mulimoen/SummationByParts
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Allow mutable contexts for evalexpr strings

Browse Source 
These may be slow when used as boundary conditions, but produces results
consistent with the special "vortex" type for the example.
This commit is contained in:
Magnus Ulimoen
2021-06-29 23:12:48 +02:00
parent ea90bb8655
commit 92ad7bc580
3 changed files with 51 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
multigrid/examples/expressions_vortex.json
View File

@@ -18,10 +18,10 @@
"initial_conditions": {
"expressions": {
"globals": "uinf=1;vinf=0;beta=5;y0=0;x0=0;Tfactor=(GAMMA-1)*beta*beta/(8*GAMMA*PI*PI)",
"rho": "math::pow(1 - Tfactor*math::exp(1 - ((x-x0)*(x-x0) + (y-y0)*(y-y0))), 1.0/(GAMMA - 1))",
"u": "uinf + beta/(2*PI) * math::exp((1 - ((x-x0)*(x-x0) + (y-y0)*(y-y0)))/2)*(-(y-y0))",
"v": "vinf + beta/(2*PI) * math::exp((1 - ((x-x0)*(x-x0) + (y-y0)*(y-y0)))/2)*((x-x0))",
"globals": "uinf=1;vinf=1;beta=5;y00=0;x00=0;Tfactor=(GAMMA-1)*beta*beta/(8*GAMMA*PI*PI)",
"rho": "x0=x00+uinf*t;y0=y00+vinf*t; math::pow(1 - Tfactor*math::exp(1 - ((x-x0)*(x-x0) + (y-y0)*(y-y0))), 1.0/(GAMMA - 1))",
"u": "x0=x00+uinf*t;y0=y00+vinf*t; uinf + beta/(2*PI) * math::exp((1 - ((x-x0)*(x-x0) + (y-y0)*(y-y0)))/2)*(-(y-y0))",
"v": "x0=x00+uinf*t;y0=y00+vinf*t; vinf + beta/(2*PI) * math::exp((1 - ((x-x0)*(x-x0) + (y-y0)*(y-y0)))/2)*((x-x0))",
"p": "math::pow(rho, GAMMA)"
}
},