Heating Rod – Multibody, Multi-Domain Physical Model in MapleSim – Maplesoft

Heating Rod

This application illustrates the use of MapleSim's thermal components for developing a model of a heated iron rod. The rod is heated by a heat source at the left end, while the right end is open to the atmosphere with forced heat convection.

Two thermal models of the rod have been created: the first model, Segmented block, represents the rod as a set of 20 segments connected in series, each of which has 1/20-th of the overall thermal mass, heat conductance, and heat convection.  The temperature of every fifth element is recorded and plotted. 

The second model called Lumped block, has all the thermal properties lumped into a single thermal mass, single heat convection, and two equally divided heat conductances.


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Model: Heating Rod

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Model Images
  • HeatingRod The simulation results show the temperature of the center of the rod.
  • heatingrod Model view of heating rod modeled as a lumped thermal mass and as a rod discretized into segments.
  • subsystem Subsystem view of discretized rod
  • plots Results show the temperature of the heating rod modeled as a lumped rod as well as the temperatures at the different segments of the discretized model.