What eqn does comsol use to get the pressure profile?

Hi all, Does COMSOL use pressure poisson equation to get pressure profile? Thanks vivek

31 December 2015 7,564 1 View

Connecting COMSOL with MATLAB?

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 8,129 1 View

Solving dimensionless equations in COMSOL?

11 December 2015 7,804 15 View

Any suggestions on a COMSOL Generalized alpha discretization scheme ?

Hi, Can anyone please tell me the numerical schemes used in generalized alpha scheme? Thanks Vivek

11 December 2015 8,221 0 View

RTD and mixing in plug flow or in continuous reactor?

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 1,314 21 View

Any suggestions on the formation of bigger and smaller eddies in turbulent medium?

06 July 2015 5,866 69 View

Anyone familiar with convergence and under relaxation factors in fluent?

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 9,708 7 View

What is the relation between viscous force and the inertial force?

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 2,702 22 View

Finite element method?

04 May 2015 5,406 3 View

Anyone familiar with nodes and volume elements in fluent meshing CSTR?

04 May 2015 3,698 8 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Is there a classification scheme for rock cavities or caverns with respect to their size and shape?

The range of forms and sizes of cavities in rock is very big. Is there a classification scheme for rock cavities regarding their size and shape?

02 March 2021 4,511 3 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View