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This method can be seen on of Ernst, Gainey, Jusuf, and Li (2016) and on Pages 9-10 of Azar, Elacqua, Peñaranda, and Stone (2016). One option (shown in Figure 5.4) is to use a cut point to extract data at a specific point at a single time (often the final time point) and plot that value vs number of mesh elements. Mesh convergence data can be presented and analyzed using a variety of plots and techniques.
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Note that the video only demonstrates plotting Temperature vs Time for different meshes.
#Comsol 5.3 tutorials how to
The video below demonstrates how to use a parametric sweep to perform a mesh convergence. Carroll, Connolly, Hearn, Kaitlin, and Imran (2017) 5.3 Reducing discretization error: mesh convergence Video tutorial To validate their model, they compare a 2D contour map of calculated mass fractions to an experimental photograph of the dissolving tablet.
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For example, Carroll, Connolly, Hearn, and Imran (2017) model the physical degradation of a tablet, yielding data about the density (mass fraction) across the entire tablet. If your model generates data that isn’t numerical or you reference non numerical experimental data, there are other options. While COMSOL’s graphing interface is ideal for comparing numerical results, in some situations your results may not be easy to compare with graphs. The video below demonstrates how to import reference data into COMSOL to compare with your calculated values.įor an example of implementing and presenting an experimental data comparison as shown in the video, see pages 19-21 of Eagle, Wadsworth, Wnorowski (2015). 4 5.5 Objective functions: simple optimizationĥ.2 Estimating error: validation of the model Video tutorial.3.3 Sensitivity analysis with multiple parameters.3 5.4 Estimating uncertainty and relating to design: performing sensitivity analysis.2 5.3 Reducing discretization error: mesh convergence.1 5.2 Estimating error: validation of the model.