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/include/openmc/surface.h

#ifndef OPENMC_SURFACE_H
#define OPENMC_SURFACE_H

#include <limits> // For numeric_limits
#include <string>
#include <unordered_map>

#include "hdf5.h"
#include "pugixml.hpp"

#include "openmc/boundary_condition.h"
#include "openmc/constants.h"
#include "openmc/memory.h" // for unique_ptr
#include "openmc/particle.h"
#include "openmc/position.h"
#include "openmc/vector.h"

namespace openmc {

//==============================================================================
// Global variables
//==============================================================================

class Surface;

namespace model {
extern std::unordered_map<int, int> surface_map;
extern vector<unique_ptr<Surface>> surfaces;
} // namespace model

//==============================================================================
//! Coordinates for an axis-aligned cuboid that bounds a geometric object.
//==============================================================================

struct BoundingBox {
  double xmin = -INFTY;
  double xmax = INFTY;
  double ymin = -INFTY;
  double ymax = INFTY;
  double zmin = -INFTY;
  double zmax = INFTY;

  inline BoundingBox operator&(const BoundingBox& other)
  {
    BoundingBox result = *this;
    return result &= other;
  }

  inline BoundingBox operator|(const BoundingBox& other)
  {
    BoundingBox result = *this;
    return result |= other;
  }

  // intersect operator
  inline BoundingBox& operator&=(const BoundingBox& other)
  {
    xmin = std::max(xmin, other.xmin);
    xmax = std::min(xmax, other.xmax);
    ymin = std::max(ymin, other.ymin);
    ymax = std::min(ymax, other.ymax);
    zmin = std::max(zmin, other.zmin);
    zmax = std::min(zmax, other.zmax);
    return *this;
  }

  // union operator
  inline BoundingBox& operator|=(const BoundingBox& other)
  {
    xmin = std::min(xmin, other.xmin);
    xmax = std::max(xmax, other.xmax);
    ymin = std::min(ymin, other.ymin);
    ymax = std::max(ymax, other.ymax);
    zmin = std::min(zmin, other.zmin);
    zmax = std::max(zmax, other.zmax);
    return *this;
  }
};

//==============================================================================
//! A geometry primitive used to define regions of 3D space.
//==============================================================================

class Surface {
public:
  int id_;                                          //!< Unique ID
  std::string name_;                                //!< User-defined name
  std::shared_ptr<BoundaryCondition> bc_ {nullptr}; //!< Boundary condition
  GeometryType geom_type_;   //!< Geometry type indicator (CSG or DAGMC)
  bool surf_source_ {false}; //!< Activate source banking for the surface?

  explicit Surface(pugi::xml_node surf_node);
  Surface();

  virtual ~Surface() {}

  //! Determine which side of a surface a point lies on.
  //! \param r The 3D Cartesian coordinate of a point.
  //! \param u A direction used to "break ties" and pick a sense when the
  //!   point is very close to the surface.
  //! \return true if the point is on the "positive" side of the surface and
  //!   false otherwise.
  bool sense(Position r, Direction u) const;

  //! Determine the direction of a ray reflected from the surface.
  //! \param[in] r The point at which the ray is incident.
  //! \param[in] u Incident direction of the ray
  //! \param[inout] p Pointer to the particle
  //! \return Outgoing direction of the ray
  virtual Direction reflect(Position r, Direction u, Particle* p) const;

  virtual Direction diffuse_reflect(
    Position r, Direction u, uint64_t* seed) const;

  //! Evaluate the equation describing the surface.
  //!
  //! Surfaces can be described by some function f(x, y, z) = 0.  This member
  //! function evaluates that mathematical function.
  //! \param r A 3D Cartesian coordinate.
  virtual double evaluate(Position r) const = 0;

  //! Compute the distance between a point and the surface along a ray.
  //! \param r A 3D Cartesian coordinate.
  //! \param u The direction of the ray.
  //! \param coincident A hint to the code that the given point should lie
  //!   exactly on the surface.
  virtual double distance(Position r, Direction u, bool coincident) const = 0;

  //! Compute the local outward normal direction of the surface.
  //! \param r A 3D Cartesian coordinate.
  //! \return Normal direction
  virtual Direction normal(Position r) const = 0;

  //! Write all information needed to reconstruct the surface to an HDF5 group.
  //! \param group_id An HDF5 group id.
  void to_hdf5(hid_t group_id) const;

