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jakwbm
  1. C JAKWBM SOURCE CHAT 05/01/13 00:48:51 5004
  2. SUBROUTINE JAKWBM(JTL,WVEC_L,WVEC_R,NVECT,TVECT,
  3. & ga,v_inf)
  4. C************************************************************************
  5. C
  6. C PROJET : CASTEM 2000
  7. C
  8. C NOM : JAKWBM
  9. C
  10. C DESCRIPTION : Voir KONJA6
  11. C
  12. C LANGAGE : FORTRAN 77 + ESOPE 2000 (avec estensions CISI)
  13. C
  14. C AUTEUR : S. KUDRIAKOV, DM2S/SFME/LTMF
  15. C
  16. C************************************************************************
  17. C
  18. c----------------------------------------------------------------------
  19. c GENERAL DESCRIPTION:
  20. c This subroutine provides the jacobian which is the derivatives
  21. c of the numerical flux function defined at the wall
  22. c with respect to the conservative variables of the left
  23. c cell (relative to the wall).
  24. c The low-mach number corrections are made for the flux functions
  25. c
  26. c EQUATIONS: 2D Euler equations of gas dynamics
  27. c
  28. c
  29. c REFERENCE: 1) JCP, 129, 364-382 (1996)
  30. c " A Sequel to AUSM: AUSM+ ".
  31. c M.S.Liou
  32. c 2) AIAA Journal, Sept. 1998
  33. c " Low-Diffusion Flux-Splitting Methods for Flows at All Speeds"
  34. c J.R.Edwards and M.S.Liou
  35. c----------------------------------------------------------------------
  36. c INPUT:
  37. c
  38. c alpha -- parameter of the AUSM+ scheme in the Pressure function;
  39. c ( -3/4 <= alpha <= 3/16 ) (imposed as a parameter)
  40. c
  41. c beta -- parameter of the AUSM+ scheme in the Mach function;
  42. c ( -1/16 <= beta <= 1/2 ) (imposed as a parameter)
  43. c
  44. c wvec_l -- vector of the primitive variables (rho,ux,uy,p) at the
  45. c left cell;
  46. c
  47. c wvec_r -- vector of the primitive variables (rho,ux,uy,p) at the
  48. c right cell;
  49. c
  50. c nvect -- normal vector to the interface (2 components in 2D);
  51. c
  52. c tvect -- tangential vector to the interface;
  53. c
  54. c ga -- ratio of the specific heats (assumed constant)
  55. c
  56. c v_inf -- parameter for reference velocity, see Ref. 2).
  57. c----------------------------------------------------------------------
  58. c
  59. c OUTPUT:
  60. c
  61. c jtl -- jakobian matrix 4 by 4 - derivatives of the numerical
  62. c flux function with respect to the conservative variables
  63. c from the left cell;
  64. c
  65. c----------------------------------------------------------------------
  66. IMPLICIT INTEGER(I-N)
  67. real*8 wvec_l(4),wvec_r(4)
  68. real*8 nvect(2),tvect(2)
  69. real*8 jl(4,4),jr(4,4)
  70. real*8 wl(4,4),wr(4,4)
  71. real*8 jtl(4,4),jtr(4,4)
  72. real*8 alpha,beta
  73. real*8 ga,gm1,temph
  74. real*8 n_x,n_y,t_x,t_y
  75. real*8 un_l, un_r, ut_l,ut_r
  76. real*8 ml,mr,Mplus,Mmin,mmid
  77. real*8 mpl_m, mmin_m,am
  78. real*8 rold_l,uold_l,vold_l,pold_l,eold_l
  79. real*8 rold_r,uold_r,vold_r,pold_r,eold_r
  80. real*8 Pplus,Pmin
  81. real*8 top,bot,bots
  82. real*8 br3,br4,temp_l,temp_r,brac_l,brac_r
  83. real*8 aleft, arigh,tcoef,bcoef
  84. real*8 damr_l,damr_r,damu_l,damu_r
  85. real*8 damv_l,damv_r,damp_l,damp_r
  86. real*8 dmlr_l,dmlr_r,dmlu_l,dmlu_r
  87. real*8 dmlv_l,dmlv_r,dmlp_l,dmlp_r
  88. real*8 dmrr_l,dmrr_r,dmru_l,dmru_r
  89. real*8 dmrv_l,dmrv_r,dmrp_l,dmrp_r
  90. real*8 dMpr_l,dMpr_r,dMpu_l,dMpu_r
  91. real*8 dMpv_l,dMpv_r,dMpp_l,dMpp_r
  92. real*8 dMmr_l,dMmr_r,dMmu_l,dMmu_r
  93. real*8 dMmv_l,dMmv_r,dMmp_l,dMmp_r
  94. real*8 dmir_l,dmir_r,dmiu_l,dmiu_r
  95. real*8 dmiv_l,dmiv_r,dmip_l,dmip_r
  96. real*8 d3mr_l,d3mr_r,d3mu_l,d3mu_r
  97. real*8 d3mv_l,d3mv_r,d3mp_l,d3mp_r
  98. real*8 d2mr_l,d2mr_r,d2mu_l,d2mu_r
  99. real*8 d2mv_l,d2mv_r,d2mp_l,d2mp_r
  100. real*8 dPpr_l,dPpr_r,dPpu_l,dPpu_r
  101. real*8 dPpv_l,dPpv_r,dPpp_l,dPpp_r
  102. real*8 dPmr_l,dPmr_r,dPmu_l,dPmu_r
  103. real*8 dPmv_l,dPmv_r,dPmp_l,dPmp_r
  104. real*8 dpir_l,dpir_r,dpiu_l,dpiu_r
  105. real*8 dpiv_l,dpiv_r,dpip_l,dpip_r
  106. real*8 epsil,qq,amw,Mmin1,Mplus1
  107. real*8 fmid,mlw,mrw,termp
  108. real*8 ur_r,ur_l,urm,mhalf,mhalfr
  109. real*8 durr_l,durr_r,duru_l,duru_r
  110. real*8 durv_l,durv_r,durp_l,durp_r
  111. real*8 dmhr_l,dmhr_r,dmhu_l,dmhu_r
  112. real*8 dmhv_l,dmhv_r,dmhp_l,dmhp_r
  113. real*8 dmfr_l,dmfr_r,dmfu_l,dmfu_r
  114. real*8 dmfv_l,dmfv_r,dmfp_l,dmfp_r
  115. real*8 dfm_mf,dfm_mh
  116. real*8 dfmr_l,dfmr_r,dfmu_l,dfmu_r
  117. real*8 dfmv_l,dfmv_r,dfmp_l,dfmp_r
