Could the "incoming radiation (net radiation)" values be negative?

Could the "incoming solar radiation" values be negative? What is the difference between "global solar radiation" and "incoming solar radiation"? Which one might be measured negative values?

21 February 2021 7,726 9 View

How long does it take for MCF-7 cancer cells to adhere to the microfluidic surface? Is 24 hours enough?

Hello everyone. We have cultured MCF-7 cancer cells in microfluidics several times and incubated them for 24 hours, but as the nanomaterial passed through the cells, the cells moved and no cell...

05 September 2020 7,292 3 View

Should Quartz powder or Sand water absorption be considered for UHPC mix design calculations? How is the water absorption of the powder calculated?

07 August 2020 1,592 1 View

What does scale.factor do exactly in LogNormalize function in R and why it is 10000 by default?

Hi, In LogNormalize function feature counts for each cell are divided by the total counts for that cell and multiplied by the scale.factor prior to log transformation. My question is what does...

26 July 2020 1,980 2 View

How to use all of CPU capacity for Analysis in Ansys mechanical Apdl?

Hello. Im using Ansys mechanical Apdl for timehistory analysis. I want to use all of Cpu's cores in this process. Help me please to do that with your guidance. #ansys #cpu_capacity

23 June 2020 7,600 3 View

How to simulate a porous media which is opaque to thermal radiation in Fluent Ansys?

Hello I am trying to model a porous zone in Fluent (the fluid in void is air) which is opaque to thermal radiation. If I set it as a porous zone with air as the media, Fluent treats it as a...

31 May 2020 7,450 2 View

Critical thinking assessments?

i'm trying to find a comprehensive explanation of most -if not all- of the instruments proposed to assess critical thinking skills and abilities. i will appreciate if you could introduce them or...

29 May 2020 5,717 5 View

How can I merge a slope raster to Land use-HSG shapefile in order to produce Curve Number in GIS?

Hi every body: I'm trying to calculate Run off Curve Number in GIS, first of all I need to merge my Land use-Hydrological soil group shapefile with Slope raster of my study area to produce CN...

19 April 2020 4,587 3 View

Does the presence of clones on the agar plate mean that the cloning has been done successfully?

I did cloning. it was like a traditional approach. Firstly, Restriction digestion was performed for both vector (8kb) and target gen (700bp), and also the vectors and target gene were run on the...

21 March 2020 9,618 4 View

Why is methylene blue commonly used to measure an active surface area of nanoparticles?

Among the dyes, why is methylene blue commonly used to measure an active surface area of nanoparticles(especially graphene derivatives)? I try to find the reason, but I cannot find it. Could you...

11 March 2020 2,963 4 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

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

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Why the results when using wall thickness and when using shell conduction are different in ansys fluent?

Actually, I am running cfd simulation for a heat exchanger which has two fluids one hot and other one is cold fluid. there is a solid domain between them, which I removed and instead I have used...

01 March 2021 9,537 2 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein?

Hi In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein? I got this error in the add-ion stage: Fatal error "./ amber99sb-ildn-HHH.ff / force...

01 March 2021 8,747 4 View

How can you bring two structures together to create an adhesive bond in LAMMPS?

I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....

01 March 2021 3,325 2 View