The method comprises the steps of: partitioning the core in cubes to constitute nodes of a grid for computer implemented calculation, splitting the cubes into a first category and a second category, each cube of the first category being adjacent only to cubes from the second category so that the first category and second category …

Legal parties

Inventors (applicants): Rene Van Geemert
Assignees (initial): Areva NP (Courbevoie, FR)
Agents: Davidson, Davidson & Kappel, LLC (attorney)

The application was examined by Jack W. Keith (USPTO dept. 3646), Frank J McGue


  • 1. A method for at least one of operating and building a nuclear reactor core …
  • 2. The method as recited in claim 1 wherein the iteration of the solving procedure …
  • 3. The method as recited in claim 1 where the iteration of the solving procedure …

International priority data

EP: 08300099 / Feb. 18, 2008 (regional)

Cited documents


  • Van Geemert US 2011/0046931 A1, Feb. 1, 2011
  • McWhirter et al. US 2011/0069801 A1 / 376/245, Mar. 1, 2011
  • WO WO2004/114321, Dec. 1, 2004
  • Nisius et al. US 2002/0163988 A1 / 376/245, Nov. 1, 2002
  • Van Geemert US 2011/0046932 A1, Feb. 1, 2011
  • FR 2833400, Jun. 1, 2003
  • Van Geemert US 2011/0046930 A1, Feb. 1, 2011
  • Van Geemert US 2011/0044422 A1, Feb. 1, 2011
  • Watkins et al. US 6795801 B1 / 703/6, Sep. 1, 2004
  • Mori et al. US 2004/0096101 A1, May. 1, 2004
  • Boer et al. US 2006/0184286 A1, Aug. 1, 2006
  • EP 2091049 A1, Aug. 1, 2009
  • Uematsu et al. US 5638413 A, Jun. 1, 1997
  • Lin et al. US 5225147 A / 376/216, Jul. 1, 1993


Brief Description of the Drawings

The invention will be better understood upon reading of the following description, which is given solely by way of example and with reference to the appended drawings, in which: FIG. …



Such a modelizing method is helpful to calculate neutron flux and/or thermohydraulics parameters within the core. The results of such a modelizing method can be used to prepare safety analysis …

Detailed Description

In the following description, the case of a pressurized water reactor (PWR) will be considered, but it should be kept in mind that the present invention applies to other types …

More details about Computer Implemented Method for Modelizing a Nuclear Reactor Core and a Corresponding Computer Program Product

Miscellaneous patent data

The assignee organization is Areva NP, located in Courbevoie (FR), the examination was conducted by Jack W. Keith (primary examiner) and Frank J McGue (assistant, 3646 USPTO department), categorized under Testing, Sensing, Measuring, or Detecting a Fission Reactor Condition as a primary classification, the application was published on Jan. 19, 2009, illustrated by 3 drawings, the application number is 12/918,154 (U.S.), the inventor's first name is Rene, and his last name is Van Geemert, particularly claims a method for at least one of operating and building a nuclear reactor…, the assignee classification - a foreign company or corporation, the patent grant was extended by 892 days, includes the following drawings: Schematic view illustrating the partitioning, Computer Implemented Method for Modelizing, Diagram illustrating the improvements in computation, graphs comparing the convergence speeds, similar patents are classified under Spacer grids, Helicoidal spacer elements, using heat-pipes, Fluidized beds, Spherically shaped segments within same container, Reprocessing of irradiated fuel, Leak detection, Optics, Rotating plug-type cover, fast movement of a solid, e.g. pebbles, the grant publication number is 08755482, developed by Rene Van Geemert, the invention is named Computer Implemented Method for Modelizing a Nuclear Reactor Core and a Corresponding Computer Program Product, the claim 1 is exemplary as chosen by the examiner, the known applicant's name is Rene Van Geemert, the published agent's organization is Davidson, Davidson & Kappel, LLC, the grant publication date is Jun. 17, 2014, claims 1-18 comprise the invention scope, 5 figures depict the invention details.

Invention classification information

The invention is classified under Monitoring, Testing, Devices or arrangements for monitoring or testing fuel or fuel elements outside the reactor core, e.g. for burn-up, for contamination, Testing, Sensing, Measuring, or Detecting a Fission Reactor Condition. The designated search classifications include Testing, Sensing, Measuring, or Detecting a Fission Reactor Condition.

Patent details
Publication number 08755482
Publication date Jun. 17, 2014
Kind code B2
Application number 12/918,154
Application date Jan. 19, 2009
Application type U
Application series code 12
Int. pub. country WO
Int. pub. number WO2009/103577
Int. publication Aug. 27, 2009
Int. filing country WO
Int. filing PCT/EP2009/050526
Filed internationally Jan. 19, 2009
National stage date Oct. 20, 2010
Extension term 892
National classification 376/245
Total number of claims 18
Exemplary claims 1
Number of drawings 3
Number of figures 5
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