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Showing results 1 to 6 of 6 Search took 0.00 seconds. Search: Posts Made By: FMDenaro

Forum: Main CFD Forum May 27, 2016, 07:54

Replies: 11 test cases for 1D inviscid incompressible flow Views: 1,489 Posted By FMDenaro - lid driven cavity - backward facing step -... - lid driven cavity - backward facing step - analytical Taylor solution

Forum: Main CFD Forum May 27, 2016, 05:24

Replies: 11 test cases for 1D inviscid incompressible flow Views: 1,489 Posted By FMDenaro even with viscous term in 1D you get u= constant... even with viscous term in 1D you get u= constant ... the simplest 1D model is the Burgers equation in which du/dx does not vanish (therefore is a compressible model)... otherwise you must solve a 2D...

Forum: Main CFD Forum May 27, 2016, 05:11

Replies: 11 test cases for 1D inviscid incompressible flow Views: 1,489 Posted By FMDenaro The paper of Chorin is for a 2D flow... The paper of Chorin is for a 2D flow...

Forum: Main CFD Forum May 27, 2016, 05:09

Replies: 11 test cases for 1D inviscid incompressible flow Views: 1,489 Posted By FMDenaro but at a physical steady state with rho=constant... but at a physical steady state with rho=constant you simply get du/dx= 0... therefore your solution is a constant state for the velocity...It can only vary with time according to du/dt + dp/dx=0....

Forum: Main CFD Forum May 27, 2016, 04:19

Replies: 11 test cases for 1D inviscid incompressible flow Views: 1,489 Posted By FMDenaro In 1D the general mass equation is: d rho/dt... In 1D the general mass equation is: d rho/dt + d(rho*u)/dx=0 how do you enforce the "incompressible" constraint?

Forum: Main CFD Forum May 27, 2016, 04:02

Replies: 11 test cases for 1D inviscid incompressible flow Views: 1,489 Posted By FMDenaro sorry but your question is not clear...for... sorry but your question is not clear...for incompressible flows you mean divergence-free flow, rhight? But in 1D that reduce to have du/dx=0 so that u is constant along x. You cannot define a PDE for...

Showing results 1 to 6 of 6

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