How Can I define 3*6 matrix in COMSOL?

07 August 2015 9,020 2 View

Does anybody have Pdf of Design of the Microelectrode and Modeling of the Brain tissues of MEMS modules in COMSOL 4.1?

07 August 2015 4,309 0 View

Can i simulate experimental work on quantum cascade leser with comsol?

Hello everybody I want to simulate this thesis with COMSOL. (Heat transfer in solid and electromagnetic wave envelope). is it possible? I don't know which Q and T , I should use with what...

04 May 2015 1,336 0 View

How can I solve this error (Failed to find a solution.Singular matrix.Returned solution is not converged.)?

Im working on three modules to gather (semiconductor, electrostatic, heat transfer in solid) for Schottky diode. when COMSOL solve them to gather , has this error: (Failed to find a...

04 May 2015 7,035 4 View

How can i solve two physics togather (electromagnetic wave and heat transfer in solid) in COMSOL5?

Hello everyone, How can i solve two physics togather (electromagnetic wave and heat transfer in solid) in COMSOL5? and which study can solve both of them? thanks alot

04 May 2015 9,725 5 View

Where should I use port in this COMSOL geometry?

04 May 2015 2,898 1 View

Whats does the following error mean in COMSOL: Failed to find consistent initial values?

Hello everybody Im working on plasma, whit helium gas and time-dependent study. its make this error:Failed to find consistent initial values.Last time step is not converged. can anybody help me,...

04 May 2015 1,349 9 View

Relative permeability of graphene?

09 October 2014 9,817 11 View

Second harmonics generation - graphene?

07 August 2014 4,585 6 View

What is the refractive index of graphene?

Does anyone know the refractive index of Graphene?

05 June 2014 9,750 1 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

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

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

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

How can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

How to improve and implement WBAN MAC and Radio modules under Castalia 3.2 ?

Hello researchers, Hello Castalia3.2 researchers I am a beginner with Castalia, I work on optimization of RFID systems used in wireless body networks. I simulated a WBAN with 10 nodes and one...

28 February 2021 400 1 View

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View