Jose Ignacio Rojas Gregorio

8 Questions 81 Answers 0 Followers

Questions related from Jose Ignacio Rojas Gregorio

Why are we obtaining such a strange flow behaviour from OpenFOAM CFD for katabatic/anabatic flow?

With OpenFOAM CFD, we are studying katabatic/anabatic flows in a simple mountain slope-valley geometry as shown in the attached image. We would appreciate very much any help in explaining why we...

05 May 2019 7,351 3 View

Which are the mechanical properties of the hardest bone in the animal kingdom?

I found an article claiming that the femur of the rhino is the hardest bone in the animal kingdom. I would like to know the mechanical properties of the hardest bone in the animal kingdom, and, if...

02 February 2019 291 2 View

Can somebody tell me references reporting mechanical relaxations/internal friction phenomena for 6xxx series aluminum/aluminium alloys (AlMgSi)?

After careful search, I have not been able to find any reference reporting mechanical relaxations/internal friction phenomena for 6061 and 6082 (AlMgSi) alloys. I would appreciate very much if...

03 March 2016 8,010 5 View

Which software is more appropriate for fatigue analysis of hybrid structures (composite and metallic): ANSYS, MSC Nastran Patran or Abacus?

Which software is more appropriate for fatigue analysis of hybrid structures (composite and metallic): ANSYS, MSC Nastran Patran or Abacus? We want to simulate composite (CFRP or GFRP) bonded to...

12 December 2015 5,793 3 View

Can somebody tell me any reference reporting mechanical relaxations/internal friction phenomena for AlMgSi alloys?

After careful search, I have not been able to find any reference reporting mechanical relaxations/internal friction phenomena for 6061 and 6082 (AlMgSi) alloys. Can somebody please help me by...

11 November 2015 1,847 1 View

How can I simulate in COMSOL a multi-material (2 different materials) sample under the influence of a magnetic field generated by a coil?

I am trying to simulate an electromagnetic problem with COMSOL: a multi-material (2 different materials) sample within a coil and under the influence of a magnetic field generated by the coil. For...

07 July 2015 445 5 View

Trouble in measuring the grain size for some samples of pure aluminum and aluminium alloys. What is the problem?

I am trying to make optical microscopy analysis of samples of aluminum alloy (AA) 6082, AA 6082-T6 and pure Al. I want to measure the grain size/grain boundary before starting a DMA test and right...

01 January 1970 3,226 11 View

What is the problem in these simulations of the generation of katabatic winds using CFD software?

We are conducting a study on katabatic winds. We are trying to simulate the generation of this kind of winds using CFD software (mainly ANSYS-Fluent) but we have not been able to obtain any...

01 January 1970 3,304 4 View