Hi,
Can anyone please tell me the numerical schemes used in generalized alpha scheme?
Thanks
Vivek
Hi all, Does COMSOL use pressure poisson equation to get pressure profile? Thanks vivek
31 December 2015 7,646 1 View
Hi all, I want to connect matlab with COMSOL to collect data. Where i want to put a command in MATLAB and according to that command value of that parameter from the subdomain will be collected in...
11 December 2015 8,249 1 View
Hi, Is it possible to solve dimensionless equations in COMSOL? How to do that? So, all post processing results will be in dimensionless form? I need some expert comment. Please someone...
11 December 2015 8,065 15 View
Hi, I am using COMSOL software. I am having some problem understanding different parameters while using PARDISO linear system solver. What is pivoting perturbation? and why preordering algorithm...
11 December 2015 9,553 0 View
Hi all, This is going to be a purely chemical engineering thing. We know that in ideal reactor, space time (Holding time) is the tideal=Volume of reactor/Volumetric flow rate. But real reactor...
06 July 2015 1,413 21 View
Hi , This is in relation to the effect of under relaxation factor on solution convergence.I have learned that if relaxation factors are reduced, then it takes huge time to reach the...
06 July 2015 9,948 7 View
Hi, I have a question on turbulence. Turbulence causes the formation of eddies of many different length scales. Most of the kinetic energy of the turbulent motion is contained in the large-scale...
06 July 2015 5,973 69 View
Hi all, We all have regularly heard of the terms like viscous force and the inertial force. Now the viscous forces are the forces due to to the friction between the the layers of any real fluid....
06 July 2015 3,076 22 View
Hi all, I was meshing a stirred tank reactor using fluent. In the mesh statistics, it is showing that number of mesh elements are 434200 and nodes are 134420. Is it possible that nodes are so low...
04 May 2015 3,800 8 View
Is there any good book for finite element methods for beginners? Which employs a lot of examples on 3D PDE: BVP problems.
04 May 2015 5,512 3 View
I’m trying to reproduce the acousto-optic coupling simulation in the paper Frequency–angular resolving LiDAR using chip-scale acousto-optic beam steering. LNOI(lithium niobate on insulator) is...
13 August 2024 9,795 0 View
If we map as a continuous motion an ionising electron (beginning its journey at n=1) in an H atom, a specific hyperbolic spiral appears (see animation). When we solve this spiral formula, we find...
07 August 2024 5,343 2 View
Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...
07 August 2024 1,937 1 View
Dear all, I am working on particle deposition in human's & rat's respiratory airways using CFD and I am looking for the 3D CAD file for my simulations (STEP or IGES format). If somone has such...
29 July 2024 1,092 2 View
Consider the case of negligible gravity but there is an accelerating reference frame. Its origin traces out a trajectory, or world line, seen in some inertial reference frame. The Lorentz metric...
24 July 2024 1,608 15 View
Hi there, I'm new to modelling with comsol. I would like to ask if it is possible for comsol to output linearly polarized (LP) modes? I tried modelling a simple single mode fiber with an enlarged...
23 July 2024 4,019 3 View
Dear Researchers, My question is associated with the "MDCI" method in Orca. Please let me clarify my question using a simple example: Suppose we are going to perform CBS extrapolation using "!...
21 July 2024 1,632 0 View
Undefined variable. - Variable: comp1.cNa - Géométrie: geom1 - Domaine: 1 Failed to evaluate expression. - Expression: comp1.cNa - Affichage: Graphique sur ligne 1
19 July 2024 1,938 2 View
Hi, everyone This figure depicts a simulation of an electrostatic energy harvesting system in COMSOL Multiphysics software. My question is regarding the relationship between the changes in...
19 July 2024 4,694 4 View
im studing gaussian 16 with reading paper about I-131 Metaiodobenzylguanidine in the paper "In a similar vein, nuclear magnetic resonance shielding values were investigated using the widely...
16 July 2024 6,040 4 View