Recent content by akshayvohra

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    Graduate How to Resolve Singular Matrix Error in COMSOL Transient Solver?

    Hi All, I am trying to solve a problem where the solutions are expected to be zero for a very long time. I have refined the mesh with the maximum element size of 0.002 and am using the GMRES method with preconditioning quality of 0.01. However, inspite of it, the system is unable to...
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    Solving Radiation Heat Transfer in Femlab 3.1

    Hi All, I am trying to solve a problem where the solutions are expected to be zero for a very long time. I have refined the mesh with the maximum element size of 0.002 and am using the GMRES method with preconditioning quality of 0.01. However, inspite of it, the system is unable to...
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    Comsol Multiphysics: Electric Double Layer Modeling

    Hi All, I am trying to solve a problem where the solutions are expected to be zero for a very long time. I have refined the mesh with the maximum element size of 0.002 and am using the GMRES method with preconditioning quality of 0.01. However, inspite of it, the system is unable to...
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    Convergence Issues in COMSOL Modelling of a Laboratory Burner: Seeking Help

    Hi All, I am trying to solve a problem where the solutions are expected to be zero for a very long time. I have refined the mesh with the maximum element size of 0.002 and am using the GMRES method with preconditioning quality of 0.01. However, inspite of it, the system is unable to...