Which environmental problems arise from landfill mining ?

Landfill mining techniques arise as one of the available alternatives to mitigate negative environmental impacts from municipal solid waste landfills. High recycling potential generation is one of...

28 March 2020 1,782 10 View

Which freeware model model do you recommend for a detail analysis of soil contamination by pesticides ???

Pesticide application has currently been identified as one of the most relevant soil contamination sources. However, some more effort should be done to understand the fate and transport of...

10 November 2017 8,957 3 View

Do you know any easy to use freeware about light pollution modeling (LPM)?

Easy to use freeware about light pollution modeling (LPM).

08 September 2014 7,583 3 View

Easy to use freeware about noise modeling

Do you know any easy to use freeware about noise modeling??

08 September 2014 7,510 0 View

Easy to use freeware about air quality

Do you know any easy to use freeware about air quality modeling??

08 September 2014 6,053 0 View

Which one to use, MODFLOW or FEFLOW?

08 September 2014 2,560 14 View

E-learning, online courses and webinars in groundwater and environmental problems?

08 September 2014 5,503 4 View

Can anyone help with alternatives to RBCA risk assessment model?

Do you know any software which could be an alternative to the RBCA software toolkit for chemical releases to perform risk assessment evaluations?

27 July 2014 8,767 3 View

C++ compiler for windows

I am looking for a good&easy to use C++ compiler for windows... Any suggestions? Thanks

06 July 2014 10,009 2 View

Can anyone help with alternatives to RBCA risk assessment model?

Do you know any software which could be an alternative to the RBCA software toolkit for chemical releases to perform risk assessment evaluations?

06 July 2014 2,825 4 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

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

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