A lattice Boltzmann method (LBM)-based fluid analysis simulation device according to an embodiment of the present invention comprises: an input unit for receiving data pertaining to an analysis target for fluid analysis simulation; a grid generation unit for generating a plurality of calculation grid systems for calculating flow data on the basis of the received data; and a flow data calculation unit for calculating the flow data pertaining to the analysis target on the basis of a flow equation in the plurality of calculation grid systems. The plurality of calculation grid systems include: a fixed grid system generated to be stationary in a space of the analysis target; and a rotating grid system having an overlapping area overlapping the fixed grid system and generated to rotate in the space of the analysis target.
G06F 30/28 - Optimisation, vérification ou simulation de l’objet conçu utilisant la dynamique des fluides, p. ex. les équations de Navier-Stokes ou la dynamique des fluides numérique [DFN]
G06F 30/25 - Optimisation, vérification ou simulation de l’objet conçu utilisant des méthodes basées sur les particules
A multi-scale fluid analysis simulation device according to an embodiment of the present invention comprises: an input unit for receiving data related to an object to be analyzed; a grid generation unit that generates, on the basis of the received data, a computational grid system for calculating flow data; and a flow data calculation unit for calculating, on the basis of a flow equation in the computational grid system, the flow data related to the object to be analyzed, wherein the flow data calculation unit includes: a macroscale analysis unit for generating point tracking information for each point of an arbitrary fluid in the computational grid system; and a microscale analysis unit for generating concentration change information for each particle in the point on the basis of the point tracking information.
G06F 30/28 - Optimisation, vérification ou simulation de l’objet conçu utilisant la dynamique des fluides, p. ex. les équations de Navier-Stokes ou la dynamique des fluides numérique [DFN]
G06F 30/25 - Optimisation, vérification ou simulation de l’objet conçu utilisant des méthodes basées sur les particules
A discrete element method-based particle analysis simulation device according to an embodiment of the present invention comprises: an input unit for receiving a fluid to be analyzed and data on a chemical reaction in the fluid; a first calculation unit configured to, based on the received data, calculate data on the generation, growth, and movement of primary particles in the fluid; and a second calculation unit configured to calculate data on the aggregation of the primary particles in the fluid to calculate data on the generation of secondary particles formed by aggregation of the primary particles.
G16C 20/70 - Apprentissage automatique, exploration de données ou chimiométrie
G16C 20/10 - Analyse ou conception des réactions, des synthèses ou des procédés chimiques
G16C 60/00 - Science informatique des matériaux, c.-à-d. TIC spécialement adaptées à la recherche des propriétés physiques ou chimiques de matériaux ou de phénomènes associés à leur conception, synthèse, traitement, caractérisation ou utilisation
4.
LBM-BASED FLUID ANALYSIS SIMULATION APPARATUS, METHOD, AND COMPUTER PROGRAM
A lattice Boltzmann method (LBM)-based fluid analysis simulation apparatus according to one embodiment of the present invention comprises: an input unit that receives data related to an analysis target including component, concentration and chemical reaction information of a fluid; a lattice generation unit that generates a calculation lattice system for calculating flow data and concentration data of the fluid on the basis of the inputted data, and an output lattice system for outputting an analysis result; a data calculation unit for calculating, on the basis of a flow equation and a convection-diffusion equation in the calculation lattice system, the flow data and the concentration data related to the analysis target; and a simulation performance unit for performing a fluid analysis simulation on the basis of the output lattice system, wherein the data calculation unit updates the concentration data on the basis of the chemical reaction information.
G06F 30/28 - Optimisation, vérification ou simulation de l’objet conçu utilisant la dynamique des fluides, p. ex. les équations de Navier-Stokes ou la dynamique des fluides numérique [DFN]
G06F 30/23 - Optimisation, vérification ou simulation de l’objet conçu utilisant les méthodes des éléments finis [MEF] ou les méthodes à différences finies [MDF]
A fluid analysis simulation device for calculating a precipitation reaction according to an embodiment of the present invention may comprise: an input unit for receiving an input of data on a fluid to be analyzed; a primary particle calculation unit configured to calculate generation, growth, movement, and agglomeration of primary particles in the fluid; and a secondary particle calculation unit configured to calculate generation of secondary particles in the fluid and calculate movement, collision, or agglomeration of the secondary particles, wherein the generation of the secondary particles is calculated on the basis of the agglomeration of the primary particles.
