Leonardo Romero Monteiro

7 Questions 8 Answers 0 Followers

Questions related from Leonardo Romero Monteiro

How can I ensure that in a Fortran/C OpenMP code the sum is made consecutively by the threads?

I made this question because the sum with reduction(+...) is made in a different order of threads and the results are not exactly the same each time I run the code.

18 March 2023 2,007 4 View

Is there a Laboratory Channel for Free-Surface Flow Dataset?

Is there any dataset of free-surface flow created on lab channels? I know that we can find many experiments on articles, but free-surface flows have many different important situations that is an...

13 November 2020 8,889 0 View

Why is 'rho' considered as constant at continuity equation for multiphase flows (water-air)?

At numerical simulation of multiphase flows (water-air) almost all authors use continuity equation as "\partial ui / \partial xi = 0". Why "rho" is considered as constant? I understand that is an...

06 October 2015 1,451 6 View

Is IBM useful for low order approximations?

I am using a first order approximation at my Navier-Stokes code and want to know if an IBM (Immersed boundary method) is useful for it to represent a wall or an object, since the approximation of...

20 January 2015 5,609 1 View

How can I deal with staggered grid boundary conditions?

I'm using a semi-implicit code and I don't know how to deal with boundary conditions of staggered grids at the implicit part of the code. There is some book that can help me?

05 December 2014 4,399 3 View

What is the best free software for free-surface flow simulations?

Is there a good free software for free-surface flow simulations? Including turbulence and water quality?

21 May 2014 4,877 5 View

Which is the best method to determine the solution of a symmetric, positive definite, diagonally dominant system of equations?

I'm already using the preconditioned conjugate gradient. There is a better method? Or the best for this situation?

01 April 2014 7,882 2 View