From 5f65dcffd02167c01c25c299beb151421df01ad1 Mon Sep 17 00:00:00 2001 From: Bruno Seny <bruno.seny@student.uclouvain.be> Date: Thu, 7 Jan 2010 10:23:31 +0000 Subject: [PATCH] MACH = 1.0; GAMMA = 1.4; U = 3.0 V = 0.0 RHO = 1.4; PRES = RHO*U*U/(GAMMA*MACH*MACH) --PRES = 1; --PRES = ./(MACH*RHO*RHO*GAMMA*GAMMA) SOUND = math.sqrt(U*U+V*V)/MACH --[[ Function for initial conditions --]] function free_stream( XYZ, FCT ) for i=0,XYZ:size1()-1 do FCT:set(i,0,RHO) FCT:set(i,1,RHO*U) FCT:set(i,2,RHO*V) FCT:set(i,3, 0.5*RHO*(U*U+V*V)+PRES/(RHO*GAMMA-1)) end end --[[ Example of a lua program driving the DG code --]] order = 1 print'*** Loading the mesh and the model ***' myModel = GModel () myModel:load ('step.geo') myModel:load ('step.msh') print'*** Create a dg solver ***' DG = dgSystemOfEquations (myModel) DG:setOrder(order) FS = functionLua(4, 'free_stream', {'XYZ'}):getName() law=dgPerfectGasLaw2d() DG:setConservationLaw(law) law:addBoundaryCondition('Walls',law:newWallBoundary()) law:addBoundaryCondition('LeftRight',law:newOutsideValueBoundary(FS)) DG:setup() print'*** setting the initial solution ***' DG:L2Projection(FS) DG:limitSolution() print'*** export ***' DG:exportSolution('output/solution_0') print'*** solve ***' CFL = 2.0; for i=1,1000 do dt = CFL * DG:computeInvSpectralRadius(); norm = DG:RK44_limiter(0.1*dt) print('*** ITER ***',i,dt, norm) if (i % 1 == 0) then DG:exportSolution(string.format("output/solution-%06d", i)) end end print'*** done ***' --- Solver/TESTCASES/ForwardFacingStep.lua | 1 - 1 file changed, 1 deletion(-) diff --git a/Solver/TESTCASES/ForwardFacingStep.lua b/Solver/TESTCASES/ForwardFacingStep.lua index c1bb142ad0..196e2bab8e 100644 --- a/Solver/TESTCASES/ForwardFacingStep.lua +++ b/Solver/TESTCASES/ForwardFacingStep.lua @@ -25,7 +25,6 @@ end --[[ Example of a lua program driving the DG code --]] -sv order = 1 print'*** Loading the mesh and the model ***' myModel = GModel () -- GitLab