For buildings analysis, There are mathematical analysis and simulation by software, which one is better to measure the performance of buildings?

To measure the performances of the buildings, some apply mathematical analysis whereas others use some software to do that. Based on your experiences, which one is more accurate?

10 November 2018 9,697 0 View

I am looking for the Energy and Carbon reporting examples. Can anyone provide an experimental example with data? Thank you ?

Energy carbon reporting related to the policies of countries that lead to reducing emissions from the buildings by improving their performance. This needs the building to be efficient to use the...

06 July 2018 9,357 0 View

How can I get the values of tb,td(beam and diffuse optical depths)ab,and ad(beam and diffuse air mass exponents) according to latitude and longitude ?

07 August 2017 7,954 4 View

How can I get the values of tb,td(beam and diffuse optical depths)ab,and ad(beam and diffuse air mass exponents) according to latitude and longitude ?

03 August 2017 5,307 4 View

Dear Friends, do you know where can I find solar flux of specific location for last 4 years in W/m^2. latest available data just till 2005?

The required data should be hourly if that possible or at least daily. the data that I need for Istanbul city in Turkey. I try to find some data but what I found was for 2005 and 2004 and so one...

01 January 1970 1,559 5 View

Dear Friends, do you know where can I find solar flux of specific location for last 4 years in W/m^2. latest available data just till 2005?

The required data should be hourly if that possible or at least daily. the data that I need for Istanbul city in Turkey. I try to find some data but what I found was for 2005 and 2004 and so one...

01 January 1970 5,423 5 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

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