Troubleshooting Parametric Sweep and Difference Operation in Comsol 5?

  • Thread starter hamza humayun
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In summary, the conversation discusses two issues that the speaker encountered while using Comsol version 5. The first issue involves an error message when trying to change the range of a parametric sweep. The second issue involves a difficulty in selecting a box inside a sphere when using a difference operation. The speaker has found a solution to the second issue.
  • #1
hamza humayun
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Hi

İ recently started working with Comsol and have a few basic queries. İ am using Comsol version 5.

1. İ am trying to use parametric sweep. So i used it once and saved the file. Now when i try to change the range of sweep it is giving me an error : "parameter list gives empty sweep". When i enter the old range, it starts running fine.

2. İ was trying to use difference operation. İ had created a sphere and placed a box inside it. The problem is once inside the sphere i am not able to select the box, only sphere is highlighted. Why is that?
 
  • #3
İ have found the solution, so thanks i have nothing to add to this thread
 

1. What is a parameteric sweep in Comsol?

A parameteric sweep in Comsol is a simulation technique used to study the effect of varying one or multiple parameters on a specific model or system. It involves systematically changing the value of a parameter within a specified range and observing how it affects the overall outcome of the simulation.

2. How is a parameteric sweep performed in Comsol?

To perform a parameteric sweep in Comsol, the user must first define the model and select the parameter(s) to be varied. Then, a parameteric sweep study must be created, where the range and step size of the parameter(s) can be specified. The simulation is then run for each value of the parameter(s), and the results are displayed in a table or graph for comparison.

3. What are the benefits of using a parameteric sweep in Comsol?

A parameteric sweep in Comsol allows for a comprehensive analysis of how changing a parameter affects the model. It can help identify the optimal value for a specific parameter, understand the sensitivity of the model to different parameters, and visualize the relationship between the parameter and the outcome of the simulation.

4. Can a parameteric sweep be used for complex models in Comsol?

Yes, a parameteric sweep can be used for complex models in Comsol. It is a powerful tool that can handle multiple parameters and non-linear relationships between them. It can also be combined with other simulation techniques, such as optimization, to further enhance the analysis of complex models.

5. Are there any limitations to using a parameteric sweep in Comsol?

One limitation of using a parameteric sweep in Comsol is that it can be computationally expensive, especially when dealing with a large number of parameters or a wide range of parameter values. It is important to carefully select the parameters and their ranges to avoid excessive simulation times. Additionally, a parameteric sweep may not be suitable for models with discontinuous or non-monotonic behavior.

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