High Power control for 48V battery pack - High current control?

Hi, I am working on 48V Lithium-Ion battery pack. I am wondering if there is fast MOSFET (or any other technology), to control the current of charging and discharging the battery with high...

20 January 2021 1,717 4 View

GROMACS: Cannot rename checkpoint file; maybe you are out of disk space?

Hi! i am running a simulation using a cluster and I have encounter an error during my nvt equilibration like this: Cannot rename checkpoint file; maybe you are out of disk space? I deleted some...

03 January 2021 3,544 2 View

How can the resistance of paving asphalt be increased to acid rain?

Modification of the rheological properties of asphalt

25 December 2020 7,390 2 View

Can someone please share the matlab code of FBMC/OQAM PAPR reduction with TR and PTS methods?

I am trying to work on reducing the PAPR of the FBMC/OQAM with the TR and PTS methods. for that if someone can share with me one of these matlab codes. my e-mail: [email protected]

19 December 2020 7,764 1 View

Appreciate the quality qualities of cheese ?

How to estimate the acidity of a cheese?

13 December 2020 4,890 4 View

What is the appropriate polymerase to amplify gDNA greater than 10kb?

I am going to clone gDNA fragment > 10 kb into a pCR TOPO vector. I performed the PCR using KOD PLUS Neo polymerase for 3-steps PCR reaction, I am not able to find the specific size. Several an...

03 December 2020 1,939 5 View

How to get the data of the changing the distance between two Pionts with the applied force?

does anybody knows how can i get the change in the distance between the notch nodes (two points showing in the figure ) vs the applied force in every step as a table out put or curve in...

23 November 2020 352 3 View

What are the reasons behinde decrease or increase the absorbance in the visible region?

In some oxide glasses the absorbance increases with transition metal concentration. In anthor work the transition metal concentration is kept constant, but the composition is changed as well the...

29 August 2020 6,050 3 View

Why I got low CI in the EBSD?

Hi I got a low confidence index in the EBSED analysis even after days of polishing using 1 to 0.02 um suspension using 1 lb force, the sample was Al/W composite (has intermetsllic interface)...

26 August 2020 3,547 4 View

Hi Is it needed to etch a sample in order to see dislocations? SEM or TEM microscope should be used for that?

hi please I have Al/W sample and I am looking for screw dislocations on the intermetallic surface, my question is: Should the sample be etched? and should I use the SEM or TEM microscopy? what...

06 August 2020 9,703 2 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

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

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