1111
1212% ------------- DIRECT, ADJOINT, AND LINEARIZED PROBLEM DEFINITION ------------%
1313%
14- % Physical governing equations (EULER, NAVIER_STOKES,
15- % WAVE_EQUATION, HEAT_EQUATION, FEM_ELASTICITY,
16- % POISSON_EQUATION)
1714SOLVER = EULER
18- %
19- % Mathematical problem (DIRECT, CONTINUOUS_ADJOINT)
2015MATH_PROBLEM = DIRECT
21- %
22- % Read binary restart files (YES, NO)
2316READ_BINARY_RESTART = NO
24- %
25- %
17+
2618% -------------------- COMPRESSIBLE FREE-STREAM DEFINITION --------------------%
2719%
28- % Mach number (non-dimensional, based on the free-stream values)
2920MACH_NUMBER = 0.85
30- %
31- % Angle of attack (degrees, only for compressible flows)
3221AOA = 1.0
33- %
34- % Free-stream pressure (101325.0 N/m^2, 2116.216 psf by default)
3522FREESTREAM_PRESSURE = 101325.0
36- %
37- % Free-stream temperature (288.15 K, 518.67 R by default)
3823FREESTREAM_TEMPERATURE = 288.15
3924
4025% ---------------------- REFERENCE VALUE DEFINITION ---------------------------%
4126%
42- % Reference origin for moment computation (m or in)
4327REF_ORIGIN_MOMENT_X = -0.5
4428REF_ORIGIN_MOMENT_Y = 0.00
4529REF_ORIGIN_MOMENT_Z = 0.00
46- %
47- % Reference length for pitching, rolling, and yawing non-dimensional
48- % moment (m or in)
4930REF_LENGTH = 1.0
50- %
51- % Reference area for force coefficients (0 implies automatic
52- % calculation) (m^2 or in^2)
5331REF_AREA = 1.0
54- %
55- % Flow non-dimensionalization (DIMENSIONAL, FREESTREAM_PRESS_EQ_ONE,
56- % FREESTREAM_VEL_EQ_MACH, FREESTREAM_VEL_EQ_ONE)
5732REF_DIMENSIONALIZATION = DIMENSIONAL
5833
5934% ------------------------- UNSTEADY SIMULATION -------------------------------%
6035%
61- % Time domain
6236TIME_DOMAIN =YES
63- %
64- % Unsteady simulation (NO, TIME_STEPPING, DUAL_TIME_STEPPING-1ST_ORDER,
65- % DUAL_TIME_STEPPING-2ND_ORDER, SPECTRAL_METHOD)
6637TIME_MARCHING = DUAL_TIME_STEPPING-2ND_ORDER
67- %
68- % Time Step for dual time stepping simulations (s)
6938TIME_STEP = 0.00174532925199
70- % 36 steps per period, based on the pitch natural frequency
71- %
72- % Total Physical Time for dual time stepping simulations (s)
7339MAX_TIME = 50.0
74- %
75- % Number of internal iterations (dual time method)
7640INNER_ITER = 100
7741
7842% ----------------------- DYNAMIC MESH DEFINITION -----------------------------%
79- SURFACE_MOVEMENT = AEROELASTIC
8043%
81- % Motion mach number (non-dimensional). Used for initializing a viscous flow
82- % with the Reynolds number and for computing force coeffs. with dynamic meshes.