G06F 30/28 - Optimisation, vérification ou simulation de l’objet conçu utilisant la dynamique des fluides, p. ex. les équations de Navier-Stokes ou la dynamique des fluides numérique [DFN]
G06F 30/25 - Optimisation, vérification ou simulation de l’objet conçu utilisant des méthodes basées sur les particules
A method, for analyzing blood flow characteristics in a carotid artery, executed by a computing device according to one embodiment of the present disclosure comprises the steps of: obtaining an image of a patient's carotid artery; generating a 3D image simulating the shape of the carotid artery on the basis of the image of the carotid artery; receiving information relating to the blood flow of the patient; performing a simulation using a plurality of particles in the 3D image corresponding to the carotid artery on the basis of the received information relating to the user's blood flow; and determining the information relating to the blood flow characteristics in the carotid artery on the basis of the result of the simulation performed.
A61B 5/02 - Détection, mesure ou enregistrement en vue de l'évaluation du système cardio-vasculaire, p. ex. mesure du pouls, du rythme cardiaque, de la pression sanguine ou du débit sanguin
A61B 5/00 - Mesure servant à établir un diagnostic Identification des individus
A61B 6/00 - Appareils ou dispositifs pour le diagnostic par radiationsAppareils ou dispositifs pour le diagnostic par radiations combinés avec un équipement de thérapie par radiations
7.
METHOD AND SYSTEM FOR PROVIDING DIGITAL TWIN PLATFORM SERVICE FOR SMART CITY
The present disclosure relates to a digital twin platform service method for a smart city. The method may comprise the steps of: receiving a digital twin data model for a smart city, the digital twin data model including a plurality of classes and information about the relationship between the classes that each include a plurality of objects; receiving a request for simulating a first scenario; and simulating the first scenario on the basis of the digital twin data model.
A Lattice Boltzmann method (LBM)-based fluid analysis simulation device comprises: an input unit for receiving data on an analysis object in order to perform a fluid analysis simulation; a grid generation unit for generating a calculation grid system and an output grid system on the basis of the received data, wherein the calculation grid system is for calculating flow data, and the output grid system is for outputting an analysis result; a flow data calculation unit for calculating flow data on a plurality of particles on the basis of the calculation grid system; and a simulation execution unit for executing the fluid analysis simulation on the basis of the output grid system.
G06F 30/28 - Optimisation, vérification ou simulation de l’objet conçu utilisant la dynamique des fluides, p. ex. les équations de Navier-Stokes ou la dynamique des fluides numérique [DFN]
9.
APPARATUS, METHOD, AND COMPUTER PROGRAM FOR PERFORMING SPH-BASED FLUID ANALYSIS SIMULATION
A smoothed-particle hydrodynamics (SPH)-based fluid analysis simulation apparatus comprises: an input unit for receiving, as an input, data about a plurality of particles, for a fluid analysis simulation; a space formation unit that divides, into a plurality of cells, the space in which the plurality of particles are present, and generates cell indexes on the basis of the locations of the cells in the space where the plurality of particles are present; a particle search unit for searching for at least one neighboring particle that neighbors a target particle, on the basis of particle reference information about the plurality of particles and cell reference information about the plurality of cells; and a flow data calculation unit that calculates flow data between the target particle and the at least one neighboring particle, and performs a fluid simulation on the basis of the flow data for the plurality of particles.
G06F 30/28 - Optimisation, vérification ou simulation de l’objet conçu utilisant la dynamique des fluides, p. ex. les équations de Navier-Stokes ou la dynamique des fluides numérique [DFN]
10.
APPARATUS AND METHOD FOR SPH-BASED FLUID ANALYSIS SIMULATION
A fluid analysis simulation apparatus based on smoothed particle hydrodynamics (SPH) comprises a structure model generation unit that generates a structure model, a polyhedron generation unit that generates a polyhedron model surrounding the structure model and including a plurality of faces, a particle generation unit that generates a plurality of particles and arranges the plurality of particles inside the structure model using the structure model and the polyhedron model, and a flow data calculation unit that calculates flow data of the plurality of particles and performs a fluid analysis simulation based on the flow data.
G06F 30/28 - Optimisation, vérification ou simulation de l’objet conçu utilisant la dynamique des fluides, p. ex. les équations de Navier-Stokes ou la dynamique des fluides numérique [DFN]
G06F 17/11 - Opérations mathématiques complexes pour la résolution d'équations
11.
