Alamo
Roe.H
Go to the documentation of this file.
1//
2// This implements the Riemann Roe solver.
3//
4// Notation and algorithm follow the presentation in Section 5.3.3
5// of *Computational Gasdynamics* by Culbert B. Laney (page 88)
6//
7// This solver uses an optional entropy fix
8// Option 1: chimeracfd method https://chimeracfd.com/programming/gryphon/fluxroe.html
9// Option 2: Eq. 4.3.67 in *Computational Fluid Dynamics for Engineers and Scientists* by Sreenivas Jayanti
10//
11
12#ifndef SOLVER_LOCAL_RIEMANN_ROE_H
13#define SOLVER_LOCAL_RIEMANN_ROE_H
14
15#include "IO/ParmParse.H"
16#include "Solver/Local/Riemann/Riemann.H"
17
18/// A bunch of solvers
19namespace Solver
20{
21/// Local solvers
22namespace Local
23{
24
25namespace Riemann
26{
27
28/// Roe Riemann Solver based on Gas Dynamics - Culbert B. Laney
29class Roe : public Riemann
30{
31public:
32
33
34 static constexpr const char* name = "roe";
35 Roe (IO::ParmParse &pp, std::string name)
36 {pp_queryclass(name,*this);}
37 Roe (IO::ParmParse &pp)
38 {pp_queryclass(*this);}
39 Roe ()
40 {
41 IO::ParmParse pp;
42 pp_queryclass(*this);
43 }
44
45 int verbose = 0;
46 int entropy_fix = 0;
47 int lowmach = 0;
48 Set::Scalar phi = NAN;
49
50 static void Parse(Roe & value, IO::ParmParse & pp)
51 {
52 // enable to dump diagnostic data if the roe solver fails
53 pp.query_default("verbose", value.verbose, 1);
54 // apply entropy fix if tru
55 pp.query_default("entropy_fix", value.entropy_fix, false);
56
57 // Apply the lowmach fix descripte in Rieper 2010
58 // "A low-Mach number fix for Roe’s approximate Riemann solver"
59 pp.query_default("lowmach",value.lowmach,false);
60
61
62 if (value.entropy_fix == 1)
63 Util::Warning(INFO,"The entropy fix is experimental and should be used with caution");
64 else if (value.entropy_fix == 2)
65 Util::Warning(INFO,"The entropy fix is experimental and should be used with caution. Has previously caused errors with FlowDrivenCavity regression test");
66 }
67
68 virtual Flux Solve(State lo, State hi, Model::Gas::Gas& gas, Set::Patch<const Set::Scalar>& X, int i, int j, int k, int side, Set::Scalar small) override
69 {
70 Set::Scalar rho_L = lo.rho , rho_R = hi.rho;
71 Set::Scalar Mn_L = lo.M_normal , Mn_R = hi.M_normal ;
72 Set::Scalar Mt_L = lo.M_tangent , Mt_R = hi.M_tangent ;
73 Set::Scalar E_L = lo.E , E_R = hi.E ;
74
75 // Ensure no negative densities
76 rho_L = std::max(small,rho_L);
77 rho_R = std::max(small,rho_R);
78
79 // STEP 1: Compute fluid primitives
80
81 // This is a modification to Laney allowing for an arbitrary equation of state
82 //////////////////////////////////////////////////////////////////////////////////////////////////
83 Set::Scalar T_L=0, T_R=0, p_L=0, p_R=0, gamma_L=0, gamma_R=0;
84 switch (side) {
85 case 0: // xlo