  118. real*8 m1mr_l,m1mr_r,m1mu_l,m1mu_r
  119. real*8 m1mv_l,m1mv_r,m1mp_l,m1mp_r
  120. real*8 m1pr_l,m1pr_r,m1pu_l,m1pu_r
  121. real*8 m1pv_l,m1pv_r,m1pp_l,m1pp_r
  122. real*8 tmpr_l,tmpr_r,tmpu_l,tmpu_r
  123. real*8 tmpv_l,tmpv_r,tmpp_l,tmpp_r
  124. real*8 coef,canc,v_inf
  125. real*8 sr_l,sr_r,su_l,su_r,sv_l,sv_r,sp_l,sp_r
  126. real*8 rum,rumr_l,rumu_l,rumv_l,rump_l
  127. real*8 rumr_r,rumu_r,rumv_r,rump_r
  128. integer i,j,k
  129. parameter(alpha = 0.1875D0, beta = 0.125D0)
  130. parameter(epsil = 1.0d0)
  131. canc=1.0d0
  132. c-------------------------------------------------------------
  133. n_x=nvect(1)
  134. n_y=nvect(2)
  135. t_x=tvect(1)
  136. t_y=tvect(2)
  137. c----------------------------
  138. gm1=ga-1.0d0
  139. c----------------------------
  140. rold_l=wvec_l(1)
  141. uold_l=wvec_l(2)
  142. vold_l=wvec_l(3)
  143. pold_l=wvec_l(4)
  144. c-----------------------
  145. rold_r=wvec_r(1)
  146. uold_r=wvec_r(2)
  147. vold_r=wvec_r(3)
  148. pold_r=wvec_r(4)
  149. c------------------------------------------------------------------
  150. c Computation of the specific total energy on the left and right.
  151. c------------------------------------------------------------------
  152. eold_l=(uold_l*uold_l+vold_l*vold_l)/2.0d0
  153. eold_l=eold_l+pold_l/(gm1*rold_l)
  154. eold_r=(uold_r*uold_r+vold_r*vold_r)/2.0d0
  155. eold_r=eold_r+pold_r/(gm1*rold_r)
  156. c------------------------------------------------------------------
  157. c Computing reference velocity and its derivatives
  158. c------------------------------------------------------------------
  159. aleft=sqrt(ga*pold_l/rold_l)
  160. arigh=sqrt(ga*pold_r/rold_r)
  161. qq=sqrt(uold_l*uold_l+vold_l*vold_l)
  162. if(qq .lt. (epsil*v_inf)) then
  163. ur_l = epsil*v_inf
  164. durr_l=0.0d0
  165. duru_l=0.0d0
  166. durv_l=0.0d0
  167. durp_l=0.0d0
  168. else
  169. ur_l=qq
  170. durr_l=0.0d0
  171. duru_l=uold_l/qq
  172. durv_l=vold_l/qq
  173. durp_l=0.0d0
  174. endif
  175. c-------------------------------
  176. if(ur_l .ge. aleft) then
  177. ur_l=aleft
  178. durr_l=-aleft/(2.0d0*rold_l)
  179. duru_l=0.0d0
  180. durv_l=0.0d0
  181. durp_l=ga/(2.0d0*aleft*rold_l)
  182. endif
  183. c------------------------------------------------------------------
  184. c------------------------------------------------------------------
  185. qq=sqrt(uold_r*uold_r+vold_r*vold_r)
  186. if(qq .lt. (epsil*v_inf)) then
  187. ur_r = epsil*v_inf
  188. durr_r=0.0d0
  189. duru_r=0.0d0
  190. durv_r=0.0d0
  191. durp_r=0.0d0
  192. else
  193. ur_r=qq
  194. durr_r=0.0d0
  195. duru_r=uold_r/qq
  196. durv_r=vold_r/qq
  197. durp_r=0.0d0
  198. endif
  199. c-------------------------
  200. if(ur_r .ge. arigh) then
  201. ur_r=arigh
  202. durr_r=-arigh/(2.0d0*rold_r)
  203. duru_r=0.0d0
  204. durv_r=0.0d0
  205. durp_r=ga/(2.0d0*arigh*rold_r)
  206. endif
  207. c------------------------------------------------------------------
  208. c Reference velocity at the interface is taken as an average
  209. c of the reference velocities of the neighbouring cells
  210. c-------------------------------------------------------------------
  211. urm=0.5d0*(ur_l+ur_r)
  212. durr_l=0.5d0*durr_l
  213. duru_l=0.5d0*duru_l
  214. durv_l=0.5d0*durv_l
  215. durp_l=0.5d0*durp_l
  216. c-------------------------
  217. durr_r=0.5d0*durr_r
  218. duru_r=0.5d0*duru_r
  219. durv_r=0.5d0*durv_r
  220. durp_r=0.5d0*durp_r
  221. c-------------------------------------------------------------------
  222. c Computation of the speed of sound and its derivatives;
  223. c numerical speed of sound at the interface is taken as an average
  224. c of the speeds of sounds of the neighbouring cells
  225. c-------------------------------------------------------------------
  226. am=0.5d0*(aleft+arigh)
  227. c-------------------------------------------------------------------
  228. if(abs(urm/am-1.0d0).le.0.000001d0) then
  229. coef=0.0d0
  230. else
  231. coef=1.0d0
  232. endif
  233. c-------------------------------------------------------------------
  234. damr_r=-arigh/(4.0d0*rold_r)
  235. damu_r=0.0d0
  236. damv_r=0.0d0
  237. damp_r=ga/(4.0d0*arigh*rold_r)
  238. c-----------------------
  239. damr_l=-aleft/(4.0d0*rold_l)
  240. damu_l=0.0d0
  241. damv_l=0.0d0
  242. damp_l=ga/(4.0d0*aleft*rold_l)
  243. c-------------------------------------------------------------------
  244. c Computing numerical Mach number and its derivatives,
  245. c see p.370, under (A1).
