How to Input a Time-Dependent Function in COMSOL for Heat Flow Simulation?

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SUMMARY

This discussion focuses on modeling a transient thermal analysis in COMSOL Multiphysics, specifically for simulating heat flow through plasterboard subjected to a short-duration Dirac pulse. Users are advised to utilize the transient analysis feature within COMSOL and explore the software's tutorials for guidance on inputting time-dependent functions. The importance of engaging with the COMSOL Community Discussion Forum for quicker responses is also highlighted.

PREREQUISITES
  • Familiarity with COMSOL Multiphysics interface
  • Understanding of transient thermal analysis concepts
  • Knowledge of Dirac functions in heat flow simulations
  • Basic skills in defining time-dependent functions within simulation software
NEXT STEPS
  • Explore COMSOL Multiphysics tutorials on transient thermal analysis
  • Learn how to define and input time-dependent functions in COMSOL
  • Research the use of Dirac pulse functions in heat transfer simulations
  • Engage with the COMSOL Community Discussion Forum for additional insights
USEFUL FOR

This discussion is beneficial for engineers, researchers, and students involved in thermal analysis, particularly those using COMSOL Multiphysics for simulating transient heat flow scenarios.

kem08
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Hello,
I wish to model with Comsol a simple situation: a plasterboard undergoes locally with one 3 ms duration a very short flash (Dirac) and I would like to see the evolution during the time of the wave of heat through volume.
The problem it is that I do not know how to enter a function describing during time the flow received by my field.
In which menu of Comsol is necessary it to go?
Help me because it is very important.
Thank you.
 
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It sounds like a relatively simple transient thermal analysis. Are you sure you're using a transient analysis in Comsol? Comsol has several tutorials that deal with this kind of problem...
 
Have you tried asking your question in the COMSOL Community Discussion Forum?
Your question may get answered faster there. http://www.comsol.com/community

kem08 said:
Hello,
I wish to model with Comsol a simple situation: a plasterboard undergoes locally with one 3 ms duration a very short flash (Dirac) and I would like to see the evolution during the time of the wave of heat through volume.
The problem it is that I do not know how to enter a function describing during time the flow received by my field.
In which menu of Comsol is necessary it to go?
Help me because it is very important.
Thank you.
 

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