86 T_L = gas.ComputeT(rho_L, lo.M_normal, lo.M_tangent, E_L, 500.0, X, i-1, j ,k);
87 p_L = gas.ComputeP(rho_L, T_L, X, i-1, j, k);
88 gamma_L = gas.gamma(T_L, X, i-1, j, k);
89 T_R = gas.ComputeT(rho_R, hi.M_normal, hi.M_tangent, E_R, 500.0, X, i, j ,k);
90 p_R = gas.ComputeP(rho_R, T_R, X, i, j, k);
91 gamma_R = gas.gamma(T_R, X, i, j, k);
92 break;
93 case 1: // xhi
94 T_L = gas.ComputeT(rho_L, lo.M_normal, lo.M_tangent, E_L, 500.0, X, i, j ,k);
95 p_L = gas.ComputeP(rho_L, T_L, X, i, j, k);
96 gamma_L = gas.gamma(T_L, X, i, j, k);
97 T_R = gas.ComputeT(rho_R, hi.M_normal, hi.M_tangent, E_R, 500.0, X, i+1, j ,k);
98 p_R = gas.ComputeP(rho_R, T_R, X, i+1, j, k);
99 gamma_R = gas.gamma(T_R, X, i+1, j, k);
100 break;
101 case 2: // ylo
102 T_L = gas.ComputeT(rho_L, lo.M_normal, lo.M_tangent, E_L, 500.0, X, i, j-1 ,k);
103 p_L = gas.ComputeP(rho_L, T_L, X, i, j-1, k);
104 gamma_L = gas.gamma(T_L, X, i, j-1, k);
105 T_R = gas.ComputeT(rho_R, hi.M_normal, hi.M_tangent, E_R, 500.0, X, i, j ,k);
106 p_R = gas.ComputeP(rho_R, T_R, X, i, j, k);
107 gamma_R = gas.gamma(T_R, X, i, j, k);
108 break;
109 case 3: // yhi
110 T_L = gas.ComputeT(rho_L, lo.M_normal, lo.M_tangent, E_L, 500.0, X, i, j ,k);
111 p_L = gas.ComputeP(rho_L, T_L, X, i, j, k);
112 gamma_L = gas.gamma(T_L, X, i, j, k);
113 T_R = gas.ComputeT(rho_R, hi.M_normal, hi.M_tangent, E_R, 500.0, X, i, j+1 ,k);
114 p_R = gas.ComputeP(rho_R, T_R, X, i, j+1, k);
115 gamma_R = gas.gamma(T_R, X, i, j+1, k);
116 break;
117 case 4: // zlo
118 T_L = gas.ComputeT(rho_L, lo.M_normal, lo.M_tangent, E_L, 500.0, X, i, j ,k-1);
119 p_L = gas.ComputeP(rho_L, T_L, X, i, j, k-1);
120 gamma_L = gas.gamma(T_L, X, i, j, k-1);
121 T_R = gas.ComputeT(rho_R, hi.M_normal, hi.M_tangent, E_R, 500.0, X, i, j ,k);
122 p_R = gas.ComputeP(rho_R, T_R, X, i, j, k);
123 gamma_R = gas.gamma(T_R, X, i, j, k);
124 break;
125 case 5: // zhi
126 T_L = gas.ComputeT(rho_L, lo.M_normal, lo.M_tangent, E_L, 500.0, X, i, j ,k);
127 p_L = gas.ComputeP(rho_L, T_L, X, i, j, k);
128 gamma_L = gas.gamma(T_L, X, i, j, k);
129 T_R = gas.ComputeT(rho_R, hi.M_normal, hi.M_tangent, E_R, 500.0, X, i, j ,k+1);
130 p_R = gas.ComputeP(rho_R, T_R, X, i, j, k+1);
131 gamma_R = gas.gamma(T_R, X, i, j, k+1);
132 break;
133 default:
134 Util::Abort(INFO, "Unknown side in Riemann solver, ",side);
135 }
136 //////////////////////////////////////////////////////////////////////////////////////////////////
137
138 Set::Scalar ke_L = 0.5 * (Mn_L * Mn_L /*+ Mt_L * Mt_L*/) / (rho_L+small); // KE per unit volume
139 Set::Scalar ue_L = E_L - ke_L; // IE per unit volume
140 Set::Scalar h_TL = (ke_L + ue_L + p_L) / (rho_L+small); // specific stagnation enthalpy (per unit mass)
141
142 Set::Scalar ke_R = 0.5 * (Mn_R * Mn_R /*+ Mt_R * Mt_R*/) / (rho_R+small);
143 Set::Scalar ue_R = E_R - ke_R;
144 Set::Scalar h_TR = (ke_R + ue_R + p_R) / (rho_R+small);
