What is the best lubricant and dispersant for SiC abrasive particles ?

I am examining laboratory cases about ZnO Based ceramic Lapping with SiC,Al2O3,CeO2 and SiO2 abrasive particles. but i have no experience about modifying SiC slurry lapping. Also,i use of double...

13 December 2020 4,327 4 View

FEM modeling of Joints/ Connection?

The attached Joint.png showed and example case of a joint (2 continuum members are connected). There are 3 characteristics of this, 1. There is a Gap: Cause small amount of rigid body rotation and...

07 December 2020 6,603 3 View

Is there any code to generate Shape functions for FEM?

Hi, Commercial softwares generally use standard element for FEM. For example Abaqus library has max 20 node 3D brick element. But if anyone wants to use like 4th order element or Spectral element,...

17 October 2020 204 3 View

How to access urban traffic dataset?

I'm looking for a traffic dataset for Pasadena city, California. Im interested in hourly data or even parts of the day (few hours interval) to indicate the traffic count for the year 2019. I've...

14 October 2020 9,662 3 View

Is there any good source of power system (real/synthetic) time-series data?

For research on power system cybersecurity, I need to train an LSTM model with the time-series sensor data that covers the overall states of the system, not a single sensor. Even though I have...

07 October 2020 573 3 View

3D FEM code issues with 1/8 Sphere?

I have been working on 3D FEM in Matlab. Done different verifications tests and have good match with Abaqus and analytical results for some cases, but for a 1/8 sphere, I am facing this issue....

18 September 2020 7,747 4 View

Data Mapping between 2 Mesh?

Hi, . I need to map data (scalar, vector, tensor) from a FDM grid to a FEM mesh. The girds or mesh are different from each other and the grid do not necessarily be equal spacing like the image...

06 May 2020 8,542 12 View

Can we use RNA Interference (RNAi to degrade virus) for Inhibition of genes expression of coronavirus (COVID-19)?

Looking for the possibilities that might help researchers to find a cure or new dimension of therapeutical strategy to fight Novel Corona viruses (COVID-19) of the 21th century.

01 April 2020 9,297 8 View

Uncommon Serendipity Elements in Finite Element?

Hi, Do people use uncommon serendipity elements (Incomplete polynomial and different continuity for different axis)? For example, the elements in the picture. Thanks.

02 March 2020 7,526 3 View

How to design multi Epitopes Vaccine Prediction against Novel Coronavirus 2019 (COVID-19) Using Immunoinformatics tools.?

Severe acute respiratory syndrome coronavirus 2, formerly known as the 2019 novel coronavirus, is a positive-sense single-stranded RNA virus. It is contagious among humans and is the cause of...

21 February 2020 2,535 12 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