Cubesat design series: thermal analysis and design for space

A significant cause of mission risk – and often the hardest to fix late in the design cycle – is poor thermal design. In fact, thermal issues are the most common cause of cubesat failures.

With cubesats generating growing interest among students and startups alike, understanding how to properly structure thermal analysis and get thermal design right the first time has become increasingly important.

In this webinar series, we revisit the fundamentals of thermal design and analysis with a focus on workflows for cubesats and space applications using Simcenter 3D Space Systems Thermal.

Webinar #1 | Basics of thermal analysis for space

A well-structured workflow is the foundation of successful cubesat thermal design, and it is key to ensuring mission performance and reliability.

This session covers:

  • Overview of thermal analysis for cubesats
  • Conductive heat exchanges
  • Radiative heat exchanges
  • Space thermal environment
  • Solving a thermal problem

You’ll learn:

  • How to define clear thermal objectives
  • How to identify and apply correct boundary conditions
  • When to transition from setup to detailed analysis
  • Common pitfalls and how to avoid them

Webinar #2 | Thermal control validation and verification

Take a guided tour of the thermal control validation and verification (V&V) workflow for cubesats, from early design decisions to testing and analysis.

This session covers:

  • Driving parameters for thermal design
  • Design options for conduction
  • Design options for radiation
  • Mission definition
  • Thermal testing
  • Thermal design process

You’ll learn:

  • How to approach thermal control validation and verification for cubesat missions
  • What design changes you can make to control temperatures passively and actively
  • Why, when, and what to test as you design
  • Which thermal analyses to run at each stage

Webinar #3 | Thermal analysis demo using Simcenter 3D Space Systems Thermal

This demo session offers a clear, step-by-step walkthrough of how to set up a cubesat thermal analysis from start to finish in Simcenter 3D Space Systems Thermal.

You’ll learn how to:

  • Mesh CAD geometry and apply material properties
  • Define and apply boundary conditions to take into account conduction and radiation

Webinar #4 | Heater sizing using primitives in Simcenter 3D Space Systems Thermal

Are you accustomed to primitive-based workflows in other thermal tools? This session delivers practical approaches to thermal analysis that bridge the gap from other space thermal software.

In this session, you’ll learn:

  • How to set up a cubesat thermal analysis using primitive geometry in Simcenter 3D Space Systems Thermal
  • How to perform heater sizing for cubesat thermal control using a primitive-based workflow
  • How to structure a preliminary thermal model suitable for early design phases

Ready to discover what Simcenter 3D Space Systems Thermal can do for your cubesat thermal analysis and design?

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