44+ SURFACE_MOVEMENT = AEROELASTIC
8345MACH_MOTION = 0.85
84- %
85- % Moving wall boundary marker(s) (NONE = no marker, ignored for RIGID_MOTION)
8646MARKER_MOVING = ( airfoil )
8747
8848% -------------- AEROELASTIC SIMULATION (Typical Section Model) ---------------%
89- % Activated by GRID_MOVEMENT_KIND option
9049%
91- % The flutter speed index (modifies the freestream condition in the solver)
9250FLUTTER_SPEED_INDEX = 1.3
93- %
94- % Natural frequency of the spring in the plunging direction (rad/s)
9551PLUNGE_NATURAL_FREQUENCY = 100
96- %
97- % Natural frequency of the spring in the pitching direction (rad/s)
9852PITCH_NATURAL_FREQUENCY = 100
99- %
100- % The airfoil mass ratio
10153AIRFOIL_MASS_RATIO = 60
102- %
103- % Distance in semichords by which the center of gravity lies behind
104- % the elastic axis
10554CG_LOCATION = 1.8
106- %
107- % The radius of gyration squared (expressed in semichords)
108- % of the typical section about the elastic axis
10955RADIUS_GYRATION_SQUARED = 3.48
110- %
111- % Solve the aeroelastic equations every given number of internal iterations
11256AEROELASTIC_ITER = 3
11357
11458% --------------------------- GUST SIMULATION ---------------------------------%
11559%
116- % Apply a wind gust (NO, YES)
11760WIND_GUST = NO
118- %
119- % Type of gust (NONE, TOP_HAT, SINE, ONE_M_COSINE, VORTEX, EOG)
12061GUST_TYPE = TOP_HAT
121- %
122- % Direction of the gust (X_DIR or Y_DIR)
12362GUST_DIR = Y_DIR
124- %
125- % Gust wavelenght (meters)
12663GUST_WAVELENGTH = 7.90876841815
127- % 1/4 of period based on the pitch natural frequency
128- %
129- % Number of gust periods
13064GUST_PERIODS = 1.0
131- %
132- % Gust amplitude (m/s)
13365GUST_AMPL = 8.78841285061
134- % Corresponds to 1 deg AoA.
135- %
136- % Time at which to begin the gust (sec)
13766GUST_BEGIN_TIME = 0.0
138- %
139- % Location at which the gust begins (meters) */
14067GUST_BEGIN_LOC = -7.90876841815
14168
14269% -------------------- BOUNDARY CONDITION DEFINITION --------------------------%
14370%
144- % Euler wall boundary marker(s) (NONE = no marker)
14571MARKER_EULER = ( airfoil )
146- %
147- % Far-field boundary marker(s) (NONE = no marker)
14872MARKER_FAR = ( farfield )
14973
15074% ------------------------ SURFACES IDENTIFICATION ----------------------------%
15175%
152- % Marker(s) of the surface in the surface flow solution file
15376MARKER_PLOTTING = ( airfoil )
154- %
155- % Marker(s) of the surface where the non-dimensional coefficients are evaluated.
15677MARKER_MONITORING = ( airfoil )
15778
15879% ------------- COMMON PARAMETERS DEFINING THE NUMERICAL METHOD ---------------%
15980%
160- % Numerical method for spatial gradients (GREEN_GAUSS, WEIGHTED_LEAST_SQUARES)
16181NUM_METHOD_GRAD = GREEN_GAUSS
162- %
163- % CFL number (stating value for the adaptive CFL number)
16482CFL_NUMBER = 4.0
16583
16684% ------------------------ LINEAR SOLVER DEFINITION ---------------------------%
16785%
168- % Linear solver or smoother for implicit formulations (BCGSTAB, FGMRES, SMOOTHER)
16986LINEAR_SOLVER = FGMRES
170- %
171- % Preconditioner of the Krylov linear solver (ILU, LU_SGS, LINELET, JACOBI)
17287LINEAR_SOLVER_PREC = LU_SGS
173- %
174- % Minimum error of the linear solver for implicit formulations
17588LINEAR_SOLVER_ERROR = 1E-4
176- %
177- % Max number of iterations of the linear solver for the implicit formulation
17889LINEAR_SOLVER_ITER = 2
17990
18091% -------------------------- MULTIGRID PARAMETERS -----------------------------%
18192%
182- % Multi-grid levels (0 = no multi-grid)
18393MGLEVEL = 3
184- %
185- % Multi-grid cycle (V_CYCLE, W_CYCLE, FULLMG_CYCLE)
18694MGCYCLE = W_CYCLE
187- %
188- % Multi-grid pre-smoothing level
18995MG_PRE_SMOOTH = ( 1, 2, 3, 3 )
190- %
191- % Multi-grid post-smoothing level
19296MG_POST_SMOOTH = ( 0, 0, 0, 0 )