APPARATUS, METHOD, AND COMPUTER PROGRAM FOR SPH-BASED FLUID ANALYSIS SIMULATION
A fluid analysis simulation apparatus based on smoothed particle hydrodynamics (SPH) includes a modeling unit that generates a mesh-based structure model composed of a plurality of polygons and a plurality of particles located inside the structure model, a polygon information generation unit that generates polygon information for each of the plurality of polygons, a cell information generation unit that partitions a space where the plurality of particles and the plurality of polygons exist into a plurality of cells and generates cell information for each of the plurality of cells, and a collision determination unit that determines a possibility of collision between a particle and a polygon based on data about the plurality of particles, the polygon information and the cell information.
G06F 30/28 - Optimisation, vérification ou simulation de l’objet conçu utilisant la dynamique des fluides, p. ex. les équations de Navier-Stokes ou la dynamique des fluides numérique [DFN]
G06F 30/25 - Optimisation, vérification ou simulation de l’objet conçu utilisant des méthodes basées sur les particules
12.
APPARATUS, METHOD, AND COMPUTER PROGRAM FOR PERFORMING SPH-BASED FLUID ANALYSIS SIMULATION
A smoothed-particle hydrodynamics (SPH)-based fluid analysis simulation apparatus comprises: an input unit for receiving, as an input, data about a plurality of particles, for a fluid analysis simulation; a space formation unit that divides, into a plurality of cells, the space in which the plurality of particles are present, and generates cell indexes on the basis of the locations of the cells in the space where the plurality of particles are present; a particle search unit for searching for at least one neighboring particle that neighbors a target particle, on the basis of particle reference information about the plurality of particles and cell reference information about the plurality of cells; and a flow data calculation unit that calculates flow data between the target particle and the at least one neighboring particle, and performs a fluid simulation on the basis of the flow data for the plurality of particles.
G06F 30/28 - Optimisation, vérification ou simulation de l’objet conçu utilisant la dynamique des fluides, p. ex. les équations de Navier-Stokes ou la dynamique des fluides numérique [DFN]
13.
PARTICLES-BASED FLUID ANALYSIS SIMULATION METHOD USING DUMMY PARTICLES, AND FLUID ANALYSIS SIMULATION DEVICE
A particle-based fluid analysis simulation method, which uses dummy particles and is performed in a fluid analysis simulation device, comprises the steps of: modeling a simulation area, including a plurality of particles, for a fluid; generating at least one dummy particle required for fluid analysis simulation of the simulation area, and arranging the at least one dummy particle outside the simulation area; calculating flow data of the plurality of particles by using the at least one dummy particle arranged on the outside; and performing the fluid analysis simulation of the simulation area on the basis of the calculation result, wherein the number of the at least one dummy particle is varied while the fluid analysis simulation is being performed.
A fluid analysis simulation apparatus based on smoothed particle hydrodynamics (SPH) includes an input unit that receives data about a plurality of particles for fluid analysis simulation, a measurement space setting unit that sets a measurement space where a water level is to be measured in a space where the plurality of particles exists, a sampling space generation unit that divides the measurement space into a plurality of sampling spaces formed in a height direction of the measurement space, and a water level measurement unit that measures a water level in the measurement space based on a height of a particle included in each sampling space.
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Design of software relating to 3D technology; research in
the field of 3D computer software; computer graphics design
services; consultation services relating to computer
software; computer software development; design of computer
software; computer software research; maintenance of
computer software; design and development of computer
systems; creating of computer programs.
09 - Appareils et instruments scientifiques et électriques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Virtual reality software; computer software platforms for
simulating vascular diseases, recorded or downloadable;
recorded computer programs for simulating vascular diseases;
downloadable cloud computer software for vascular disease
simulation; simulation software for use in digital
computers; gesture recognition software; computer software
for biometric systems for the identification and
authentication of persons; computer software for two or
three-dimensional simulation for use in design and
development of industrial products; bioinformatics software;
downloadable computer software for remote monitoring and
analysis; medical simulators [teaching aids]; computer
software for electronic charts, for medical purposes;
computer software for diagnosing diseases for medical
purposes; computer software for wireless electronic
transmission of vascular disease data; data processing
software for vascular disease simulation; data processing
program for vascular disease simulation; computer software
related to vascular disease simulation database; data
processing apparatus for vascular disease simulation;
computer software for vascular disease simulation;
electronic media featuring programs for vascular disease
simulation. Software design relating to 3D technology; research of 3D
computer software; development of programs for simulating
experiments or series of experiments in a virtual optical
laboratory; creating programmes for data processing; image
processing software design; computer programming in the
medical field; electronic storage of medical records;
engineering project management services relating to imaging
medical data; development of computer software for use with
medical equipment; providing computer software technical
support services in the field of medical diagnostics;
writing of computer program for medical applications;
software creation for vascular disease simulation; updating
and maintenance of computer software for vascular disease
simulation; development of computer software for vascular
disease simulation; design of computer software for vascular
disease simulation; design and development of computer
software relating to vascular disease simulation;
maintenance of computer software for vascular disease
simulation; computer software programming services for
vascular disease simulation; creating of computer programs
for vascular disease simulation; cloud computing services
for vascular disease simulation.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Software; simulation software for use in digital computers;
computer software for two or three-dimensional simulation
for use in design and development of industrial products.
