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combine solutions (stitch solutions)

The below post is related to an archived discussionCombine solutions / stitch solutions / join solutionshttps://www.comsol.com/blogs/how-to-manage-multiple-solutions-in-comsol-multiphysics/

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Modeling heat transfer and fluid flow in a greenhouse using evaporative...

I am currently on a capstone project in which we are designing a greenhouse specifically for Hawaiian or tropcial climates. We currently have a proposed design but I am having trouble modeling it...

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2D model of a Phosphoric Acid Fuel Cell

I'm trying to make a 2D model of a Phosphoric Acid Fuel Cell. For the physics part I'm using electroanalysis by adding cyclic voltammetry for the study. I've used the same parameters as the one in...

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how to couple two different physics

Hello.I'm trying to simulate and get result about how EHD Inks are changed by electric currents. I already downloaded example(inkjet.mph) from this...

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Long setup time before initial time step for study for model with large...

I have a model with over 2400 probes, and it takes about 4 hours before it starts taking the initial time step for the study. I created a simpler model with varying number of probes and logged the time...

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Novel Solar Concentration System

Hello EveryoneI'm doing my thesis paper , the title of my thesis is optimization of novel solar concentration system . I'm a new user for comsol , and actually I need a strong support for working on...

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Problems of Integration of magnetic field and electric field computation in...

Hi there,There are two problems that we can not address when simulations. Could anyone please help check and figure ways out?Question #1: How to integrate electric and magnetic field computation in...

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Creating an Air Geometry inside a structure

Hi! I'd like to model air between the comb fingers of my structure. So far I have tried making a sphere, assigning it the property of air, and then placing my structure inside it, and then use the...

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Trying to build Trimorph

Hello,I am trying to buuild trimorph but in bimorpph it is not giving me any solution. As i am new to comsol so kind of stuck in this situation. All i just to want to calculate the resonance frequency...

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Buckling Analysis of Composite Plate

Hello everyone,I have been tried unixal buckling analyisis of composite plate( for comparasion of Ansys results). But I guess failed some reason about boundary conditions, every time. In my scneraio,...

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Modeling Forest Fire

Is there anyway I could model forest fire by using radiation heat and producing a layer of hydrophobic ash in comsol multiphysics 5.4?I have modeled the heat transfer through porous media and...

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Modeling Shape Memory Effect

Dear Comsolers,I am analyzing the bending of a shape memory alloy beam. For modeling the shape memory effect I am using the SME physic from COMSOL 5.3a ( the Lagoudas model). First a moment is applied...

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Scatterer on Substrate

Hi,In the scatter on substrate example application (https://www.comsol.com/model/scatterer-on-substrate-14699), two ewfd physics are used, one for calculating the background field, followed by another...

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Sessile droplet coalescence in Comsol 5.2 with level set method

In my simulation of sessile droplet coalescence with two phase level set method, from the beginning, one drop start coalescence with other drop, no matter how far the drop is placed from other one. It...

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Non-linear load

Hi everyone, I'm new in software Comsol and I would like to know if is possible to make a non-linear load in this software? And how can I do it? Thank everyone!

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Destruction modelling

Hello! I simulate an explosion in a steel barrel (Using solid mechanics physics and force per unit volume in all axes for explosion).How can I get information about the fact of the destruction of the...

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piezoelectric energy harvester

hello all, I am planning to simulate the below figure. I am applying force on one plate, so it will deflect downwards and strikes second one. But when I simulate the figure in comsol , it doesn't shows...

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Unable to see Moving interface in mathematics module

Hello guys,I want to use level set method in moving interface included in mathematics module and after talking to a technical support they also confirmed that level set is included in my license. But...

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stress boundary conditions in pde

Dear All,How to apply stress boundary condition in a 2D gerneral pde model?Thanks

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How to Apply Convection Boundary Condition for Concentrations in Transport of...

Hello,I am trying to apply a diffusive boundary layer as my upper bounary condition in my reaction transport model. My upper boundary should include an external concentration and a gradient.The closest...

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