145
146 Set::Scalar u_L = Mn_L/(rho_L+small), u_R = Mn_R/(rho_R+small);
147 Set::Scalar v_L = Mt_L/(rho_L+small), v_R = Mt_R/(rho_R+small);
148
149 //
150 // STEP 2: Compute Roe-averaged quantities
151 //
152 Set::Scalar rho_RL = std::sqrt(rho_L * rho_R);
153 Set::Scalar u_RL = (std::sqrt(rho_L) * u_L + std::sqrt(rho_R) * u_R ) / (std::sqrt(rho_L) + std::sqrt(rho_R) + small);
154 Set::Scalar h_RL = (std::sqrt(rho_L) * h_TL + std::sqrt(rho_R) * h_TR) / (std::sqrt(rho_L) + std::sqrt(rho_R) + small);
155 // This is not thermodynamically consistent to compute gamma_RL - need to compute a Roe-Average composition, temperature, and then gamma for consistency
156 // But is should be a semi-close appproximation for now.
157 Set::Scalar gamma_RL = (std::sqrt(rho_L) * gamma_L + std::sqrt(rho_R) * gamma_R) / (std::sqrt(rho_L) + std::sqrt(rho_R) + small);
158 Set::Scalar a_RL_sq = std::max(0.0,(gamma_RL - 1.0) * (h_RL - 0.5 * u_RL * u_RL));
159
160#ifdef AMREX_DEBUG
161 if (verbose && ((a_RL_sq<0) || (a_RL_sq!=a_RL_sq)))
162 {
163 Util::Message(INFO, "sound speed ", a_RL_sq);
164
165 Util::Message(INFO, "mixed rho ", lo.rho, " ", hi.rho);
166 Util::Message(INFO, "mixed Mn ", lo.M_normal, " ", hi.M_normal);
167 Util::Message(INFO, "mixed Mt ", lo.M_tangent, " ", hi.M_tangent);
168 Util::Message(INFO, "mixed E ", lo.E, " ", hi.E);
169
170 Util::Message(INFO, "fluid rho ", rho_L, " ", rho_R);
171 Util::Message(INFO, "fluid Mn ", Mn_L, " ", Mn_R);
172 Util::Message(INFO, "fluid Mt ", Mt_L, " ", Mt_R);
173 Util::Message(INFO, "fluid E ", E_L, " ", E_R);
174
175 Util::Message(INFO, "fluid rho ", rho_L, " ", rho_R);
176 Util::Message(INFO, "fluid u ", u_L, " ", u_R);
177 Util::Message(INFO, "fluid v ", v_L, " ", v_R);
178 Util::Message(INFO, "fluid p ", p_L, " ", p_R);
179 }
180 Util::AssertException(INFO,TEST(a_RL_sq==a_RL_sq)," a_RL_sq is nan/inf; (a_RL_sq=", a_RL_sq,")");
181 Util::AssertException(INFO,TEST(a_RL_sq>=0), " a_RL_sq is negative; (a_RL_sq=(",a_RL_sq,")");
182#endif
183
184 Set::Scalar a_RL = std::sqrt(a_RL_sq) + small;
185
186 //
187 // STEP 3: Compute Roe-averaged wave speeds
188 //
189 Set::Scalar lambda1 = u_RL; // 5.53a
190 Set::Scalar lambda2 = u_RL + a_RL; // 5.53b
191 Set::Scalar lambda3 = u_RL - a_RL; // 5.53c
192
193 //
194 // STEP 4: Compute wave strengths
195 //
196 Set::Scalar deltarho= rho_R - rho_L;
197 Set::Scalar deltap = p_R - p_L;
198 Set::Scalar deltau = u_R - u_L;
199
200 if (lowmach)
201 {
202 Set::Scalar v_RL = (std::sqrt(rho_L) * v_L + std::sqrt(rho_R) * v_R ) /
203 (std::sqrt(rho_L) + std::sqrt(rho_R) + small);
204 Set::Scalar Ma = (std::abs(u_RL) + std::abs(v_RL)) / (a_RL + small);
205 Ma = std::min(Ma, 1.0);
206 deltau *= Ma;
207 }
208
209 Set::Scalar deltav1 = deltarho - deltap / (a_RL_sq + small); // 5.54a