09 - Appareils et instruments scientifiques et électriques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Virtual reality software; computer software platforms for
simulating vascular diseases, recorded or downloadable;
recorded computer programs for simulating vascular diseases;
downloadable cloud computer software for vascular disease
simulation; simulation software for use in digital
computers; gesture recognition software; computer software
for biometric systems for the identification and
authentication of persons; computer software for two or
three-dimensional simulation for use in design and
development of industrial products; bioinformatics software;
downloadable computer software for remote monitoring and
analysis; medical simulators [teaching aids]; computer
software for electronic charts, for medical purposes;
computer software for diagnosing diseases for medical
purposes; computer software for wireless electronic
transmission of vascular disease data; data processing
software for vascular disease simulation; data processing
program for vascular disease simulation; computer software
related to vascular disease simulation database; data
processing apparatus for vascular disease simulation;
computer software for vascular disease simulation;
electronic media featuring programs for vascular disease
simulation. Software design relating to 3D technology; research of 3D
computer software; development of programs for simulating
experiments or series of experiments in a virtual optical
laboratory; creating programmes for data processing; image
processing software design; computer programming in the
medical field; electronic storage of medical records;
engineering project management services relating to imaging
medical data; development of computer software for use with
medical equipment; providing computer software technical
support services in the field of medical diagnostics;
writing of computer program for medical applications;
software creation for vascular disease simulation; updating
and maintenance of computer software for vascular disease
simulation; development of computer software for vascular
disease simulation; design of computer software for vascular
disease simulation; design and development of computer
software relating to vascular disease simulation;
maintenance of computer software for vascular disease
simulation; computer software programming services for
vascular disease simulation; creating of computer programs
for vascular disease simulation; cloud computing services
for vascular disease simulation.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Downloadable software for physics simulation; Downloadable computer simulation software for use in digital computers for predicting physical phenomena; Downloadable computer software for two or three-dimensional simulation for use in design and development of industrial products
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Design of software relating to 3D technology; research in the field of 3D computer software; computer graphics design services; consultation services relating to computer software; computer software development; design of computer software; computer software research; maintenance of computer software; design and development of computer systems; creating of computer programs
09 - Appareils et instruments scientifiques et électriques
Produits et services
Computer software to enable searching of data; simulation
software for use in digital computers; computer software for
two or three-dimensional simulation for use in design and
development of industrial products; computer software for
controlling and managing access server applications;
augmented reality software; computer operating software.
