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Questions related to Comsol Multiphysics
Hello, In the following COMSOL file, I am trying to change the behavior/movement of particles near the wall by using various numbers and variables for reflected particle velocity (vp) (In both...
12 March 2022 3,433 1 View
maybe paper or books it doest matter. example which parameters we can determine from well logs and how ? in front of sand or shale how does it effect. Thanks in advance
12 March 2022 4,706 6 View
What is the relationship between circularity, cylindricity and roughness of drilled holes and how to control the roughness of holes?
09 March 2022 7,966 2 View
I need to input multiple input through waveguide designed in comsol. I can design a single input of wavelength. How can I input a multiplexed input?
08 March 2022 6,940 1 View
I am interested in solving the dimensionless equations for a bubble motion in COMSOL Multiphysics. But do not how to enter the dimensionless equations for density, viscosity, Reynolds number,...
07 March 2022 2,089 2 View
Hi guys, As my question described, I can see my protein in a gel and I also verified my protein thru mass spec. But when I was working on the cryo-EM, I cannot see its structure, I can only see a...
07 March 2022 2,420 1 View
In surface mining, dewatering drilling is important to decrease the pressure on the slope. I need to run the model to see the effectiveness of the dewatering drilling plans. In MODFLOW, what kind...
05 March 2022 8,228 0 View
I want to obtain the electric field lines to describe the electric field distribution in python/matlab for further claculation.
05 March 2022 5,892 3 View
Hello, I am using the heat transfer in solids physics to address my research problem. Previously I used to keep constant boundary temperature, as given in figure 1. Now, I have to define the...
04 March 2022 353 3 View
As shown in the figure, I have a design with rings of a parabolic reflector, each segment with a different thickness. To do this, I created a parabola in one work plane, a circle (guide curve) in...
02 March 2022 4,270 1 View
I am willing to cfd analysis in the vicinity of submerged structure.
02 March 2022 8,522 9 View
Hi, I'm trying to model a gold particle which is shined by a 808nm, 20mW laser. I'm using the RF module - electromagnetic wave, frequency domain to do the simulation. I have set up the wavelength,...
01 March 2022 2,991 2 View
Hello, How can I find the definable parameters or variables for particle velocity in general reflection model of wall condition in particle tracing physics in COMSOL Multiphysics?
27 February 2022 8,045 7 View
Hello, I want to know how can I add the equations of the attached file in COMSOL ? ( How to add an epsilon coefficient or …) I want to use them for collision model of particles to the...
23 February 2022 2,342 11 View
Hi all, I wanted to know how to create a voxel mesh for a 3d model and import the voxel mesh into COMSOL. Thank you all.
23 February 2022 4,973 1 View
Hi, I am planning to simulate nanosecond pulsed laser heating/ ablation on metal. Comsol or Lumerical, which would be the best for this simulation? Also, I would appreciate if anyone can suggest...
22 February 2022 8,047 4 View
The dimensions of ETC are - 1800mm length, 47mm inner diameter and 58mm outer diameter. Usually the literature survey reports the formula for calculating the collector area as 2DL. Can anybody...
22 February 2022 777 2 View
Hi everyone, I’m facing some issues regarding the implementation of an external material routine in COMSOL. The aim is to provide a general stress-deformation routine for an elastic-ideal plastic...
20 February 2022 4,309 0 View
What is negative dispersion, and how it can be estimated when light is propagated through the fiber? is there any formula ?
17 February 2022 4,177 5 View
Hello, I'm currently working on modelling multiphase flow with phase field, I'm using the PDE toolbox to simulate the phase field equation. As described in this article:...
10 February 2022 4,003 3 View
Stir casting setup for composite material
09 February 2022 2,647 1 View
Generally, the fate of the Contaminant can be analysed by Advective - Dispersion Equation (ADE). Smooth Particle Hydrodynamics (SPH) which is a meshless method based on Navier - Stokes equation is...
04 February 2022 6,767 0 View
Thanks in advance for valuable information.
03 February 2022 624 3 View
Hello all, I want to know how can I add a new equation in COMSOL Multiphysics in order to throw back the nanoparticles which are stuck to the blood vessel wall while using a magnetic filed. I...
31 January 2022 5,508 8 View