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1. WO2019204452 - SYSTEMS AND METHODS FOR CHARACTERIZING POROELASTIC MATERIALS

Publication Number WO/2019/204452
Publication Date 24.10.2019
International Application No. PCT/US2019/027886
International Filing Date 17.04.2019
IPC
G01N 3/30 2006.01
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
3Investigating strength properties of solid materials by application of mechanical stress
30by applying a single impulsive force
G01N 3/42 2006.01
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
3Investigating strength properties of solid materials by application of mechanical stress
40Investigating hardness or rebound hardness
42by performing impressions under a steady load by indentors, e.g. sphere, pyramid
CPC
G01N 3/02
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
3Investigating strength properties of solid materials by application of mechanical stress
02Details
G01N 3/42
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
3Investigating strength properties of solid materials by application of mechanical stress
40Investigating hardness or rebound hardness
42by performing impressions under a steady load by indentors, e.g. sphere, pyramid
Applicants
  • GEORGIA TECH RESEARCH CORPORATION [US]/[US]
Inventors
  • HUANG, Haiying
  • LIU, Ming
Agents
  • WEEKS, Dustin B.
  • SCHNEIDER, Ryan A.
Priority Data
62/658,84017.04.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEMS AND METHODS FOR CHARACTERIZING POROELASTIC MATERIALS
(FR) SYSTÈMES ET PROCÉDÉS DE CARACTÉRISATION DE MATÉRIAUX POROÉLASTIQUES
Abstract
(EN)
Disclosed herein are systems and methods for characterizing poroelastic materials. Indentation of a poroelastic solid by a spherical-tip tool is analyzed within the framework of Biot's theory. The present disclosure provides the response of the indentation force as well as the field variables as functions of time when the rigid indenter is loaded instantaneously to a fixed depth. Some embodiments of the present disclosure consider the particular case when the surface of the semi-infinite domain is permeable and under a drained condition. Compressibility of both the fluid and solid phases is taken into account. The solution procedure based on the McNamee-Gibson displacement function method is adopted.
(FR)
L'invention concerne des systèmes et des procédés de caractérisation de matériaux poroélastiques. L'indentation d'un solide porogène par un outil à pointe sphérique est analysée dans le cadre de la théorie de Biot. La présente invention fournit la réponse de la force d'indentation ainsi que les variables de champ en tant que fonctions temporelles lorsque le pénétrateur rigide est chargé instantanément à une profondeur fixe. Certains modes de réalisation de la présente invention prennent en considération le cas particulier de la surface du domaine semi-infini perméable et dans une condition drainée. La compressibilité du fluide et de phases solides est prise en compte. La procédure de solution fondée sur le procédé de fonction de déplacement McNamee-Gibson est adoptée.
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