09 - Appareils et instruments scientifiques et électriques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Downloadable virtual reality software for vascular disease simulation for tracking and simulating blood flow to aid clinical decision support systems; computer software platforms for simulating vascular diseases, recorded or downloadable; recorded computer programs for simulating vascular diseases; downloadable cloud computer software for vascular disease simulation; downloadable simulation software for use in digital computers; downloadable gesture recognition software; downloadable computer software for biometric systems for the identification and authentication of persons; downloadable computer software for two or three-dimensional simulation for use in design and development of industrial products; downloadable bioinformatics software; downloadable computer software for remote monitoring and analysis; medical simulators for use as teaching aids for vascular disease endoscopy, laparoscopy, angioplasty; downloadable computer software for electronic charts, for medical purposes; downloadable computer software for diagnosing diseases for medical purposes; downloadable computer software for wireless electronic transmission of vascular disease data; downloadable data processing software for vascular disease simulation; downloadable data processing program for vascular disease simulation; downloadable computer software related to vascular disease simulation database; data processing apparatus for vascular disease simulation; downloadable computer software for vascular disease simulation Software design relating to 3D technology; research of 3D computer software; development of programs for simulating experiments or series of experiments in a virtual optical laboratory; creating computer programmes for data processing; image processing software design; computer programming in the medical field; electronic storage of medical records; engineering project management services relating to imaging medical data; development of computer software for use with medical equipment; providing computer software technical support services in the field of medical diagnostics; writing of computer program for medical applications; software creation for vascular disease simulation; updating and maintenance of computer software for vascular disease simulation; development of computer software for vascular disease simulation; design of computer software for vascular disease simulation; design and development of computer software relating to vascular disease simulation; maintenance of computer software for vascular disease simulation; computer software programming services for vascular disease simulation; creating of computer programs for vascular disease simulation; cloud computing services for vascular disease simulation
09 - Appareils et instruments scientifiques et électriques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Downloadable virtual reality software for vascular disease simulation for tracking and simulating blood flow to aid clinical decision support systems; computer software platforms for simulating vascular diseases, recorded or downloadable; recorded computer programs for simulating vascular diseases; downloadable cloud computer software for vascular disease simulation; downloadable simulation software for use in digital computers; downloadable gesture recognition software; downloadable computer software for biometric systems for the identification and authentication of persons; downloadable computer software for two or three-dimensional simulation for use in design and development of industrial products; downloadable bioinformatics software; downloadable computer software for remote monitoring and analysis; medical simulators for use as teaching aids for vascular disease endoscopy, laparoscopy, angioplasty; downloadable computer software for electronic charts, for medical purposes; downloadable computer software for diagnosing diseases for medical purposes; downloadable computer software for wireless electronic transmission of vascular disease data; downloadable data processing software for vascular disease simulation; downloadable data processing program for vascular disease simulation; downloadable computer software related to vascular disease simulation database; data processing apparatus for vascular disease simulation; downloadable computer software for vascular disease simulation Software design relating to 3D technology; research of 3D computer software; development of programs for simulating experiments or series of experiments in a virtual optical laboratory; creating computer programmes for data processing; image processing software design; computer programming in the medical field; electronic storage of medical records; engineering project management services relating to imaging medical data; development of computer software for use with medical equipment; providing computer software technical support services in the field of medical diagnostics; writing of computer program for medical applications; software creation for vascular disease simulation; updating and maintenance of computer software for vascular disease simulation; development of computer software for vascular disease simulation; design of computer software for vascular disease simulation; design and development of computer software relating to vascular disease simulation; maintenance of computer software for vascular disease simulation; computer software programming services for vascular disease simulation; creating of computer programs for vascular disease simulation; cloud computing services for vascular disease simulation
09 - Appareils et instruments scientifiques et électriques
Produits et services
Downloadable computer software to enable searching of data; downloadable computer simulation software for use in digital computers for modeling digital twin from natural disasters, and traffic pattern digital twins in the nature of smart cities, building architecture digital twins, and medical emergency digital twins; downloadable computer software for two or three-dimensional simulation for use in design and development of industrial products; downloadable computer software for controlling and managing access server applications; downloadable augmented reality software for efficient planning, designing and smart decision making as well as integrated monitoring system and real-time monitoring in the field of traffic pattern digital twins in the nature of smart cities, building architecture digital twins, plant architecture digital twins, medical emergency digital twins, and manufacturing facility digital twins; downloadable computer operating software
25.
LBM-BASED BLOOD CIRCULATION SIMULATION DEVICE, METHOD, AND COMPUTER PROGRAM
A lattice Boltzmann method (LBM)-based blood circulation simulation device comprises: an input unit which receives blood vessel image data and physiological information; a grid conversion unit which generates blood vessel grid data on the basis of the blood vessel image data; a derivation unit which derives a limit condition of blood circulation and a blood viscosity equation on the basis of the physiological information; and a simulation unit which performs an LBM-based blood circulation simulation on the basis of the blood vessel grid data, the limit condition of blood circulation, and the blood viscosity equation.