  //! Get the BoundingBox for this surface.
  virtual BoundingBox bounding_box(bool /*pos_side*/) const { return {}; }

protected:
  virtual void to_hdf5_inner(hid_t group_id) const = 0;
};

class CSGSurface : public Surface {
public:
  explicit CSGSurface(pugi::xml_node surf_node);
  CSGSurface();
};

//==============================================================================
//! A plane perpendicular to the x-axis.
//
//! The plane is described by the equation \f$x - x_0 = 0\f$
//==============================================================================

class SurfaceXPlane : public CSGSurface {
public:
  explicit SurfaceXPlane(pugi::xml_node surf_node);
  double evaluate(Position r) const override;
  double distance(Position r, Direction u, bool coincident) const override;
  Direction normal(Position r) const override;
  void to_hdf5_inner(hid_t group_id) const override;
  BoundingBox bounding_box(bool pos_side) const override;

  double x0_;
};

//==============================================================================
//! A plane perpendicular to the y-axis.
//
//! The plane is described by the equation \f$y - y_0 = 0\f$
//==============================================================================

class SurfaceYPlane : public CSGSurface {
public:
  explicit SurfaceYPlane(pugi::xml_node surf_node);
  double evaluate(Position r) const override;
  double distance(Position r, Direction u, bool coincident) const override;
  Direction normal(Position r) const override;
  void to_hdf5_inner(hid_t group_id) const override;
  BoundingBox bounding_box(bool pos_side) const override;

  double y0_;
};

//==============================================================================
//! A plane perpendicular to the z-axis.
//
//! The plane is described by the equation \f$z - z_0 = 0\f$
//==============================================================================

class SurfaceZPlane : public CSGSurface {
public:
  explicit SurfaceZPlane(pugi::xml_node surf_node);
  double evaluate(Position r) const override;
  double distance(Position r, Direction u, bool coincident) const override;
  Direction normal(Position r) const override;
  void to_hdf5_inner(hid_t group_id) const override;
  BoundingBox bounding_box(bool pos_side) const override;

  double z0_;
};

//==============================================================================
//! A general plane.
//
//! The plane is described by the equation \f$A x + B y + C z - D = 0\f$
//==============================================================================

class SurfacePlane : public CSGSurface {
public:
  explicit SurfacePlane(pugi::xml_node surf_node);
  double evaluate(Position r) const override;
  double distance(Position r, Direction u, bool coincident) const override;
  Direction normal(Position r) const override;
  void to_hdf5_inner(hid_t group_id) const override;

  double A_, B_, C_, D_;
};

//==============================================================================
//! A cylinder aligned along the x-axis.
//
//! The cylinder is described by the equation
//! \f$(y - y_0)^2 + (z - z_0)^2 - R^2 = 0\f$
//==============================================================================

class SurfaceXCylinder : public CSGSurface {
public:
  explicit SurfaceXCylinder(pugi::xml_node surf_node);
  double evaluate(Position r) const override;
  double distance(Position r, Direction u, bool coincident) const override;
  Direction normal(Position r) const override;
  void to_hdf5_inner(hid_t group_id) const override;
  BoundingBox bounding_box(bool pos_side) const override;

  double y0_, z0_, radius_;
};

//==============================================================================
//! A cylinder aligned along the y-axis.
//
//! The cylinder is described by the equation
//! \f$(x - x_0)^2 + (z - z_0)^2 - R^2 = 0\f$
//==============================================================================

class SurfaceYCylinder : public CSGSurface {
public:
  explicit SurfaceYCylinder(pugi::xml_node surf_node);
  double evaluate(Position r) const override;
  double distance(Position r, Direction u, bool coincident) const override;
  Direction normal(Position r) const override;
  void to_hdf5_inner(hid_t group_id) const override;
  BoundingBox bounding_box(bool pos_side) const override;

  double x0_, z0_, radius_;
};

//==============================================================================
//! A cylinder aligned along the z-axis.
//
//! The cylinder is described by the equation
//! \f$(x - x_0)^2 + (y - y_0)^2 - R^2 = 0\f$
//==============================================================================

class SurfaceZCylinder : public CSGSurface {
public:
  explicit SurfaceZCylinder(pugi::xml_node surf_node);
  double evaluate(Position r) const override;
  double distance(Position r, Direction u, bool coincident) const override;
  Direction normal(Position r) const override;
  void to_hdf5_inner(hid_t group_id) const override;
  BoundingBox bounding_box(bool pos_side) const override;

  double x0_, y0_, radius_;
};

