Please explain the following power answers?

How we can understand the following answer: 1.01^365=37.78343 0.99^365=0.025518 The difference is just 2% between two numbers. How much error and uncertainity is produced because of numerical...

10 November 2017 4,630 5 View

Could you explain the meaning of mode shape in structural dynamics?

The definition of " mode shape" for multistory building subjected to earthquake load. This mode may take first of 2 ..3 etc mode, Does any one explain the meaning of this term physically and...

09 October 2017 495 4 View

What we need to publish our work in international journal?

Free of charge publication in a good journal may take long time and hard reveiwing process to be passed. What we need to publish our articles in good journal in faster way. Will our private...

09 October 2017 4,923 11 View

What are the controlling periods that required by Design Engineer?

The design engineer may desire low base shear by period shifting with soil interaction, connection assumptions , using low E etc... In order to avoid unusual base shear the upper limit is defined....

09 October 2017 706 0 View

Can we use Esri City Engine program as an altrenative to AUTOCAD and 3DMax engineering softwares?

It well known that AutoCad and 3DMax are the most important softwares for engineers. So recently Esri company has presented a program called CityEngine, does this program can be used alone to...

08 September 2017 1,011 2 View

What does decimal digits mean?

if we multiply 2x24 = 48and if we take the decimal digits for example 2.08 x 24 = 49.92 Now which answer is correct or both answers are correct? Now if the unit is km so the error is too big 1.92...

08 September 2017 8,170 12 View

How to compute error, residual and uncertainty analysis for any dataset?

08 September 2017 293 4 View

What is the relationship between hardness and the concrete strength?

The Rockwell K and F scales were found to be suitable for the hardness determinations. Over a wide range of hardness and strength values, the average compressive strength (fc) varied linearly with...

06 July 2017 5,705 9 View

From earthquake point of view, what are the most dangerous building construction?

06 July 2017 3,525 3 View

What are the procedure for preparation of liquefaction susceptibility map?

Previous evaluations of regional liquefaction hazards identify several geologic and hydrologic factors that influence the susceptibility of a deposit to liquefaction, including (1) the age and...

05 June 2017 5,621 3 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

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 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