G16H 50/50 - TIC spécialement adaptées au diagnostic médical, à la simulation médicale ou à l’extraction de données médicalesTIC spécialement adaptées à la détection, au suivi ou à la modélisation d’épidémies ou de pandémies pour la simulation ou la modélisation des troubles médicaux
G16H 50/20 - TIC spécialement adaptées au diagnostic médical, à la simulation médicale ou à l’extraction de données médicalesTIC spécialement adaptées à la détection, au suivi ou à la modélisation d’épidémies ou de pandémies pour le diagnostic assisté par ordinateur, p. ex. basé sur des systèmes experts médicaux
G16H 30/20 - TIC spécialement adaptées au maniement ou au traitement d’images médicales pour le maniement d’images médicales, p. ex. DICOM, HL7 ou PACS
G16H 30/40 - TIC spécialement adaptées au maniement ou au traitement d’images médicales pour le traitement d’images médicales, p. ex. l’édition
G16H 10/60 - TIC spécialement adaptées au maniement ou au traitement des données médicales ou de soins de santé relatives aux patients pour des données spécifiques de patients, p. ex. pour des dossiers électroniques de patients
Disclosed are a method for diagnosing a vascular disease and an apparatus therefor. A vascular disease diagnosing method according to an exemplary embodiment of the present disclosure includes: an information acquiring step of acquiring patient information for a diagnosis subject; an FFR processing step of applying a geometric feature parameter information generated based on the patient information to a first learning model to calculate fractional flow reserve (FFR) information; a CFD processing step of applying the geometric feature parameter information to computational fluid dynamics (CFD) to calculate flow feature information; and a diagnosing step of determining a vascular disease based on the fractional flow reserve information and the flow feature information and determine whether to perform a surgery on the vascular disease.
A61B 5/02 - Détection, mesure ou enregistrement en vue de l'évaluation du système cardio-vasculaire, p. ex. mesure du pouls, du rythme cardiaque, de la pression sanguine ou du débit sanguin
A61B 34/10 - Planification, simulation ou modélisation assistées par ordinateur d’opérations chirurgicales
G16H 70/60 - TIC spécialement adaptées au maniement ou au traitement de références médicales concernant des pathologies
G16H 50/50 - TIC spécialement adaptées au diagnostic médical, à la simulation médicale ou à l’extraction de données médicalesTIC spécialement adaptées à la détection, au suivi ou à la modélisation d’épidémies ou de pandémies pour la simulation ou la modélisation des troubles médicaux
G16H 50/30 - TIC spécialement adaptées au diagnostic médical, à la simulation médicale ou à l’extraction de données médicalesTIC spécialement adaptées à la détection, au suivi ou à la modélisation d’épidémies ou de pandémies pour le calcul des indices de santéTIC spécialement adaptées au diagnostic médical, à la simulation médicale ou à l’extraction de données médicalesTIC spécialement adaptées à la détection, au suivi ou à la modélisation d’épidémies ou de pandémies pour l’évaluation des risques pour la santé d’une personne
G16H 50/70 - TIC spécialement adaptées au diagnostic médical, à la simulation médicale ou à l’extraction de données médicalesTIC spécialement adaptées à la détection, au suivi ou à la modélisation d’épidémies ou de pandémies pour extraire des données médicales, p. ex. pour analyser les cas antérieurs d’autres patients
G16H 50/20 - TIC spécialement adaptées au diagnostic médical, à la simulation médicale ou à l’extraction de données médicalesTIC spécialement adaptées à la détection, au suivi ou à la modélisation d’épidémies ou de pandémies pour le diagnostic assisté par ordinateur, p. ex. basé sur des systèmes experts médicaux
A61B 5/00 - Mesure servant à établir un diagnostic Identification des individus
G16H 10/60 - TIC spécialement adaptées au maniement ou au traitement des données médicales ou de soins de santé relatives aux patients pour des données spécifiques de patients, p. ex. pour des dossiers électroniques de patients
A61B 5/107 - Mesure de dimensions corporelles, p. ex. la taille du corps entier ou de parties de celui-ci
G06F 21/32 - Authentification de l’utilisateur par données biométriques, p. ex. empreintes digitales, balayages de l’iris ou empreintes vocales
A61B 6/00 - Appareils ou dispositifs pour le diagnostic par radiationsAppareils ou dispositifs pour le diagnostic par radiations combinés avec un équipement de thérapie par radiations
27.
SPH-BASED SIMULATION DEVICE AND SIMULATION METHOD FOR FLUID ANALYSIS
A smoothed-particle hydrodynamics (SPH)-based simulation device for fluid analysis comprises: a structure generation unit that generates a structural model; a polyhedron generation unit that generates a polyhedral model that surrounds the structural model and has a plurality of faces; a particle generation unit that generates a plurality of particles and arranges the plurality of particles inside the structural model using the structural model and the polyhedral model; and a flow data calculation unit that calculates flow data of the plurality of particles and performs a simulation for fluid analysis on the basis of the flow data.