193- %
194- % Jacobi implicit smoothing of the correction
19597MG_CORRECTION_SMOOTH = ( 0, 0, 0, 0 )
196- %
197- % Damping factor for the residual restriction
19898MG_DAMP_RESTRICTION = 0.75
199- %
200- % Damping factor for the correction prolongation
20199MG_DAMP_PROLONGATION = 0.75
202100
203101% -------------------- FLOW NUMERICAL METHOD DEFINITION -----------------------%
204102%
205- % Convective numerical method (JST, LAX-FRIEDRICH, CUSP, ROE, AUSM, HLLC,
206- % TURKEL_PREC, MSW)
207103CONV_NUM_METHOD_FLOW = JST
208- %
209- % Spatial numerical order integration (1ST_ORDER, 2ND_ORDER, 2ND_ORDER_LIMITER)
210104MUSCL_FLOW = YES
211- %
212- % Slope limiter (VENKATAKRISHNAN, BARTH_JESPERSEN)
213105SLOPE_LIMITER_FLOW = VENKATAKRISHNAN
214- %
215- % Entropy fix coefficient (0.0 implies no entropy fixing, 1.0 implies scalar
216- % artificial dissipation)
217106ENTROPY_FIX_COEFF = 0.001
218- %
219- % 2nd and 4th order artificial dissipation coefficients
220107JST_SENSOR_COEFF = ( 0.5, 0.02 )
221- %
222- % Time discretization (RUNGE-KUTTA_EXPLICIT, EULER_IMPLICIT, EULER_EXPLICIT)
223108TIME_DISCRE_FLOW = EULER_IMPLICIT
224109
225110% ------------------------ GRID DEFORMATION PARAMETERS ------------------------%
226111%
227- % Linear solver or smoother for implicit formulations (FGMRES, RESTARTED_FGMRES, BCGSTAB)
228112DEFORM_LINEAR_SOLVER = FGMRES
229- %
230- % Preconditioner of the Krylov linear solver (ILU, LU_SGS, JACOBI)
231113DEFORM_LINEAR_SOLVER_PREC = LU_SGS
232- %
233- % Number of smoothing iterations for mesh deformation
234114DEFORM_LINEAR_SOLVER_ITER = 500
235- %
236- % Number of nonlinear deformation iterations (surface deformation increments)
237115DEFORM_NONLINEAR_ITER = 1
238- %
239- % Print the residuals during mesh deformation to the console (YES, NO)
240116DEFORM_CONSOLE_OUTPUT = NO
241- %
242- % Minimum residual criteria for the linear solver convergence of grid deformation
243117DEFORM_LINEAR_SOLVER_ERROR = 1E-14
244- %
245- % Type of element stiffness imposed for FEA mesh deformation (INVERSE_VOLUME,
246- % WALL_DISTANCE, CONSTANT_STIFFNESS)
247118DEFORM_STIFFNESS_TYPE = INVERSE_VOLUME
248119
249120% --------------------------- CONVERGENCE PARAMETERS --------------------------%
250121%
251- % Number of total iterations
252122TIME_ITER = 360
253- %
254- % Min value of the residual (log10 of the residual)
255123CONV_RESIDUAL_MINVAL = -8
256- %
257- % Start convergence criteria at iteration number
258124CONV_STARTITER = 0
259- %
260- % Number of elements to apply the criteria
261125CONV_CAUCHY_ELEMS = 100
262- %
263- % Epsilon to control the series convergence
264126CONV_CAUCHY_EPS = 1E-10
265- %
266127
267128% ------------------------- INPUT/OUTPUT INFORMATION --------------------------%
268129%
269- % Mesh input file
270130MESH_FILENAME = mesh_NACA64A010_hybrid_inv.su2
271- %
272- % Mesh input file format (SU2, CGNS)
273131MESH_FORMAT = SU2
274- %
275- % Restart flow input file
276132SOLUTION_FILENAME = solution_flow.dat
277- %
278133TABULAR_FORMAT = CSV
279- %
280- % Output file convergence history (w/o extension)
281134CONV_FILENAME = history
282- %
283- % Output file restart flow
284135RESTART_FILENAME = restart_flow.dat
285- %
286- % Output file flow (w/o extension) variables
287136VOLUME_FILENAME = flow
288- %
289- % Output file surface flow coefficient (w/o extension)
290137SURFACE_FILENAME = surface_flow
291- %
292- % Writing solution file frequency for physical time steps (dual time)
293138OUTPUT_WRT_FREQ = 1000
294- %
295- %
296- % Screen output
297139SCREEN_OUTPUT = (TIME_ITER, INNER_ITER, RMS_DENSITY, RMS_ENERGY, LIFT, DRAG_ON_SURFACE, PLUNGE, PITCH)
298- %
299- OUTPUT_FILES = (RESTART_ASCII)
300-
140+ OUTPUT_FILES = (RESTART_ASCII)
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