Actual source code: ex2.c
1: static char help[] = "Runaway electron model with Landau collision operator\n\n";
3: #include <petscdmplex.h>
4: #include <petsclandau.h>
5: #include <petscts.h>
6: #include <petscds.h>
7: #include <petscdmcomposite.h>
9: #if defined(PETSC_HAVE_CUDA_NVTX)
10: #if PETSC_PKG_CUDA_VERSION_GE(10, 0, 0)
11: #include <nvtx3/nvToolsExt.h>
12: #else
13: #include <nvToolsExt.h>
14: #endif
15: #endif
17: /* data for runaway electron model */
18: typedef struct REctx_struct {
19: PetscErrorCode (*test)(TS, Vec, PetscInt, PetscReal, PetscBool, LandauCtx *, struct REctx_struct *);
20: PetscErrorCode (*impuritySrcRate)(PetscReal, PetscReal *, LandauCtx *);
21: PetscErrorCode (*E)(Vec, Vec, PetscInt, PetscReal, LandauCtx *, PetscReal *);
22: PetscReal T_cold; /* temperature of newly ionized electrons and impurity ions */
23: PetscReal ion_potential; /* ionization potential of impurity */
24: PetscReal Ne_ion; /* effective number of electrons shed in ioization of impurity */
25: PetscReal Ez_initial;
26: PetscReal L; /* inductance */
27: Vec X_0;
28: PetscInt imp_idx; /* index for impurity ionizing sink */
29: PetscReal pulse_start;
30: PetscReal pulse_width;
31: PetscReal pulse_rate;
32: PetscReal current_rate;
33: PetscInt plotIdx;
34: PetscInt plotStep;
35: PetscInt idx; /* cache */
36: PetscReal j; /* cache */
37: PetscReal plotDt;
38: PetscBool plotting;
39: PetscBool use_spitzer_eta;
40: PetscInt print_period;
41: PetscInt grid_view_idx;
42: } REctx;
44: static const PetscReal kev_joul = 6.241506479963235e+15; /* 1/1000e */
46: #define RE_CUT 3.
47: /* < v, u_re * v * q > */
48: static void f0_j_re(PetscInt dim, PetscInt Nf, PetscInt NfAux, const PetscInt uOff[], const PetscInt uOff_x[], const PetscScalar u[], const PetscScalar u_t[], const PetscScalar u_x[], const PetscInt aOff[], const PetscInt aOff_x[], const PetscScalar a[], const PetscScalar a_t[], const PetscScalar a_x[], PetscReal t, const PetscReal x[], PetscInt numConstants, const PetscScalar constants[], PetscScalar *f0)
49: {
50: PetscReal n_e = PetscRealPart(u[0]);
51: if (dim == 2) {
52: if (x[1] > RE_CUT || x[1] < -RE_CUT) { /* simply a cutoff for REs. v_|| > 3 v(T_e) */
53: *f0 = n_e * 2. * PETSC_PI * x[0] * x[1] * constants[0]; /* n * r * v_|| * q */
54: } else {
55: *f0 = 0;
56: }
57: } else {
58: if (x[2] > RE_CUT || x[2] < -RE_CUT) { /* simply a cutoff for REs. v_|| > 3 v(T_e) */
59: *f0 = n_e * x[2] * constants[0];
60: } else {
61: *f0 = 0;
62: }
63: }
64: }
66: /* sum < v, u*v*q > */
67: static void f0_jz_sum(PetscInt dim, PetscInt Nf, PetscInt NfAux, const PetscInt uOff[], const PetscInt uOff_x[], const PetscScalar u[], const PetscScalar u_t[], const PetscScalar u_x[], const PetscInt aOff[], const PetscInt aOff_x[], const PetscScalar a[], const PetscScalar a_t[], const PetscScalar a_x[], PetscReal t, const PetscReal x[], PetscInt numConstants, const PetscScalar q[], PetscScalar *f0)
68: {
69: PetscInt ii;
70: f0[0] = 0;
71: if (dim == 2) {
72: for (ii = 0; ii < Nf; ii++) f0[0] += u[ii] * 2. * PETSC_PI * x[0] * x[1] * q[ii]; /* n * r * v_|| * q * v_0 */
73: } else {
74: for (ii = 0; ii < Nf; ii++) f0[0] += u[ii] * x[2] * q[ii]; /* n * v_|| * q * v_0 */
75: }
76: }
78: /* < v, n_e > */
79: static void f0_n(PetscInt dim, PetscInt Nf, PetscInt NfAux, const PetscInt uOff[], const PetscInt uOff_x[], const PetscScalar u[], const PetscScalar u_t[], const PetscScalar u_x[], const PetscInt aOff[], const PetscInt aOff_x[], const PetscScalar a[], const PetscScalar a_t[], const PetscScalar a_x[], PetscReal t, const PetscReal x[], PetscInt numConstants, const PetscScalar constants[], PetscScalar *f0)
80: {
81: PetscInt ii = (PetscInt)PetscRealPart(constants[0]);
82: if (dim == 2) f0[0] = 2. * PETSC_PI * x[0] * u[ii];
83: else f0[0] = u[ii];
84: }
86: /* < v, n_e v_|| > */
87: static void f0_vz(PetscInt dim, PetscInt Nf, PetscInt NfAux, const PetscInt uOff[], const PetscInt uOff_x[], const PetscScalar u[], const PetscScalar u_t[], const PetscScalar u_x[], const PetscInt aOff[], const PetscInt aOff_x[], const PetscScalar a[], const PetscScalar a_t[], const PetscScalar a_x[], PetscReal t, const PetscReal x[], PetscInt numConstants, const PetscScalar constants[], PetscScalar *f0)
88: {
89: PetscInt ii = (PetscInt)PetscRealPart(constants[0]);
90: if (dim == 2) f0[0] = u[ii] * 2. * PETSC_PI * x[0] * x[1]; /* n r v_|| */
91: else f0[0] = u[ii] * x[2]; /* n v_|| */
92: }
94: /* < v, n_e (v-shift) > */
95: static void f0_ve_shift(PetscInt dim, PetscInt Nf, PetscInt NfAux, const PetscInt uOff[], const PetscInt uOff_x[], const PetscScalar u[], const PetscScalar u_t[], const PetscScalar u_x[], const PetscInt aOff[], const PetscInt aOff_x[], const PetscScalar a[], const PetscScalar a_t[], const PetscScalar a_x[], PetscReal t, const PetscReal x[], PetscInt numConstants, const PetscScalar constants[], PetscScalar *f0)
96: {
97: PetscReal vz = numConstants > 0 ? PetscRealPart(constants[0]) : 0;
98: if (dim == 2) *f0 = u[0] * 2. * PETSC_PI * x[0] * PetscSqrtReal(x[0] * x[0] + (x[1] - vz) * (x[1] - vz)); /* n r v */
99: else *f0 = u[0] * PetscSqrtReal(x[0] * x[0] + x[1] * x[1] + (x[2] - vz) * (x[2] - vz)); /* n v */
100: }
102: /* CalculateE - Calculate the electric field */
103: /* T -- Electron temperature */
104: /* n -- Electron density */
105: /* lnLambda -- */
106: /* eps0 -- */
107: /* E -- output E, input \hat E */
