Added a tumbling rectangle case

Author: danieljvickers

examples/2D_tumbling_rectangle/case.py

@@ -0,0 +1,105 @@
+import json
+import math
+
+Mu = 1.84e-05
+gam_a = 1.4
+
+# Configuring case dictionary
+print(
+    json.dumps(
+        {
+            # Logistics
+            "run_time_info": "T",
+            # Computational Domain Parameters
+            # For these computations, the cylinder is placed at the (0,0,0)
+            # domain origin.
+            # axial direction
+            "x_domain%beg": 0.0e00,
+            "x_domain%end": 6.0e-03,
+            # r direction
+            "y_domain%beg": 0.0e00,
+            "y_domain%end": 6.0e-03,
+            "cyl_coord": "F",
+            "m": 300,
+            "n": 300,
+            "p": 0,
+            "dt": 6.0e-6,
+            "t_step_start": 0,
+            "t_step_stop": 10000,
+            "t_step_save": 250,
+            # Simulation Algorithm Parameters
+            # Only one patches are necessary, the air tube
+            "num_patches": 1,
+            # Use the 5 equation model
+            "model_eqns": 2,
+            "alt_soundspeed": "F",
+            # One fluids: air
+            "num_fluids": 1,
+            # time step
+            "mpp_lim": "F",
+            # Correct errors when computing speed of sound
+            "mixture_err": "T",
+            # Use TVD RK3 for time marching
+            "time_stepper": 3,
+            # Use WENO5
+            "weno_order": 5,
+            "weno_eps": 1.0e-16,
+            "weno_Re_flux": "T",
+            "weno_avg": "T",
+            "avg_state": 2,
+            "mapped_weno": "T",
+            "null_weights": "F",
+            "mp_weno": "T",
+            "riemann_solver": 2,
+            "wave_speeds": 1,
+            # We use ghost-cell
+            "bc_x%beg": -3,
+            "bc_x%end": -3,
+            "bc_y%beg": -3,
+            "bc_y%end": -3,
+            # Set IB to True and add 1 patch
+            "ib": "T",
+            "num_ibs": 1,
+            "viscous": "T",
+            # Formatted Database Files Structure Parameters
+            "format": 1,
+            "precision": 2,
+            "prim_vars_wrt": "T",
+            "E_wrt": "T",
+            "parallel_io": "T",
+            # Patch: Constant Tube filled with air
+            # Specify the cylindrical air tube grid geometry
+            "patch_icpp(1)%geometry": 3,
+            "patch_icpp(1)%x_centroid": 3.0e-03,
+            # Uniform medium density, centroid is at the center of the domain
+            "patch_icpp(1)%y_centroid": 3.0e-03,
+            "patch_icpp(1)%length_x": 6.0e-03,
+            "patch_icpp(1)%length_y": 6.0e-03,
+            # Specify the patch primitive variables
+            "patch_icpp(1)%vel(1)": 0.00e00,
+            "patch_icpp(1)%vel(2)": 0.0e00,
+            "patch_icpp(1)%pres": 1.0e00,
+            "patch_icpp(1)%alpha_rho(1)": 1.0e00,
+            "patch_icpp(1)%alpha(1)": 10.0e00,
+            # Patch: Cylinder Immersed Boundary
+            "patch_ib(1)%geometry": 3,
+            "patch_ib(1)%x_centroid": 4.5e-03,
+            "patch_ib(1)%y_centroid": 3.0e-03,
+            "patch_ib(1)%length_x": 0.6e-03,
+            "patch_ib(1)%length_y": 0.6e-03,
+            "patch_ib(1)%slip": "F",
+            "patch_ib(1)%moving_ibm": 1,
+            "patch_ib(1)%vel(1)": -0.05,
+            "patch_ib(1)%angles(1)": 0.0, # x-axis rotation in radians
+            "patch_ib(1)%angles(2)": 0.0, # y-axis rotation
+            "patch_ib(1)%angles(3)": 0.78539816339, # z-axis rotation
+            "patch_ib(1)%angular_vel(1)": 0.0, # x-axis rotational velcoity in radians per second
+            "patch_ib(1)%angular_vel(2)": 0.0, # y-axis rotation
+            "patch_ib(1)%angular_vel(3)": 100.0, # z-axis rotation
+            # Fluids Physical Parameters
+            "fluid_pp(1)%gamma": 1.0e00 / (gam_a - 1.0e00),  # 2.50(Not 1.40)
+            "fluid_pp(1)%pi_inf": 0,
+            "fluid_pp(1)%Re(1)": 2500000,
+        }
+    )
+)