La Bibliothèque d'Applications présente des modèles construits avec COMSOL Multiphysics pour la simulation d'une grande variété d'applications, dans les domaines de l'électromagnétisme, de la mécanique des solides, de la mécanique des fluides et de la chimie. Vous pouvez télécharger ces modèles résolus avec leur documentation détaillée, comprenant les instructions de construction pas-à-pas, et vous en servir comme point de départ de votre travail de simulation. Utilisez l'outil de recherche rapide pour trouver les modèles et applications correspondant à votre domaine d'intérêt. Notez que de nombreux exemples présentés ici sont également accessibles via la Bibliothèques d'Applications intégrée au logiciel COMSOL Multiphysics® et disponible à partir du menu Fichier.
This model compares the solution to the model equations of a tubular reactor using Danckwerts inlet and outlet conditions. A second almost identical model is defined with extra inlet and outlet sections where no reactions occur. The concentration at the beginning of the inlet section is ... En savoir plus
Free-surface calculations in the predefined flow interfaces are currently limited to time-dependent studies when using the built-in boundary conditions. Here, a stationary formulation following Romero et al. [1] is implemented using equation contributions. The attached slides describe ... En savoir plus
Thermally induced transformations in solids may be modeled by using an Arrhenius law to express the dependence on temperature of the transformation rate. This tutorial model shows how to use the Irreversible Transformation subfeature, available under the Solid feature of the Heat ... En savoir plus
This example shows how to model isotropic volumetric growth and atrophy of soft biological tissues. The artery is represented by a cylinder that is stretched and compressed due to an applied axial load. As a result, the tissue undergoes growth and atrophy. En savoir plus
Learn how to combine imported CAD with STL meshes in COMSOL Multiphysics using an example of a dental implant. The STL mesh is prepared in a Mesh Part, the imported CAD assembly is prepared in the Geometry sequence, and the two are combined in a Mesh-Based Geometry sequence. Watch this ... En savoir plus
This example exemplifies how you can export the data from your mesh and results to a text file. A more detailed description of the phenomenon and the modeling process can be seen in the blog post "Exporting Meshes and Solutions Using the Application Builder". En savoir plus
An interesting question was raised in the 1950s by the mathematician Ernst Straus that, in an arbitrarily shaped empty room with side walls made of perfect mirrors, will a point light source always illuminate the whole room? This question was answered by the Nobel Prize-winning ... En savoir plus
This application generates both random and deterministic microstructures from imported CAD models or predefined primitive objects. Structures can be created using Gaussian random fields, random particles, periodic geometries such as gyroids and other TPMS structures, or combinations ... En savoir plus
The model used is the P2D model also called the Newman model. Parameter estimation is run using experimental data of driving cycles from healthy cells. The parameter values are determined for a confidence of 0.95 for each parameter. Parameter estimation is then run using data from ... En savoir plus
Learn how to repair, edit and combine imported surface meshes in COMSOL Multiphysics. This model demonstrates how to cut out a part of the upper jaw, remove elements from the mesh, and combine the meshes of the teeth and bone. Watch this video on editing, repairing, and combining ... En savoir plus