108: static PetscReal CalculateE(PetscReal Tev, PetscReal n, PetscReal lnLambda, PetscReal eps0, PetscReal *E)
109: {
110: PetscReal c, e, m;
112: PetscFunctionBegin;
113: c = 299792458.0;
114: e = 1.602176e-19;
115: m = 9.10938e-31;
116: if (1) {
117: double Ec, Ehat = *E, betath = PetscSqrtReal(2 * Tev * e / (m * c * c)), j0 = Ehat * 7 / (PetscSqrtReal(2) * 2) * PetscPowReal(betath, 3) * n * e * c;
118: Ec = n * lnLambda * PetscPowReal(e, 3) / (4 * PETSC_PI * PetscPowReal(eps0, 2) * m * c * c);
119: *E = Ec;
120: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "CalculateE j0=%g Ec = %g\n", j0, Ec));
121: } else {
122: PetscReal Ed, vth;
123: vth = PetscSqrtReal(8 * Tev * e / (m * PETSC_PI));
124: Ed = n * lnLambda * PetscPowReal(e, 3) / (4 * PETSC_PI * PetscPowReal(eps0, 2) * m * vth * vth);
125: *E = Ed;
126: }
127: PetscFunctionReturn(PETSC_SUCCESS);
128: }
130: static PetscReal Spitzer(PetscReal m_e, PetscReal e, PetscReal Z, PetscReal epsilon0, PetscReal lnLam, PetscReal kTe_joules)
131: {
132: PetscReal Fz = (1 + 1.198 * Z + 0.222 * Z * Z) / (1 + 2.966 * Z + 0.753 * Z * Z), eta;
133: eta = Fz * 4. / 3. * PetscSqrtReal(2. * PETSC_PI) * Z * PetscSqrtReal(m_e) * PetscSqr(e) * lnLam * PetscPowReal(4 * PETSC_PI * epsilon0, -2.) * PetscPowReal(kTe_joules, -1.5);
134: return eta;
135: }
137: static PetscErrorCode testNone(TS ts, Vec X, PetscInt stepi, PetscReal time, PetscBool islast, LandauCtx *ctx, REctx *rectx)
138: {
139: PetscFunctionBeginUser;
140: PetscFunctionReturn(PETSC_SUCCESS);
141: }
143: static PetscErrorCode testSpitzer(TS ts, Vec X, PetscInt stepi, PetscReal time, PetscBool islast, LandauCtx *ctx, REctx *rectx)
144: {
145: PetscInt nDMs;
146: PetscDS prob;
147: static PetscReal old_ratio = 1e10;
148: TSConvergedReason reason;
149: PetscReal J, J_re, spit_eta, Te_kev = 0, E, ratio, Z, n_e, v, v2;
150: PetscScalar user[2] = {0., ctx->charges[0]}, q[LANDAU_MAX_SPECIES], tt[LANDAU_MAX_SPECIES], vz;
151: PetscReal dt;
152: DM pack, plexe = ctx->plex[0], plexi = (ctx->num_grids == 1) ? NULL : ctx->plex[1];
153: Vec *XsubArray;
155: PetscFunctionBeginUser;
156: PetscCheck(ctx->num_species == 2, PETSC_COMM_SELF, PETSC_ERR_PLIB, "ctx->num_species %" PetscInt_FMT " != 2", ctx->num_species);
157: PetscCall(VecGetDM(X, &pack));
158: PetscCheck(pack, PETSC_COMM_SELF, PETSC_ERR_PLIB, "no DM");
159: PetscCall(DMCompositeGetNumberDM(pack, &nDMs));
160: PetscCheck(nDMs == ctx->num_grids * ctx->batch_sz, PETSC_COMM_SELF, PETSC_ERR_PLIB, "nDMs != ctx->num_grids*ctx->batch_sz %" PetscInt_FMT " != %" PetscInt_FMT, nDMs, ctx->num_grids * ctx->batch_sz);
161: PetscCall(PetscMalloc(sizeof(*XsubArray) * nDMs, &XsubArray));
162: PetscCall(DMCompositeGetAccessArray(pack, X, nDMs, NULL, XsubArray)); // read only
163: PetscCall(TSGetTimeStep(ts, &dt));
164: /* get current for each grid */
165: for (PetscInt ii = 0; ii < ctx->num_species; ii++) q[ii] = ctx->charges[ii];
166: PetscCall(DMGetDS(plexe, &prob));
167: PetscCall(PetscDSSetConstants(prob, 2, &q[0]));
168: PetscCall(PetscDSSetObjective(prob, 0, &f0_jz_sum));
169: PetscCall(DMPlexComputeIntegralFEM(plexe, XsubArray[LAND_PACK_IDX(ctx->batch_view_idx, 0)], tt, NULL));
170: J = -ctx->n_0 * ctx->v_0 * PetscRealPart(tt[0]);
171: if (plexi) { // add first (only) ion
172: PetscCall(DMGetDS(plexi, &prob));
173: PetscCall(PetscDSSetConstants(prob, 1, &q[1]));
174: PetscCall(PetscDSSetObjective(prob, 0, &f0_jz_sum));
175: PetscCall(DMPlexComputeIntegralFEM(plexi, XsubArray[LAND_PACK_IDX(ctx->batch_view_idx, 1)], tt, NULL));
176: J += -ctx->n_0 * ctx->v_0 * PetscRealPart(tt[0]);
177: }
178: /* get N_e */
179: PetscCall(DMGetDS(plexe, &prob));
180: PetscCall(PetscDSSetConstants(prob, 1, user));
181: PetscCall(PetscDSSetObjective(prob, 0, &f0_n));
182: PetscCall(DMPlexComputeIntegralFEM(plexe, XsubArray[LAND_PACK_IDX(ctx->batch_view_idx, 0)], tt, NULL));
183: n_e = PetscRealPart(tt[0]) * ctx->n_0;
184: /* Z */
185: Z = -ctx->charges[1] / ctx->charges[0];
186: /* remove drift */
187: if (0) {
188: user[0] = 0; // electrons
189: PetscCall(DMGetDS(plexe, &prob));
190: PetscCall(PetscDSSetConstants(prob, 1, user));
191: PetscCall(PetscDSSetObjective(prob, 0, &f0_vz));
192: PetscCall(DMPlexComputeIntegralFEM(plexe, XsubArray[LAND_PACK_IDX(ctx->batch_view_idx, 0)], tt, NULL));
193: vz = ctx->n_0 * PetscRealPart(tt[0]) / n_e; /* non-dimensional */
194: } else vz = 0;
195: /* thermal velocity */
196: PetscCall(DMGetDS(plexe, &prob));
197: PetscCall(PetscDSSetConstants(prob, 1, &vz));
198: PetscCall(PetscDSSetObjective(prob, 0, &f0_ve_shift));
199: PetscCall(DMPlexComputeIntegralFEM(plexe, XsubArray[LAND_PACK_IDX(ctx->batch_view_idx, 0)], tt, NULL));
200: v = ctx->n_0 * ctx->v_0 * PetscRealPart(tt[0]) / n_e; /* remove number density to get velocity */
201: v2 = PetscSqr(v); /* use real space: m^2 / s^2 */
202: Te_kev = (v2 * ctx->masses[0] * PETSC_PI / 8) * kev_joul; /* temperature in kev */
203: spit_eta = Spitzer(ctx->masses[0], -ctx->charges[0], Z, ctx->epsilon0, ctx->lambdas[0][1], Te_kev / kev_joul); /* kev --> J (kT) */
204: if (0) {
205: PetscCall(DMGetDS(plexe, &prob));
206: PetscCall(PetscDSSetConstants(prob, 1, q));
207: PetscCall(PetscDSSetObjective(prob, 0, &f0_j_re));
208: PetscCall(DMPlexComputeIntegralFEM(plexe, XsubArray[LAND_PACK_IDX(ctx->batch_view_idx, 0)], tt, NULL));
209: } else tt[0] = 0;
210: J_re = -ctx->n_0 * ctx->v_0 * PetscRealPart(tt[0]);
