DistributionMultiTable Enhancment for CDF Sampling

.gitignore

@@ -33,6 +33,9 @@ output*.h5
 # Ignore all png and giffiles except those in the docs/source/images directory
 !docs/source/images/**/*.png
 !docs/source/images/**/*.gif
+!mcdc-vv/Al/results/*.png
+!mcdc-vv/Al/results/old/*.png
+
 
 # Cluster job
 *.out
@@ -68,4 +71,5 @@ source_particles.h5
 # Container artifacts
 *.sif
 *_sandbox
-*.tar
+*.tar
+

mcdc-vv/Al/E00050keV/th000deg/input.py

@@ -0,0 +1,119 @@
+import numpy as np
+import os
+import math
+import mcdc
+from datetime import datetime
+
+PROCESS_DATA_LIBRARY_ENV = "MCDC_VV_PROCESS_DATA_LIBRARY_DIR"
+DATA_LIBRARY_DIR = os.path.abspath(
+    os.path.join(
+        os.path.dirname(__file__),
+        "..",
+        "..",
+        "..",
+        "..",
+        "..",
+        "..",
+        "..",
+        "electron-vv-data",
+    )
+)
+
+# Set the XS library directory
+os.environ["MCDC_LIB"] = os.environ.get(PROCESS_DATA_LIBRARY_ENV, DATA_LIBRARY_DIR)
+
+# =============================================================================
+# Set problem parameters
+# =============================================================================
+# Energy and Angle Parameters
+MATERIAL_SYMBOL = "Al"
+ENERGY = 1e5  # eV
+CSDA_RANGE = 0.00604 # g/cm2
+ANGLE = 0.0
+
+# MCDC Simulation Parameters
+N_PARTICLES = 1000
+z0 = 0.0  # Starting source position
+
+# Material Properties
+RHO_G_CM3 = 2.70   # g/cm3
+ATOMIC_WEIGHT_G_MOL = 26.7497084 # g/mol
+AREAL_DENSITY_G_CM2 = 5.05e-3 #g/cm2
+
+# Standard Calculations
+dz = AREAL_DENSITY_G_CM2 / RHO_G_CM3
+AVAGADRO_NUMBER = 6.02214076e23  # atoms/mol
+MAT_DENSITY_ATOMS_PER_BARN_CM = AVAGADRO_NUMBER / ATOMIC_WEIGHT_G_MOL * RHO_G_CM3 / 1e24  # atoms/barn-cm
+TINY = 1e-30
+L = CSDA_RANGE / RHO_G_CM3 # cm
+N_LAYERS = int(L / dz)
+THETA = math.radians(ANGLE)
+
+# Output variables for naming
+np_name = len(str(N_PARTICLES)) - 1
+e_name = f"{ENERGY:.2g}"
+
+# =============================================================================
+# Debug prints
+# =============================================================================
+print(f"[DEBUG] Material Symbol = {MATERIAL_SYMBOL}")
+print(f"[DEBUG] CSDA Range = {CSDA_RANGE:.6e} g/cm2")
+print(f"[DEBUG] Density = {RHO_G_CM3:.6e} g/cm3")
+print(f"[DEBUG] Atomic Weight = {ATOMIC_WEIGHT_G_MOL:.6e} g/mol")
+print(f"[DEBUG] Areal density per layer = {AREAL_DENSITY_G_CM2:.6e} g/cm2")
+print(f"[DEBUG] Material density = {MAT_DENSITY_ATOMS_PER_BARN_CM:.6e} atoms/barn-cm")
+print(f"[DEBUG] Layer thickness = {dz:.6e} cm")
+print(f"[DEBUG] Total thickness = {L:.6e} cm")
+print(f"[DEBUG] Number of layers = {N_LAYERS}")
+
+# =============================================================================
+# Set materials
+# =============================================================================
+mat = mcdc.Material(
+    element_composition={MATERIAL_SYMBOL: MAT_DENSITY_ATOMS_PER_BARN_CM}
+)
+
+# =============================================================================
+# Set geometry (surfaces and cells)
+# =============================================================================
+# Z-direction surfaces for layers
+
+s1 = mcdc.Surface.PlaneZ(z=0.0, boundary_condition="vacuum")
+s2 = mcdc.Surface.PlaneZ(z=L, boundary_condition="vacuum")
+
+mcdc.Cell(region=+s1 & -s2, fill=mat)
+
+# =============================================================================
+# Set source
+# =============================================================================
+# Parallel beam of 1 MeV electrons entering at z=0
+
+mcdc.Source(
+    z=[z0 + TINY, z0 + TINY],
+    particle_type='electron',
+    energy=np.array([[ENERGY - 1, ENERGY + 1], [0.5, 0.5]]),
+    direction=[math.sin(THETA), 0.0+TINY, math.cos(THETA)]
+)
+
+# =============================================================================
+# Set tally
+# =============================================================================
+# Energy deposition tally along z-axis
+z_bins = np.linspace(0.0, L, N_LAYERS + 1)
+mesh = mcdc.MeshStructured(z=z_bins)
+
+mcdc.Tally(name="edep", mesh=mesh, scores=["energy_deposition"])
+mcdc.Tally(name="flux", scores=["flux"], mesh=mesh)
+mcdc.Tally(name="s1_current", surface=s1, scores=["net-current"])
+mcdc.Tally(name="s2_current", surface=s2, scores=["net-current"])
+
+# =============================================================================
+# Settings and run
+# =============================================================================
+mcdc.settings.set_transported_particles(["electron"])
+mcdc.settings.N_particle = N_PARTICLES
+mcdc.settings.active_bank_buffer = N_PARTICLES * 100
+mcdc.settings.output_name = f"lw_{MATERIAL_SYMBOL}_{e_name}eV_1e{np_name}p_{datetime.now():%Y%m%d_%H%M%S}"
+mcdc.settings.use_progress_bar = True
+
+mcdc.run()