//==============================================================================
//! A sphere.
//
//! The cylinder is described by the equation
//! \f$(x - x_0)^2 + (y - y_0)^2 + (z - z_0)^2 - R^2 = 0\f$
//==============================================================================

class SurfaceSphere : public CSGSurface {
public:
  explicit SurfaceSphere(pugi::xml_node surf_node);
  double evaluate(Position r) const override;
  double distance(Position r, Direction u, bool coincident) const override;
  Direction normal(Position r) const override;
  void to_hdf5_inner(hid_t group_id) const override;
  BoundingBox bounding_box(bool pos_side) const override;

  double x0_, y0_, z0_, radius_;
};

//==============================================================================
//! A cone aligned along the x-axis.
//
//! The cylinder is described by the equation
//! \f$(y - y_0)^2 + (z - z_0)^2 - R^2 (x - x_0)^2 = 0\f$
//==============================================================================

class SurfaceXCone : public CSGSurface {
public:
  explicit SurfaceXCone(pugi::xml_node surf_node);
  double evaluate(Position r) const override;
  double distance(Position r, Direction u, bool coincident) const override;
  Direction normal(Position r) const override;
  void to_hdf5_inner(hid_t group_id) const override;

  double x0_, y0_, z0_, radius_sq_;
};

//==============================================================================
//! A cone aligned along the y-axis.
//
//! The cylinder is described by the equation
//! \f$(x - x_0)^2 + (z - z_0)^2 - R^2 (y - y_0)^2 = 0\f$
//==============================================================================

class SurfaceYCone : public CSGSurface {
public:
  explicit SurfaceYCone(pugi::xml_node surf_node);
  double evaluate(Position r) const override;
  double distance(Position r, Direction u, bool coincident) const override;
  Direction normal(Position r) const override;
  void to_hdf5_inner(hid_t group_id) const override;

  double x0_, y0_, z0_, radius_sq_;
};

//==============================================================================
//! A cone aligned along the z-axis.
//
//! The cylinder is described by the equation
//! \f$(x - x_0)^2 + (y - y_0)^2 - R^2 (z - z_0)^2 = 0\f$
//==============================================================================

class SurfaceZCone : public CSGSurface {
public:
  explicit SurfaceZCone(pugi::xml_node surf_node);
  double evaluate(Position r) const override;
  double distance(Position r, Direction u, bool coincident) const override;
  Direction normal(Position r) const override;
  void to_hdf5_inner(hid_t group_id) const override;

  double x0_, y0_, z0_, radius_sq_;
};

//==============================================================================
//! A general surface described by a quadratic equation.
//
//! \f$A x^2 + B y^2 + C z^2 + D x y + E y z + F x z + G x + H y + J z + K =
//! 0\f$
//==============================================================================

class SurfaceQuadric : public CSGSurface {
public:
  explicit SurfaceQuadric(pugi::xml_node surf_node);
  double evaluate(Position r) const override;
  double distance(Position r, Direction u, bool coincident) const override;
  Direction normal(Position r) const override;
  void to_hdf5_inner(hid_t group_id) const override;

  // Ax^2 + By^2 + Cz^2 + Dxy + Eyz + Fxz + Gx + Hy + Jz + K = 0
  double A_, B_, C_, D_, E_, F_, G_, H_, J_, K_;
};

//==============================================================================
//! A toroidal surface described by the quartic torus lies in the x direction
//
//! \f$(x-x_0)^2/B^2 + (\sqrt{(y-y_0)^2 + (z-z_0)^2} - A)^2/C^2 -1 \f$
//==============================================================================

class SurfaceXTorus : public CSGSurface {
public:
  explicit SurfaceXTorus(pugi::xml_node surf_node);
  double evaluate(Position r) const override;
  double distance(Position r, Direction u, bool coincident) const override;
  Direction normal(Position r) const override;
  void to_hdf5_inner(hid_t group_id) const override;

  double x0_, y0_, z0_, A_, B_, C_;
};