211: PetscCall(DMCompositeRestoreAccessArray(pack, X, nDMs, NULL, XsubArray)); // read only
212: PetscCall(PetscFree(XsubArray));
214: if (rectx->use_spitzer_eta) {
215: E = ctx->Ez = spit_eta * (rectx->j - J_re);
216: } else {
217: E = ctx->Ez; /* keep real E */
218: rectx->j = J; /* cache */
219: }
221: ratio = E / J / spit_eta;
222: if (stepi > 10 && !rectx->use_spitzer_eta && (old_ratio - ratio < 1.e-6)) {
223: rectx->pulse_start = time + 0.98 * dt;
224: rectx->use_spitzer_eta = PETSC_TRUE;
225: }
226: PetscCall(TSGetConvergedReason(ts, &reason));
227: PetscCall(TSGetConvergedReason(ts, &reason));
228: if (rectx->plotting || stepi == 0 || reason || rectx->pulse_start == time + 0.98 * dt) {
229: PetscCall(PetscPrintf(ctx->comm, "testSpitzer: %4" PetscInt_FMT ") time=%11.4e n_e= %10.3e E= %10.3e J= %10.3e J_re= %10.3e %.3g%% Te_kev= %10.3e Z_eff=%g E/J to eta ratio= %g (diff=%g) %s %s spit_eta=%g\n", stepi, (double)time,
230: (double)(n_e / ctx->n_0), (double)ctx->Ez, (double)J, (double)J_re, (double)(100 * J_re / J), (double)Te_kev, (double)Z, (double)ratio, (double)(old_ratio - ratio), rectx->use_spitzer_eta ? "using Spitzer eta*J E" : "constant E", rectx->pulse_start != time + 0.98 * dt ? "normal" : "transition", (double)spit_eta));
231: PetscCheck(rectx->pulse_start != (time + 0.98 * dt), PETSC_COMM_WORLD, PETSC_ERR_ARG_WRONG, "Spitzer complete ratio=%g", (double)ratio);
232: }
233: old_ratio = ratio;
234: PetscFunctionReturn(PETSC_SUCCESS);
235: }
237: static const double ppp = 2;
238: static void f0_0_diff_lp(PetscInt dim, PetscInt Nf, PetscInt NfAux, const PetscInt uOff[], const PetscInt uOff_x[], const PetscScalar u[], const PetscScalar u_t[], const PetscScalar u_x[], const PetscInt aOff[], const PetscInt aOff_x[], const PetscScalar a[], const PetscScalar a_t[], const PetscScalar a_x[], PetscReal t, const PetscReal x[], PetscInt numConstants, const PetscScalar constants[], PetscScalar *f0)
239: {
240: LandauCtx *ctx = (LandauCtx *)constants;
241: REctx *rectx = (REctx *)ctx->data;
242: PetscInt ii = rectx->idx, i;
243: const PetscReal kT_m = ctx->k * ctx->thermal_temps[ii] / ctx->masses[ii]; /* kT/m */
244: const PetscReal n = ctx->n[ii];
245: PetscReal diff, f_maxwell, v2 = 0, theta = 2 * kT_m / (ctx->v_0 * ctx->v_0); /* theta = 2kT/mc^2 */
246: for (i = 0; i < dim; ++i) v2 += x[i] * x[i];
247: f_maxwell = n * PetscPowReal(PETSC_PI * theta, -1.5) * (PetscExpReal(-v2 / theta));
248: diff = 2. * PETSC_PI * x[0] * (PetscRealPart(u[ii]) - f_maxwell);
249: f0[0] = PetscPowReal(diff, ppp);
250: }
252: static void f0_0_maxwellian_lp(PetscInt dim, PetscInt Nf, PetscInt NfAux, const PetscInt uOff[], const PetscInt uOff_x[], const PetscScalar u[], const PetscScalar u_t[], const PetscScalar u_x[], const PetscInt aOff[], const PetscInt aOff_x[], const PetscScalar a[], const PetscScalar a_t[], const PetscScalar a_x[], PetscReal t, const PetscReal x[], PetscInt numConstants, const PetscScalar constants[], PetscScalar *f0)
253: {
254: LandauCtx *ctx = (LandauCtx *)constants;
255: REctx *rectx = (REctx *)ctx->data;
256: PetscInt ii = rectx->idx, i;
257: const PetscReal kT_m = ctx->k * ctx->thermal_temps[ii] / ctx->masses[ii]; /* kT/m */
258: const PetscReal n = ctx->n[ii];
259: PetscReal f_maxwell, v2 = 0, theta = 2 * kT_m / (ctx->v_0 * ctx->v_0); /* theta = 2kT/mc^2 */
260: for (i = 0; i < dim; ++i) v2 += x[i] * x[i];
261: f_maxwell = 2. * PETSC_PI * x[0] * n * PetscPowReal(PETSC_PI * theta, -1.5) * (PetscExpReal(-v2 / theta));
262: f0[0] = PetscPowReal(f_maxwell, ppp);
263: }
265: static PetscErrorCode testStable(TS ts, Vec X, PetscInt stepi, PetscReal time, PetscBool islast, LandauCtx *ctx, REctx *rectx)
266: {
267: PetscDS prob;
268: Vec X2;
269: PetscReal ediff, idiff = 0, lpm0, lpm1 = 1;
270: PetscScalar tt[LANDAU_MAX_SPECIES];
271: DM dm, plex = ctx->plex[0];
273: PetscFunctionBeginUser;
274: PetscCall(VecGetDM(X, &dm));
275: PetscCall(DMGetDS(plex, &prob));
276: PetscCall(VecDuplicate(X, &X2));
277: PetscCall(VecCopy(X, X2));
278: if (!rectx->X_0) {
279: PetscCall(VecDuplicate(X, &rectx->X_0));
280: PetscCall(VecCopy(X, rectx->X_0));
281: }
282: PetscCall(VecAXPY(X, -1.0, rectx->X_0));
283: PetscCall(PetscDSSetConstants(prob, sizeof(LandauCtx) / sizeof(PetscScalar), (PetscScalar *)ctx));
284: rectx->idx = 0;
285: PetscCall(PetscDSSetObjective(prob, 0, &f0_0_diff_lp));
286: PetscCall(DMPlexComputeIntegralFEM(plex, X2, tt, NULL));
287: ediff = PetscPowReal(PetscRealPart(tt[0]), 1. / ppp);
288: PetscCall(PetscDSSetObjective(prob, 0, &f0_0_maxwellian_lp));
289: PetscCall(DMPlexComputeIntegralFEM(plex, X2, tt, NULL));
290: lpm0 = PetscPowReal(PetscRealPart(tt[0]), 1. / ppp);
291: if (ctx->num_species > 1) {
292: rectx->idx = 1;
293: PetscCall(PetscDSSetObjective(prob, 0, &f0_0_diff_lp));
294: PetscCall(DMPlexComputeIntegralFEM(plex, X2, tt, NULL));
295: idiff = PetscPowReal(PetscRealPart(tt[0]), 1. / ppp);
296: PetscCall(PetscDSSetObjective(prob, 0, &f0_0_maxwellian_lp));
297: PetscCall(DMPlexComputeIntegralFEM(plex, X2, tt, NULL));
298: lpm1 = PetscPowReal(PetscRealPart(tt[0]), 1. / ppp);
299: }
300: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "%s %" PetscInt_FMT ") time=%10.3e n-%d norm electrons/max=%20.13e ions/max=%20.13e\n", "----", stepi, (double)time, (int)ppp, (double)(ediff / lpm0), (double)(idiff / lpm1)));
301: /* view */