  246. c-------------------------------------------------------------------
  247. un_l=uold_l*n_x+vold_l*n_y
  248. un_r=uold_r*n_x+vold_r*n_y
  249. ut_l=uold_l*t_x+vold_l*t_y
  250. ut_r=uold_r*t_x+vold_r*t_y
  251. c-------------------------------------------------------------------
  252. ml=un_l/am
  253. mr=un_r/am
  254. mhalf=0.5d0*(un_l+un_r)/am
  255. c---------------------
  256. top=0.5d0*(un_l+un_r)/(am*am)
  257. dmhr_l=-top*damr_l
  258. dmhu_l=n_x/2.0d0/am-top*damu_l
  259. dmhv_l=n_y/2.0d0/am-top*damv_l
  260. dmhp_l=-top*damp_l
  261. c---------------------
  262. dmhr_r=-top*damr_r
  263. dmhu_r=n_x/2.0d0/am-top*damu_r
  264. dmhv_r=n_y/2.0d0/am-top*damv_r
  265. dmhp_r=-top*damp_r
  266. c--------------------------------
  267. mhalfr=urm/am
  268. c---------------------
  269. top=urm/(am*am)
  270. dmfr_l=durr_l/am-top*damr_l
  271. dmfu_l=duru_l/am-top*damu_l
  272. dmfv_l=durv_l/am-top*damv_l
  273. dmfp_l=durp_l/am-top*damp_l
  274. c---------------------
  275. dmfr_r=durr_r/am-top*damr_r
  276. dmfu_r=duru_r/am-top*damu_r
  277. dmfv_r=durv_r/am-top*damv_r
  278. dmfp_r=durp_r/am-top*damp_r
  279. c-------------------------------------------------------------------
  280. c Scaling function for the speed of sound and its derivatives
  281. c-------------------------------------------------------------------
  282. top=(1.0d0-mhalfr*mhalfr)*(1.0d0-mhalfr*mhalfr)
  283. top=top*mhalf*mhalf+4.0d0*mhalfr*mhalfr
  284. bot=1.0d0+mhalfr*mhalfr
  285. if(abs(canc-0.0d0).lt.0.000001d0) then
  286. fmid=1.0d0
  287. else
  288. fmid=sqrt(top)/bot
  289. endif
  290. c--------------------------
  291. temph=-4.0d0*(1.0d0-mhalfr*mhalfr)*mhalfr
  292. temph=temph*mhalf*mhalf+8.0d0*mhalfr
  293. dfm_mf=temph/(sqrt(top)*2.0d0*bot)
  294. dfm_mf=dfm_mf-sqrt(top)*2.0d0*mhalfr/(bot*bot)
  295. c--------------------------
  296. temph=2.0d0*(1.0d0-mhalfr*mhalfr)*(1.0d0-mhalfr*mhalfr)*mhalf
  297. dfm_mh=temph/(2.0d0*bot*sqrt(top))
  298. c--------------------------
  299. dfmr_l=dfm_mf*dmfr_l+dfm_mh*dmhr_l
  300. dfmu_l=dfm_mf*dmfu_l+dfm_mh*dmhu_l
  301. dfmv_l=dfm_mf*dmfv_l+dfm_mh*dmhv_l
  302. dfmp_l=dfm_mf*dmfp_l+dfm_mh*dmhp_l
  303. c--------------------------
  304. dfmr_r=dfm_mf*dmfr_r+dfm_mh*dmhr_r
  305. dfmu_r=dfm_mf*dmfu_r+dfm_mh*dmhu_r
  306. dfmv_r=dfm_mf*dmfv_r+dfm_mh*dmhv_r
  307. dfmp_r=dfm_mf*dmfp_r+dfm_mh*dmhp_r
  308. c--------------------------
  309. amw=fmid*am
  310. mlw=un_l/amw
  311. mrw=un_r/amw
  312. c--------------------------
  313. damr_l=canc*coef*dfmr_l*am+fmid*damr_l
  314. damu_l=canc*coef*dfmu_l*am+fmid*damu_l
  315. damv_l=canc*coef*dfmv_l*am+fmid*damv_l
  316. damp_l=canc*coef*dfmp_l*am+fmid*damp_l
  317. c--------------------------
  318. damr_r=canc*coef*dfmr_r*am+fmid*damr_r
  319. damu_r=canc*coef*dfmu_r*am+fmid*damu_r
  320. damv_r=canc*coef*dfmv_r*am+fmid*damv_r
  321. damp_r=canc*coef*dfmp_r*am+fmid*damp_r
  322. c-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/
  323. am=amw
  324. c-------------------------------------------------------------------
  325. c Redefinition of the numerical mach numbers
  326. c-------------------------------------------------------------------
  327. if(abs(canc-0.0d0).lt.0.000001d0) then
  328. top=2.0d0
  329. bot=0.0d0
  330. else
  331. top=1.0d0+mhalfr*mhalfr
  332. bot=1.0d0-mhalfr*mhalfr
  333. endif
  334. ml=0.5d0*(top*mlw+bot*mrw)
  335. mr=0.5d0*(top*mrw+bot*mlw)
  336. c-------------------------------------------------------------------
  337. c Mplus and Mmin are calligraphic lettes M+ and M- from the paper,
  338. c see (19a) and (19b), p.367.
  339. c-------------------------------------------------------------------
  340. if(abs(ml) .ge. 1.0d0) then
  341. Mplus=(ml+abs(ml))/2.0d0
  342. else
  343. Mplus=(ml+1.0d0)*(ml+1.0d0)/4.0d0
  344. Mplus=Mplus+beta*(ml*ml-1.0d0)*(ml*ml-1.0d0)
  345. endif
  346. Mplus1=(ml+abs(ml))/2.0d0
  347. c-------------------------------------------------------------------
  348. if(abs(mr) .ge. 1.0d0) then
  349. Mmin=(mr-abs(mr))/2.0d0
  350. else
  351. Mmin=-(mr-1.0d0)*(mr-1.0d0)/4.0d0
  352. Mmin=Mmin-beta*(mr*mr-1.0d0)*(mr*mr-1.0d0)
  353. endif
  354. Mmin1=(mr-abs(mr))/2.0d0
  355. c-------------------------------------------------------------------
  356. c Derivatives of ml and mr with respect to both sets of primitive
  357. c variables: left and right.