//==============================================================================
//! A toroidal surface described by the quartic torus lies in the y direction
//
//! \f$(y-y_0)^2/B^2 + (\sqrt{(x-x_0)^2 + (z-z_0)^2} - A)^2/C^2 -1 \f$
//==============================================================================

class SurfaceYTorus : public CSGSurface {
public:
  explicit SurfaceYTorus(pugi::xml_node surf_node);
  double evaluate(Position r) const override;
  double distance(Position r, Direction u, bool coincident) const override;
  Direction normal(Position r) const override;
  void to_hdf5_inner(hid_t group_id) const override;

  double x0_, y0_, z0_, A_, B_, C_;
};

//==============================================================================
//! A toroidal surface described by the quartic torus lies in the z direction
//
//! \f$(z-z_0)^2/B^2 + (\sqrt{(x-x_0)^2 + (y-y_0)^2} - A)^2/C^2 -1 \f$
//==============================================================================

class SurfaceZTorus : public CSGSurface {
public:
  explicit SurfaceZTorus(pugi::xml_node surf_node);
  double evaluate(Position r) const override;
  double distance(Position r, Direction u, bool coincident) const override;
  Direction normal(Position r) const override;
  void to_hdf5_inner(hid_t group_id) const override;

  double x0_, y0_, z0_, A_, B_, C_;
};

//==============================================================================
// Non-member functions
//==============================================================================

void read_surfaces(pugi::xml_node node);

void free_memory_surfaces();

