What is the best Cooja simulator tutorial for dummies ?

08 September 2017 9,090 2 View

What is a suitable simulations tool to study vehicular ad hoc network performance for undergraduate students....?

08 September 2016 4,460 7 View

How do I simulate Radio interference?

Hello Everybody. I am interested to simulate radio interference when different radio technologies to be used in the same scenario, i.e. using IEEE802.11 and IEEE802.15.4.I have read on the...

06 July 2014 890 8 View

Can anyone help with MiXim/Inet OMNET++ ?

I would simulate a wireless node with multiple radio interfaces, say WiFi, B.T. and LR 802.15.4. I have installed OMNET++ with MiXim and Inet tool. Any direction is appreciated.

05 June 2014 7,743 3 View

Defining multiple NICs on hybrid wireless node?

Hello, I am using MiXiM/Inet with OMNET++, I am using in my NED design a hybrid wireless node, and when I run the simulation, it asks me to enter the NIC type, here is the message Enter Parameter...

05 June 2014 212 0 View

Closest longitude and latitude from PostGIS?

I am interested in getting the closest road segment from a PostGIS database. I am using a GPS module and according to the tolerance it gives longitude and latitude, which are not recorded in the...

31 December 2013 4,810 9 View

Can anyone help with GPS coordinates (Longitude and Latitude) on the OSM map?

I am using a GPS module to get the geographical location (Longitude and Latitude), how can I inject this position on the OSM map, so I can find the maximum allowed speed limit attribute assigned...

31 December 2013 7,544 3 View

Using openstreet maps OSM for navigation?

I am interested to use openstreet maps OSM for navigation, could you please give me directions how to achieve this?

11 December 2013 4,089 3 View

What is the best windows x64 bit application/applications, to open/render/edit Open Street Maps OSM?

I have downloaded OSMap and I would like to display it, and edit the attributes of some street segments based on my intended application.

11 December 2013 1,016 7 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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 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

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 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