302: PetscCall(VecCopy(X2, X));
303: PetscCall(VecDestroy(&X2));
304: if (islast) {
305: PetscCall(VecDestroy(&rectx->X_0));
306: rectx->X_0 = NULL;
307: }
308: PetscFunctionReturn(PETSC_SUCCESS);
309: }
311: static PetscErrorCode EInduction(Vec X, Vec X_t, PetscInt step, PetscReal time, LandauCtx *ctx, PetscReal *a_E)
312: {
313: REctx *rectx = (REctx *)ctx->data;
314: DM dm, plex;
315: PetscScalar tt[LANDAU_MAX_SPECIES], qv0[LANDAU_MAX_SPECIES];
316: PetscReal dJ_dt;
317: PetscDS prob;
319: PetscFunctionBeginUser;
320: for (PetscInt ii = 0; ii < ctx->num_species; ii++) qv0[ii] = ctx->charges[ii] * ctx->v_0;
321: PetscCall(VecGetDM(X, &dm));
322: PetscCall(DMGetDS(dm, &prob));
323: PetscCall(DMConvert(dm, DMPLEX, &plex));
324: /* get d current / dt */
325: PetscCall(PetscDSSetConstants(prob, ctx->num_species, qv0));
326: PetscCall(PetscDSSetObjective(prob, 0, &f0_jz_sum));
327: PetscCheck(X_t, PETSC_COMM_SELF, PETSC_ERR_PLIB, "X_t");
328: PetscCall(DMPlexComputeIntegralFEM(plex, X_t, tt, NULL));
329: dJ_dt = -ctx->n_0 * PetscRealPart(tt[0]) / ctx->t_0;
330: /* E induction */
331: *a_E = -rectx->L * dJ_dt + rectx->Ez_initial;
332: PetscCall(DMDestroy(&plex));
333: PetscFunctionReturn(PETSC_SUCCESS);
334: }
336: static PetscErrorCode EConstant(Vec X, Vec X_t, PetscInt step, PetscReal time, LandauCtx *ctx, PetscReal *a_E)
337: {
338: PetscFunctionBeginUser;
339: *a_E = ctx->Ez;
340: PetscFunctionReturn(PETSC_SUCCESS);
341: }
343: static PetscErrorCode ENone(Vec X, Vec X_t, PetscInt step, PetscReal time, LandauCtx *ctx, PetscReal *a_E)
344: {
345: PetscFunctionBeginUser;
346: *a_E = 0;
347: PetscFunctionReturn(PETSC_SUCCESS);
348: }
350: /* ------------------------------------------------------------------- */
351: /*
352: FormSource - Evaluates source terms F(t).
354: Input Parameters:
355: . ts - the TS context
356: . time -
357: . X_dummmy - input vector
358: . dummy - optional user-defined context, as set by SNESSetFunction()
360: Output Parameter:
361: . F - function vector
362: */
363: static PetscErrorCode FormSource(TS ts, PetscReal ftime, Vec X_dummmy, Vec F, void *dummy)
364: {
365: PetscReal new_imp_rate;
366: LandauCtx *ctx;
367: DM pack;
368: REctx *rectx;
370: PetscFunctionBeginUser;
371: PetscCall(TSGetDM(ts, &pack));
372: PetscCall(DMGetApplicationContext(pack, &ctx));
373: rectx = (REctx *)ctx->data;
374: /* check for impurities */
375: PetscCall(rectx->impuritySrcRate(ftime, &new_imp_rate, ctx));
376: if (new_imp_rate != 0) {
377: if (new_imp_rate != rectx->current_rate) {
378: PetscReal dne_dt, dni_dt, tilda_ns[LANDAU_MAX_SPECIES], temps[LANDAU_MAX_SPECIES];
379: Vec globFarray[LANDAU_MAX_GRIDS * LANDAU_MAX_BATCH_SZ];
380: rectx->current_rate = new_imp_rate;
381: for (PetscInt ii = 1; ii < LANDAU_MAX_SPECIES; ii++) tilda_ns[ii] = 0;
382: for (PetscInt ii = 1; ii < LANDAU_MAX_SPECIES; ii++) temps[ii] = 1;
383: dni_dt = new_imp_rate /* *ctx->t_0 */; /* fully ionized immediately, no normalize, stay in non-dim */
384: dne_dt = new_imp_rate * rectx->Ne_ion /* *ctx->t_0 */;
385: tilda_ns[0] = dne_dt;
386: tilda_ns[rectx->imp_idx] = dni_dt;
387: temps[0] = rectx->T_cold;
388: temps[rectx->imp_idx] = rectx->T_cold;
389: PetscCall(PetscInfo(ctx->plex[0], "\tHave new_imp_rate= %10.3e time= %10.3e de/dt= %10.3e di/dt= %10.3e ***\n", (double)new_imp_rate, (double)ftime, (double)dne_dt, (double)dni_dt));
390: PetscCall(DMCompositeGetAccessArray(pack, F, ctx->num_grids * ctx->batch_sz, NULL, globFarray));
391: for (PetscInt grid = 0; grid < ctx->num_grids; grid++) {
392: /* add it */
393: PetscCall(DMPlexLandauAddMaxwellians(ctx->plex[grid], globFarray[LAND_PACK_IDX(0, grid)], ftime, temps, tilda_ns, grid, 0, 1, ctx));
394: }
395: // Does DMCompositeRestoreAccessArray copy the data back? (no)
396: PetscCall(DMCompositeRestoreAccessArray(pack, F, ctx->num_grids * ctx->batch_sz, NULL, globFarray));
397: }
398: } else {
399: PetscCall(VecZeroEntries(F));
400: rectx->current_rate = 0;
401: }
402: PetscFunctionReturn(PETSC_SUCCESS);
403: }
405: static PetscErrorCode Monitor(TS ts, PetscInt stepi, PetscReal time, Vec X, void *actx)
406: {
407: LandauCtx *ctx = (LandauCtx *)actx; /* user-defined application context */
408: REctx *rectx = (REctx *)ctx->data;
409: DM pack = NULL;
410: Vec globXArray[LANDAU_MAX_GRIDS * LANDAU_MAX_BATCH_SZ];
411: TSConvergedReason reason;
413: PetscFunctionBeginUser;
414: PetscCall(TSGetConvergedReason(ts, &reason));
415: if (rectx->grid_view_idx != -1 || (reason && ctx->verbose > 3)) {
416: PetscCall(VecGetDM(X, &pack));
417: PetscCall(DMCompositeGetAccessArray(pack, X, ctx->num_grids * ctx->batch_sz, NULL, globXArray));
418: }
419: if (stepi > rectx->plotStep && rectx->plotting) {
420: rectx->plotting = PETSC_FALSE; /* was doing diagnostics, now done */
421: rectx->plotIdx++;
422: }
423: /* view */
424: if (time / rectx->plotDt >= (PetscReal)rectx->plotIdx || reason) {
425: if ((reason || stepi == 0 || rectx->plotIdx % rectx->print_period == 0) && ctx->verbose > 1) {
426: /* print norms */
427: PetscCall(DMPlexLandauPrintNorms(X, stepi));
428: }
429: if (!rectx->plotting) { /* first step of possible backtracks */
430: rectx->plotting = PETSC_TRUE;
431: /* diagnostics + change E field with Sptizer (not just a monitor) */
432: PetscCall(rectx->test(ts, X, stepi, time, reason ? PETSC_TRUE : PETSC_FALSE, ctx, rectx));
433: } else {
