Adds minimal working UEDGE example

pyexamples/input_example/conftest.py

@@ -0,0 +1,5 @@
+import pytest
+
+@pytest.fixture(autouse=True)
+def change_test_dir(request, monkeypatch):
+    monkeypatch.chdir(request.fspath.dirname)

pyexamples/input_example/input.py

@@ -0,0 +1,117 @@
+# This is the test header file
+# It is copied into the start of every test case
+# created from this subdirectory. It is the 
+# best place to include lines common to
+# all test cases, such as rate paths etc.
+
+from uedge import *
+from uedge.hdf5 import hdf5_restore
+
+try:
+    bbb.oldseec = 0
+    bbb.jhswitch = 0
+except:
+    pass
+
+bbb.mhdgeo = 1 		#use MHD equilibrium
+bbb.gengrid=0		#read mesh from gridue file
+com.geometry = "snull"
+com.isnonog = 1		#nonorthogal differencing used
+
+bbb.methn = 33		#ion continuty eqn
+bbb.methu = 33		#ion parallel momentum eqn
+bbb.methe = 33		#electron energy eqn
+bbb.methi = 33		#ion energy eqn
+bbb.methg = 66		#neutral gas continuity eqn
+
+# templates/D_only/inputs/atoms/default.py
+bbb.isupwo[1] = 0
+bbb.ineudif = 2
+com.ngsp=1
+com.nhsp=2
+bbb.ziin[1]=0
+bbb.travis[1] = 0.	#shouldn't be used for neutrals - but to be sure
+
+# templates/D_only/inputs/boundary/core/density/default.py
+bbb.isnicore[0] = 1 	#use fixed-density BC on core
+bbb.ncore[0] = 2.e19	#hydrogen ion density on core
+
+# templates/D_only/inputs/boundary/core/energy/default.py
+bbb.iflcore = 0		#flag=0, fixed Te,i;=1, fixed power on core
+bbb.tcoree = 100.	#core Te 
+bbb.tcorei = 100.	#core Ti
+
+# templates/D_only/inputs/boundary/plates/recycling/default.py
+bbb.recycp[0] = 0.9		#hydrogen recycling grd.coeff at plates
+
+# templates/D_only/inputs/boundary/walls/energy/default.py
+bbb.istewc = 1 		#=1 sets constant wall te
+bbb.tedge = 2.		#fixed wall,pf Te,i if istewcon=1, etc
+bbb.istepfc = 3		#=3 sets scale length bbb.lyte
+bbb.lyte = 0.03		#radial scale-length for Te on PF boundary
+
+# templates/D_only/inputs/boundary/walls/particle/default.py
+bbb.matwso[0] = 1		#recycle on main-chamber wall
+bbb.isnwcono = 1		#if=1, set bbb.ni[,,com.ny+1]=bbb.nwallo
+bbb.isnwconi = 1		#if=1, set PF wall bbb.ni=bbb.nwalli
+bbb.allocate()		#bbb.allocate() space of bbb.nwallo,i
+bbb.nwallo = 1.e18
+bbb.nwalli = 1.e18
+
+# templates/D_only/inputs/boundary/walls/recycling/default.py
+bbb.recycw[0] = 0.9		#wall recycling if bbb.matwso,i=1
+
+# templates/D_only/inputs/equations/default.py
+bbb.isnion = 1
+bbb.isupon = 1
+bbb.isteon = 1
+bbb.istion = 1
+bbb.isphion = 1
+bbb.isphiofft = 0
+bbb.istgon = 0
+bbb.isngon = 0
+bbb.isngon[0] = 0
+bbb.isupgon = 0
+bbb.isupgon[0] = 1
+
+
+# Catch-all for turning off potential equaiton in slab geometry
+if bbb.mhdgeo == -1:
+	bbb.isphion = 0
+	bbb.isphiofft = 1
+
+# templates/D_only/inputs/fluxlimits/default.py
+bbb.flalfe = 0.21	#electron parallel thermal conduct. grd.coeff
+bbb.flalfi = 0.21	#ion parallel thermal conduct. grd.coeff
+bbb.flalfv = 1.		#ion parallel viscosity grd.coeff
+bbb.flalfgx = 1.	#neut. density poloidal diffusion
+bbb.flalfgy = 1.	#neut. density radial diffusion
+bbb.flalfvgx = 1.	#neut. momentum poloidal viscosity
+bbb.flalfvgy = 1.	#neut. momentum radial viscosity
+bbb.flalftgx = 1.	#neut. particle poloidal heat diffusion 
+bbb.flalftgy = 1.	#neut. particle radial heat diffusion
+
+# templates/D_only/inputs/radialtransport/default.py
+bbb.difni[1] = 1.	#D for radial hydrogen diffusion
+bbb.kye = 1.		#chi_e for radial elec energy diffusion
+bbb.kyi = 1.		#chi_i for radial ion energy diffusion
+bbb.travis[1] = 1.	#eta_a for radial ion momentum diffusion
+
+# templates/D_only/inputs/solver/default.py
+bbb.svrpkg = "nksol"	#Newton solver using Krylov method
+bbb.premeth = "ilut"	#Solution method for precond. Jacobian matrix
+bbb.mfnksol = 3
+
+# templates/restore/default.py
+bbb.restart = 1			#Begin from savefile
+bbb.allocate()			#allocate plasma/neutral arrays
+hdf5_restore("solution.h5")    #read in the solution from pfb file
+
+''' ================================================
+    ======= ADD MODIFICATIONS TO INPUT BELOW =======
+    ================================================ '''
+# If you have made changes to the code, you will need
+# to supply an example input case. Please use this 
+# example input and setup to converge the code using 
+# your changes, and include these a copy of this folder
+# in your PR.