} // namespace openmc
#endif // OPENMC_SURFACE_H

1	#ifndef OPENMC_SURFACE_H
2	#define OPENMC_SURFACE_H
3
4	#include <limits> // For numeric_limits
5	#include <string>
6	#include <unordered_map>
7
8	#include "hdf5.h"
9	#include "pugixml.hpp"
10
11	#include "openmc/boundary_condition.h"
12	#include "openmc/constants.h"
13	#include "openmc/memory.h" // for unique_ptr
14	#include "openmc/particle.h"
15	#include "openmc/position.h"
16	#include "openmc/vector.h"
17
18	namespace openmc {
19
20	//==============================================================================
21	// Global variables
22	//==============================================================================
23
24	class Surface;
25
26	namespace model {
27	extern std::unordered_map<int, int> surface_map;
28	extern vector<unique_ptr<Surface>> surfaces;
29	} // namespace model
30
31	//==============================================================================
32	//! Coordinates for an axis-aligned cuboid that bounds a geometric object.
33	//==============================================================================
34
35	struct BoundingBox {
36	double xmin = -INFTY;
37	double xmax = INFTY;
38	double ymin = -INFTY;
39	double ymax = INFTY;
40	double zmin = -INFTY;
41	double zmax = INFTY;
42
43	inline BoundingBox operator&(const BoundingBox& other)
44	{
45	BoundingBox result = *this;
46	return result &= other;
47	}
48
49	inline BoundingBox operator\|(const BoundingBox& other)
50	{
51	BoundingBox result = *this;
52	return result \|= other;
53	}
54
55	// intersect operator
56	inline BoundingBox& operator&=(const BoundingBox& other)
57	{
58	xmin = std::max(xmin, other.xmin);
59	xmax = std::min(xmax, other.xmax);
60	ymin = std::max(ymin, other.ymin);
61	ymax = std::min(ymax, other.ymax);
62	zmin = std::max(zmin, other.zmin);
63	zmax = std::min(zmax, other.zmax);
64	return *this;
65	}
66
67	// union operator
68	inline BoundingBox& operator\|=(const BoundingBox& other)
69	{
UNCOV 70	xmin = std::min(xmin, other.xmin);	×
UNCOV 71	xmax = std::max(xmax, other.xmax);	×
UNCOV 72	ymin = std::min(ymin, other.ymin);	×
UNCOV 73	ymax = std::max(ymax, other.ymax);	×
UNCOV 74	zmin = std::min(zmin, other.zmin);	×
UNCOV 75	zmax = std::max(zmax, other.zmax);	×
UNCOV 76	return *this;	×
77	}
78	};
79
80	//==============================================================================
81	//! A geometry primitive used to define regions of 3D space.
82	//==============================================================================
83
84	class Surface {
85	public:
86	int id_; //!< Unique ID
87	std::string name_; //!< User-defined name
88	std::shared_ptr<BoundaryCondition> bc_ {nullptr}; //!< Boundary condition
89	GeometryType geom_type_; //!< Geometry type indicator (CSG or DAGMC)
90	bool surf_source_ {false}; //!< Activate source banking for the surface?
91
92	explicit Surface(pugi::xml_node surf_node);
93	Surface();
94
95	virtual ~Surface() {}
96
97	//! Determine which side of a surface a point lies on.
98	//! \param r The 3D Cartesian coordinate of a point.
99	//! \param u A direction used to "break ties" and pick a sense when the
100	//! point is very close to the surface.
101	//! \return true if the point is on the "positive" side of the surface and
102	//! false otherwise.
103	bool sense(Position r, Direction u) const;
104
105	//! Determine the direction of a ray reflected from the surface.
106	//! \param[in] r The point at which the ray is incident.
107	//! \param[in] u Incident direction of the ray
108	//! \param[inout] p Pointer to the particle
109	//! \return Outgoing direction of the ray
110	virtual Direction reflect(Position r, Direction u, Particle* p) const;
111
112	virtual Direction diffuse_reflect(
113	Position r, Direction u, uint64_t* seed) const;
114
115	//! Evaluate the equation describing the surface.
116	//!
117	//! Surfaces can be described by some function f(x, y, z) = 0. This member
118	//! function evaluates that mathematical function.
119	//! \param r A 3D Cartesian coordinate.
120	virtual double evaluate(Position r) const = 0;
121
122	//! Compute the distance between a point and the surface along a ray.
123	//! \param r A 3D Cartesian coordinate.
124	//! \param u The direction of the ray.
125	//! \param coincident A hint to the code that the given point should lie
126	//! exactly on the surface.
127	virtual double distance(Position r, Direction u, bool coincident) const = 0;
128
129	//! Compute the local outward normal direction of the surface.
130	//! \param r A 3D Cartesian coordinate.
131	//! \return Normal direction
132	virtual Direction normal(Position r) const = 0;
133
134	//! Write all information needed to reconstruct the surface to an HDF5 group.
135	//! \param group_id An HDF5 group id.
136	void to_hdf5(hid_t group_id) const;
137
138	//! Get the BoundingBox for this surface.
139	virtual BoundingBox bounding_box(bool /pos_side/) const { return {}; }
140
141	protected:
142	virtual void to_hdf5_inner(hid_t group_id) const = 0;
143	};
144
145	class CSGSurface : public Surface {
146	public:
147	explicit CSGSurface(pugi::xml_node surf_node);
148	CSGSurface();
149	};
150
151	//==============================================================================
152	//! A plane perpendicular to the x-axis.
153	//
154	//! The plane is described by the equation \f$x - x_0 = 0\f$
155	//==============================================================================
156
157	class SurfaceXPlane : public CSGSurface {
158	public:
159	explicit SurfaceXPlane(pugi::xml_node surf_node);
160	double evaluate(Position r) const override;
