engineering process for space systems development

Advancements in system verification concern both advancements in test and simulation technologies, methods and practices. It is this combined progress in both areas that will be essential to cope with the challenges of system verification on ever more complex structures. This application note will highlights three areas:
  • The virtual engineering process, where our LMS Virtual.Lab solution allows for the integrated multiattribute analysis of a spacecraft system. This in turn increases analysis accuracy (more physics can be incorporated and optimized) and increases productivity (a single seamless analysis environment.)
  • The hybrid engineering process, where we show our LMS Virtual.Lab Assembly and Noise and vibration system synthesis capabilities for combining test and simulation models to produce a coupled simulation response.
  • Optimization, where we show our LMS Virtual.Lab Optimization solution, which allows for the target
    setting and optimization of key parameters for optimal performance design.
Challenges of space system engineering

integrated engineering process space systems development 1Space systems present engineers with the particular difficult task of developing complex systems that withstand severe environments far away from Earth, while at the same time having sensitive instruments onboard to achieve their mission. Space systems also need to be light weight & reliable to be cost effective. System verification is broadly concerned with the validation of a product’s performance characteristics against set requirements. Space development has historically relied mostly on test methods. With advancement in simulation technology, there is the opportunity to more and more incorporate simulation for system, subsystem, and component verification, but also, to better perform verification tests and use of testing, which in turn pushes forward new requirements for testing.

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The virtual engineering process

The integrated environment of LMS Virtual.Lab allows for the simulation of a set of physics that affect the behaviour of space systems. In this paper we describe the integrated multi-attribute analysis environment of LMS Virtual. Lab and explore the following attributes: multi-bodies analysis, model set-up (meshing, material properties), random vibro-acoustic analysis, random stress response, and random fatigue analysis. These attributes are then balanced to produce the optimized design using Virtual. Lab Optimization.

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