Comsol electromagnetic simulation. How to give a mesh for certain micrometer when my tool is in millimeter. The current density is so small. Pls help?

Hi, I am trying to perform mesh convergence and I found out there is no stable temperature value I obtained. So, I calculated the skin depth and it was around 0.00011mm. It is so small in...

24 August 2020 9,060 2 View

How to model in COMSOL (Induction heating) . A current applied for 600A for 10 min and continue then 100A for next 5 min. Can someone help me please?

Hi I wanted to model Induction heating in comsol. Apply a current of 600A for 10 minutes in my coil and then a 100A current for 5 minutes. I could not find much of tutorials. I do not know where...

10 April 2020 5,565 12 View

Where i can get the electricity price for different EV agents?

Hello, i hope you all are good. i am modeling a system for charging and discharging cost minimization for different EV (Electric vehicle) agents like households, business...

27 November 2019 5,599 4 View

How to plot Basin of attraction for coupled maps in MATLAB?

1) I am trying to plot the Basin of attraction for 2d discrete dynamical system in MATLAB. Please give some suggestions to get them. 2) If possible, give some simple example like...

08 November 2019 5,668 3 View

Thermal topology optimization run ends with error due to memory. How to swap memory?

Hello. I had a run error *7007* that the allocated memory is 17,500 Mb but the run for the model required 18,400 Mb. When i check my directory file, there is more memory around 1TB and the system...

06 November 2019 8,994 3 View

How to make the displacement value show up?

Hello all, I need a help really. I have displacement at a point as in the image where it shows Mag = 0 and Z = 0. Apart from static min and max. That nodal point on top I needed the values. Since...

03 October 2019 3,670 3 View

How to make a flat surface in ANSYS or HM. Can someone suggest me?

A bracket has been analyzed and the solid is not flat. The triangular elements are bumpy on 2 sides of the bracket and I want it to make it flat before I re-analyze for static displacement and...

16 September 2019 3,885 3 View

Which one is the best protocol to measure aggregate stability ?

Need reviews regarding measurement of aggregate stability.

14 March 2017 9,709 2 View

Does anyone has idea about recent data regarding acreage of various fodder/forage crops in India?

Current statistical data on acreage of different forages in India.

14 March 2017 5,084 2 View

How can I measure the N fractions in rhizospheric soil samples?

Please suggest me the precise and standard methodology to compute the various N fractions in rhizospheric soil samples.

09 March 2017 6,447 6 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

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

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

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

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

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