434: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "\t\t ERROR SKIP test spit ------\n"));
435: rectx->plotting = PETSC_TRUE;
436: }
437: if (rectx->grid_view_idx != -1) {
438: PetscCall(PetscObjectSetName((PetscObject)globXArray[LAND_PACK_IDX(ctx->batch_view_idx, rectx->grid_view_idx)], rectx->grid_view_idx == 0 ? "ue" : "ui"));
439: /* view, overwrite step when back tracked */
440: PetscCall(DMSetOutputSequenceNumber(ctx->plex[rectx->grid_view_idx], rectx->plotIdx, time * ctx->t_0));
441: PetscCall(VecViewFromOptions(globXArray[LAND_PACK_IDX(ctx->batch_view_idx, rectx->grid_view_idx)], NULL, "-ex2_vec_view"));
442: }
443: rectx->plotStep = stepi;
444: } else {
445: if (rectx->plotting) PetscCall(PetscPrintf(PETSC_COMM_WORLD, " ERROR rectx->plotting=%s step %" PetscInt_FMT "\n", PetscBools[rectx->plotting], stepi));
446: /* diagnostics + change E field with Sptizer (not just a monitor) - can we lag this? */
447: PetscCall(rectx->test(ts, X, stepi, time, reason ? PETSC_TRUE : PETSC_FALSE, ctx, rectx));
448: }
449: /* parallel check that only works of all batches are identical */
450: if (reason && ctx->verbose > 3 && ctx->batch_sz > 1) {
451: PetscReal val, rval;
452: PetscMPIInt rank;
453: PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD, &rank));
454: for (PetscInt grid = 0; grid < ctx->num_grids; grid++) {
455: PetscInt nerrors = 0;
456: for (PetscInt i = 0; i < ctx->batch_sz; i++) {
457: PetscCall(VecNorm(globXArray[LAND_PACK_IDX(i, grid)], NORM_2, &val));
458: if (i == 0) rval = val;
459: else if ((val = PetscAbs(val - rval) / rval) > 1000 * PETSC_MACHINE_EPSILON) {
460: PetscCall(PetscPrintf(PETSC_COMM_SELF, " [%d] Warning %" PetscInt_FMT ".%" PetscInt_FMT ") diff = %2.15e\n", rank, grid, i, (double)val));
461: nerrors++;
462: }
463: }
464: if (nerrors) {
465: PetscCall(PetscPrintf(PETSC_COMM_SELF, " ***** [%d] ERROR max %" PetscInt_FMT " errors\n", rank, nerrors));
466: } else {
467: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "[%d] %" PetscInt_FMT ") batch consistency check OK\n", rank, grid));
468: }
469: }
470: }
471: rectx->idx = 0;
472: if (rectx->grid_view_idx != -1 || (reason && ctx->verbose > 3)) PetscCall(DMCompositeRestoreAccessArray(pack, X, ctx->num_grids * ctx->batch_sz, NULL, globXArray));
473: PetscFunctionReturn(PETSC_SUCCESS);
474: }
476: static PetscErrorCode PreStep(TS ts)
477: {
478: LandauCtx *ctx;
479: REctx *rectx;
480: DM dm;
481: PetscInt stepi;
482: PetscReal time;
483: Vec X;
485: PetscFunctionBeginUser;
486: /* not used */
487: PetscCall(TSGetDM(ts, &dm));
488: PetscCall(TSGetTime(ts, &time));
489: PetscCall(TSGetSolution(ts, &X));
490: PetscCall(DMGetApplicationContext(dm, &ctx));
491: rectx = (REctx *)ctx->data;
492: PetscCall(TSGetStepNumber(ts, &stepi));
493: /* update E */
494: PetscCall(rectx->E(X, NULL, stepi, time, ctx, &ctx->Ez));
495: PetscFunctionReturn(PETSC_SUCCESS);
496: }
498: /* model for source of non-ionized impurities, profile provided by model, in du/dt form in normalized units (tricky because n_0 is normalized with electrons) */
499: static PetscErrorCode stepSrc(PetscReal time, PetscReal *rho, LandauCtx *ctx)
500: {
501: REctx *rectx = (REctx *)ctx->data;
503: PetscFunctionBeginUser;
504: if (time >= rectx->pulse_start) *rho = rectx->pulse_rate;
505: else *rho = 0.;
506: PetscFunctionReturn(PETSC_SUCCESS);
507: }
508: static PetscErrorCode zeroSrc(PetscReal time, PetscReal *rho, LandauCtx *ctx)
509: {
510: PetscFunctionBeginUser;
511: *rho = 0.;
512: PetscFunctionReturn(PETSC_SUCCESS);
513: }
515: static PetscErrorCode pulseSrc(PetscReal time, PetscReal *rho, LandauCtx *ctx)
516: {
517: REctx *rectx = (REctx *)ctx->data;
519: PetscFunctionBeginUser;
520: PetscCheck(rectx->pulse_start != PETSC_MAX_REAL, PETSC_COMM_WORLD, PETSC_ERR_ARG_WRONG, "'-ex2_pulse_start_time X' must be used with '-ex2_impurity_source_type pulse'");
521: if (time < rectx->pulse_start || time > rectx->pulse_start + 3 * rectx->pulse_width) *rho = 0;
522: else {
523: double x = PetscSinReal((time - rectx->pulse_start) / (3 * rectx->pulse_width) * 2 * PETSC_PI - PETSC_PI / 2) + 1; /* 0:2, integrates to 1.0 */
524: *rho = rectx->pulse_rate * x / (3 * rectx->pulse_width);
525: if (!rectx->use_spitzer_eta) rectx->use_spitzer_eta = PETSC_TRUE; /* use it next time */
526: }
527: PetscFunctionReturn(PETSC_SUCCESS);
528: }
530: static PetscErrorCode ProcessREOptions(REctx *rectx, const LandauCtx *ctx, DM dm, const char prefix[])
531: {
532: PetscFunctionList plist = NULL, testlist = NULL, elist = NULL;
533: char pname[256], testname[256], ename[256];
534: DM dm_dummy;
535: PetscBool Connor_E = PETSC_FALSE;
537: PetscFunctionBeginUser;
538: PetscCall(DMCreate(PETSC_COMM_WORLD, &dm_dummy));
539: rectx->Ne_ion = 1; /* number of electrons given up by impurity ion */
540: rectx->T_cold = .005; /* kev */
541: rectx->ion_potential = 15; /* ev */
542: rectx->L = 2;
543: rectx->X_0 = NULL;
544: rectx->imp_idx = ctx->num_species - 1; /* default ionized impurity as last one */
545: rectx->pulse_start = PETSC_MAX_REAL;
546: rectx->pulse_width = 1;
547: rectx->plotStep = PETSC_INT_MAX;
548: rectx->pulse_rate = 1.e-1;
549: rectx->current_rate = 0;
550: rectx->plotIdx = 0;
551: rectx->j = 0;
552: rectx->plotDt = 1.0;
553: rectx->plotting = PETSC_FALSE;
554: rectx->use_spitzer_eta = PETSC_FALSE;
555: rectx->idx = 0;
556: rectx->print_period = 10;
557: rectx->grid_view_idx = -1; // do not get if not needed