  358. c-------------------------------------------------------------------
  359. temp_l=-un_l/(am*am)
  360. temp_r=-un_r/(am*am)
  361. c--------
  362. dmlr_l=temp_l*damr_l
  363. dmlr_r=temp_l*damr_r
  364. dmrr_l=temp_r*damr_l
  365. dmrr_r=temp_r*damr_r
  366. c--------
  367. dmlu_l=n_x/am+temp_l*damu_l
  368. dmlu_r=temp_l*damu_r
  369. dmru_l=temp_r*damu_l
  370. dmru_r=n_x/am+temp_r*damu_r
  371. c--------
  372. dmlv_l=n_y/am+temp_l*damv_l
  373. dmlv_r=temp_l*damv_r
  374. dmrv_l=temp_r*damv_l
  375. dmrv_r=n_y/am+temp_r*damv_r
  376. c--------
  377. dmlp_l=temp_l*damp_l
  378. dmlp_r=temp_l*damp_r
  379. dmrp_l=temp_r*damp_l
  380. dmrp_r=temp_r*damp_r
  381. c-----------------------------
  382. sr_l=dmlr_l
  383. sr_r=dmlr_r
  384. su_l=dmlu_l
  385. su_r=dmlu_r
  386. sv_l=dmlv_l
  387. sv_r=dmlv_r
  388. sp_l=dmlp_l
  389. sp_r=dmlp_r
  390. c-----------------------------------------------------------------
  391. c Redefinition of the derivatives of the ml & mr
  392. c-----------------------------------------------------------------
  393. temp_l=(mlw-mrw)*mhalfr
  394. temp_r=-temp_l
  395. c--------
  396. dmlr_l=0.5d0*(top*dmlr_l+bot*dmrr_l)+canc*coef*temp_l*dmfr_l
  397. dmlu_l=0.5d0*(top*dmlu_l+bot*dmru_l)+canc*coef*temp_l*dmfu_l
  398. dmlv_l=0.5d0*(top*dmlv_l+bot*dmrv_l)+canc*coef*temp_l*dmfv_l
  399. dmlp_l=0.5d0*(top*dmlp_l+bot*dmrp_l)+canc*coef*temp_l*dmfp_l
  400. c--------
  401. dmlr_r=0.5d0*(top*dmlr_r+bot*dmrr_r)+canc*coef*temp_l*dmfr_r
  402. dmlu_r=0.5d0*(top*dmlu_r+bot*dmru_r)+canc*coef*temp_l*dmfu_r
  403. dmlv_r=0.5d0*(top*dmlv_r+bot*dmrv_r)+canc*coef*temp_l*dmfv_r
  404. dmlp_r=0.5d0*(top*dmlp_r+bot*dmrp_r)+canc*coef*temp_l*dmfp_r
  405. c--------
  406. dmrr_l=0.5d0*(top*dmrr_l+bot*sr_l)+canc*coef*temp_r*dmfr_l
  407. dmru_l=0.5d0*(top*dmru_l+bot*su_l)+canc*coef*temp_r*dmfu_l
  408. dmrv_l=0.5d0*(top*dmrv_l+bot*sv_l)+canc*coef*temp_r*dmfv_l
  409. dmrp_l=0.5d0*(top*dmrp_l+bot*sp_l)+canc*coef*temp_r*dmfp_l
  410. c--------
  411. dmrr_r=0.5d0*(top*dmrr_r+bot*sr_r)+canc*coef*temp_r*dmfr_r
  412. dmru_r=0.5d0*(top*dmru_r+bot*su_r)+canc*coef*temp_r*dmfu_r
  413. dmrv_r=0.5d0*(top*dmrv_r+bot*sv_r)+canc*coef*temp_r*dmfv_r
  414. dmrp_r=0.5d0*(top*dmrp_r+bot*sp_r)+canc*coef*temp_r*dmfp_r
  415. c-----------------------------------------------------------
  416. c mmid is m_{1/2} (notation as in the paper, see (13),p.366)
  417. c-----------------------------------------------------------
  418. mmid=Mplus+Mmin
  419. c-----------------------------------------------------------
  420. c Computing the derivatives of M+ and M-
  421. c-----------------------------------------------------------
  422. if(ml .ge. 1.0d0) then
  423. dMpr_l=dmlr_l
  424. dMpu_l=dmlu_l
  425. dMpv_l=dmlv_l
  426. dMpp_l=dmlp_l
  427. c--------------------
  428. dMpr_r=dmlr_r
  429. dMpu_r=dmlu_r
  430. dMpv_r=dmlv_r
  431. dMpp_r=dmlp_r
  432. else
  433. if((ml .gt. -1.0d0) .and. (ml .lt. 1.0d0)) then
  434. temph=(ml+1.0d0)/2.0d0
  435. dMpr_l=(temph+4.0d0*beta*ml*(ml*ml-1.0d0))*dmlr_l
  436. dMpu_l=(temph+4.0d0*beta*ml*(ml*ml-1.0d0))*dmlu_l
  437. dMpv_l=(temph+4.0d0*beta*ml*(ml*ml-1.0d0))*dmlv_l
  438. dMpp_l=(temph+4.0d0*beta*ml*(ml*ml-1.0d0))*dmlp_l
  439. c--------------------
  440. dMpr_r=(temph+4.0d0*beta*ml*(ml*ml-1.0d0))*dmlr_r
  441. dMpu_r=(temph+4.0d0*beta*ml*(ml*ml-1.0d0))*dmlu_r
  442. dMpv_r=(temph+4.0d0*beta*ml*(ml*ml-1.0d0))*dmlv_r
  443. dMpp_r=(temph+4.0d0*beta*ml*(ml*ml-1.0d0))*dmlp_r
  444. else
  445. dMpr_l=0.0d0
  446. dMpu_l=0.0d0
  447. dMpv_l=0.0d0
  448. dMpp_l=0.0d0
  449. c---------------------
  450. dMpr_r=0.0d0
  451. dMpu_r=0.0d0
  452. dMpv_r=0.0d0
  453. dMpp_r=0.0d0
  454. endif
  455. endif
  456. c-----------------------------------------------------------
  457. c addition of low Mach number
  458. c-----------------------------------------------------------
  459. if(ml .ge. 0.0d0) then
  460. m1pr_l=dmlr_l
  461. m1pu_l=dmlu_l
  462. m1pv_l=dmlv_l
  463. m1pp_l=dmlp_l
  464. c---------------------
  465. m1pr_r=dmlr_r
  466. m1pu_r=dmlu_r
  467. m1pv_r=dmlv_r
  468. m1pp_r=dmlp_r
  469. else
  470. m1pr_l=0.0d0
  471. m1pu_l=0.0d0
  472. m1pv_l=0.0d0
  473. m1pp_l=0.0d0
  474. c--------------------
  475. m1pr_r=0.0d0
  476. m1pu_r=0.0d0
  477. m1pv_r=0.0d0
  478. m1pp_r=0.0d0
  479. endif
