GB201103521D0 - Wall distance approximation - Google Patents

Wall distance approximation

Info

Publication number
GB201103521D0
GB201103521D0 GBGB1103521.9A GB201103521A GB201103521D0 GB 201103521 D0 GB201103521 D0 GB 201103521D0 GB 201103521 A GB201103521 A GB 201103521A GB 201103521 D0 GB201103521 D0 GB 201103521D0
Authority
GB
United Kingdom
Prior art keywords
wall distance
velocity
hybrid
poisson
approximate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
GBGB1103521.9A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rolls Royce PLC filed Critical Rolls Royce PLC
Priority to GBGB1103521.9A priority Critical patent/GB201103521D0/en
Publication of GB201103521D0 publication Critical patent/GB201103521D0/en
Priority to PCT/EP2012/051777 priority patent/WO2012116872A1/en
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/20—Design optimisation, verification or simulation
    • G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2111/00—Details relating to CAD techniques
    • G06F2111/10—Numerical modelling

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Evolutionary Computation (AREA)
  • Geometry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Complex Calculations (AREA)

Abstract

A method to approximate the actual wall distance of a point in a numerical model, comprising steps to solve a Poisson equation numerically and then calculate a Poisson velocity component therefrom; define a hybrid velocity having the Poisson velocity component and a Hamilton-Jacobi velocity component; evaluate the hybrid velocity numerically using an initial assumption; and iteratively calculate an approximate wall distance by solving a Hamilton-Jacobi equation using the hybrid velocity and re-evaluate the hybrid velocity using the approximate wall distance from the previous step until the wall distance converges.
GBGB1103521.9A 2011-03-02 2011-03-02 Wall distance approximation Ceased GB201103521D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GBGB1103521.9A GB201103521D0 (en) 2011-03-02 2011-03-02 Wall distance approximation
PCT/EP2012/051777 WO2012116872A1 (en) 2011-03-02 2012-02-02 Wall distance approximation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1103521.9A GB201103521D0 (en) 2011-03-02 2011-03-02 Wall distance approximation

Publications (1)

Publication Number Publication Date
GB201103521D0 true GB201103521D0 (en) 2011-04-13

Family

ID=43904403

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB1103521.9A Ceased GB201103521D0 (en) 2011-03-02 2011-03-02 Wall distance approximation

Country Status (2)

Country Link
GB (1) GB201103521D0 (en)
WO (1) WO2012116872A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111360820B (en) * 2020-02-18 2021-01-22 哈尔滨工业大学 Distance space and image feature space fused hybrid visual servo method

Also Published As

Publication number Publication date
WO2012116872A1 (en) 2012-09-07

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)