What does it mean if in mediation analysis the indirect effect is significant but is a larger b value than that of the direct effect?

I understand that for partial mediation to have occured the CI for the indirect effect must not cross zero and the b value for the indirect effect should be smaller than the b value for the direct...

14 February 2021 3,273 7 View

How to prepare flood inundation extent in GIS from water levels available at the centerline of the river?

I have water levels during flood at the center line of the river (100 km long) at every 100 m. I also have the DEM of the area in which the river flows. How to generate the flood inundation extent...

16 October 2020 5,263 4 View

Is there any software tool for doing Extreme Value Analysis to find out flood levels for different return periods as well as plot high quality graphs?

I know there is one tool called as EVA tool in MIKE Zero but it is the paid tool. However, I am looking for a free tool and not the paid tool but the one which can do the analysis of extreme...

03 October 2020 232 2 View

How do we treat flow around islands in high width rivers if we want to use 1D hydrodynamic models?

I just wish to know if there is any reference for treatment of islands/large sand patches/sand bars in rivers of width greater than 1 KM in 1D hydrodynamic models. Such kind of studies can be...

29 September 2020 7,090 3 View

Which satellite data product is most suitable for flood inundation mapping?

In literature there are so many satellite data products given such as MODIS, Sentinel 1 and 2, Radarsat, Landsat-TM used. However, I am unable to understand which satellite product should I use...

24 September 2020 867 9 View

Where to get population density maps shapefiles for India?

I need population density maps of India to be used for a research study. However, I am unable to find its shapefiles. Kindly help.

23 August 2020 4,291 4 View

Best open source software for wave interaction with floating solar array in a lake?

I know the analysis of wave interaction with the floating bodies can be done in the ansys aqwa but it is a paid product and I am looking for a free option. However, I have the license of MIKE MA,...

05 May 2020 9,600 2 View

Are there tools to compile vcf filles containing multiple mutations/person and finally get a merged file?

I am able to obtain multiple vcf files detecting mutations in individuals. Each person has similar chromosomal but different mutation. I want to merge all these output files to either a csv or...

21 March 2020 1,506 6 View

How to write Bilinear Isotropic Hardening model code in Fortran, so as to use new uswr subroutine for Ansys AUTODYN ( Explicit Dynamics) ?

I am writing a new plasticity model in Ansys Explicit Dynamics using AUTODYN as solver for Bilinear Isotropic Hardening model but any how unable to add this particular material model code, as I...

12 March 2020 139 8 View

Are large-scale structures behaving like freely expanding gas molecules?

Since large-scale structures are gravitationally-bound ensemble of atoms and molecular matter, therefore, large-scale structures can be considered as gas molecules undergoing free expansion inside...

10 January 2019 3,740 2 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

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 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

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 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