  480. c-----------------------------------------------------------
  481. if(mr .ge. 1.0d0) then
  482. dMmr_l=0.0d0
  483. dMmu_l=0.0d0
  484. dMmv_l=0.0d0
  485. dMmp_l=0.0d0
  486. c---------------------
  487. dMmr_r=0.0d0
  488. dMmu_r=0.0d0
  489. dMmv_r=0.0d0
  490. dMmp_r=0.0d0
  491. else
  492. if((mr .gt. -1.0d0) .and. (mr .lt. 1.0d0)) then
  493. temph=(-mr+1.0d0)/2.0d0
  494. dMmr_l=(temph-4.0d0*beta*mr*(mr*mr-1.0d0))*dmrr_l
  495. dMmu_l=(temph-4.0d0*beta*mr*(mr*mr-1.0d0))*dmru_l
  496. dMmv_l=(temph-4.0d0*beta*mr*(mr*mr-1.0d0))*dmrv_l
  497. dMmp_l=(temph-4.0d0*beta*mr*(mr*mr-1.0d0))*dmrp_l
  498. c--------------------
  499. dMmr_r=(temph-4.0d0*beta*mr*(mr*mr-1.0d0))*dmrr_r
  500. dMmu_r=(temph-4.0d0*beta*mr*(mr*mr-1.0d0))*dmru_r
  501. dMmv_r=(temph-4.0d0*beta*mr*(mr*mr-1.0d0))*dmrv_r
  502. dMmp_r=(temph-4.0d0*beta*mr*(mr*mr-1.0d0))*dmrp_r
  503. else
  504. dMmr_l=dmrr_l
  505. dMmu_l=dmru_l
  506. dMmv_l=dmrv_l
  507. dMmp_l=dmrp_l
  508. c--------------------
  509. dMmr_r=dmrr_r
  510. dMmu_r=dmru_r
  511. dMmv_r=dmrv_r
  512. dMmp_r=dmrp_r
  513. endif
  514. endif
  515. c-----------------------------------------------------------
  516. c addition of low Mach number
  517. c-----------------------------------------------------------
  518. if(mr .le. 0.0d0) then
  519. m1mr_l=dmrr_l
  520. m1mu_l=dmru_l
  521. m1mv_l=dmrv_l
  522. m1mp_l=dmrp_l
  523. c---------------------
  524. m1mr_r=dmrr_r
  525. m1mu_r=dmru_r
  526. m1mv_r=dmrv_r
  527. m1mp_r=dmrp_r
  528. else
  529. m1mr_l=0.0d0
  530. m1mu_l=0.0d0
  531. m1mv_l=0.0d0
  532. m1mp_l=0.0d0
  533. c--------------------
  534. m1mr_r=0.0d0
  535. m1mu_r=0.0d0
  536. m1mv_r=0.0d0
  537. m1mp_r=0.0d0
  538. endif
  539. c-----------------------------------------------------------------
  540. c computing the derivatives of m_{1/2} (notation as in the paper)
  541. c-----------------------------------------------------------------
  542. dmir_l=dMpr_l+dMmr_l
  543. dmir_r=dMpr_r+dMmr_r
  544. c-------------
  545. dmiu_l=dMpu_l+dMmu_l
  546. dmiu_r=dMpu_r+dMmu_r
  547. c-------------
  548. dmiv_l=dMpv_l+dMmv_l
  549. dmiv_r=dMpv_r+dMmv_r
  550. c-------------
  551. dmip_l=dMpp_l+dMmp_l
  552. dmip_r=dMpp_r+dMmp_r
  553. c----------------------------------------------------------------
  554. c computing the main convective variables and their derivatives
  555. c mpl_m is m^{+}_{1/2} (paper's notation) and
  556. c mmin_m is m^{-}_{1/2} (paper's notation), see (A2) on p.370.
  557. c----------------------------------------------------------------
  558. termp=(Mmin1-Mmin+Mplus-Mplus1)*(1.0d0/(mhalfr*mhalfr)-1.0d0)
  559. termp=termp*(pold_l-pold_r)/(pold_l/rold_l+pold_r/rold_r)
  560. c-------------------------------------------------------------
  561. c derivatives of the termp
  562. c-------------------------------------------------------------
  563. top=(Mmin1-Mmin+Mplus-Mplus1)
  564. bots=1.0d0/(pold_l/rold_l+pold_r/rold_r)
  565. bot=(pold_l-pold_r)*bots
  566. temph=1.0d0/(mhalfr*mhalfr)-1.0d0
  567. c---------------------------
  568. tmpr_l=(m1mr_l-dMmr_l+dMpr_l-m1pr_l)*bot*temph
  569. tmpr_l=tmpr_l-2.0d0*bot*top*dmfr_l/(mhalfr*mhalfr*mhalfr)
  570. tmpr_l=tmpr_l+temph*top*bot*bots*(pold_l/rold_l/rold_l)
  571. c---------------------------
  572. tmpu_l=(m1mu_l-dMmu_l+dMpu_l-m1pu_l)*bot*temph
  573. tmpu_l=tmpu_l-2.0d0*bot*top*dmfu_l/(mhalfr*mhalfr*mhalfr)
  574. c---------------------------
  575. tmpv_l=(m1mv_l-dMmv_l+dMpv_l-m1pv_l)*bot*temph
  576. tmpv_l=tmpv_l-2.0d0*bot*top*dmfv_l/(mhalfr*mhalfr*mhalfr)
  577. c---------------------------
  578. tmpp_l=(m1mp_l-dMmp_l+dMpp_l-m1pp_l)*bot*temph
  579. tmpp_l=tmpp_l-2.0d0*bot*top*dmfp_l/(mhalfr*mhalfr*mhalfr)
  580. tmpp_l=tmpp_l+temph*top*bots*(1.0d0-bot/rold_l)
  581. c------------rrrrrrrr-------
  582. c------------rrrrrrrr-------
  583. tmpr_r=(m1mr_r-dMmr_r+dMpr_r-m1pr_r)*bot*temph
  584. tmpr_r=tmpr_r-2.0d0*bot*top*dmfr_r/(mhalfr*mhalfr*mhalfr)
  585. tmpr_r=tmpr_r+temph*top*bot*bots*(pold_r/rold_r/rold_r)
  586. c---------------------------
  587. tmpu_r=(m1mu_r-dMmu_r+dMpu_r-m1pu_r)*bot*temph
  588. tmpu_r=tmpu_r-2.0d0*bot*top*dmfu_r/(mhalfr*mhalfr*mhalfr)
  589. c---------------------------
  590. tmpv_r=(m1mv_r-dMmv_r+dMpv_r-m1pv_r)*bot*temph
  591. tmpv_r=tmpv_r-2.0d0*bot*top*dmfv_r/(mhalfr*mhalfr*mhalfr)