558: /* Register the available impurity sources */
559: PetscCall(PetscFunctionListAdd(&plist, "step", &stepSrc));
560: PetscCall(PetscFunctionListAdd(&plist, "none", &zeroSrc));
561: PetscCall(PetscFunctionListAdd(&plist, "pulse", &pulseSrc));
562: PetscCall(PetscStrncpy(pname, "none", sizeof(pname)));
563: PetscCall(PetscFunctionListAdd(&testlist, "none", &testNone));
564: PetscCall(PetscFunctionListAdd(&testlist, "spitzer", &testSpitzer));
565: PetscCall(PetscFunctionListAdd(&testlist, "stable", &testStable));
566: PetscCall(PetscStrncpy(testname, "none", sizeof(testname)));
567: PetscCall(PetscFunctionListAdd(&elist, "none", &ENone));
568: PetscCall(PetscFunctionListAdd(&elist, "induction", &EInduction));
569: PetscCall(PetscFunctionListAdd(&elist, "constant", &EConstant));
570: PetscCall(PetscStrncpy(ename, "constant", sizeof(ename)));
572: PetscOptionsBegin(PETSC_COMM_SELF, prefix, "Options for Runaway/seed electron model", "none");
573: PetscCall(PetscOptionsReal("-ex2_plot_dt", "Plotting interval", "ex2.c", rectx->plotDt, &rectx->plotDt, NULL));
574: if (rectx->plotDt < 0) rectx->plotDt = 1e30;
575: if (rectx->plotDt == 0) rectx->plotDt = 1e-30;
576: PetscCall(PetscOptionsInt("-ex2_print_period", "Plotting interval", "ex2.c", rectx->print_period, &rectx->print_period, NULL));
577: PetscCall(PetscOptionsInt("-ex2_grid_view_idx", "grid_view_idx", "ex2.c", rectx->grid_view_idx, &rectx->grid_view_idx, NULL));
578: PetscCheck(rectx->grid_view_idx < ctx->num_grids || rectx->grid_view_idx == -1, PETSC_COMM_WORLD, PETSC_ERR_ARG_WRONG, "rectx->grid_view_idx (%" PetscInt_FMT ") >= ctx->num_grids (%" PetscInt_FMT ")", rectx->imp_idx, ctx->num_grids);
579: PetscCall(PetscOptionsFList("-ex2_impurity_source_type", "Name of impurity source to run", "", plist, pname, pname, sizeof(pname), NULL));
580: PetscCall(PetscOptionsFList("-ex2_test_type", "Name of test to run", "", testlist, testname, testname, sizeof(testname), NULL));
581: PetscCall(PetscOptionsInt("-ex2_impurity_index", "index of sink for impurities", "none", rectx->imp_idx, &rectx->imp_idx, NULL));
582: PetscCheck((rectx->imp_idx < ctx->num_species && rectx->imp_idx >= 1) || ctx->num_species <= 1, PETSC_COMM_WORLD, PETSC_ERR_ARG_WRONG, "index of sink for impurities ions is out of range (%" PetscInt_FMT "), must be > 0 && < NS", rectx->imp_idx);
583: PetscCall(PetscOptionsFList("-ex2_e_field_type", "Electric field type", "", elist, ename, ename, sizeof(ename), NULL));
584: rectx->Ne_ion = -ctx->charges[rectx->imp_idx] / ctx->charges[0];
585: PetscCall(PetscOptionsReal("-ex2_t_cold", "Temperature of cold electron and ions after ionization in keV", "none", rectx->T_cold, &rectx->T_cold, NULL));
586: PetscCall(PetscOptionsReal("-ex2_pulse_start_time", "Time at which pulse happens for 'pulse' source", "none", rectx->pulse_start, &rectx->pulse_start, NULL));
587: PetscCall(PetscOptionsReal("-ex2_pulse_width_time", "Width of pulse 'pulse' source", "none", rectx->pulse_width, &rectx->pulse_width, NULL));
588: PetscCall(PetscOptionsReal("-ex2_pulse_rate", "Number density of pulse for 'pulse' source", "none", rectx->pulse_rate, &rectx->pulse_rate, NULL));
589: rectx->T_cold *= 1.16e7; /* convert to Kelvin */
590: PetscCall(PetscOptionsReal("-ex2_ion_potential", "Potential to ionize impurity (should be array) in ev", "none", rectx->ion_potential, &rectx->ion_potential, NULL));
591: PetscCall(PetscOptionsReal("-ex2_inductance", "Inductance E field", "none", rectx->L, &rectx->L, NULL));
592: PetscCall(PetscOptionsBool("-ex2_connor_e_field_units", "Scale Ex but Connor-Hastie E_c", "none", Connor_E, &Connor_E, NULL));
593: PetscCall(PetscInfo(dm_dummy, "Num electrons from ions=%g, T_cold=%10.3e, ion potential=%10.3e, E_z=%10.3e v_0=%10.3e\n", (double)rectx->Ne_ion, (double)rectx->T_cold, (double)rectx->ion_potential, (double)ctx->Ez, (double)ctx->v_0));
594: PetscOptionsEnd();
595: /* get impurity source rate function */
596: PetscCall(PetscFunctionListFind(plist, pname, &rectx->impuritySrcRate));
597: PetscCheck(rectx->impuritySrcRate, PETSC_COMM_WORLD, PETSC_ERR_ARG_WRONG, "No impurity source function found '%s'", pname);
598: PetscCall(PetscFunctionListFind(testlist, testname, &rectx->test));
599: PetscCheck(rectx->test, PETSC_COMM_WORLD, PETSC_ERR_ARG_WRONG, "No test found '%s'", testname);
600: PetscCall(PetscFunctionListFind(elist, ename, &rectx->E));
601: PetscCheck(rectx->E, PETSC_COMM_WORLD, PETSC_ERR_ARG_WRONG, "No E field function found '%s'", ename);
602: PetscCall(PetscFunctionListDestroy(&plist));
603: PetscCall(PetscFunctionListDestroy(&testlist));
604: PetscCall(PetscFunctionListDestroy(&elist));
606: /* convert E from Connor-Hastie E_c units to real if doing Spitzer E */
607: if (Connor_E) {
608: PetscReal E = ctx->Ez, Tev = ctx->thermal_temps[0] * 8.621738e-5, n = ctx->n_0 * ctx->n[0];
609: CalculateE(Tev, n, ctx->lambdas[0][1], ctx->epsilon0, &E);
610: ((LandauCtx *)ctx)->Ez *= E;
611: }
612: PetscCall(DMDestroy(&dm_dummy));
613: PetscFunctionReturn(PETSC_SUCCESS);
614: }
616: int main(int argc, char **argv)
617: {
618: DM pack;
619: Vec X;
620: PetscInt dim = 2, nDMs;
621: TS ts;
622: Mat J;
623: PetscDS prob;
624: LandauCtx *ctx;
625: REctx *rectx;
626: PetscMPIInt rank;
627: PetscLogStage stage;
629: PetscFunctionBeginUser;
630: PetscCall(PetscInitialize(&argc, &argv, NULL, help));