A smoothed-particle hydrodynamics (SPH)-based fluid analysis simulation device comprises: an input part for receiving an input of data on multiple particles in order to perform fluid analysis simulation; a measurement space configuration part for configuring a measurement space, in which a water level is to be measured, among spaces in which the multiple particles exist; a sampling space generation part for dividing the measurement space into multiple sampling spaces formed in the height direction of the measurement space; and a water-level measurement part for measuring the water level in the measurement space on the basis of the heights of particles included in each of the sampling spaces.
A smoothed-particle hydrodynamics (SPH)-based fluid analysis simulation apparatus comprises: an input unit for receiving, as an input, data about a plurality of particles, for a fluid analysis simulation; a space formation unit that divides, into a plurality of cells, the space in which the plurality of particles are present, and generates cell indexes on the basis of the locations of the cells in the space where the plurality of particles are present; a particle search unit for searching for at least one neighboring particle that neighbors a target particle, on the basis of particle reference information about the plurality of particles and cell reference information about the plurality of cells; and a flow data calculation unit that calculates flow data between the target particle and the at least one neighboring particle, and performs a fluid simulation on the basis of the flow data for the plurality of particles.
A Lattice Boltzmann method (LBM)-based fluid analysis simulation device comprises: an input unit for receiving data on an analysis object in order to perform a fluid analysis simulation; a grid generation unit for generating a calculation grid system and an output grid system on the basis of the received data, wherein the calculation grid system is for calculating flow data, and the output grid system is for outputting an analysis result; a flow data calculation unit for calculating flow data on a plurality of particles on the basis of the calculation grid system; and a simulation execution unit for executing the fluid analysis simulation on the basis of the output grid system.
A particle-based fluid analysis simulation method, which uses dummy particles and is performed in a fluid analysis simulation device, comprises the steps of: modeling a simulation area, including a plurality of particles, for a fluid; generating at least one dummy particle required for fluid analysis simulation of the simulation area, and arranging the at least one dummy particle outside the simulation area; calculating flow data of the plurality of particles by using the at least one dummy particle arranged on the outside; and performing the fluid analysis simulation of the simulation area on the basis of the calculation result, wherein the number of the at least one dummy particle is varied while the fluid analysis simulation is being performed.
An apparatus for smoothed particle hydrodynamics (SPH)-based fluid analysis simulation comprises: a modeling unit for generating a mesh-based structure model composed of a plurality of polygons, and a plurality of particles located in the structure model; a polygon information generation unit for generating polygon information about each of the plurality of polygons; a cell information generation unit for dividing, into a plurality of cells, the space in which the plurality of particles and the plurality of polygons exist, and generating cell information about each of the plurality of cells; and a collision determination unit for determining the possibility of a collision between the particles and the polygons on the basis of data related to the plurality of particles, the polygon information, and the cell information.
A smoothed particle hydrodynamics (SPH)-based fluid analysis simulation apparatus using a plurality of processors comprises a first processor and a second processor, wherein the first processor partitions, into a plurality of cells, a first space allocated to the first processor, generates first cell reference information on the basis of information about the plurality of cells partitioned from the first space, and generates first particle reference information on the basis of information about particles included in the first space, the second processor partitions, into a plurality of cells, a second space allocated to the second processor, generates second cell reference information on the basis of information about the plurality of cells partitioned from the second space, and generates second particle reference information on the basis of information about particles included in the second space, and the first processor and the second processor exchange a plurality of particles with each other on the basis of the first cell reference information, the first particle reference information, the second cell reference information, and the second particle reference information, calculate flow data between the exchanged plurality of particles, and perform a fluid simulation on the basis of the flow data.
The present disclosure provides a particle-based fluid simulation method using multiple processors which is performed in a fluid simulation apparatus, including modeling a simulation region including multiple particles for a fluid, dividing the simulation region into multiple sub-regions, allocating each of the multiple processors to each of the multiple sub-regions, calculating, by each of the multiple processors, flow data of multiple particles for a sub-region corresponding to each of the multiple processors, and performing a fluid simulation based on the result of the calculation. The calculating, by each of the multiple processors, flow data of multiple particles for a sub-region corresponding to each of the multiple processors includes exchanging, by each of the multiple processors, the flow data of the multiple particles with at least one adjacent processor.