  592. c---------------------------
  593. tmpp_r=(m1mp_r-dMmp_r+dMpp_r-m1pp_r)*bot*temph
  594. tmpp_r=tmpp_r-2.0d0*bot*top*dmfp_r/(mhalfr*mhalfr*mhalfr)
  595. tmpp_r=tmpp_r-temph*top*bots*(1.0d0+bot/rold_r)
  596. c-------------------------------------------------------------
  597. if(mmid .ge. 0.0d0) then
  598. mpl_m = mmid
  599. d2mr_l=dmir_l
  600. d2mu_l=dmiu_l
  601. d2mv_l=dmiv_l
  602. d2mp_l=dmip_l
  603. c------------
  604. d2mr_r=dmir_r
  605. d2mu_r=dmiu_r
  606. d2mv_r=dmiv_r
  607. d2mp_r=dmip_r
  608. c------------
  609. else
  610. mpl_m = 0.0d0
  611. d2mr_l=0.0d0
  612. d2mu_l=0.0d0
  613. d2mv_l=0.0d0
  614. d2mp_l=0.0d0
  615. c------------
  616. d2mr_r=0.0d0
  617. d2mu_r=0.0d0
  618. d2mv_r=0.0d0
  619. d2mp_r=0.0d0
  620. endif
  621. c---------------------------------------------
  622. cc derivatives for the term termm
  623. cc------------------------------------------------------------------
  624. if(mmid .le. 0.0d0) then
  625. mmin_m = mmid
  626. d3mr_l=dmir_l
  627. d3mu_l=dmiu_l
  628. d3mv_l=dmiv_l
  629. d3mp_l=dmip_l
  630. c------------
  631. d3mr_r=dmir_r
  632. d3mu_r=dmiu_r
  633. d3mv_r=dmiv_r
  634. d3mp_r=dmip_r
  635. c------------
  636. else
  637. mmin_m = 0.0d0
  638. d3mr_l=0.0d0
  639. d3mu_l=0.0d0
  640. d3mv_l=0.0d0
  641. d3mp_l=0.0d0
  642. c------------
  643. d3mr_r=0.0d0
  644. d3mu_r=0.0d0
  645. d3mv_r=0.0d0
  646. d3mp_r=0.0d0
  647. endif
  648. c---------------------------------------------------------------
  649. c Computing the calligraphic P+ and P- with their derivatives,
  650. c see (21a) & (21b) on p.368.
  651. c---------------------------------------------------------------
  652. if(ml .ge. 1.0d0) then
  653. Pplus = 1.0d0
  654. else
  655. if((ml .gt. -1.0d0) .and. (ml .lt. 1.0d0)) then
  656. Pplus=(ml+1.0d0)*(ml+1.0d0)*(2.0d0-ml)/4.0d0
  657. Pplus=Pplus+alpha*ml*(ml*ml-1.0d0)*(ml*ml-1.0d0)
  658. else
  659. Pplus = 0.0d0
  660. endif
  661. endif
  662. c---------------------------------------------------------------
  663. if(mr .ge. 1.0d0) then
  664. Pmin = 0.0d0
  665. else
  666. if((mr .gt. -1.0d0) .and. (mr .lt. 1.0d0)) then
  667. Pmin=(mr-1.0d0)*(mr-1.0d0)*(2.0d0+mr)/4.0d0
  668. Pmin=Pmin-alpha*mr*(mr*mr-1.0d0)*(mr*mr-1.0d0)
  669. else
  670. Pmin = 1.0d0
  671. endif
  672. endif
  673. c---------------------------------------------------------------
  674. brac_l=(ml+1.0d0)*(2.0d0-ml)/2.0d0-(ml+1.0d0)*(ml+1.0d0)/4.0d0
  675. brac_l=brac_l+alpha*(ml*ml-1.0d0)*(ml*ml-1.0d0)
  676. brac_l=brac_l+4.0d0*alpha*ml*ml*(ml*ml-1.0d0)
  677. c--------------
  678. brac_r=(mr-1.0d0)*(2.0d0+mr)/2.0d0+(mr-1.0d0)*(mr-1.0d0)/4.0d0
  679. brac_r=brac_r-alpha*(mr*mr-1.0d0)*(mr*mr-1.0d0)
  680. brac_r=brac_r-4.0d0*alpha*mr*mr*(mr*mr-1.0d0)
  681. c---------------------------------------------------------------
  682. if((ml .gt. -1.0d0) .and. (ml .lt. 1.0d0)) then
  683. dPpr_l=brac_l*dmlr_l
  684. dPpr_r=brac_l*dmlr_r
  685. c------------
  686. dPpu_l=brac_l*dmlu_l
  687. dPpu_r=brac_l*dmlu_r
  688. c------------
  689. dPpv_l=brac_l*dmlv_l
  690. dPpv_r=brac_l*dmlv_r
  691. c------------
  692. dPpp_l=brac_l*dmlp_l
  693. dPpp_r=brac_l*dmlp_r
  694. c------------
  695. else
  696. dPpr_l=0.0d0
  697. dPpr_r=0.0d0
  698. c-----------
  699. dPpu_l=0.0d0
  700. dPpu_r=0.0d0
  701. c-----------
  702. dPpv_l=0.0d0
  703. dPpv_r=0.0d0
  704. c-----------
  705. dPpp_l=0.0d0
  706. dPpp_r=0.0d0
  707. c-----------
  708. endif
  709. c---------------------------------------------------------------
  710. if((mr .gt. -1.0d0) .and. (mr .lt. 1.0d0)) then
  711. dPmr_l=brac_r*dmrr_l
  712. dPmr_r=brac_r*dmrr_r
  713. c------------
  714. dPmu_l=brac_r*dmru_l
  715. dPmu_r=brac_r*dmru_r
  716. c------------
  717. dPmv_l=brac_r*dmrv_l
  718. dPmv_r=brac_r*dmrv_r
  719. c------------
  720. dPmp_l=brac_r*dmrp_l
  721. dPmp_r=brac_r*dmrp_r
  722. c------------
  723. else
  724. dPmr_l=0.0d0
  725. dPmr_r=0.0d0
  726. c-----------
  727. dPmu_l=0.0d0
  728. dPmu_r=0.0d0
  729. c-----------
  730. dPmv_l=0.0d0
  731. dPmv_r=0.0d0
  732. c-----------
  733. dPmp_l=0.0d0
  734. dPmp_r=0.0d0
  735. c-----------
  736. endif
  737. c-------------------------------------------------------------------
  738. c computing pmid -- p_{1/2} and its derivatives, see (20b), p.367.