210 Set::Scalar deltav2 = deltau + deltap / (rho_RL * a_RL + small); // 5.54b
211 Set::Scalar deltav3 = deltau - deltap / (rho_RL * a_RL + small); // 5.54c
212
213 //
214 // STEP 5: Compute the right eigenvectors
215 //
216 Set::Scalar r11 = 1.0;
217 Set::Scalar r12 = u_RL;
218 Set::Scalar r13 = 0.5*u_RL*u_RL;
219 Set::Scalar r21 = 0.5*rho_RL/a_RL;
220 Set::Scalar r22 = 0.5*rho_RL/a_RL * ( u_RL + a_RL );
221 Set::Scalar r23 = 0.5*rho_RL/a_RL * ( h_RL + a_RL*u_RL );
222 Set::Scalar r31 = -0.5*rho_RL/a_RL;
223 Set::Scalar r32 = -0.5*rho_RL/a_RL * ( u_RL - a_RL );
224 Set::Scalar r33 = -0.5*rho_RL/a_RL * ( h_RL - a_RL*u_RL );
225
226 //
227 // STEP 6: Compute solution - not needed since fluxes will be computed in STEP 7
228 //
229
230 //
231 // ROE ENTROPY FIX (Source cited in header comments)
232 //
233 if (entropy_fix == 1) { // chimeracfd
234 lambda1 = fabs(lambda1);
235 lambda2 = fabs(lambda2);
236 lambda3 = fabs(lambda3);
237 if ( lambda1 < deltau ) lambda1 = 0.5*(lambda1*lambda1 + deltau*deltau)/deltau;
238 if ( lambda2 < deltau ) lambda2 = 0.5*(lambda2*lambda2 + deltau*deltau)/deltau;
239 if ( lambda3 < deltau ) lambda3 = 0.5*(lambda3*lambda3 + deltau*deltau)/deltau;
240 }
241 else if (entropy_fix == 2) { // Jayanti
242 Set::Scalar a_L = std::sqrt(gamma_L * p_L / (rho_L + small)); // sound speed
243 Set::Scalar a_R = std::sqrt(gamma_R * p_R / (rho_R + small));
244 Set::Scalar lambda1_L = u_L; Set::Scalar lambda1_R = u_R; // eigenvalues
245 Set::Scalar lambda2_L = u_L + a_L; Set::Scalar lambda2_R = u_R + a_R;
246 Set::Scalar lambda3_L = u_L - a_L; Set::Scalar lambda3_R = u_R - a_R;
247 Set::Scalar fix1 = std::max(0.0, std::max(lambda1 - lambda1_L, lambda1_R - lambda1));
248 Set::Scalar fix2 = std::max(0.0, std::max(lambda2 - lambda2_L, lambda2_R - lambda2));
249 Set::Scalar fix3 = std::max(0.0, std::max(lambda3 - lambda3_L, lambda3_R - lambda3));
250 if ( lambda1 < fix1 ) lambda1 = fix1;
251 if ( lambda2 < fix2 ) lambda2 = fix2;
252 if ( lambda3 < fix3 ) lambda3 = fix3;
253 }
254
255 //
256 // STEP 7: Compute fluxes
257 //
258 Flux fl;
259
260 fl.mass = (0.5*(rho_L*u_L + rho_R*u_R) - 0.5*(
261 r11*fabs(lambda1)*deltav1 +
262 r21*fabs(lambda2)*deltav2 +
263 r31*fabs(lambda3)*deltav3)
264 );
265
266 if (fl.mass != fl.mass)
267 {
268 if (verbose)
269 {
270 Util::ParallelMessage(INFO,"hi ", hi);
271 Util::ParallelMessage(INFO,"lo ", lo);
272 Util::ParallelMessage(INFO,"rho_R ", rho_R);
273 Util::ParallelMessage(INFO,"rho_L ", rho_L);
274 Util::ParallelMessage(INFO,"rho_RL ", rho_RL);
275 Util::ParallelMessage(INFO,"u_R ", u_R);
276 Util::ParallelMessage(INFO,"u_L ", u_L);
277 Util::ParallelMessage(INFO,"u_RL ", u_RL);
278 Util::ParallelMessage(INFO,"a_RL ", a_RL);
279 Util::ParallelMessage(INFO,"lambda1 ", lambda1);
280 Util::ParallelMessage(INFO,"lambda2 ", lambda2);
281 Util::ParallelMessage(INFO,"lambda3 ", lambda3);
