Traditional face -to- face Teaching, Online Teaching or Blended Teaching?

The increasing number of universities in western countries dropping the face-to-face lectures raise the question of how can we relay on the student to find his way to the knowledge with no aid...

05 June 2018 841 0 View

ANSYS Fluent: How to simulate water spray injection in narrow duct?

I have a problem with simulate a spray in narrow duct channel in ANSYS Fluent (My duct is 6 mm height) ...Any hints??

02 March 2018 6,650 0 View

How can calculate the amount of angle of repose in rock slopes?

Rock slopes stability

11 December 2016 1,804 0 View

Calling Matlab Code with subroutines to TRNSYS

04 May 2016 4,385 10 View

Calling Matlab Code with subroutines to TRNSYS

01 May 2016 1,831 9 View

Heat transfer between parallel channels in ANSYS?

Hi, am trying to simulate a parallel plates (air to air) heat exchanger...... I had a problem with the mesh, and that's normal because the plates are too thin and the walls as well..... the...

02 March 2016 8,958 0 View

Is there a classification scheme for rock cavities or caverns with respect to their size and shape?

The range of forms and sizes of cavities in rock is very big. Is there a classification scheme for rock cavities regarding their size and shape?

02 March 2021 4,511 3 View

What is the procedure to determine the permeability of concrete?

can anyone help me in this, it will help me with my research work

01 March 2021 834 3 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

How the wettability of rock sample can be changed by ageing in pure hydrocarbon oils only?

I want to do wettability analysis of hydrocarbon oil (octane)/rock/surfactant solution system. but to do the analysis first I have to make rock surface oil-wet. Since hydrocarbon oil does not have...

27 February 2021 5,383 3 View

Any references about insects or animals that can damage or weathering of rock or fossil material?

Are there any references to insects or animals that can cause damage or weathering to the rock or fossil material? books or paper that would be nice. Thank you very much!

24 February 2021 6,805 3 View

Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View

How to resolve Gaussian error termination " Error termination via Lnk1e in F:\G16W\l103.exe" for TS(QST3)?

When I run the job for TS(QST3) in gaseous phase, it was completed without any error. But when I add water in CPCM model it terminated with an error: Inconsistency: ModMin= 2 Eigenvalue=...

21 February 2021 3,198 2 View

Using the Pfaffl method: Is it possible that the ratio of the calibrator does not equal 1?

Hi all, I have a question regarding calculations using the Pfaffl method. I have 3 groups per experiment: 1 control group (calibrator) and 2 treatment groups with 6 to 7 biological repeats per...

19 February 2021 8,351 2 View

How to model in HFSS or FEKO Free Space Material Characterization?

I am having trouble setting up this problem in HFSS or FEKO. In HFSS, I've tried both FEM and FEBI-IE solvers. With FEKO, I've tried it's MoM solver and default settings. I am would like model...

09 February 2021 375 2 View

Wave velocity and rock density paradox?

Practically it is known that seismic velocity increases as rock density increases, why then does the wave velocity equation involving elastic moduli and density indicate that velocity is inversely...

09 February 2021 1,843 3 View