  739. c-------------------------------------------------------------------
  740. dpir_l=dPpr_l*pold_l+dPmr_l*pold_r
  741. dpiu_l=dPpu_l*pold_l+dPmu_l*pold_r
  742. dpiv_l=dPpv_l*pold_l+dPmv_l*pold_r
  743. dpip_l=dPpp_l*pold_l+Pplus+dPmp_l*pold_r
  744. c----------------------------
  745. dpir_r=dPpr_r*pold_l+dPmr_r*pold_r
  746. dpiu_r=dPpu_r*pold_l+dPmu_r*pold_r
  747. dpiv_r=dPpv_r*pold_l+dPmv_r*pold_r
  748. dpip_r=dPpp_r*pold_l+Pmin+dPmp_r*pold_r
  749. c---------------------------------------------------------------------
  750. c Computation of the mass flux (rho * u)_1/2
  751. c---------------------------------------------------------------
  752. rum=am*(mpl_m*rold_l+mmin_m*rold_r)+canc*am*termp
  753. c-------------------------------------------------------
  754. rumr_l=damr_l*(mpl_m*rold_l+mmin_m*rold_r)+
  755. & am*(d2mr_l*rold_l+mpl_m+d3mr_l*rold_r)
  756. rumr_l=rumr_l+canc*coef*(damr_l*termp+am*tmpr_l)
  757. rumu_l=damu_l*(mpl_m*rold_l+mmin_m*rold_r)+
  758. & am*(d2mu_l*rold_l+d3mu_l*rold_r)
  759. rumu_l=rumu_l+canc*coef*(damu_l*termp+am*tmpu_l)
  760. rumv_l=damv_l*(mpl_m*rold_l+mmin_m*rold_r)+
  761. & am*(d2mv_l*rold_l+d3mv_l*rold_r)
  762. rumv_l=rumv_l+canc*coef*(damv_l*termp+am*tmpv_l)
  763. rump_l=damp_l*(mpl_m*rold_l+mmin_m*rold_r)+
  764. & am*(d2mp_l*rold_l+d3mp_l*rold_r)
  765. rump_l=rump_l+canc*coef*(damp_l*termp+am*tmpp_l)
  766. c-------------------------------------------------
  767. rumr_r=damr_r*(mpl_m*rold_l+mmin_m*rold_r)+
  768. & am*(d2mr_r*rold_l+mmin_m+d3mr_r*rold_r)
  769. rumr_r=rumr_r+canc*coef*(damr_r*termp+am*tmpr_r)
  770. rumu_r=damu_r*(mpl_m*rold_l+mmin_m*rold_r)+
  771. & am*(d2mu_r*rold_l+d3mu_r*rold_r)
  772. rumu_r=rumu_r+canc*coef*(damu_r*termp+am*tmpu_r)
  773. rumv_r=damv_r*(mpl_m*rold_l+mmin_m*rold_r)+
  774. & am*(d2mv_r*rold_l+d3mv_r*rold_r)
  775. rumv_r=rumv_r+canc*coef*(damv_r*termp+am*tmpv_r)
  776. rump_r=damp_r*(mpl_m*rold_l+mmin_m*rold_r)+
  777. & am*(d2mp_r*rold_l+d3mp_r*rold_r)
  778. rump_r=rump_r+canc*coef*(damp_r*termp+am*tmpp_r)
  779. c---------------------------------------------------------------------
  780. c computing JACOBIAN as a derivative of the numerical flux function
  781. c with respect to the primitive variables.
  782. c Notation: jl(i,j) --- is the derivative of the i-component of the
  783. c flux function with respect to the j-component of the
  784. c vector of primitive variables of the left state.
  785. c jr(i,j) --- is the derivative of the i-component of the
  786. c flux function with respect to the j-component of the
  787. c vector of primitive variables of the right state.