161	double distance(Position r, Direction u, bool coincident) const override;
162	Direction normal(Position r) const override;
163	void to_hdf5_inner(hid_t group_id) const override;
164	BoundingBox bounding_box(bool pos_side) const override;
165
166	double x0_;
167	};
168
169	//==============================================================================
170	//! A plane perpendicular to the y-axis.
171	//
172	//! The plane is described by the equation \f$y - y_0 = 0\f$
173	//==============================================================================
174
175	class SurfaceYPlane : public CSGSurface {
176	public:
177	explicit SurfaceYPlane(pugi::xml_node surf_node);
178	double evaluate(Position r) const override;
179	double distance(Position r, Direction u, bool coincident) const override;
180	Direction normal(Position r) const override;
181	void to_hdf5_inner(hid_t group_id) const override;
182	BoundingBox bounding_box(bool pos_side) const override;
183
184	double y0_;
185	};
186
187	//==============================================================================
188	//! A plane perpendicular to the z-axis.
189	//
190	//! The plane is described by the equation \f$z - z_0 = 0\f$
191	//==============================================================================
192
193	class SurfaceZPlane : public CSGSurface {
194	public:
195	explicit SurfaceZPlane(pugi::xml_node surf_node);
196	double evaluate(Position r) const override;
197	double distance(Position r, Direction u, bool coincident) const override;
198	Direction normal(Position r) const override;
199	void to_hdf5_inner(hid_t group_id) const override;
200	BoundingBox bounding_box(bool pos_side) const override;
201
202	double z0_;
203	};
204
205	//==============================================================================
206	//! A general plane.
207	//
208	//! The plane is described by the equation \f$A x + B y + C z - D = 0\f$
209	//==============================================================================
210
211	class SurfacePlane : public CSGSurface {
212	public:
213	explicit SurfacePlane(pugi::xml_node surf_node);
214	double evaluate(Position r) const override;
215	double distance(Position r, Direction u, bool coincident) const override;
216	Direction normal(Position r) const override;
217	void to_hdf5_inner(hid_t group_id) const override;
218
219	double A_, B_, C_, D_;
220	};
221
222	//==============================================================================
223	//! A cylinder aligned along the x-axis.
224	//
225	//! The cylinder is described by the equation
226	//! \f$(y - y_0)^2 + (z - z_0)^2 - R^2 = 0\f$
227	//==============================================================================
228
229	class SurfaceXCylinder : public CSGSurface {
230	public:
231	explicit SurfaceXCylinder(pugi::xml_node surf_node);
232	double evaluate(Position r) const override;
233	double distance(Position r, Direction u, bool coincident) const override;
234	Direction normal(Position r) const override;
235	void to_hdf5_inner(hid_t group_id) const override;
236	BoundingBox bounding_box(bool pos_side) const override;
237
238	double y0_, z0_, radius_;
239	};
240
241	//==============================================================================
242	//! A cylinder aligned along the y-axis.
243	//
244	//! The cylinder is described by the equation
245	//! \f$(x - x_0)^2 + (z - z_0)^2 - R^2 = 0\f$
246	//==============================================================================
247
248	class SurfaceYCylinder : public CSGSurface {
249	public:
250	explicit SurfaceYCylinder(pugi::xml_node surf_node);
251	double evaluate(Position r) const override;
252	double distance(Position r, Direction u, bool coincident) const override;
253	Direction normal(Position r) const override;
254	void to_hdf5_inner(hid_t group_id) const override;
255	BoundingBox bounding_box(bool pos_side) const override;
256
257	double x0_, z0_, radius_;
258	};
259
260	//==============================================================================
261	//! A cylinder aligned along the z-axis.
262	//
263	//! The cylinder is described by the equation
264	//! \f$(x - x_0)^2 + (y - y_0)^2 - R^2 = 0\f$
265	//==============================================================================
266
267	class SurfaceZCylinder : public CSGSurface {
268	public:
269	explicit SurfaceZCylinder(pugi::xml_node surf_node);
270	double evaluate(Position r) const override;
271	double distance(Position r, Direction u, bool coincident) const override;
272	Direction normal(Position r) const override;
273	void to_hdf5_inner(hid_t group_id) const override;
274	BoundingBox bounding_box(bool pos_side) const override;
275
276	double x0_, y0_, radius_;
277	};
278
279	//==============================================================================
280	//! A sphere.
281	//
282	//! The cylinder is described by the equation
283	//! \f$(x - x_0)^2 + (y - y_0)^2 + (z - z_0)^2 - R^2 = 0\f$
284	//==============================================================================
285
286	class SurfaceSphere : public CSGSurface {
287	public:
288	explicit SurfaceSphere(pugi::xml_node surf_node);
289	double evaluate(Position r) const override;
290	double distance(Position r, Direction u, bool coincident) const override;
291	Direction normal(Position r) const override;
292	void to_hdf5_inner(hid_t group_id) const override;
293	BoundingBox bounding_box(bool pos_side) const override;
294
295	double x0_, y0_, z0_, radius_;
296	};
297
298	//==============================================================================