631: PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD, &rank));
632: if (rank) { /* turn off output stuff for duplicate runs */
633: PetscCall(PetscOptionsClearValue(NULL, "-ex2_dm_view"));
634: PetscCall(PetscOptionsClearValue(NULL, "-ex2_vec_view"));
635: PetscCall(PetscOptionsClearValue(NULL, "-ex2_vec_view_init"));
636: PetscCall(PetscOptionsClearValue(NULL, "-ex2_dm_view_init"));
637: PetscCall(PetscOptionsClearValue(NULL, "-info")); /* this does not work */
638: }
639: PetscCall(PetscOptionsGetInt(NULL, NULL, "-dim", &dim, NULL));
640: /* Create a mesh */
641: PetscCall(DMPlexLandauCreateVelocitySpace(PETSC_COMM_WORLD, dim, "", &X, &J, &pack));
642: PetscCall(DMCompositeGetNumberDM(pack, &nDMs));
643: PetscCall(PetscObjectSetName((PetscObject)J, "Jacobian"));
644: PetscCall(PetscObjectSetName((PetscObject)X, "f"));
645: PetscCall(DMGetApplicationContext(pack, &ctx));
646: PetscCall(DMSetUp(pack));
647: /* context */
648: PetscCall(PetscNew(&rectx));
649: ctx->data = rectx;
650: PetscCall(ProcessREOptions(rectx, ctx, pack, ""));
651: PetscCall(DMGetDS(pack, &prob));
652: if (rectx->grid_view_idx != -1) {
653: Vec *XsubArray = NULL;
654: PetscCall(PetscMalloc(sizeof(*XsubArray) * nDMs, &XsubArray));
655: PetscCall(DMCompositeGetAccessArray(pack, X, nDMs, NULL, XsubArray)); // read only
656: PetscCall(PetscObjectSetName((PetscObject)XsubArray[LAND_PACK_IDX(ctx->batch_view_idx, rectx->grid_view_idx)], rectx->grid_view_idx == 0 ? "ue" : "ui"));
657: PetscCall(DMSetOutputSequenceNumber(ctx->plex[rectx->grid_view_idx], 0, 0.0));
658: PetscCall(DMViewFromOptions(ctx->plex[rectx->grid_view_idx], NULL, "-ex2_dm_view"));
659: PetscCall(DMViewFromOptions(ctx->plex[rectx->grid_view_idx], NULL, "-ex2_dm_view_init"));
660: PetscCall(VecViewFromOptions(XsubArray[LAND_PACK_IDX(ctx->batch_view_idx, rectx->grid_view_idx)], NULL, "-ex2_vec_view")); // initial condition (monitor plots after step)
661: PetscCall(VecViewFromOptions(XsubArray[LAND_PACK_IDX(ctx->batch_view_idx, rectx->grid_view_idx)], NULL, "-ex2_vec_view_init")); // initial condition (monitor plots after step)
662: PetscCall(DMCompositeRestoreAccessArray(pack, X, nDMs, NULL, XsubArray)); // read only
663: PetscCall(PetscFree(XsubArray));
664: }
665: /* Create timestepping solver context */
666: PetscCall(TSCreate(PETSC_COMM_SELF, &ts));
667: PetscCall(TSSetDM(ts, pack));
668: PetscCall(TSSetIFunction(ts, NULL, DMPlexLandauIFunction, NULL));
669: PetscCall(TSSetIJacobian(ts, J, J, DMPlexLandauIJacobian, NULL));
670: PetscCall(TSSetRHSFunction(ts, NULL, FormSource, NULL));
671: PetscCall(TSSetFromOptions(ts));
672: PetscCall(TSSetSolution(ts, X));
673: PetscCall(TSSetApplicationContext(ts, ctx));
674: PetscCall(TSMonitorSet(ts, Monitor, ctx, NULL));
675: PetscCall(TSSetPreStep(ts, PreStep));
676: rectx->Ez_initial = ctx->Ez; /* cache for induction calculation - applied E field */
677: if (1) { /* warm up an test just DMPlexLandauIJacobian */
678: Vec vec;
679: PetscInt nsteps;
680: PetscReal dt;
681: PetscCall(PetscLogStageRegister("Warmup", &stage));
682: PetscCall(PetscLogStagePush(stage));
683: PetscCall(VecDuplicate(X, &vec));
684: PetscCall(VecCopy(X, vec));
685: PetscCall(TSGetMaxSteps(ts, &nsteps));
686: PetscCall(TSGetTimeStep(ts, &dt));
687: PetscCall(TSSetMaxSteps(ts, 1));
688: PetscCall(TSSolve(ts, X));
689: PetscCall(TSSetMaxSteps(ts, nsteps));
690: PetscCall(TSSetStepNumber(ts, 0));
691: PetscCall(TSSetTime(ts, 0));
692: PetscCall(TSSetTimeStep(ts, dt));
693: rectx->plotIdx = 0;
694: rectx->plotting = PETSC_FALSE;
695: PetscCall(PetscLogStagePop());
696: PetscCall(VecCopy(vec, X));
697: PetscCall(VecDestroy(&vec));
698: PetscCall(PetscObjectStateIncrease((PetscObject)ctx->J));
699: }
700: /* go */
701: PetscCall(PetscLogStageRegister("Solve", &stage));
702: ctx->stage = 0; // lets not use this stage
703: PetscCall(PetscLogStagePush(stage));
704: #if defined(PETSC_HAVE_CUDA_NVTX)
705: nvtxRangePushA("ex2-TSSolve-warm");
706: #endif
707: PetscCall(TSSolve(ts, X));
708: #if defined(PETSC_HAVE_CUDA_NVTX)
709: nvtxRangePop();
710: #endif
711: PetscCall(PetscLogStagePop());
712: /* clean up */
713: PetscCall(DMPlexLandauDestroyVelocitySpace(&pack));
714: PetscCall(TSDestroy(&ts));
715: PetscCall(VecDestroy(&X));
716: PetscCall(PetscFree(rectx));
717: PetscCall(PetscFinalize());
718: return 0;
719: }
721: /*TEST
723: testset:
724: requires: p4est !complex double defined(PETSC_USE_DMLANDAU_2D)
725: output_file: output/ex2_0.out
726: args: -dm_landau_num_species_grid 1,1 -dm_landau_Ez 0 -petscspace_degree 3 -petscspace_poly_tensor 1 -dm_landau_type p4est -dm_landau_ion_masses 2 \
727: -dm_landau_ion_charges 1 -dm_landau_thermal_temps 5,5 -dm_landau_n 2,2 -dm_landau_n_0 5e19 -ts_monitor -snes_rtol 1.e-9 -snes_stol 1.e-14 -snes_monitor \
728: -snes_converged_reason -snes_max_it 10 -ts_type arkimex -ts_arkimex_type 1bee -ts_max_snes_failures unlimited -ts_rtol 1e-3 -ts_time_step 1.e-2 -ts_max_time 1 -ts_adapt_clip .5,1.25 -ts_max_steps 2 -ts_adapt_scale_solve_failed 0.75 -ts_adapt_time_step_increase_delay 5 -dm_landau_amr_levels_max 2,2 -dm_landau_amr_re_levels 2 -dm_landau_re_radius 0 -ex2_impurity_source_type pulse -ex2_pulse_start_time 1e-1 -ex2_pulse_width_time 10 -ex2_pulse_rate 1e-2 -ex2_t_cold .05 -ex2_plot_dt 1e-1 -dm_refine 0 -dm_landau_gpu_assembly true -dm_landau_batch_size 2 -dm_landau_verbose 2 -dm_landau_domain_radius 5.,5.