  788. c---------------------------------------------------------------------
  789. jl(1,1)=0.0d0
  790. jl(1,2)=0.0d0
  791. jl(1,3)=0.0d0
  792. jl(1,4)=0.0d0
  793. c------------------------------------
  794. jr(1,1)=0.0d0
  795. jr(1,2)=0.0d0
  796. jr(1,3)=0.0d0
  797. jr(1,4)=0.0d0
  798. c------------------------------------
  799. c---------------------------------------------------------
  800. if(rum .ge. 0.0d0) then
  801. br3=rumr_l*un_l
  802. br4=rumr_l*ut_l
  803. else
  804. br3=rumr_l*un_r
  805. br4=rumr_l*ut_r
  806. endif
  807. jl(2,1)=n_x*(br3+dpir_l)+br4*t_x
  808. jl(3,1)=n_y*(br3+dpir_l)+br4*t_y
  809. c-------------------
  810. if(rum .ge. 0.0d0) then
  811. br3=rumu_l*un_l+rum*n_x
  812. br4=rumu_l*ut_l+rum*t_x
  813. else
  814. br3=rumu_l*un_r
  815. br4=rumu_l*ut_r
  816. endif
  817. jl(2,2)=n_x*(br3+dpiu_l)+br4*t_x
  818. jl(3,2)=n_y*(br3+dpiu_l)+br4*t_y
  819. c-------------------
  820. if(rum .ge. 0.0d0) then
  821. br3=rumv_l*un_l+rum*n_y
  822. br4=rumv_l*ut_l+rum*t_y
  823. else
  824. br3=rumv_l*un_r
  825. br4=rumv_l*ut_r
  826. endif
  827. jl(2,3)=n_x*(br3+dpiv_l)+br4*t_x
  828. jl(3,3)=n_y*(br3+dpiv_l)+br4*t_y
  829. c-------------------
  830. if(rum .ge. 0.0d0) then
  831. br3=rump_l*un_l
  832. br4=rump_l*ut_l
  833. else
  834. br3=rump_l*un_r
  835. br4=rump_l*ut_r
  836. endif
  837. jl(2,4)=n_x*(br3+dpip_l)+br4*t_x
  838. jl(3,4)=n_y*(br3+dpip_l)+br4*t_y
  839. c-------------------------------------------------------------
  840. c-------------------------------------------------------------
  841. if(rum .ge. 0.0d0) then
  842. br3=rumr_r*un_l
  843. br4=rumr_r*ut_l
  844. else
  845. br3=rumr_r*un_r
  846. br4=rumr_r*ut_r
  847. endif
  848. jr(2,1)=n_x*(br3+dpir_r)+br4*t_x
  849. jr(3,1)=n_y*(br3+dpir_r)+br4*t_y
  850. c-------------------
  851. if(rum .ge. 0.0d0) then
  852. br3=rumu_r*un_l
  853. br4=rumu_r*ut_l
  854. else
  855. br3=rumu_r*un_r+rum*n_x
  856. br4=rumu_r*ut_r+rum*t_x
  857. endif
  858. jr(2,2)=n_x*(br3+dpiu_r)+br4*t_x
  859. jr(3,2)=n_y*(br3+dpiu_r)+br4*t_y
  860. c-------------------
  861. if(rum .ge. 0.0d0) then
  862. br3=rumv_r*un_l
  863. br4=rumv_r*ut_l
  864. else
  865. br3=rumv_r*un_r+rum*n_y
  866. br4=rumv_r*ut_r+rum*t_y
  867. endif
  868. jr(2,3)=n_x*(br3+dpiv_r)+br4*t_x
  869. jr(3,3)=n_y*(br3+dpiv_r)+br4*t_y
  870. c-------------------
  871. if(rum .ge. 0.0d0) then
  872. br3=rump_r*un_l
  873. br4=rump_r*ut_l
  874. else
  875. br3=rump_r*un_r
  876. br4=rump_r*ut_r
  877. endif
  878. jr(2,4)=n_x*(br3+dpip_r)+br4*t_x
  879. jr(3,4)=n_y*(br3+dpip_r)+br4*t_y
  880. c-------------------------------------------------------------
  881. c ------ f44444444444444444444444444444 ---------
  882. c-------------------------------------------------------------
  883. jl(4,1)=0.0d0
  884. jl(4,2)=0.0d0
  885. jl(4,3)=0.0d0
  886. jl(4,4)=0.0d0
  887. c----------------------------------------------------------
  888. jr(4,1)=0.0d0
  889. jr(4,2)=0.0d0
  890. jr(4,3)=0.0d0
  891. jr(4,4)=0.0d0
  892. c-------------------------------------------------------------
  893. c matrix wl(i,j) represents the derivative of the i-component
  894. c of the vector of primitive variables of the left state with
  895. c respect to the j-component of the vector of the conservative
  896. c variables of the left state.
  897. c
  898. c Here: (rho, u, v, p) - vector of primitive variables;
  899. c (rho, rho u, rho v, rho e) -- conservative variables.
  900. c-------------------------------------------------------------
  901. wl(1,1)=1.0d0
  902. wl(1,2)=0.0d0
  903. wl(1,3)=0.0d0
  904. wl(1,4)=0.0d0
  905. c------------------------------
  906. wl(2,1)=-uold_l/rold_l
  907. wl(2,2)=1.0d0/rold_l
  908. wl(2,3)=0.0d0
  909. wl(2,4)=0.0d0
  910. c------------------------------
  911. wl(3,1)=-vold_l/rold_l
  912. wl(3,2)=0.0d0
  913. wl(3,3)=1.0d0/rold_l
  914. wl(3,4)=0.0d0
  915. c------------------------------
  916. wl(4,1)=gm1*(uold_l*uold_l+vold_l*vold_l)/2.0d0
  917. wl(4,2)=-uold_l*gm1
  918. wl(4,3)=-vold_l*gm1
  919. wl(4,4)=gm1
  920. c------------------------------
  921. c------------------------------
  922. wr(1,1)=1.0d0
  923. wr(1,2)=0.0d0
  924. wr(1,3)=0.0d0
  925. wr(1,4)=0.0d0
  926. c------------------------------
  927. wr(2,1)=-uold_r/rold_r
  928. wr(2,2)=1.0d0/rold_r
  929. wr(2,3)=0.0d0
  930. wr(2,4)=0.0d0
  931. c------------------------------
  932. wr(3,1)=-vold_r/rold_r
  933. wr(3,2)=0.0d0
  934. wr(3,3)=1.0d0/rold_r
  935. wr(3,4)=0.0d0
  936. c------------------------------
  937. wr(4,1)=gm1*(uold_r*uold_r+vold_r*vold_r)/2.0d0
  938. wr(4,2)=-uold_r*gm1
  939. wr(4,3)=-vold_r*gm1
  940. wr(4,4)=gm1
  941. c----------------------------------------------
  942. do 1 i=1,4
  943. do 2 j=1,4
  944. jtl(i,j)=0.0d0
  945. jtr(i,j)=0.0d0
  946. do 3 k=1,4
  947. jtl(i,j)=jtl(i,j)+jl(i,k)*wl(k,j)
  948. jtr(i,j)=jtr(i,j)+jr(i,k)*wr(k,j)
  949. 3 continue
  950. 2 continue
  951. 1 continue
  952. c----------------------------------------------------------------------
  953. c---------------------------------------------------------------------
  954. tcoef=nvect(1)*tvect(2)+tvect(1)*nvect(2)
  955. bcoef=nvect(1)*tvect(2)-tvect(1)*nvect(2)
  956. c----------------------------------------------------------------------
  957. do 11 i=1,4
  958. jtl(i,1)=jtl(i,1)+jtr(i,1)
  959. jtl(i,2)=jtl(i,2)+jtr(i,2)*(-tcoef/bcoef)+
  960. & jtr(i,3)*2.0d0*nvect(1)*tvect(1)/bcoef
  961. jtl(i,3)=jtl(i,3)+jtr(i,2)*(-2.0d0*nvect(2)*tvect(2)/bcoef)+
  962. & jtr(i,3)*tcoef/bcoef
  963. jtl(i,4)=jtl(i,4)+jtr(i,4)
  964. 11 continue
  965. c----------------------------------------------------------------------
  966. return
  967. end
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