299	//! A cone aligned along the x-axis.
300	//
301	//! The cylinder is described by the equation
302	//! \f$(y - y_0)^2 + (z - z_0)^2 - R^2 (x - x_0)^2 = 0\f$
303	//==============================================================================
304
305	class SurfaceXCone : public CSGSurface {
306	public:
307	explicit SurfaceXCone(pugi::xml_node surf_node);
308	double evaluate(Position r) const override;
309	double distance(Position r, Direction u, bool coincident) const override;
310	Direction normal(Position r) const override;
311	void to_hdf5_inner(hid_t group_id) const override;
312
313	double x0_, y0_, z0_, radius_sq_;
314	};
315
316	//==============================================================================
317	//! A cone aligned along the y-axis.
318	//
319	//! The cylinder is described by the equation
320	//! \f$(x - x_0)^2 + (z - z_0)^2 - R^2 (y - y_0)^2 = 0\f$
321	//==============================================================================
322
323	class SurfaceYCone : public CSGSurface {
324	public:
325	explicit SurfaceYCone(pugi::xml_node surf_node);
326	double evaluate(Position r) const override;
327	double distance(Position r, Direction u, bool coincident) const override;
328	Direction normal(Position r) const override;
329	void to_hdf5_inner(hid_t group_id) const override;
330
331	double x0_, y0_, z0_, radius_sq_;
332	};
333
334	//==============================================================================
335	//! A cone aligned along the z-axis.
336	//
337	//! The cylinder is described by the equation
338	//! \f$(x - x_0)^2 + (y - y_0)^2 - R^2 (z - z_0)^2 = 0\f$
339	//==============================================================================
340
341	class SurfaceZCone : public CSGSurface {
342	public:
343	explicit SurfaceZCone(pugi::xml_node surf_node);
344	double evaluate(Position r) const override;
345	double distance(Position r, Direction u, bool coincident) const override;
346	Direction normal(Position r) const override;
347	void to_hdf5_inner(hid_t group_id) const override;
348
349	double x0_, y0_, z0_, radius_sq_;
350	};
351
352	//==============================================================================
353	//! A general surface described by a quadratic equation.
354	//
355	//! \f$A x^2 + B y^2 + C z^2 + D x y + E y z + F x z + G x + H y + J z + K =
356	//! 0\f$
357	//==============================================================================
358
359	class SurfaceQuadric : public CSGSurface {
360	public:
361	explicit SurfaceQuadric(pugi::xml_node surf_node);
362	double evaluate(Position r) const override;
363	double distance(Position r, Direction u, bool coincident) const override;
364	Direction normal(Position r) const override;
365	void to_hdf5_inner(hid_t group_id) const override;
366
367	// Ax^2 + By^2 + Cz^2 + Dxy + Eyz + Fxz + Gx + Hy + Jz + K = 0
368	double A_, B_, C_, D_, E_, F_, G_, H_, J_, K_;
369	};
370
371	//==============================================================================
372	//! A toroidal surface described by the quartic torus lies in the x direction
373	//
374	//! \f$(x-x_0)^2/B^2 + (\sqrt{(y-y_0)^2 + (z-z_0)^2} - A)^2/C^2 -1 \f$
375	//==============================================================================
376
377	class SurfaceXTorus : public CSGSurface {
378	public:
379	explicit SurfaceXTorus(pugi::xml_node surf_node);
380	double evaluate(Position r) const override;
381	double distance(Position r, Direction u, bool coincident) const override;
382	Direction normal(Position r) const override;
383	void to_hdf5_inner(hid_t group_id) const override;
384
385	double x0_, y0_, z0_, A_, B_, C_;
386	};
387
388	//==============================================================================
389	//! A toroidal surface described by the quartic torus lies in the y direction
390	//
391	//! \f$(y-y_0)^2/B^2 + (\sqrt{(x-x_0)^2 + (z-z_0)^2} - A)^2/C^2 -1 \f$
392	//==============================================================================
393
394	class SurfaceYTorus : public CSGSurface {
395	public:
396	explicit SurfaceYTorus(pugi::xml_node surf_node);
397	double evaluate(Position r) const override;
398	double distance(Position r, Direction u, bool coincident) const override;
399	Direction normal(Position r) const override;
400	void to_hdf5_inner(hid_t group_id) const override;
401
402	double x0_, y0_, z0_, A_, B_, C_;
403	};
404
405	//==============================================================================
406	//! A toroidal surface described by the quartic torus lies in the z direction
407	//
408	//! \f$(z-z_0)^2/B^2 + (\sqrt{(x-x_0)^2 + (y-y_0)^2} - A)^2/C^2 -1 \f$
409	//==============================================================================
410
411	class SurfaceZTorus : public CSGSurface {
412	public:
413	explicit SurfaceZTorus(pugi::xml_node surf_node);
414	double evaluate(Position r) const override;
415	double distance(Position r, Direction u, bool coincident) const override;
416	Direction normal(Position r) const override;
417	void to_hdf5_inner(hid_t group_id) const override;
418
419	double x0_, y0_, z0_, A_, B_, C_;
420	};
421
422	//==============================================================================
423	// Non-member functions
424	//==============================================================================
425
426	void read_surfaces(pugi::xml_node node);
427
428	void free_memory_surfaces();
429
430	} // namespace openmc
431	#endif // OPENMC_SURFACE_H

openmc-dev / openmc / 4812163747

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