729: test:
730: suffix: cpu
731: args: -dm_landau_device_type cpu -ksp_type bicg -pc_type jacobi
732: test:
733: suffix: kokkos
734: requires: kokkos_kernels !defined(PETSC_HAVE_CUDA_CLANG)
735: args: -dm_landau_device_type kokkos -dm_mat_type aijkokkos -dm_vec_type kokkos -ksp_type bicg -pc_type jacobi
736: test:
737: suffix: kokkos_batch
738: requires: kokkos_kernels
739: args: -dm_landau_device_type kokkos -dm_mat_type aijkokkos -dm_vec_type kokkos -ksp_type preonly -pc_type bjkokkos -pc_bjkokkos_ksp_type bicg -pc_bjkokkos_pc_type jacobi
740: test:
741: suffix: kokkos_batch_tfqmr
742: requires: kokkos_kernels !defined(PETSC_HAVE_CUDA_CLANG)
743: args: -dm_landau_device_type kokkos -dm_mat_type aijkokkos -dm_vec_type kokkos -ksp_type preonly -pc_type bjkokkos -pc_bjkokkos_ksp_type tfqmr -pc_bjkokkos_pc_type jacobi
745: testset:
746: requires: p4est !complex double defined(PETSC_USE_DMLANDAU_2D)
747: output_file: output/ex2_deg4.out
748: args: -dm_landau_num_species_grid 1,1 -dm_landau_Ez 0 -petscspace_degree 4 -petscspace_poly_tensor 1 -dm_landau_type p4est -dm_landau_ion_masses 2 \
749: -dm_landau_ion_charges 1 -dm_landau_thermal_temps 5,5 -dm_landau_n 2,2 -dm_landau_n_0 5e19 -ts_monitor -snes_rtol 1.e-9 -snes_stol 1.e-14 -snes_monitor \
750: -snes_converged_reason -snes_max_it 10 -ts_type arkimex -ts_arkimex_type 1bee -ts_max_snes_failures unlimited -ts_rtol 1e-3 -ts_time_step 1.e-2 -ts_max_time 1 -ts_adapt_clip .5,1.25 -ts_max_steps 2 -ts_adapt_scale_solve_failed 0.75 -ts_adapt_time_step_increase_delay 5 -dm_landau_amr_levels_max 1,2 -dm_landau_amr_re_levels 2 -dm_landau_re_radius 0 -ex2_impurity_source_type pulse -ex2_pulse_start_time 1e-1 -ex2_pulse_width_time 10 -ex2_pulse_rate 1e-2 -ex2_t_cold .05 -ex2_plot_dt 1e-1 -dm_refine 0 -dm_landau_gpu_assembly true -dm_landau_batch_size 2 -dm_landau_verbose 2 -dm_landau_domain_radius 5.,5.
751: test:
752: suffix: cpu_deg4
753: args: -dm_landau_device_type cpu -ksp_type bicg -pc_type jacobi
754: test:
755: suffix: kokkos_deg4
756: requires: kokkos_kernels !defined(PETSC_HAVE_CUDA_CLANG)
757: args: -dm_landau_device_type kokkos -dm_mat_type aijkokkos -dm_vec_type kokkos -ksp_type bicg -pc_type jacobi
759: test:
760: requires: !complex double defined(PETSC_USE_DMLANDAU_2D) !cuda
761: suffix: single
762: nsize: 1
763: args: -dm_refine 2 -dm_landau_num_species_grid 1 -dm_landau_thermal_temps 1 -dm_landau_electron_shift 1.25 -petscspace_degree 3 -snes_converged_reason -ts_type beuler -ts_time_step .1\
764: -ex2_plot_dt .1 -ts_max_steps 1 -ex2_grid_view_idx 0 -ex2_dm_view -snes_rtol 1.e-13 -snes_stol 1.e-13 -dm_landau_verbose 2 -ex2_print_period 1 -ksp_type preonly -pc_type lu -dm_landau_device_type cpu -dm_landau_use_relativistic_corrections
766: testset:
767: requires: !complex double defined(PETSC_USE_DMLANDAU_2D)
768: nsize: 1
769: output_file: output/ex2_simplex.out
770: args: -dim 2 -dm_landau_num_species_grid 1,1 -petscspace_degree 2 -dm_landau_simplex -dm_landau_ion_masses 2 -dm_landau_ion_charges 1 -dm_landau_thermal_temps 2,1 -dm_landau_n 1,1 -snes_rtol 1e-15\
771: -snes_stol 1e-15 -snes_monitor -ts_type beuler -snes_converged_reason -ts_exact_final_time stepover -ts_time_step .1 -ts_max_steps 1 -ts_max_snes_failures unlimited -ksp_type preonly\
772: -pc_type lu -dm_landau_verbose 2 -ex2_grid_view_idx 0 -ex2_dm_view -dm_refine 1 -ksp_type bicg -pc_type jacobi
773: test:
774: suffix: simplex
775: args: -dm_landau_device_type cpu
776: test:
777: suffix: simplexkokkos
778: requires: kokkos_kernels !defined(PETSC_HAVE_CUDA_CLANG) !sycl
779: args: -dm_landau_device_type kokkos -dm_mat_type aijkokkos -dm_vec_type kokkos
781: test:
782: requires: double !defined(PETSC_USE_DMLANDAU_2D)
783: suffix: sphere_3d
784: nsize: 1
785: args: -dim 3 -dm_landau_thermal_temps 2 -ts_type beuler -ts_time_step .1 -ts_max_steps 1 -dm_landau_verbose 2 -ksp_type preonly -pc_type lu -dm_landau_device_type cpu -snes_rtol 1.e-14 -snes_stol 1.e-14 -snes_converged_reason \
786: -dm_landau_sphere -ex2_grid_view_idx 0 -ex2_dm_view -dm_landau_domain_radius 6 -dm_landau_sphere_inner_radius_90degree_scale .35 -petscspace_degree 3 -dm_refine 0 # -ex2_dm_view hdf5:my.hdf5:hdf5_viz -ex2_vec_view hdf5:my.hdf5:hdf5_viz:append
788: TEST*/