282 Util::ParallelMessage(INFO,"deltav1 ", deltav1);
283 Util::ParallelMessage(INFO,"deltav2 ", deltav2);
284 Util::ParallelMessage(INFO,"deltav3 ", deltav3);
285 }
286 Util::Exception(INFO);
287 }
288
289
290 fl.momentum_normal = ( 0.5*(rho_L*u_L*u_L + p_L + rho_R*u_R*u_R + p_R) - 0.5*(
291 r12*fabs(lambda1)*deltav1 +
292 r22*fabs(lambda2)*deltav2 +
293 r32*fabs(lambda3)*deltav3)
294 );
295
296
297 fl.energy = ( 0.5*(u_L*(ke_L + p_L + ue_L) + u_R*(ke_R + p_R + ue_R)) - 0.5*
298 (
299 r13*fabs(lambda1)*deltav1 +
300 r23*fabs(lambda2)*deltav2 +
301 r33*fabs(lambda3)*deltav3)
302 );
303
304 //
305 // (Update the tangential momentum flux)
306 //
307 fl.momentum_tangent = 0.5 * (rho_L * u_L * v_L + rho_R * u_R * v_R);
308
309 return fl;
310 }
311
312
313 //static int Test()
314 //{
315 // Roe solver;
316 //
317
318 // int failed = 0;
319
320 // Set::Scalar gamma = 1.4;
321 // Set::Scalar pref = 10.0;
322 // Set::Scalar small = 1E-10;
323
324 // // Test 1: Tangential Velocity Difference - No Normal Flux
325 // try {
326 // State left (1.0, 1.0, 0.0, 1.0);
327 // State center(1.0, 1.0, 1.0, 1.0);
328 // State right (1.0, 1.0, 2.0, 1.0);
329 // Flux fluxlo = solver.Solve(center, right, gamma, pref, small);
330 // Flux fluxhi = solver.Solve(left, center, gamma, pref, small);
331
332 // if (fabs(fluxhi.mass - fluxlo.mass) > 1E-10
333 // || fabs(fluxhi.momentum_normal - fluxlo.momentum_normal) > 1E-10
334 // || fabs(fluxhi.energy - fluxlo.energy) > 1E-10) {
335 // Util::Warning(INFO, "left: ",left);
336 // Util::Warning(INFO, "center: ",center);
337 // Util::Warning(INFO, "right: ",right);
338 // Util::Warning(INFO, "Fluxlo: ",fluxlo);
339 // Util::Warning(INFO, "Fluxhi: ",fluxhi);
340 // Util::Exception(INFO, "Tangential velocity difference incorrectly affecting normal flux.");
341 // }
342 // Util::Test::SubMessage("Test 1: Tangential velocity should induce no normal flux",0);
343 // } catch (const std::runtime_error& e)
344 // {
345 // failed++;
346 // Util::Test::SubMessage("Test 1: Tangential velocity should induce no normal flux",1);
347 // }
348
349 // // Test 2: Pure Transverse Velocity Difference
350 // try {
351 // State left (1.0, 0.0, 0.0, 1.0);
352 // State center(1.0, 0.0, 1.0, 1.0);
353 // State right (1.0, 0.0, 2.0, 1.0);
354 // Flux fluxlo = solver.Solve(left, center, gamma, pref, small);
355 // Flux fluxhi = solver.Solve(center, right, gamma, pref, small);
356 // if (fabs(fluxhi.mass - fluxlo.mass) > 1E-10
357 // || fabs(fluxhi.momentum_normal - fluxlo.momentum_normal) > 1E-10
358 // || fabs(fluxhi.energy - fluxlo.energy) > 1E-10) {
359 // Util::Warning(INFO, "left: ",left);
360 // Util::Warning(INFO, "center: ",center);
361 // Util::Warning(INFO, "right: ",right);
362 // Util::Warning(INFO, "Fluxhi: ",fluxhi);
363 // Util::Warning(INFO, "Fluxlo: ",fluxlo);
