How can I simulate combustion of biodiesel in COMSOL?

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Is it possible to add a source term to the momentum equation in ANSYS CFX?

I want to add a source term as a body force to the momentum equation in Ansys CFX for modeling the VGs and I don't know how do it !!

21 February 2021 2,971 4 View

Is there any publication about the effect of basketball and volleyball on body height?

Many people believe that some stretching sports with vertical jump such as basketball and volleyball can increase the body height. On the other hand, others do not agree with this argument. The...

02 February 2021 281 6 View

What aspects of communication skill improves significantly regarding to the Autism Spectrum Disorder using PECS?

Children with ASD need a clear and effective way to communicate to reduce frustration and replace challenging or unacceptable behaviours (Beukelman and Mirenda, 1998; Webb, 2000). Augmentative and...

19 January 2021 1,160 3 View

Hi, I have a question about the calculated band structure for 2Dmaterials?

please help me to choose the best source and theoretically calculate band structure for 2Dmaterials( graphene, MoS2,...)? thanks a lot.

12 January 2021 2,748 3 View

How to save data files with .dat format instead of .dat.h5 format in transient simulation by ANSYS Fluent autosave option?

Hello everyone, I am using the ANSYS 2020 R2 version. I am simulating a transient setup, and I set an autosave. but the solver gives me .cas.h5 and .dat.h5 files instead .cas and .dat format....

11 January 2021 3,033 3 View

2) How can online learning be enhanced in the context of Covid-19 disease?

Although online education is a good alternative to the face-to-face education system in critical situations such as the current situation, but due to the sudden occurrence and rapid spread of the...

11 January 2021 3,734 4 View

Is it possible to introduce a 2D axis-symmetric model in COMSOL Multiphysics to solve electromagnetic waves?

Hello dear researchers. I want to solve a cylindrical waveguide, lick an ordinary standard optical fiber. I am familiar enough with the 2D-axis-symmetric model, but as I knew from the equations...

11 January 2021 6,663 6 View

How to select negative values in row?(at least two negative values & more together) in Rstudio?

hello my dear friends i have a time series includes 324 month (SPI values) i wanted to extract and select them like this picture in R studio, i don't have any idea which package or command to use...

20 November 2020 916 4 View

Effect of anesthetics drugs on coronavirus patients?

What is the reason for the ineffective or insignificant effect of Neuromuscular relaxants such as Atracurium and anesthetics such as Ketamine on patients with Coronavirus hospitalized in the...

22 September 2020 5,734 4 View

Plz Recommend a Residential Energy Consumption Dateset?

Dear All, For my research about data mining in building energy, I need residential energy consumption' but with these requirements: -appliance level (like refrigerator..) -at least 40 valid...

04 September 2020 1,404 2 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Is there any tutorial for comsol general projections?

Hi, im trying to make a projection in a 3d comsol model. I have a non uniforme chanel and my intention is to get the average tempreture in the y-z cross section and se the average tempreture...

02 March 2021 4,624 4 View

Is it possible to do piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch?

How to do Piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch? Piezoelectric coupling between the rectangular substrate and rectangular...

02 March 2021 9,833 3 View

Emmanuel Delaleau

The question is not "with COMSOL" or with another software. The real question is do you have a model of what you want to simulate.

I have a confirmed experience to add new features in various software. In all case I need the model (i.e. equations) of what I develop.

Morteza Borhanipour

dear Emanouel

i need the simplest formula for simulation. if u have any suggestion i would be glade to know