Mercurial > repos > public > sbplib
diff +sbp/+implementations/intOpMC_orders_6to6_ratio2to1.m @ 608:c923fe6197ff feature/interpolation
Add inerpolation operator classes and implementations for MC and AWW.
| author | Martin Almquist <malmquist@stanford.edu> |
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| date | Sat, 14 Oct 2017 22:32:25 -0700 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/+sbp/+implementations/intOpMC_orders_6to6_ratio2to1.m Sat Oct 14 22:32:25 2017 -0700 @@ -0,0 +1,115 @@ +% Marks New interpolation operators +% 6th order accurate (diagonal norm) +% M=19 is the minimum amount of points on the coarse mesh + +function [IC2F,IF2C] = intOpMC_orders_6to6_ratio2to1(M_C) + +M_F=M_C*2-1; + +% Coarse to fine +I1=zeros(M_F,M_C); + +t1= [6854313/6988288 , 401925/6988288 , -401925/6988288 ... + , 133975/6988288 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ; ... + 560547/1537664 , 1201479/1537664 , -240439/1537664 ... + , 16077/1537664 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ; ... + 203385/5552128 , 1225647/1388032 , 364155/2776064 ... + , -80385/1388032 , 39385/5552128 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ; ... + -145919/2743808 , 721527/1371904 , 105687/171488 , ... + -25/256 , 23631/2743808 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ; ... + -178863/4033024 , 1178085/8066048 , ... + 1658587/2016512 , 401925/4033024 , -15/512 , ... + 43801/8066048 , 0 , 0 , 0 , 0 , 0 , 0 ; ... + -1668147/11213056 , 4193225/11213056 , ... + 375675/2803264 , 2009625/2803264 , ... + -984625/11213056 , 3/256 , 0 , 0 , 0 , 0 , 0 , 0 ; ... + -561187/2949120 , 831521/1474560 , -788801/1474560 ... + , 412643/368640 , 39385/589824 , -43801/1474560 ... + , 5/1024 , 0 , 0 , 0 , 0 , 0 ; ... + 23/1024 , 23/147456 , -43435/221184 , ... + 26795/36864 , 39385/73728 , -43801/442368 , ... + 3/256 , 0 , 0 , 0 , 0 , 0 ; ... + 79379/368640 , -1664707/2949120 , 284431/737280 , ... + 26795/294912 , 606529/737280 , 43801/589824 , ... + -15/512 , 5/1024 , 0 , 0 , 0 , 0 ; ... + 3589/27648 , -2225/6144 , 22939/73728 , ... + -26795/221184 , 39385/73728 , 43801/73728 , ... + -25/256 , 3/256 , 0 , 0 , 0 , 0 ; ... + -720623/14745600 , 10637/92160 , -89513/1474560 , ... + -5359/147456 , 39385/589824 , 3372677/3686400 , ... + 75/1024 , -15/512 , 5/1024 , 0 , 0 , 0 ; ... + -6357/81920 , 55219/276480 , -8707/61440 , ... + 5359/368640 , -39385/442368 , 43801/73728 , ... + 75/128 , -25/256 , 3/256 , 0 , 0 , 0 ; ... + -13315/884736 , 2589/65536 , -479/16384 , ... + 5359/884736 , -7877/294912 , 43801/589824 , ... + 231/256 , 75/1024 , -15/512 , 5/1024 , 0 , 0 ; ... + 8299/737280 , -7043/245760 , 5473/276480 , 0 , ... + 7877/737280 , -43801/442368 , 75/128 , ... + 75/128 , -25/256 , 3/256 , 0 , 0 ; ... + 11027/2949120 , -8461/884736 , 655/98304 , 0 , ... + 7877/1769472 , -43801/1474560 , 75/1024 , ... + 231/256 , 75/1024 , -15/512 , 5/1024 , 0 ; ... + -601/614400 , 601/245760 , -601/368640 , 0 , 0 , ... + 43801/3686400 , -25/256 , 75/128 , ... + 75/128 , -25/256 , 3/256 , 0 ; ... + -601/1474560 , 601/589824 , -601/884736 , 0 , 0 , ... + 43801/8847360 , -15/512 , 75/1024 , ... + 231/256 , 75/1024 , -15/512 , 5/1024 ] ; + + t2= [5/1024 , -15/512 , 75/1024, 231/256 , 75/1024 , -15/512 , 5/1024]; + + t3= [3/256 , -25/256 , 75/128 , 75/128 , -25/256 , 3/256]; + +I1(1:17,1:12)=t1; +I1(M_F-16:M_F,M_C-11:M_C)=fliplr(flipud(t1)); +I1(18,7:12)=t3; +for i=19:2:M_F-18 + j=(i-3)/2; + I1(i,j-1:j+5)=t2; + I1(i+1,j:j+5)=t3; +end + +% Fine to coarse +I2=zeros(M_C,M_F); + +t1=[6854313/13976576 , 2802735/3494144 , ... + 1016925/27953152 , -729595/6988288 , ... + -894315/13976576 , -1668147/6988288 , ... + -8417805/27953152 , 15525/436768 , ... + 1190685/3494144 , 89725/436768 , ... + -2161869/27953152 , -858195/6988288 , ... + -332875/13976576 , 124485/6988288 , ... + 165405/27953152 , -5409/3494144 , -9015/13976576; ... + 80385/12301312 , 1201479/3075328 , 1225647/6150656 ... + , 721527/3075328 , 1178085/24602624 , ... + 838645/6150656 , 60843/300032 , 345/6150656 , ... + -4994121/24602624 , -100125/768832 , ... + 31911/768832 , 55219/768832 , 349515/24602624 , ... + -63387/6150656 , -42305/12301312 , 5409/6150656 ... + , 9015/24602624 ; ... + -80385/5552128 , -240439/1388032 , 364155/5552128 ... + , 105687/173504 , 1658587/2776064 , 75135/694016 ... + , -2366403/5552128 , -217175/1388032 , ... + 853293/2776064 , 344085/1388032 , ... + -268539/5552128 , -78363/694016 , -64665/2776064 ... + , 5473/347008 , 29475/5552128 , -1803/1388032 , ... + -3005/5552128]; + + + + t2=[ 5/2048 , 3/512 , -15/1024 , -25/512 , ... + 75/2048 , 75/256 , 231/512 , 75/256 , ... + 75/2048 , -25/512 , -15/1024 , 3/512 , 5/2048]; + +I2(1:3,1:17)=t1; + +I2(M_C-2:M_C,M_F-16:M_F)=fliplr(flipud(t1)); + +for i=4:M_C-3 + j=2*(i-4)+1; + I2(i,j:j+12)=t2; +end +IC2F = sparse(I1); +IF2C = sparse(I2); +