364 // Util::Exception(INFO, "Pure transverse velocity difference affecting normal flux.");
365 // }
366 // Util::Test::SubMessage("Test 2: Pure transverse velocity difference",0);
367 // } catch (const std::runtime_error& e)
368 // {
369 // failed++;
370 // Util::Test::SubMessage("Test 2: Pure transverse velocity difference",1);
371 // }
372
373 // // Test 3: Symmetry Test (no flux across identical states)
374 // try {
375 // State left(1.0, 0.0, 0.0, 1.0);
376 // State center(1.0, 0.0, 0.0, 1.0);
377 // State right(1.0, 0.0, 0.0, 1.0);
378 // Flux fluxhi = solver.Solve(center, right, gamma, pref, small);
379 // Flux fluxlo = solver.Solve(left, center, gamma, pref, small);
380 // if (fabs(fluxhi.mass - fluxlo.mass) > 1E-10 // no change in mass flux
381 // || fabs(fluxhi.momentum_normal - fluxlo.momentum_normal) > 1E-10 // no change in momentum flux
382 // || fabs(fluxhi.momentum_tangent) > 1E-10 // zero tangent flux
383 // || fabs(fluxlo.momentum_tangent) > 1E-10 // zero tangent flux
384 // || fabs(fluxhi.energy-fluxlo.energy) > 1E-10 // no change in energy flux
385 // ) {
386 // Util::Warning(INFO, "left: ",left);
387 // Util::Warning(INFO, "right: ",right);
388 // Util::Warning(INFO, "Fluxhi: ",fluxhi);
389 // Util::Warning(INFO, "Fluxlo: ",fluxlo);
390 // Util::Exception(INFO, "Symmetric states should result in zero flux.");
391 // }
392 // Util::Test::SubMessage("Test 3: Constant states induces no flux difference",0);
393 // } catch (const std::runtime_error& e)
394 // {
395 // failed++;
396 // Util::Test::SubMessage("Test 3: Constant states induces no flux difference",1);
397 // }
398
399 // // Test 4: Uniform Flow Test (no flux across uniform flow)
400 // try {
401 // State left (1.0, 1.0, 0.5, 1.0);
402 // State center(1.0, 1.0, 0.5, 1.0);
403 // State right (1.0, 1.0, 0.5, 1.0);
404 // Flux fluxhi = solver.Solve(center, right, gamma, pref, small);
405 // Flux fluxlo = solver.Solve(left, center, gamma, pref, small);
406 // if (fabs(fluxhi.mass - fluxlo.mass) > 1E-10 ||
407 // fabs(fluxhi.momentum_normal - fluxlo.momentum_normal) > 1E-10 ||
408 // fabs(fluxhi.energy - fluxlo.energy) > 1E-10) {
409 // Util::Warning(INFO, "left: ",left);
410 // Util::Warning(INFO, "center: ",center);
411 // Util::Warning(INFO, "right: ",right);
412 // Util::Warning(INFO, "Fluxlo: ",fluxlo);
413 // Util::Warning(INFO, "Fluxhi: ",fluxhi);
414 // Util::Exception(INFO, "Uniform flow should result in no flux.");
415 // }
416 // Util::Test::SubMessage("Test 4: Uniform flow should maintain constant flux",0);
417 // } catch (const std::runtime_error& e)
418 // {
419 // failed++;
420 // Util::Test::SubMessage("Test 4: Uniform flow should maintain constant flux",1);
421 // }
422
423 // return failed;
424 //}
425};
426}
427}
428}
429
430#endif
X
#define X(name)
pp_queryclass
#define pp_queryclass(...)
