gradient calculation of cell vertex finite volume method -- CFD Online Discussion Forums

January 29, 2014, 05:19	gradient calculation of cell vertex finite volume method	#1
h.bozorgi New Member hoda Join Date: Jan 2014 Posts: 1 Rep Power: 0	I am solving shallow water equations using cell vertex finite volume method. The computational domain is discretized into a triangular mesh. I need to calculate the flow variable gradient at vertex of each triangular. I used least-square method but it wasn't accurate. maybe I didn't calculate properly at boundary!? I'm considering using Green-Guass method but I don't know how to calculate the gradient at vertex which are on boundary, such as solid wall, inflow or outflow boundary. Any one can give some suggestion. Thanks in advance.

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Trackbacks are Off Pingbacks are On Refbacks are On Forum Rules

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
alphaEqn.H in twoPhaseEulerFoam	cheng1988sjtu	OpenFOAM Bugs	15	May 1, 2016 17:12
gradient calculation of cell centered finite volume method	zhengjg	Main CFD Forum	10	November 12, 2012 00:13
Control volume based finite difference method?	mukut.medhi	Main CFD Forum	3	August 24, 2012 11:01
References for the finite volume method on unstructured grids	old newbie	Main CFD Forum	1	April 26, 2011 00:53
[blockMesh] Axisymmetrical mesh	Rasmus Gjesing (Gjesing)	OpenFOAM Meshing & Mesh Conversion	10	April 2, 2007 15:00

All times are GMT -4. The time now is 14:02.