From 9cf82f641b8982df526107b99d883545ee02fe20 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Wed, 12 Jun 2019 21:01:42 +0200
Subject: Restructuring

---
 lbm_d2q9.py | 37 -------------------------------------
 1 file changed, 37 deletions(-)
 delete mode 100644 lbm_d2q9.py

(limited to 'lbm_d2q9.py')

diff --git a/lbm_d2q9.py b/lbm_d2q9.py
deleted file mode 100644
index a3c2503..0000000
--- a/lbm_d2q9.py
+++ /dev/null
@@ -1,37 +0,0 @@
-from sympy import *
-from sympy.codegen.ast import Assignment
-
-q = 9
-d = 2
-
-c = [ Matrix(x) for x in [(-1, 1), ( 0, 1), ( 1, 1), (-1, 0), ( 0, 0), ( 1, 0), (-1,-1), ( 0, -1), ( 1, -1)] ]
-w = [ Rational(*x) for x in [(1,36), (1,9), (1,36), (1,9), (4,9), (1,9), (1,36), (1,9), (1,36)] ]
-
-c_s = sqrt(Rational(1,3))
-
-rho, tau = symbols('rho tau')
-
-f_next = symarray('f_next', q)
-f_curr = symarray('f_curr', q)
-
-u = Matrix(symarray('u', d))
-
-moments = [ Assignment(rho, sum(f_curr)) ]
-
-for i, u_i in enumerate(u):
-    moments.append(Assignment(u_i, sum([ (c_j*f_curr[j])[i] for j, c_j in enumerate(c) ]) / sum(f_curr)))
-
-moments_opt = cse(moments, optimizations='basic', symbols=numbered_symbols(prefix='m'))
-
-f_eq = []
-
-for i, c_i in enumerate(c):
-    f_eq_i = w[i] * rho * (  1
-                           + c_i.dot(u)    /    c_s**2
-                           + c_i.dot(u)**2 / (2*c_s**4)
-                           - u.dot(u)      / (2*c_s**2) )
-    f_eq.append(f_eq_i)
-
-collide = [ Assignment(f_next[i], f_curr[i] + 1/tau * ( f_eq_i - f_curr[i] )) for i, f_eq_i in enumerate(f_eq) ]
-
-collide_opt = cse(collide, optimizations='basic')
-- 
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