Definition ParmParse.H:109
TEST
#define TEST(x)
Definition Util.H:25
INFO
#define INFO
Definition Util.H:24
IO::ParmParse::query_default
int query_default(std::string name, T &value, T defaultvalue)
Definition ParmParse.H:293
Model::Gas::Gas::ComputeP
double ComputeP(double density, double T, Set::Patch< const Set::Scalar > &X, int i, int j, int k) const
Definition Gas.cpp:66
Model::Gas::Gas::ComputeT
double ComputeT(double density, double momentumx, double momentumy, double E, double Tguess, Set::Patch< const Set::Scalar > &X, int i, int j, int k, double rtol=1e-12) const
Definition Gas.cpp:52
Model::Gas::Gas::gamma
double gamma(double T, Set::Patch< const Set::Scalar > &X, int i, int j, int k) const
Definition Gas.H:129
Solver::Local::Riemann::Roe
Roe Riemann Solver based on Gas Dynamics - Culbert B. Laney.
Definition Roe.H:30
Solver::Local::Riemann::Roe::Roe
Roe(IO::ParmParse &pp)
Definition Roe.H:37
Solver::Local::Riemann::Roe::Parse
static void Parse(Roe &value, IO::ParmParse &pp)
Definition Roe.H:50
Solver::Local::Riemann::Roe::Roe
Roe(IO::ParmParse &pp, std::string name)
Definition Roe.H:35
Solver::Local::Riemann::Roe::name
static constexpr const char * name
Definition Roe.H:34
Solver::Local::Riemann::Roe::Solve
virtual Flux Solve(State lo, State hi, Model::Gas::Gas &gas, Set::Patch< const Set::Scalar > &X, int i, int j, int k, int side, Set::Scalar small) override
Definition Roe.H:68
Set::Scalar
amrex::Real Scalar
Definition Base.H:18
Set::Vector
Eigen::Matrix< amrex::Real, AMREX_SPACEDIM, 1 > Vector
Definition Base.H:19
Solver
A bunch of solvers.
Definition CG.H:6
Util::ParallelMessage
void ParallelMessage(std::string file, std::string func, int line, Args const &... args)
Definition Util.H:185
Util::AssertException
AMREX_FORCE_INLINE void AssertException(std::string file, std::string func, int line, std::string smt, bool pass, Args const &... args)
Definition Util.H:254
Util::Abort
void Abort(const char *msg)
Definition Util.cpp:268
Util::Warning
void Warning(std::string file, std::string func, int line, Args const &... args)
Definition Util.H:202
Util::Message
void Message(std::string file, std::string func, int line, Args const &... args)
Definition Util.H:129
Util::Exception
void Exception(std::string file, std::string func, int line, Args const &... args)
Definition Util.H:226
Solver::Local::Riemann::Flux::momentum_normal
Set::Scalar momentum_normal
Definition Riemann.H:94
Solver::Local::Riemann::Flux::momentum_tangent
Set::Scalar momentum_tangent
Definition Riemann.H:95
Generated by doxygen 1.9.8